Imported Upstream version 3.10.3

diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index dc05659..bcd9621 100644 (file)
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -253,6 +253,14 @@ For convenience, some of these functions will always return a
    .. versionadded:: 3.3
 
 
+.. c:function:: PyObject* PyErr_SetImportErrorSubclass(PyObject *exception, PyObject *msg, PyObject *name, PyObject *path)
+
+   Much like :c:func:`PyErr_SetImportError` but this function allows for
+   specifying a subclass of :exc:`ImportError` to raise.
+
+   .. versionadded:: 3.6
+
+
 .. c:function:: void PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
 
    Set file, line, and offset information for the current exception.  If the
@@ -320,13 +328,6 @@ an error value).
    :mod:`warnings` module and the :option:`-W` option in the command line
    documentation.  There is no C API for warning control.
 
-.. c:function:: PyObject* PyErr_SetImportErrorSubclass(PyObject *exception, PyObject *msg, PyObject *name, PyObject *path)
-
-   Much like :c:func:`PyErr_SetImportError` but this function allows for
-   specifying a subclass of :exc:`ImportError` to raise.
-
-   .. versionadded:: 3.6
-
 
 .. c:function:: int PyErr_WarnExplicitObject(PyObject *category, PyObject *message, PyObject *filename, int lineno, PyObject *module, PyObject *registry)
 

diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index c037f19..b8b4151 100644 (file)
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -634,7 +634,7 @@ PyConfig
 
    .. c:member:: int dump_refs
 
-      Dump Python refererences?
+      Dump Python references?
 
       If non-zero, dump all objects which are still alive at exit.
 

diff --git a/Doc/c-api/object.rst b/Doc/c-api/object.rst
index 17e3707..41a3aff 100644 (file)
--- a/Doc/c-api/object.rst
+++ b/Doc/c-api/object.rst
@@ -81,8 +81,9 @@ Object Protocol
    return ``0`` on success.  This is the equivalent of the Python statement
    ``o.attr_name = v``.
 
-   If *v* is ``NULL``, the attribute is deleted, however this feature is
-   deprecated in favour of using :c:func:`PyObject_DelAttr`.
+   If *v* is ``NULL``, the attribute is deleted. This behaviour is deprecated
+   in favour of using :c:func:`PyObject_DelAttr`, but there are currently no
+   plans to remove it.
 
 
 .. c:function:: int PyObject_SetAttrString(PyObject *o, const char *attr_name, PyObject *v)

diff --git a/Doc/c-api/reflection.rst b/Doc/c-api/reflection.rst
index 64ce4d1..fe7741a 100644 (file)
--- a/Doc/c-api/reflection.rst
+++ b/Doc/c-api/reflection.rst
@@ -31,7 +31,7 @@ Reflection
    See also :c:func:`PyThreadState_GetFrame`.
 
 
-.. c:function:: int PyFrame_GetBack(PyFrameObject *frame)
+.. c:function:: PyFrameObject* PyFrame_GetBack(PyFrameObject *frame)
 
    Get the *frame* next outer frame.
 
@@ -42,7 +42,7 @@ Reflection
    .. versionadded:: 3.9
 
 
-.. c:function:: int PyFrame_GetCode(PyFrameObject *frame)
+.. c:function:: PyCodeObject* PyFrame_GetCode(PyFrameObject *frame)
 
    Get the *frame* code.
 

diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index e491c26..9349220 100644 (file)
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -476,7 +476,7 @@ PyObject Slots
 --------------
 
 The type object structure extends the :c:type:`PyVarObject` structure. The
-:attr:`ob_size` field is used for dynamic types (created by  :func:`type_new`,
+:attr:`ob_size` field is used for dynamic types (created by :func:`type_new`,
 usually called from a class statement). Note that :c:data:`PyType_Type` (the
 metatype) initializes :c:member:`~PyTypeObject.tp_itemsize`, which means that its instances (i.e.
 type objects) *must* have the :attr:`ob_size` field.
@@ -1232,7 +1232,7 @@ and :c:type:`PyType_Type` effectively act as defaults.)
       .. note::
 
          :const:`Py_TPFLAGS_MAPPING` and :const:`Py_TPFLAGS_SEQUENCE` are
-         mutually exclusive; it is an error enable both flags simultaneously.
+         mutually exclusive; it is an error to enable both flags simultaneously.
 
       **Inheritance:**
 
@@ -1254,7 +1254,7 @@ and :c:type:`PyType_Type` effectively act as defaults.)
       .. note::
 
          :const:`Py_TPFLAGS_MAPPING` and :const:`Py_TPFLAGS_SEQUENCE` are
-         mutually exclusive; it is an error enable both flags simultaneously.
+         mutually exclusive; it is an error to enable both flags simultaneously.
 
       **Inheritance:**
 
@@ -1999,6 +1999,17 @@ and :c:type:`PyType_Type` effectively act as defaults.)
    For this field to be taken into account (even through inheritance),
    you must also set the :const:`Py_TPFLAGS_HAVE_FINALIZE` flags bit.
 
+   Also, note that, in a garbage collected Python,
+   :c:member:`~PyTypeObject.tp_dealloc` may be called from
+   any Python thread, not just the thread which created the object (if the object
+   becomes part of a refcount cycle, that cycle might be collected by a garbage
+   collection on any thread).  This is not a problem for Python API calls, since
+   the thread on which tp_dealloc is called will own the Global Interpreter Lock
+   (GIL). However, if the object being destroyed in turn destroys objects from some
+   other C or C++ library, care should be taken to ensure that destroying those
+   objects on the thread which called tp_dealloc will not violate any assumptions
+   of the library.
+
    **Inheritance:**
 
    This field is inherited by subtypes.
@@ -2023,17 +2034,6 @@ and :c:type:`PyType_Type` effectively act as defaults.)
    .. versionadded:: 3.9 (the field exists since 3.8 but it's only used since 3.9)
 
 
-Also, note that, in a garbage collected Python, :c:member:`~PyTypeObject.tp_dealloc` may be called from
-any Python thread, not just the thread which created the object (if the object
-becomes part of a refcount cycle, that cycle might be collected by a garbage
-collection on any thread).  This is not a problem for Python API calls, since
-the thread on which tp_dealloc is called will own the Global Interpreter Lock
-(GIL). However, if the object being destroyed in turn destroys objects from some
-other C or C++ library, care should be taken to ensure that destroying those
-objects on the thread which called tp_dealloc will not violate any assumptions
-of the library.
-
-
 .. _static-types:
 
 Static Types
@@ -2439,7 +2439,8 @@ Async Object Structures
 
       PyObject *am_aiter(PyObject *self);
 
-   Must return an :term:`awaitable` object.  See :meth:`__anext__` for details.
+   Must return an :term:`asynchronous iterator` object.
+   See :meth:`__anext__` for details.
 
    This slot may be set to ``NULL`` if an object does not implement
    asynchronous iteration protocol.

diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 343eaf1..a08cebc 100644 (file)
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -1008,7 +1008,7 @@ Error handling is set by errors which may also be set to ``NULL`` meaning to use
 the default handling defined for the codec.  Default error handling for all
 built-in codecs is "strict" (:exc:`ValueError` is raised).
 
-The codecs all use a similar interface.  Only deviation from the following
+The codecs all use a similar interface.  Only deviations from the following
 generic ones are documented for simplicity.
 
 
@@ -1225,7 +1225,7 @@ These are the UTF-16 codec APIs:
    ``1``, any byte order mark is copied to the output (where it will result in
    either a ``\ufeff`` or a ``\ufffe`` character).
 
-   After completion, *\*byteorder* is set to the current byte order at the end
+   After completion, ``*byteorder`` is set to the current byte order at the end
    of input data.
 
    If *byteorder* is ``NULL``, the codec starts in native order mode.
@@ -1443,7 +1443,7 @@ Character Map Codecs
 
 This codec is special in that it can be used to implement many different codecs
 (and this is in fact what was done to obtain most of the standard codecs
-included in the :mod:`encodings` package). The codec uses mapping to encode and
+included in the :mod:`encodings` package). The codec uses mappings to encode and
 decode characters.  The mapping objects provided must support the
 :meth:`__getitem__` mapping interface; dictionaries and sequences work well.
 
@@ -1605,7 +1605,7 @@ They all return ``NULL`` or ``-1`` if an exception occurs.
 .. c:function:: PyObject* PyUnicode_Splitlines(PyObject *s, int keepend)
 
    Split a Unicode string at line breaks, returning a list of Unicode strings.
-   CRLF is considered to be one line break.  If *keepend* is ``0``, the Line break
+   CRLF is considered to be one line break.  If *keepend* is ``0``, the line break
    characters are not included in the resulting strings.
 
 

diff --git a/Doc/c-api/veryhigh.rst b/Doc/c-api/veryhigh.rst
index 3354a2b..5b8735d 100644 (file)
--- a/Doc/c-api/veryhigh.rst
+++ b/Doc/c-api/veryhigh.rst
@@ -75,6 +75,8 @@ the same library that the Python runtime is using.
    :c:func:`PyRun_SimpleFile`.  *filename* is decoded from the filesystem
    encoding (:func:`sys.getfilesystemencoding`).  If *filename* is ``NULL``, this
    function uses ``"???"`` as the filename.
+   If *closeit* is true, the file is closed before
+   ``PyRun_SimpleFileExFlags()`` returns.
 
 
 .. c:function:: int PyRun_SimpleString(const char *command)

diff --git a/Doc/faq/design.rst b/Doc/faq/design.rst
index 0437b59..ff83a1b 100644 (file)
--- a/Doc/faq/design.rst
+++ b/Doc/faq/design.rst
@@ -266,12 +266,9 @@ For cases where you need to choose from a very large number of possibilities,
 you can create a dictionary mapping case values to functions to call.  For
 example::
 
-   def function_1(...):
-       ...
-
    functions = {'a': function_1,
                 'b': function_2,
-                'c': self.method_1, ...}
+                'c': self.method_1}
 
    func = functions[value]
    func()
@@ -279,14 +276,14 @@ example::
 For calling methods on objects, you can simplify yet further by using the
 :func:`getattr` built-in to retrieve methods with a particular name::
 
-   def visit_a(self, ...):
-       ...
-   ...
+   class MyVisitor:
+       def visit_a(self):
+           ...
 
-   def dispatch(self, value):
-       method_name = 'visit_' + str(value)
-       method = getattr(self, method_name)
-       method()
+       def dispatch(self, value):
+           method_name = 'visit_' + str(value)
+           method = getattr(self, method_name)
+           method()
 
 It's suggested that you use a prefix for the method names, such as ``visit_`` in
 this example.  Without such a prefix, if values are coming from an untrusted

diff --git a/Doc/faq/extending.rst b/Doc/faq/extending.rst
index 3379e41..1d2aca6 100644 (file)
--- a/Doc/faq/extending.rst
+++ b/Doc/faq/extending.rst
@@ -254,7 +254,6 @@ For Red Hat, install the python-devel RPM to get the necessary files.
 
 For Debian, run ``apt-get install python-dev``.
 
-
 How do I tell "incomplete input" from "invalid input"?
 ------------------------------------------------------
 
@@ -273,130 +272,6 @@ you. You can also set the :c:func:`PyOS_ReadlineFunctionPointer` to point at you
 custom input function. See ``Modules/readline.c`` and ``Parser/myreadline.c``
 for more hints.
 
-However sometimes you have to run the embedded Python interpreter in the same
-thread as your rest application and you can't allow the
-:c:func:`PyRun_InteractiveLoop` to stop while waiting for user input.
-A solution is trying to compile the received string with
-:c:func:`Py_CompileString`. If it compiles without errors, try to execute the
-returned code object by calling :c:func:`PyEval_EvalCode`. Otherwise save the
-input for later. If the compilation fails, find out if it's an error or just
-more input is required - by extracting the message string from the exception
-tuple and comparing it to the string "unexpected EOF while parsing".  Here is a
-complete example using the GNU readline library (you may want to ignore
-**SIGINT** while calling readline())::
-
-   #include <stdio.h>
-   #include <readline.h>
-
-   #define PY_SSIZE_T_CLEAN
-   #include <Python.h>
-   #include <object.h>
-   #include <compile.h>
-   #include <eval.h>
-
-   int main (int argc, char* argv[])
-   {
-     int i, j, done = 0;                          /* lengths of line, code */
-     char ps1[] = ">>> ";
-     char ps2[] = "... ";
-     char *prompt = ps1;
-     char *msg, *line, *code = NULL;
-     PyObject *src, *glb, *loc;
-     PyObject *exc, *val, *trb, *obj, *dum;
-
-     Py_Initialize ();
-     loc = PyDict_New ();
-     glb = PyDict_New ();
-     PyDict_SetItemString (glb, "__builtins__", PyEval_GetBuiltins ());
-
-     while (!done)
-     {
-       line = readline (prompt);
-
-       if (NULL == line)                          /* Ctrl-D pressed */
-       {
-         done = 1;
-       }
-       else
-       {
-         i = strlen (line);
-
-         if (i > 0)
-           add_history (line);                    /* save non-empty lines */
-
-         if (NULL == code)                        /* nothing in code yet */
-           j = 0;
-         else
-           j = strlen (code);
-
-         code = realloc (code, i + j + 2);
-         if (NULL == code)                        /* out of memory */
-           exit (1);
-
-         if (0 == j)                              /* code was empty, so */
-           code[0] = '\0';                        /* keep strncat happy */
-
-         strncat (code, line, i);                 /* append line to code */
-         code[i + j] = '\n';                      /* append '\n' to code */
-         code[i + j + 1] = '\0';
-
-         src = Py_CompileString (code, "<stdin>", Py_single_input);
-
-         if (NULL != src)                         /* compiled just fine - */
-         {
-           if (ps1  == prompt ||                  /* ">>> " or */
-               '\n' == code[i + j - 1])           /* "... " and double '\n' */
-           {                                               /* so execute it */
-             dum = PyEval_EvalCode (src, glb, loc);
-             Py_XDECREF (dum);
-             Py_XDECREF (src);
-             free (code);
-             code = NULL;
-             if (PyErr_Occurred ())
-               PyErr_Print ();
-             prompt = ps1;
-           }
-         }                                        /* syntax error or E_EOF? */
-         else if (PyErr_ExceptionMatches (PyExc_SyntaxError))
-         {
-           PyErr_Fetch (&exc, &val, &trb);        /* clears exception! */
-
-           if (PyArg_ParseTuple (val, "sO", &msg, &obj) &&
-               !strcmp (msg, "unexpected EOF while parsing")) /* E_EOF */
-           {
-             Py_XDECREF (exc);
-             Py_XDECREF (val);
-             Py_XDECREF (trb);
-             prompt = ps2;
-           }
-           else                                   /* some other syntax error */
-           {
-             PyErr_Restore (exc, val, trb);
-             PyErr_Print ();
-             free (code);
-             code = NULL;
-             prompt = ps1;
-           }
-         }
-         else                                     /* some non-syntax error */
-         {
-           PyErr_Print ();
-           free (code);
-           code = NULL;
-           prompt = ps1;
-         }
-
-         free (line);
-       }
-     }
-
-     Py_XDECREF(glb);
-     Py_XDECREF(loc);
-     Py_Finalize();
-     exit(0);
-   }
-
-
 How do I find undefined g++ symbols __builtin_new or __pure_virtual?
 --------------------------------------------------------------------
 

diff --git a/Doc/faq/programming.rst b/Doc/faq/programming.rst
index 154563a..a1adf85 100644 (file)
--- a/Doc/faq/programming.rst
+++ b/Doc/faq/programming.rst
@@ -1819,7 +1819,7 @@ for ``None``.  This reads like plain English in code and avoids confusion with
 other objects that may have boolean values that evaluate to false.
 
 2) Detecting optional arguments can be tricky when ``None`` is a valid input
-value.  In those situations, you can create an singleton sentinel object
+value.  In those situations, you can create a singleton sentinel object
 guaranteed to be distinct from other objects.  For example, here is how
 to implement a method that behaves like :meth:`dict.pop`::
 
@@ -1908,7 +1908,7 @@ The *cached_property* approach only works with methods that do not take
 any arguments.  It does not create a reference to the instance.  The
 cached method result will be kept only as long as the instance is alive.
 
-The advantage is that when an instance is not longer used, the cached
+The advantage is that when an instance is no longer used, the cached
 method result will be released right away.  The disadvantage is that if
 instances accumulate, so too will the accumulated method results.  They
 can grow without bound.

diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index 1bbd05a..ddf085b 100644 (file)
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -292,12 +292,12 @@ Glossary
       The decorator syntax is merely syntactic sugar, the following two
       function definitions are semantically equivalent::
 
-         def f(...):
+         def f(arg):
              ...
          f = staticmethod(f)
 
          @staticmethod
-         def f(...):
+         def f(arg):
              ...
 
       The same concept exists for classes, but is less commonly used there.  See

diff --git a/Doc/howto/descriptor.rst b/Doc/howto/descriptor.rst
index 6ce062d..f2e2f7e 100644 (file)
--- a/Doc/howto/descriptor.rst
+++ b/Doc/howto/descriptor.rst
@@ -696,10 +696,14 @@ a pure Python equivalent:
     >>> b.g == b['g'] == ('getattr_hook', b, 'g')
     True
 
+Note, there is no :meth:`__getattr__` hook in the :meth:`__getattribute__`
+code.  That is why calling :meth:`__getattribute__` directly or with
+``super().__getattribute__`` will bypass :meth:`__getattr__` entirely.
 
-Interestingly, attribute lookup doesn't call :meth:`object.__getattribute__`
-directly.  Instead, both the dot operator and the :func:`getattr` function
-perform attribute lookup by way of a helper function:
+Instead, it is the dot operator and the :func:`getattr` function that are
+responsible for invoking :meth:`__getattr__` whenever :meth:`__getattribute__`
+raises an :exc:`AttributeError`.  Their logic is encapsulated in a helper
+function:
 
 .. testcode::
 
@@ -744,12 +748,6 @@ perform attribute lookup by way of a helper function:
         ...
     AttributeError: 'ClassWithoutGetAttr' object has no attribute 'z'
 
-So if :meth:`__getattr__` exists, it is called whenever :meth:`__getattribute__`
-raises :exc:`AttributeError` (either directly or in one of the descriptor calls).
-
-Also, if a user calls :meth:`object.__getattribute__` directly, the
-:meth:`__getattr__` hook is bypassed entirely.
-
 
 Invocation from a class
 -----------------------
@@ -1544,7 +1542,7 @@ variables:
         'Simulate how the type metaclass adds member objects for slots'
 
         def __new__(mcls, clsname, bases, mapping):
-            'Emuluate type_new() in Objects/typeobject.c'
+            'Emulate type_new() in Objects/typeobject.c'
             # type_new() calls PyTypeReady() which calls add_methods()
             slot_names = mapping.get('slot_names', [])
             for offset, name in enumerate(slot_names):

diff --git a/Doc/howto/logging_flow.png b/Doc/howto/logging_flow.png
index fac4acd..d65e597 100644 (file)
Binary files a/Doc/howto/logging_flow.png and b/Doc/howto/logging_flow.png differ

diff --git a/Doc/library/__main__.rst b/Doc/library/__main__.rst
index c5f36a7..d0a65e7 100644 (file)
--- a/Doc/library/__main__.rst
+++ b/Doc/library/__main__.rst
@@ -253,7 +253,7 @@ attribute will include the package's path if imported::
 
 This won't work for ``__main__.py`` files in the root directory of a .zip file
 though.  Hence, for consistency, minimal ``__main__.py`` like the :mod:`venv`
-one mentioned above are preferred.
+one mentioned below are preferred.
 
 .. seealso::
 

diff --git a/Doc/library/abc.rst b/Doc/library/abc.rst
index 1a6ed47..3b74622 100644 (file)
--- a/Doc/library/abc.rst
+++ b/Doc/library/abc.rst
@@ -186,15 +186,15 @@ The :mod:`abc` module also provides the following decorator:
 
       class C(ABC):
           @abstractmethod
-          def my_abstract_method(self, ...):
+          def my_abstract_method(self, arg1):
               ...
           @classmethod
           @abstractmethod
-          def my_abstract_classmethod(cls, ...):
+          def my_abstract_classmethod(cls, arg2):
               ...
           @staticmethod
           @abstractmethod
-          def my_abstract_staticmethod(...):
+          def my_abstract_staticmethod(arg3):
               ...
 
           @property
@@ -255,7 +255,7 @@ The :mod:`abc` module also supports the following legacy decorators:
       class C(ABC):
           @classmethod
           @abstractmethod
-          def my_abstract_classmethod(cls, ...):
+          def my_abstract_classmethod(cls, arg):
               ...
 
 
@@ -276,7 +276,7 @@ The :mod:`abc` module also supports the following legacy decorators:
       class C(ABC):
           @staticmethod
           @abstractmethod
-          def my_abstract_staticmethod(...):
+          def my_abstract_staticmethod(arg):
               ...
 
 

diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst
index b1700c9..300092d 100644 (file)
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -343,7 +343,7 @@ Creating Futures and Tasks
    the name of the task using :meth:`Task.set_name`.
 
    .. versionchanged:: 3.8
-      Added the ``name`` parameter.
+      Added the *name* parameter.
 
 .. method:: loop.set_task_factory(factory)
 
@@ -456,7 +456,20 @@ Opening network connections
      to wait for the TLS handshake to complete before aborting the connection.
      ``60.0`` seconds if ``None`` (default).
 
-   .. versionadded:: 3.8
+   .. versionchanged:: 3.5
+
+      Added support for SSL/TLS in :class:`ProactorEventLoop`.
+
+   .. versionchanged:: 3.6
+
+      The socket option :py:data:`~socket.TCP_NODELAY` is set by default
+      for all TCP connections.
+
+   .. versionchanged:: 3.7
+
+      Added the *ssl_handshake_timeout* parameter.
+
+   .. versionchanged:: 3.8
 
       Added the *happy_eyeballs_delay* and *interleave* parameters.
 
@@ -471,19 +484,6 @@ Opening network connections
 
       For more information: https://tools.ietf.org/html/rfc6555
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* parameter.
-
-   .. versionchanged:: 3.6
-
-      The socket option :py:data:`~socket.TCP_NODELAY` is set by default
-      for all TCP connections.
-
-   .. versionchanged:: 3.5
-
-      Added support for SSL/TLS in :class:`ProactorEventLoop`.
-
    .. seealso::
 
       The :func:`open_connection` function is a high-level alternative
@@ -588,12 +588,8 @@ Opening network connections
 
    .. availability:: Unix.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* parameter.
-
    .. versionchanged:: 3.7
-
+      Added the *ssl_handshake_timeout* parameter.
       The *path* parameter can now be a :term:`path-like object`.
 
 
@@ -672,15 +668,6 @@ Creating network servers
      :meth:`Server.serve_forever` to make the server to start accepting
      connections.
 
-   .. versionadded:: 3.7
-
-      Added *ssl_handshake_timeout* and *start_serving* parameters.
-
-   .. versionchanged:: 3.6
-
-      The socket option :py:data:`~socket.TCP_NODELAY` is set by default
-      for all TCP connections.
-
    .. versionchanged:: 3.5
 
       Added support for SSL/TLS in :class:`ProactorEventLoop`.
@@ -689,6 +676,12 @@ Creating network servers
 
       The *host* parameter can be a sequence of strings.
 
+   .. versionchanged:: 3.6
+
+      Added *ssl_handshake_timeout* and *start_serving* parameters.
+      The socket option :py:data:`~socket.TCP_NODELAY` is set by default
+      for all TCP connections.
+
    .. seealso::
 
       The :func:`start_server` function is a higher-level alternative API
@@ -713,12 +706,9 @@ Creating network servers
 
    .. availability:: Unix.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* and *start_serving* parameters.
-
    .. versionchanged:: 3.7
 
+      Added the *ssl_handshake_timeout* and *start_serving* parameters.
       The *path* parameter can now be a :class:`~pathlib.Path` object.
 
 .. coroutinemethod:: loop.connect_accepted_socket(protocol_factory, \
@@ -746,11 +736,11 @@ Creating network servers
 
    Returns a ``(transport, protocol)`` pair.
 
-   .. versionadded:: 3.7
+   .. versionadded:: 3.5.3
 
-      The *ssl_handshake_timeout* parameter.
+   .. versionchanged:: 3.7
 
-   .. versionadded:: 3.5.3
+      Added the *ssl_handshake_timeout* parameter.
 
 
 Transferring files

diff --git a/Doc/library/asyncio-future.rst b/Doc/library/asyncio-future.rst
index 3496387..7426e82 100644 (file)
--- a/Doc/library/asyncio-future.rst
+++ b/Doc/library/asyncio-future.rst
@@ -194,7 +194,7 @@ Future Object
       schedule the callbacks, and return ``True``.
 
       .. versionchanged:: 3.9
-         Added the ``msg`` parameter.
+         Added the *msg* parameter.
 
    .. method:: exception()
 

diff --git a/Doc/library/asyncio-queue.rst b/Doc/library/asyncio-queue.rst
index e6f26bb..d86fbc2 100644 (file)
--- a/Doc/library/asyncio-queue.rst
+++ b/Doc/library/asyncio-queue.rst
@@ -36,6 +36,9 @@ Queue
    the queue is always known and can be returned by calling the
    :meth:`qsize` method.
 
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
+
 
    This class is :ref:`not thread safe <asyncio-multithreading>`.
 
@@ -105,13 +108,6 @@ Queue
       Raises :exc:`ValueError` if called more times than there were
       items placed in the queue.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
-
 
 Priority Queue
 ==============

diff --git a/Doc/library/asyncio-stream.rst b/Doc/library/asyncio-stream.rst
index 95a8e46..3558277 100644 (file)
--- a/Doc/library/asyncio-stream.rst
+++ b/Doc/library/asyncio-stream.rst
@@ -51,7 +51,8 @@ and work with streams:
 .. coroutinefunction:: open_connection(host=None, port=None, *, \
                           limit=None, ssl=None, family=0, proto=0, \
                           flags=0, sock=None, local_addr=None, \
-                          server_hostname=None, ssl_handshake_timeout=None)
+                          server_hostname=None, ssl_handshake_timeout=None, \
+                          happy_eyeballs_delay=None, interleave=None)
 
    Establish a network connection and return a pair of
    ``(reader, writer)`` objects.
@@ -66,16 +67,14 @@ and work with streams:
    The rest of the arguments are passed directly to
    :meth:`loop.create_connection`.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* parameter.
+   .. versionchanged:: 3.7
+      Added the *ssl_handshake_timeout* parameter.
 
-   .. deprecated-removed:: 3.8 3.10
+   .. versionadded:: 3.8
+      Added *happy_eyeballs_delay* and *interleave* parameters.
 
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 .. coroutinefunction:: start_server(client_connected_cb, host=None, \
@@ -104,16 +103,11 @@ and work with streams:
    The rest of the arguments are passed directly to
    :meth:`loop.create_server`.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* and *start_serving* parameters.
-
-   .. deprecated-removed:: 3.8 3.10
+   .. versionchanged:: 3.7
+      Added the *ssl_handshake_timeout* and *start_serving* parameters.
 
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 .. rubric:: Unix Sockets
@@ -131,20 +125,12 @@ and work with streams:
 
    .. availability:: Unix.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* parameter.
-
    .. versionchanged:: 3.7
-
+      Added the *ssl_handshake_timeout* parameter.
       The *path* parameter can now be a :term:`path-like object`
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 .. coroutinefunction:: start_unix_server(client_connected_cb, path=None, \
@@ -159,20 +145,12 @@ and work with streams:
 
    .. availability:: Unix.
 
-   .. versionadded:: 3.7
-
-      The *ssl_handshake_timeout* and *start_serving* parameters.
-
    .. versionchanged:: 3.7
-
+      Added the *ssl_handshake_timeout* and *start_serving* parameters.
       The *path* parameter can now be a :term:`path-like object`.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 StreamReader

diff --git a/Doc/library/asyncio-subprocess.rst b/Doc/library/asyncio-subprocess.rst
index fd1f9c9..748b704 100644 (file)
--- a/Doc/library/asyncio-subprocess.rst
+++ b/Doc/library/asyncio-subprocess.rst
@@ -75,12 +75,8 @@ Creating Subprocesses
    See the documentation of :meth:`loop.subprocess_exec` for other
    parameters.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 .. coroutinefunction:: create_subprocess_shell(cmd, stdin=None, \
@@ -106,12 +102,8 @@ Creating Subprocesses
       escape whitespace and special shell characters in strings that are going
       to be used to construct shell commands.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 .. note::
 

diff --git a/Doc/library/asyncio-sync.rst b/Doc/library/asyncio-sync.rst
index 88e523a..f4063db 100644 (file)
--- a/Doc/library/asyncio-sync.rst
+++ b/Doc/library/asyncio-sync.rst
@@ -63,11 +63,8 @@ Lock
        finally:
            lock.release()
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This class has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. coroutinemethod:: acquire()
 
@@ -111,11 +108,8 @@ Event
    :meth:`clear` method.  The :meth:`~Event.wait` method blocks until the
    flag is set to *true*.  The flag is set to *false* initially.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This class has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. _asyncio_example_sync_event:
 
@@ -189,11 +183,8 @@ Condition
    ``None``.  In the latter case a new Lock object is created
    automatically.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This class has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    The preferred way to use a Condition is an :keyword:`async with`
    statement::
@@ -291,11 +282,8 @@ Semaphore
    internal counter (``1`` by default). If the given value is
    less than ``0`` a :exc:`ValueError` is raised.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This class has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    The preferred way to use a Semaphore is an :keyword:`async with`
    statement::
@@ -349,12 +337,8 @@ BoundedSemaphore
    a :exc:`ValueError` in :meth:`~Semaphore.release` if it
    increases the internal counter above the initial *value*.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This class has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 ---------
 

diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index 1175b05..efd4d1b 100644 (file)
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -282,7 +282,7 @@ Creating Tasks
    .. versionadded:: 3.7
 
    .. versionchanged:: 3.8
-      Added the ``name`` parameter.
+      Added the *name* parameter.
 
 
 Sleeping
@@ -328,12 +328,8 @@ Sleeping
     asyncio.run(display_date())
 
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 Running Tasks Concurrently
@@ -368,11 +364,8 @@ Running Tasks Concurrently
    cancellation of one submitted Task/Future to cause other
    Tasks/Futures to be cancelled.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. _asyncio_example_gather:
 
@@ -425,11 +418,8 @@ Running Tasks Concurrently
       If the *gather* itself is cancelled, the cancellation is
       propagated regardless of *return_exceptions*.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. deprecated:: 3.10
       Deprecation warning is emitted if no positional arguments are provided
@@ -473,11 +463,8 @@ Shielding From Cancellation
        except CancelledError:
            res = None
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. deprecated:: 3.10
       Deprecation warning is emitted if *aw* is not Future-like object
@@ -510,11 +497,8 @@ Timeouts
 
    If the wait is cancelled, the future *aw* is also cancelled.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. _asyncio_example_waitfor:
 
@@ -543,11 +527,8 @@ Timeouts
       for *aw* to be cancelled.  Previously, it raised
       :exc:`asyncio.TimeoutError` immediately.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
 
 Waiting Primitives
@@ -605,11 +586,8 @@ Waiting Primitives
       ``wait()`` directly is deprecated as it leads to
       :ref:`confusing behavior <asyncio_example_wait_coroutine>`.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. _asyncio_example_wait_coroutine:
    .. note::
@@ -638,18 +616,14 @@ Waiting Primitives
           if task in done:
               # Everything will work as expected now.
 
-   .. deprecated-removed:: 3.8 3.10
-
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
-
    .. deprecated-removed:: 3.8 3.11
 
       Passing coroutine objects to ``wait()`` directly is
       deprecated.
 
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
+
 
 .. function:: as_completed(aws, *, timeout=None)
 
@@ -661,11 +635,8 @@ Waiting Primitives
    Raises :exc:`asyncio.TimeoutError` if the timeout occurs before
    all Futures are done.
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    Example::
 
@@ -673,11 +644,8 @@ Waiting Primitives
            earliest_result = await coro
            # ...
 
-   .. deprecated-removed:: 3.8 3.10
-      The ``loop`` parameter.  This function has been implicitly getting the
-      current running loop since 3.7.  See
-      :ref:`What's New in 3.10's Removed section <whatsnew310-removed>`
-      for more information.
+   .. versionchanged:: 3.10
+      Removed the *loop* parameter.
 
    .. deprecated:: 3.10
       Deprecation warning is emitted if not all awaitable objects in the *aws*
@@ -860,10 +828,7 @@ Task Object
       Added support for the :mod:`contextvars` module.
 
    .. versionchanged:: 3.8
-      Added the ``name`` parameter.
-
-   .. deprecated-removed:: 3.8 3.10
-      The *loop* parameter.
+      Added the *name* parameter.
 
    .. deprecated:: 3.10
       Deprecation warning is emitted if *loop* is not specified
@@ -885,7 +850,7 @@ Task Object
       discouraged.
 
       .. versionchanged:: 3.9
-         Added the ``msg`` parameter.
+         Added the *msg* parameter.
 
       .. _asyncio_example_task_cancel:
 
@@ -1057,7 +1022,7 @@ Generator-based Coroutines
 .. note::
 
    Support for generator-based coroutines is **deprecated** and
-   is scheduled for removal in Python 3.10.
+   is removed in Python 3.11.
 
 Generator-based coroutines predate async/await syntax.  They are
 Python generators that use ``yield from`` expressions to await

diff --git a/Doc/library/bisect.rst b/Doc/library/bisect.rst
index f34ee17..edcd4ae 100644 (file)
--- a/Doc/library/bisect.rst
+++ b/Doc/library/bisect.rst
@@ -43,7 +43,7 @@ The following functions are provided:
 
 
 .. function:: bisect_right(a, x, lo=0, hi=len(a), *, key=None)
-              bisect(a, x, lo=0, hi=len(a))
+              bisect(a, x, lo=0, hi=len(a), *, key=None)
 
    Similar to :func:`bisect_left`, but returns an insertion point which comes
    after (to the right of) any existing entries of *x* in *a*.
@@ -80,7 +80,7 @@ The following functions are provided:
 
 
 .. function:: insort_right(a, x, lo=0, hi=len(a), *, key=None)
-              insort(a, x, lo=0, hi=len(a))
+              insort(a, x, lo=0, hi=len(a), *, key=None)
 
    Similar to :func:`insort_left`, but inserting *x* in *a* after any existing
    entries of *x*.

diff --git a/Doc/library/calendar.rst b/Doc/library/calendar.rst
index c3c04db..f641760 100644 (file)
--- a/Doc/library/calendar.rst
+++ b/Doc/library/calendar.rst
@@ -31,7 +31,7 @@ interpreted as prescribed by the ISO 8601 standard.  Year 0 is 1 BC, year -1 is
 .. class:: Calendar(firstweekday=0)
 
    Creates a :class:`Calendar` object. *firstweekday* is an integer specifying the
-   first day of the week. ``0`` is Monday (the default), ``6`` is Sunday.
+   first day of the week. :const:`MONDAY` is ``0`` (the default), :const:`SUNDAY` is ``6``.
 
    A :class:`Calendar` object provides several methods that can be used for
    preparing the calendar data for formatting. This class doesn't do any formatting
@@ -409,6 +409,15 @@ The :mod:`calendar` module exports the following data attributes:
    locale.  This follows normal convention of January being month number 1, so it
    has a length of 13 and  ``month_abbr[0]`` is the empty string.
 
+.. data:: MONDAY
+          TUESDAY
+          WEDNESDAY
+          THURSDAY
+          FRIDAY
+          SATURDAY
+          SUNDAY
+
+   Aliases for day numbers, where ``MONDAY`` is ``0`` and ``SUNDAY`` is ``6``.
 
 .. seealso::
 

diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index ef71832..1a1ce92 100644 (file)
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -694,8 +694,9 @@ compatible with the Python codec registry.
 
    .. method:: writelines(list)
 
-      Writes the concatenated list of strings to the stream (possibly by reusing
-      the :meth:`write` method). The standard bytes-to-bytes codecs
+      Writes the concatenated iterable of strings to the stream (possibly by reusing
+      the :meth:`write` method). Infinite or
+      very large iterables are not supported. The standard bytes-to-bytes codecs
       do not support this method.
 
 

diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index b8a717d..67b64dd 100644 (file)
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -271,12 +271,12 @@ For example::
     .. versionadded:: 3.1
 
     .. versionchanged:: 3.7 As a :class:`dict` subclass, :class:`Counter`
-       Inherited the capability to remember insertion order.  Math operations
+       inherited the capability to remember insertion order.  Math operations
        on *Counter* objects also preserve order.  Results are ordered
        according to when an element is first encountered in the left operand
        and then by the order encountered in the right operand.
 
-    Counter objects support three methods beyond those available for all
+    Counter objects support additional methods beyond those available for all
     dictionaries:
 
     .. method:: elements()
@@ -366,19 +366,26 @@ Several mathematical operations are provided for combining :class:`Counter`
 objects to produce multisets (counters that have counts greater than zero).
 Addition and subtraction combine counters by adding or subtracting the counts
 of corresponding elements.  Intersection and union return the minimum and
-maximum of corresponding counts.  Each operation can accept inputs with signed
+maximum of corresponding counts.  Equality and inclusion compare
+corresponding counts.  Each operation can accept inputs with signed
 counts, but the output will exclude results with counts of zero or less.
 
+.. doctest::
+
     >>> c = Counter(a=3, b=1)
     >>> d = Counter(a=1, b=2)
     >>> c + d                       # add two counters together:  c[x] + d[x]
     Counter({'a': 4, 'b': 3})
     >>> c - d                       # subtract (keeping only positive counts)
     Counter({'a': 2})
-    >>> c & d                       # intersection:  min(c[x], d[x]) # doctest: +SKIP
+    >>> c & d                       # intersection:  min(c[x], d[x])
     Counter({'a': 1, 'b': 1})
     >>> c | d                       # union:  max(c[x], d[x])
     Counter({'a': 3, 'b': 2})
+    >>> c == d                      # equality:  c[x] == d[x]
+    False
+    >>> c <= d                      # inclusion:  c[x] <= d[x]
+    False
 
 Unary addition and subtraction are shortcuts for adding an empty counter
 or subtracting from an empty counter.
@@ -1085,18 +1092,35 @@ Some differences from :class:`dict` still remain:
   Space efficiency, iteration speed, and the performance of update
   operations were secondary.
 
-* Algorithmically, :class:`OrderedDict` can handle frequent reordering
-  operations better than :class:`dict`.  This makes it suitable for tracking
-  recent accesses (for example in an `LRU cache
-  <https://medium.com/@krishankantsinghal/my-first-blog-on-medium-583159139237>`_).
+* The :class:`OrderedDict` algorithm can handle frequent reordering operations
+  better than :class:`dict`.  As shown in the recipes below, this makes it
+  suitable for implementing various kinds of LRU caches.
 
 * The equality operation for :class:`OrderedDict` checks for matching order.
 
+  A regular :class:`dict` can emulate the order sensitive equality test with
+  ``p == q and all(k1 == k2 for k1, k2 in zip(p, q))``.
+
 * The :meth:`popitem` method of :class:`OrderedDict` has a different
   signature.  It accepts an optional argument to specify which item is popped.
 
-* :class:`OrderedDict` has a :meth:`move_to_end` method to
-  efficiently reposition an element to an endpoint.
+  A regular :class:`dict` can emulate OrderedDict's ``od.popitem(last=True)``
+  with ``d.popitem()`` which is guaranteed to pop the rightmost (last) item.
+
+  A regular :class:`dict` can emulate OrderedDict's ``od.popitem(last=False)``
+  with ``(k := next(iter(d)), d.pop(k))`` which will return and remove the
+  leftmost (first) item if it exists.
+
+* :class:`OrderedDict` has a :meth:`move_to_end` method to efficiently
+  reposition an element to an endpoint.
+
+  A regular :class:`dict` can emulate OrderedDict's ``od.move_to_end(k,
+  last=True)`` with ``d[k] = d.pop(k)`` which will move the key and its
+  associated value to the rightmost (last) position.
+
+  A regular :class:`dict` does not have an efficient equivalent for
+  OrderedDict's ``od.move_to_end(k, last=False)`` which moves the key
+  and its associated value to the leftmost (first) position.
 
 * Until Python 3.8, :class:`dict` lacked a :meth:`__reversed__` method.
 

diff --git a/Doc/library/configparser.rst b/Doc/library/configparser.rst
index 1ebda53..323dd2a 100644 (file)
--- a/Doc/library/configparser.rst
+++ b/Doc/library/configparser.rst
@@ -267,6 +267,9 @@ out.  Values can also span multiple lines, as long as they are indented deeper
 than the first line of the value.  Depending on the parser's mode, blank lines
 may be treated as parts of multiline values or ignored.
 
+By default,  a valid section name can be any string that does not contain '\\n' or ']'.
+To change this, see :attr:`ConfigParser.SECTCRE`.
+
 Configuration files may include comments, prefixed by specific
 characters (``#`` and ``;`` by default [1]_).  Comments may appear on
 their own on an otherwise empty line, possibly indented. [1]_

diff --git a/Doc/library/copyreg.rst b/Doc/library/copyreg.rst
index 4392021..dc35965 100644 (file)
--- a/Doc/library/copyreg.rst
+++ b/Doc/library/copyreg.rst
@@ -33,8 +33,8 @@ Such constructors may be factory functions or class instances.
 
    The optional *constructor* parameter, if provided, is a callable object which
    can be used to reconstruct the object when called with the tuple of arguments
-   returned by *function* at pickling time.  :exc:`TypeError` will be raised if
-   *object* is a class or *constructor* is not callable.
+   returned by *function* at pickling time.  A :exc:`TypeError` is raised if the
+   *constructor* is not callable.
 
    See the :mod:`pickle` module for more details on the interface
    expected of *function* and *constructor*.  Note that the

diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
index 6a9863c..1fe5bda 100644 (file)
--- a/Doc/library/dataclasses.rst
+++ b/Doc/library/dataclasses.rst
@@ -475,6 +475,8 @@ Module contents
    In a single dataclass, it is an error to specify more than one
    field whose type is :const:`KW_ONLY`.
 
+   .. versionadded:: 3.10
+
 .. exception:: FrozenInstanceError
 
    Raised when an implicitly defined :meth:`__setattr__` or

diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 217cdf2..f447b7b 100644 (file)
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -2375,7 +2375,7 @@ requires, and these work on all platforms with a standard C implementation.
 +-----------+--------------------------------+------------------------+-------+
 | ``%U``    | Week number of the year        | 00, 01, ..., 53        | \(7), |
 |           | (Sunday as the first day of    |                        | \(9)  |
-|           | the week) as a zero padded     |                        |       |
+|           | the week) as a zero-padded     |                        |       |
 |           | decimal number. All days in a  |                        |       |
 |           | new year preceding the first   |                        |       |
 |           | Sunday are considered to be in |                        |       |
@@ -2383,10 +2383,10 @@ requires, and these work on all platforms with a standard C implementation.
 +-----------+--------------------------------+------------------------+-------+
 | ``%W``    | Week number of the year        | 00, 01, ..., 53        | \(7), |
 |           | (Monday as the first day of    |                        | \(9)  |
-|           | the week) as a decimal number. |                        |       |
-|           | All days in a new year         |                        |       |
-|           | preceding the first Monday     |                        |       |
-|           | are considered to be in        |                        |       |
+|           | the week) as a zero-padded     |                        |       |
+|           | decimal number. All days in a  |                        |       |
+|           | new year preceding the first   |                        |       |
+|           | Monday are considered to be in |                        |       |
 |           | week 0.                        |                        |       |
 +-----------+--------------------------------+------------------------+-------+
 | ``%c``    | Locale's appropriate date and  || Tue Aug 16 21:30:00   | \(1)  |

diff --git a/Doc/library/exceptions.rst b/Doc/library/exceptions.rst
index f8a692e..2f97bb8 100644 (file)
--- a/Doc/library/exceptions.rst
+++ b/Doc/library/exceptions.rst
@@ -38,15 +38,14 @@ information on defining exceptions is available in the Python Tutorial under
 Exception context
 -----------------
 
-When raising (or re-raising) an exception in an :keyword:`except` or
-:keyword:`finally` clause
-:attr:`__context__` is automatically set to the last exception caught; if the
-new exception is not handled the traceback that is eventually displayed will
-include the originating exception(s) and the final exception.
-
-When raising a new exception (rather than using a bare ``raise`` to re-raise
-the exception currently being handled), the implicit exception context can be
-supplemented with an explicit cause by using :keyword:`from<raise>` with
+When raising a new exception while another exception
+is already being handled, the new exception's
+:attr:`__context__` attribute is automatically set to the handled
+exception.  An exception may be handled when an :keyword:`except` or
+:keyword:`finally` clause, or a :keyword:`with` statement, is used.
+
+This implicit exception context can be
+supplemented with an explicit cause by using :keyword:`!from` with
 :keyword:`raise`::
 
    raise new_exc from original_exc

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 9a9c87e..9523136 100644 (file)
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -248,7 +248,7 @@ are always available.  They are listed here in alphabetical order.
 
       class C:
           @classmethod
-          def f(cls, arg1, arg2, ...): ...
+          def f(cls, arg1, arg2): ...
 
    The ``@classmethod`` form is a function :term:`decorator` -- see
    :ref:`function` for details.

diff --git a/Doc/library/hashlib-blake2-tree.png b/Doc/library/hashlib-blake2-tree.png
index 73e8494..faef21b 100644 (file)
Binary files a/Doc/library/hashlib-blake2-tree.png and b/Doc/library/hashlib-blake2-tree.png differ

diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst
index 53320d9..aa24131 100644 (file)
--- a/Doc/library/hashlib.rst
+++ b/Doc/library/hashlib.rst
@@ -249,16 +249,19 @@ include a `salt <https://en.wikipedia.org/wiki/Salt_%28cryptography%29>`_.
    a proper source, e.g. :func:`os.urandom`.
 
    The number of *iterations* should be chosen based on the hash algorithm and
-   computing power. As of 2013, at least 100,000 iterations of SHA-256 are
-   suggested.
+   computing power. As of 2022, hundreds of thousands of iterations of SHA-256
+   are suggested. For rationale as to why and how to choose what is best for
+   your application, read *Appendix A.2.2* of NIST-SP-800-132_. The answers
+   on the `stackexchange pbkdf2 iterations question`_ explain in detail.
 
    *dklen* is the length of the derived key. If *dklen* is ``None`` then the
    digest size of the hash algorithm *hash_name* is used, e.g. 64 for SHA-512.
 
-   >>> import hashlib
-   >>> dk = hashlib.pbkdf2_hmac('sha256', b'password', b'salt', 100000)
+   >>> from hashlib import pbkdf2_hmac
+   >>> our_app_iters = 500_000  # Application specific, read above.
+   >>> dk = pbkdf2_hmac('sha256', b'password', b'bad salt'*2, our_app_iters)
    >>> dk.hex()
-   '0394a2ede332c9a13eb82e9b24631604c31df978b4e2f0fbd2c549944f9d79a5'
+   '15530bba69924174860db778f2c6f8104d3aaf9d26241840c8c4a641c8d000a9'
 
    .. versionadded:: 3.4
 
@@ -731,7 +734,8 @@ Domain Dedication 1.0 Universal:
 .. _SHA-3: https://en.wikipedia.org/wiki/NIST_hash_function_competition
 .. _ChaCha: https://cr.yp.to/chacha.html
 .. _pyblake2: https://pythonhosted.org/pyblake2/
-
+.. _NIST-SP-800-132: https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
+.. _stackexchange pbkdf2 iterations question: https://security.stackexchange.com/questions/3959/recommended-of-iterations-when-using-pbkdf2-sha256/
 
 
 .. seealso::
@@ -754,3 +758,6 @@ Domain Dedication 1.0 Universal:
 
    https://www.ietf.org/rfc/rfc8018.txt
       PKCS #5: Password-Based Cryptography Specification Version 2.1
+
+   https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
+      NIST Recommendation for Password-Based Key Derivation.

diff --git a/Doc/library/html.parser.rst b/Doc/library/html.parser.rst
index ac844a6..03aff25 100644 (file)
--- a/Doc/library/html.parser.rst
+++ b/Doc/library/html.parser.rst
@@ -126,7 +126,7 @@ implementations do nothing (except for :meth:`~HTMLParser.handle_startendtag`):
 
 .. method:: HTMLParser.handle_starttag(tag, attrs)
 
-   This method is called to handle the start of a tag (e.g. ``<div id="main">``).
+   This method is called to handle the start tag of an element (e.g. ``<div id="main">``).
 
    The *tag* argument is the name of the tag converted to lower case. The *attrs*
    argument is a list of ``(name, value)`` pairs containing the attributes found

diff --git a/Doc/library/http.server.rst b/Doc/library/http.server.rst
index c3cee07..0de0283 100644 (file)
--- a/Doc/library/http.server.rst
+++ b/Doc/library/http.server.rst
@@ -412,17 +412,22 @@ the current directory::
 .. _http-server-cli:
 
 :mod:`http.server` can also be invoked directly using the :option:`-m`
-switch of the interpreter with a ``port number`` argument.  Similar to
+switch of the interpreter.  Similar to
 the previous example, this serves files relative to the current directory::
 
-        python -m http.server 8000
+        python -m http.server
 
-By default, server binds itself to all interfaces.  The option ``-b/--bind``
+The server listens to port 8000 by default. The default can be overridden
+by passing the desired port number as an argument::
+
+        python -m http.server 9000
+
+By default, the server binds itself to all interfaces.  The option ``-b/--bind``
 specifies a specific address to which it should bind. Both IPv4 and IPv6
 addresses are supported. For example, the following command causes the server
 to bind to localhost only::
 
-        python -m http.server 8000 --bind 127.0.0.1
+        python -m http.server --bind 127.0.0.1
 
 .. versionadded:: 3.4
     ``--bind`` argument was introduced.
@@ -430,14 +435,14 @@ to bind to localhost only::
 .. versionadded:: 3.8
     ``--bind`` argument enhanced to support IPv6
 
-By default, server uses the current directory. The option ``-d/--directory``
+By default, the server uses the current directory. The option ``-d/--directory``
 specifies a directory to which it should serve the files. For example,
 the following command uses a specific directory::
 
         python -m http.server --directory /tmp/
 
 .. versionadded:: 3.7
-    ``--directory`` specify alternate directory
+    ``--directory`` argument was introduced.
 
 .. class:: CGIHTTPRequestHandler(request, client_address, server)
 
@@ -482,4 +487,4 @@ the following command uses a specific directory::
 :class:`CGIHTTPRequestHandler` can be enabled in the command line by passing
 the ``--cgi`` option::
 
-        python -m http.server --cgi 8000
+        python -m http.server --cgi

diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst
index d740973..d602104 100644 (file)
--- a/Doc/library/idle.rst
+++ b/Doc/library/idle.rst
@@ -96,11 +96,13 @@ Save Copy As...
 Print Window
    Print the current window to the default printer.
 
-Close
-   Close the current window (ask to save if unsaved).
+Close Window
+   Close the current window (if an unsaved editor, ask to save; if an unsaved
+   Shell, ask to quit execution).  Calling ``exit()`` or ``close()`` in the Shell
+   window also closes Shell.  If this is the only window, also exit IDLE.
 
-Exit
-   Close all windows and quit IDLE (ask to save unsaved windows).
+Exit IDLE
+   Close all windows and quit IDLE (ask to save unsaved edit windows).
 
 Edit menu (Shell and Editor)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

diff --git a/Doc/library/importlib.metadata.rst b/Doc/library/importlib.metadata.rst
index 99bcfeb..a6caa99 100644 (file)
--- a/Doc/library/importlib.metadata.rst
+++ b/Doc/library/importlib.metadata.rst
@@ -264,6 +264,7 @@ Python packages or modules::
 
 .. versionadded:: 3.10
 
+.. _distributions:
 
 Distributions
 =============
@@ -335,6 +336,3 @@ a custom finder, return instances of this derived ``Distribution`` in the
 .. _`entry point API`: https://setuptools.readthedocs.io/en/latest/pkg_resources.html#entry-points
 .. _`metadata API`: https://setuptools.readthedocs.io/en/latest/pkg_resources.html#metadata-api
 .. _`importlib_resources`: https://importlib-resources.readthedocs.io/en/latest/index.html
-
-
-.. rubric:: Footnotes

diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index ed33cbb..d7ef2ad 100644 (file)
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -187,8 +187,9 @@ attributes:
 |           | co_name           | name with which this code |
 |           |                   | object was defined        |
 +-----------+-------------------+---------------------------+
-|           | co_names          | tuple of names of local   |
-|           |                   | variables                 |
+|           | co_names          | tuple of names other      |
+|           |                   | than arguments and        |
+|           |                   | function locals           |
 +-----------+-------------------+---------------------------+
 |           | co_nlocals        | number of local variables |
 +-----------+-------------------+---------------------------+

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index de88c57..d512334 100644 (file)
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -306,8 +306,7 @@ I/O Base Classes
 
 .. class:: IOBase
 
-   The abstract base class for all I/O classes, acting on streams of bytes.
-   There is no public constructor.
+   The abstract base class for all I/O classes.
 
    This class provides empty abstract implementations for many methods
    that derived classes can override selectively; the default
@@ -461,8 +460,7 @@ I/O Base Classes
 
 .. class:: RawIOBase
 
-   Base class for raw binary streams.  It inherits :class:`IOBase`.  There is no
-   public constructor.
+   Base class for raw binary streams.  It inherits :class:`IOBase`.
 
    Raw binary streams typically provide low-level access to an underlying OS
    device or API, and do not try to encapsulate it in high-level primitives
@@ -515,7 +513,7 @@ I/O Base Classes
 .. class:: BufferedIOBase
 
    Base class for binary streams that support some kind of buffering.
-   It inherits :class:`IOBase`. There is no public constructor.
+   It inherits :class:`IOBase`.
 
    The main difference with :class:`RawIOBase` is that methods :meth:`read`,
    :meth:`readinto` and :meth:`write` will try (respectively) to read as much
@@ -852,8 +850,7 @@ Text I/O
 .. class:: TextIOBase
 
    Base class for text streams.  This class provides a character and line based
-   interface to stream I/O.  It inherits :class:`IOBase`.  There is no public
-   constructor.
+   interface to stream I/O.  It inherits :class:`IOBase`.
 
    :class:`TextIOBase` provides or overrides these data attributes and
    methods in addition to those from :class:`IOBase`:

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 61d8b86..6e1ba3c 100644 (file)
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -813,11 +813,20 @@ which incur interpreter overhead.
            return starmap(func, repeat(args))
        return starmap(func, repeat(args, times))
 
-   def grouper(iterable, n, fillvalue=None):
+   def grouper(iterable, n, *, incomplete='fill', fillvalue=None):
        "Collect data into non-overlapping fixed-length chunks or blocks"
-       # grouper('ABCDEFG', 3, 'x') --> ABC DEF Gxx
+       # grouper('ABCDEFG', 3, fillvalue='x') --> ABC DEF Gxx
+       # grouper('ABCDEFG', 3, incomplete='strict') --> ABC DEF ValueError
+       # grouper('ABCDEFG', 3, incomplete='ignore') --> ABC DEF
        args = [iter(iterable)] * n
-       return zip_longest(*args, fillvalue=fillvalue)
+       if incomplete == 'fill':
+           return zip_longest(*args, fillvalue=fillvalue)
+       if incomplete == 'strict':
+           return zip(*args, strict=True)
+       if incomplete == 'ignore':
+           return zip(*args)
+       else:
+           raise ValueError('Expected fill, strict, or ignore')
 
    def triplewise(iterable):
        "Return overlapping triplets from an iterable"
@@ -884,6 +893,12 @@ which incur interpreter overhead.
            yield from it
        return true_iterator(), remainder_iterator()
 
+   def subslices(seq):
+       "Return all contiguous non-empty subslices of a sequence"
+       # subslices('ABCD') --> A AB ABC ABCD B BC BCD C CD D
+       slices = starmap(slice, combinations(range(len(seq) + 1), 2))
+       return map(operator.getitem, repeat(seq), slices)
+
    def powerset(iterable):
        "powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)"
        s = list(iterable)

diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index e81dd7e..096e649 100644 (file)
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -569,8 +569,15 @@ The :mod:`multiprocessing` package mostly replicates the API of the
    .. attribute:: exitcode
 
       The child's exit code.  This will be ``None`` if the process has not yet
-      terminated.  A negative value *-N* indicates that the child was terminated
-      by signal *N*.
+      terminated.
+
+      If the child's :meth:`run` method returned normally, the exit code
+      will be 0.  If it terminated via :func:`sys.exit` with an integer
+      argument *N*, the exit code will be *N*.
+
+      If the child terminated due to an exception not caught within
+      :meth:`run`, the exit code will be 1.  If it was terminated by
+      signal *N*, the exit code will be the negative value *-N*.
 
    .. attribute:: authkey
 
@@ -1040,9 +1047,9 @@ Miscellaneous
 
    .. versionadded:: 3.4
 
-.. function:: set_executable()
+.. function:: set_executable(executable)
 
-   Sets the path of the Python interpreter to use when starting a child process.
+   Set the path of the Python interpreter to use when starting a child process.
    (By default :data:`sys.executable` is used).  Embedders will probably need to
    do some thing like ::
 

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 629a32f..2a1ea05 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -2041,7 +2041,8 @@ features:
 
    Create a directory named *path* with numeric mode *mode*.
 
-   If the directory already exists, :exc:`FileExistsError` is raised.
+   If the directory already exists, :exc:`FileExistsError` is raised. If a parent
+   directory in the path does not exist, :exc:`FileNotFoundError` is raised.
 
    .. _mkdir_modebits:
 
@@ -4869,7 +4870,7 @@ Random numbers
 
 .. function:: urandom(size)
 
-   Return a string of *size* random bytes suitable for cryptographic use.
+   Return a bytestring of *size* random bytes suitable for cryptographic use.
 
    This function returns random bytes from an OS-specific randomness source.  The
    returned data should be unpredictable enough for cryptographic applications,

diff --git a/Doc/library/pathlib-inheritance.svg b/Doc/library/pathlib-inheritance.svg
index 49057f6..01f8684 100644 (file)
--- a/Doc/library/pathlib-inheritance.svg
+++ b/Doc/library/pathlib-inheritance.svg
@@ -1 +1 @@
-<svg version="1.1" viewBox="0.0 0.0 539.005249343832 319.40944881889766" fill="none" stroke="none" stroke-linecap="square" stroke-miterlimit="10" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><clipPath id="p.0"><path d="m0 0l539.00525 0l0 319.40945l-539.00525 0l0 -319.40945z" clip-rule="nonzero"/></clipPath><g clip-path="url(#p.0)"><path fill="#000000" fill-opacity="0.0" d="m0 0l539.00525 0l0 319.40945l-539.00525 0z" fill-rule="evenodd"/><path fill="#ffffff" d="m203.43307 37.929134l113.98425 0l0 61.165356l-113.98425 0z" fill-rule="evenodd"/><path stroke="#000000" stroke-width="1.0" stroke-linejoin="round" stroke-linecap="butt" d="m203.43307 37.929134l113.98425 0l0 61.165356l-113.98425 0z" fill-rule="evenodd"/><path fill="#000000" d="m225.89395 71.12181l0 1.640625l1.625 0q0.578125 0 0.8125 0.234375q0.25 0.21875 0.25 0.578125q0 0.34375 -0.25 0.578125q-0.234375 0.21875 -0.8125 0.21875l-3.46875 0q-0.578125 0 -0.828125 -0.21875q-0.25 -0.234375 -0.25 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diff --git a/Doc/library/queue.rst b/Doc/library/queue.rst
index 0ec5900..cbf27d2 100644 (file)
--- a/Doc/library/queue.rst
+++ b/Doc/library/queue.rst
@@ -201,15 +201,14 @@ Example of how to wait for enqueued tasks to be completed::
             print(f'Finished {item}')
             q.task_done()
 
-    # turn-on the worker thread
+    # Turn-on the worker thread.
     threading.Thread(target=worker, daemon=True).start()
 
-    # send thirty task requests to the worker
+    # Send thirty task requests to the worker.
     for item in range(30):
         q.put(item)
-    print('All task requests sent\n', end='')
 
-    # block until all tasks are done
+    # Block until all tasks are done.
     q.join()
     print('All work completed')
 

diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index 1c3bde3..e7c191b 100644 (file)
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -17,7 +17,7 @@ SQLite for internal data storage.  It's also possible to prototype an
 application using SQLite and then port the code to a larger database such as
 PostgreSQL or Oracle.
 
-The sqlite3 module was written by Gerhard Häring.  It provides a SQL interface
+The sqlite3 module was written by Gerhard Häring.  It provides an SQL interface
 compliant with the DB-API 2.0 specification described by :pep:`249`, and
 requires SQLite 3.7.15 or newer.
 
@@ -255,14 +255,28 @@ Module functions and constants
    for the connection, you can set the *cached_statements* parameter. The currently
    implemented default is to cache 100 statements.
 
-   If *uri* is true, *database* is interpreted as a URI. This allows you
-   to specify options. For example, to open a database in read-only mode
-   you can use::
+   If *uri* is :const:`True`, *database* is interpreted as a
+   :abbr:`URI (Uniform Resource Identifier)` with a file path and an optional
+   query string.  The scheme part *must* be ``"file:"``.  The path can be a
+   relative or absolute file path.  The query string allows us to pass
+   parameters to SQLite. Some useful URI tricks include::
 
-       db = sqlite3.connect('file:path/to/database?mode=ro', uri=True)
+       # Open a database in read-only mode.
+       con = sqlite3.connect("file:template.db?mode=ro", uri=True)
 
-   More information about this feature, including a list of recognized options, can
-   be found in the `SQLite URI documentation <https://www.sqlite.org/uri.html>`_.
+       # Don't implicitly create a new database file if it does not already exist.
+       # Will raise sqlite3.OperationalError if unable to open a database file.
+       con = sqlite3.connect("file:nosuchdb.db?mode=rw", uri=True)
+
+       # Create a shared named in-memory database.
+       con1 = sqlite3.connect("file:mem1?mode=memory&cache=shared", uri=True)
+       con2 = sqlite3.connect("file:mem1?mode=memory&cache=shared", uri=True)
+       con1.executescript("create table t(t); insert into t values(28);")
+       rows = con2.execute("select * from t").fetchall()
+
+   More information about this feature, including a list of recognized
+   parameters, can be found in the
+   `SQLite URI documentation <https://www.sqlite.org/uri.html>`_.
 
    .. audit-event:: sqlite3.connect database sqlite3.connect
    .. audit-event:: sqlite3.connect/handle connection_handle sqlite3.connect
@@ -323,7 +337,7 @@ Connection Objects
 
 .. class:: Connection
 
-   A SQLite database connection has the following attributes and methods:
+   An SQLite database connection has the following attributes and methods:
 
    .. attribute:: isolation_level
 
@@ -530,7 +544,7 @@ Connection Objects
 
    .. method:: load_extension(path)
 
-      This routine loads a SQLite extension from a shared library.  You have to
+      This routine loads an SQLite extension from a shared library.  You have to
       enable extension loading with :meth:`enable_load_extension` before you can
       use this routine.
 
@@ -606,7 +620,7 @@ Connection Objects
 
    .. method:: backup(target, *, pages=-1, progress=None, name="main", sleep=0.250)
 
-      This method makes a backup of a SQLite database even while it's being accessed
+      This method makes a backup of an SQLite database even while it's being accessed
       by other clients, or concurrently by the same connection.  The copy will be
       written into the mandatory argument *target*, that must be another
       :class:`Connection` instance.
@@ -743,11 +757,11 @@ Cursor Objects
 
    .. method:: setinputsizes(sizes)
 
-      Required by the DB-API. Is a no-op in :mod:`sqlite3`.
+      Required by the DB-API. Does nothing in :mod:`sqlite3`.
 
    .. method:: setoutputsize(size [, column])
 
-      Required by the DB-API. Is a no-op in :mod:`sqlite3`.
+      Required by the DB-API. Does nothing in :mod:`sqlite3`.
 
    .. attribute:: rowcount
 
@@ -961,7 +975,7 @@ This is how SQLite types are converted to Python types by default:
 +-------------+----------------------------------------------+
 
 The type system of the :mod:`sqlite3` module is extensible in two ways: you can
-store additional Python types in a SQLite database via object adaptation, and
+store additional Python types in an SQLite database via object adaptation, and
 you can let the :mod:`sqlite3` module convert SQLite types to different Python
 types via converters.
 

diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index a20f97a..3531cc3 100644 (file)
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -1753,10 +1753,10 @@ to speed up repeated connections from the same clients.
    Due to the early negotiation phase of the TLS connection, only limited
    methods and attributes are usable like
    :meth:`SSLSocket.selected_alpn_protocol` and :attr:`SSLSocket.context`.
-   :meth:`SSLSocket.getpeercert`, :meth:`SSLSocket.getpeercert`,
-   :meth:`SSLSocket.cipher` and :meth:`SSLSocket.compress` methods require that
+   The :meth:`SSLSocket.getpeercert`,
+   :meth:`SSLSocket.cipher` and :meth:`SSLSocket.compression` methods require that
    the TLS connection has progressed beyond the TLS Client Hello and therefore
-   will not contain return meaningful values nor can they be called safely.
+   will not return meaningful values nor can they be called safely.
 
    The *sni_callback* function must return ``None`` to allow the
    TLS negotiation to continue.  If a TLS failure is required, a constant

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 8fa252b..b330335 100644 (file)
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -4796,33 +4796,54 @@ Generic Alias Type
    object: GenericAlias
    pair: Generic; Alias
 
-``GenericAlias`` objects are created by subscripting a class (usually a
-container), such as ``list[int]``.  They are intended primarily for
+``GenericAlias`` objects are generally created by
+:ref:`subscripting <subscriptions>` a class. They are most often used with
+:ref:`container classes <sequence-types>`, such as :class:`list` or
+:class:`dict`. For example, ``list[int]`` is a ``GenericAlias`` object created
+by subscripting the ``list`` class with the argument :class:`int`.
+``GenericAlias`` objects are intended primarily for use with
 :term:`type annotations <annotation>`.
 
-Usually, the :ref:`subscription <subscriptions>` of container objects calls the
-method :meth:`__getitem__` of the object.  However, the subscription of some
-containers' classes may call the classmethod :meth:`__class_getitem__` of the
-class instead. The classmethod :meth:`__class_getitem__` should return a
-``GenericAlias`` object.
-
 .. note::
-   If the :meth:`__getitem__` of the class' metaclass is present, it will take
-   precedence over the :meth:`__class_getitem__` defined in the class (see
-   :pep:`560` for more details).
 
-The ``GenericAlias`` object acts as a proxy for :term:`generic types
-<generic type>`, implementing *parameterized generics* - a specific instance
-of a generic which provides the types for container elements.
+   It is generally only possible to subscript a class if the class implements
+   the special method :meth:`~object.__class_getitem__`.
+
+A ``GenericAlias`` object acts as a proxy for a :term:`generic type`,
+implementing *parameterized generics*.
+
+For a container class, the
+argument(s) supplied to a :ref:`subscription <subscriptions>` of the class may
+indicate the type(s) of the elements an object contains. For example,
+``set[bytes]`` can be used in type annotations to signify a :class:`set` in
+which all the elements are of type :class:`bytes`.
+
+For a class which defines :meth:`~object.__class_getitem__` but is not a
+container, the argument(s) supplied to a subscription of the class will often
+indicate the return type(s) of one or more methods defined on an object. For
+example, :mod:`regular expressions <re>` can be used on both the :class:`str` data
+type and the :class:`bytes` data type:
+
+* If ``x = re.search('foo', 'foo')``, ``x`` will be a
+  :ref:`re.Match <match-objects>` object where the return values of
+  ``x.group(0)`` and ``x[0]`` will both be of type :class:`str`. We can
+  represent this kind of object in type annotations with the ``GenericAlias``
+  ``re.Match[str]``.
 
-The user-exposed type for the ``GenericAlias`` object can be accessed from
-:class:`types.GenericAlias` and used for :func:`isinstance` checks.  It can
-also be used to create ``GenericAlias`` objects directly.
+* If ``y = re.search(b'bar', b'bar')``, (note the ``b`` for :class:`bytes`),
+  ``y`` will also be an instance of ``re.Match``, but the return
+  values of ``y.group(0)`` and ``y[0]`` will both be of type
+  :class:`bytes`. In type annotations, we would represent this
+  variety of :ref:`re.Match <match-objects>` objects with ``re.Match[bytes]``.
+
+``GenericAlias`` objects are instances of the class
+:class:`types.GenericAlias`, which can also be used to create ``GenericAlias``
+objects directly.
 
 .. describe:: T[X, Y, ...]
 
-   Creates a ``GenericAlias`` representing a type ``T`` containing elements
-   of types *X*, *Y*, and more depending on the ``T`` used.
+   Creates a ``GenericAlias`` representing a type ``T`` parameterized by types
+   *X*, *Y*, and more depending on the ``T`` used.
    For example, a function expecting a :class:`list` containing
    :class:`float` elements::
 
@@ -4847,7 +4868,7 @@ The builtin functions :func:`isinstance` and :func:`issubclass` do not accept
 
 The Python runtime does not enforce :term:`type annotations <annotation>`.
 This extends to generic types and their type parameters. When creating
-an object from a ``GenericAlias``, container elements are not checked
+a container object from a ``GenericAlias``, the elements in the container are not checked
 against their type. For example, the following code is discouraged, but will
 run without errors::
 
@@ -4874,8 +4895,8 @@ Calling :func:`repr` or :func:`str` on a generic shows the parameterized type::
    >>> str(list[int])
    'list[int]'
 
-The :meth:`__getitem__` method of generics will raise an exception to disallow
-mistakes like ``dict[str][str]``::
+The :meth:`~object.__getitem__` method of generic containers will raise an
+exception to disallow mistakes like ``dict[str][str]``::
 
    >>> dict[str][str]
    Traceback (most recent call last):
@@ -4884,7 +4905,7 @@ mistakes like ``dict[str][str]``::
 
 However, such expressions are valid when :ref:`type variables <generics>` are
 used.  The index must have as many elements as there are type variable items
-in the ``GenericAlias`` object's :attr:`__args__ <genericalias.__args__>`. ::
+in the ``GenericAlias`` object's :attr:`~genericalias.__args__`. ::
 
    >>> from typing import TypeVar
    >>> Y = TypeVar('Y')
@@ -4892,10 +4913,11 @@ in the ``GenericAlias`` object's :attr:`__args__ <genericalias.__args__>`. ::
    dict[str, int]
 
 
-Standard Generic Collections
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Standard Generic Classes
+^^^^^^^^^^^^^^^^^^^^^^^^
 
-These standard library collections support parameterized generics.
+The following standard library classes support parameterized generics. This
+list is non-exhaustive.
 
 * :class:`tuple`
 * :class:`list`
@@ -4933,12 +4955,29 @@ These standard library collections support parameterized generics.
 * :class:`collections.abc.ValuesView`
 * :class:`contextlib.AbstractContextManager`
 * :class:`contextlib.AbstractAsyncContextManager`
+* :class:`dataclasses.Field`
+* :class:`functools.cached_property`
+* :class:`functools.partialmethod`
+* :class:`os.PathLike`
+* :class:`queue.LifoQueue`
+* :class:`queue.Queue`
+* :class:`queue.PriorityQueue`
+* :class:`queue.SimpleQueue`
 * :ref:`re.Pattern <re-objects>`
 * :ref:`re.Match <match-objects>`
+* :class:`shelve.BsdDbShelf`
+* :class:`shelve.DbfilenameShelf`
+* :class:`shelve.Shelf`
+* :class:`types.MappingProxyType`
+* :class:`weakref.WeakKeyDictionary`
+* :class:`weakref.WeakMethod`
+* :class:`weakref.WeakSet`
+* :class:`weakref.WeakValueDictionary`
+
 
 
-Special Attributes of Generic Alias
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Special Attributes of ``GenericAlias`` objects
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 All parameterized generics implement special read-only attributes.
 
@@ -4953,8 +4992,8 @@ All parameterized generics implement special read-only attributes.
 .. attribute:: genericalias.__args__
 
    This attribute is a :class:`tuple` (possibly of length 1) of generic
-   types passed to the original :meth:`__class_getitem__`
-   of the generic container::
+   types passed to the original :meth:`~object.__class_getitem__` of the
+   generic class::
 
       >>> dict[str, list[int]].__args__
       (<class 'str'>, list[int])
@@ -4979,9 +5018,17 @@ All parameterized generics implement special read-only attributes.
 
 .. seealso::
 
-   * :pep:`585` -- "Type Hinting Generics In Standard Collections"
-   * :meth:`__class_getitem__` -- Used to implement parameterized generics.
-   * :ref:`generics` -- Generics in the :mod:`typing` module.
+   :pep:`484` - Type Hints
+      Introducing Python's framework for type annotations.
+
+   :pep:`585` - Type Hinting Generics In Standard Collections
+      Introducing the ability to natively parameterize standard-library
+      classes, provided they implement the special class method
+      :meth:`~object.__class_getitem__`.
+
+   :ref:`Generics`, :ref:`user-defined generics <user-defined-generics>` and :class:`typing.Generic`
+      Documentation on how to implement generic classes that can be
+      parameterized at runtime and understood by static type-checkers.
 
 .. versionadded:: 3.9
 

diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index b27782f..b710864 100644 (file)
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -428,12 +428,13 @@ character of ``'0'`` with an *alignment* type of ``'='``.
    Preceding the *width* field by ``'0'`` no longer affects the default
    alignment for strings.
 
-The *precision* is a decimal number indicating how many digits should be
-displayed after the decimal point for a floating point value formatted with
-``'f'`` and ``'F'``, or before and after the decimal point for a floating point
-value formatted with ``'g'`` or ``'G'``.  For non-number types the field
+The *precision* is a decimal integer indicating how many digits should be
+displayed after the decimal point for presentation types
+``'f'`` and ``'F'``, or before and after the decimal point for presentation
+types ``'g'`` or ``'G'``.  For string presentation types the field
 indicates the maximum field size - in other words, how many characters will be
-used from the field content. The *precision* is not allowed for integer values.
+used from the field content.  The *precision* is not allowed for integer
+presentation types.
 
 Finally, the *type* determines how the data should be presented.
 

diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 21a96a4..ab9f1d8 100644 (file)
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -264,13 +264,14 @@ default values. The arguments that are most commonly needed are:
    *stdin*, *stdout* and *stderr* specify the executed program's standard input,
    standard output and standard error file handles, respectively.  Valid values
    are :data:`PIPE`, :data:`DEVNULL`, an existing file descriptor (a positive
-   integer), an existing file object, and ``None``.  :data:`PIPE` indicates
-   that a new pipe to the child should be created.  :data:`DEVNULL` indicates
-   that the special file :data:`os.devnull` will be used.  With the default
-   settings of ``None``, no redirection will occur; the child's file handles
-   will be inherited from the parent.  Additionally, *stderr* can be
-   :data:`STDOUT`, which indicates that the stderr data from the child
-   process should be captured into the same file handle as for *stdout*.
+   integer), an existing file object with a valid file descriptor, and ``None``.
+   :data:`PIPE` indicates that a new pipe to the child should be created.
+   :data:`DEVNULL` indicates that the special file :data:`os.devnull` will
+   be used.  With the default settings of ``None``, no redirection will occur;
+   the child's file handles will be inherited from the parent.
+   Additionally, *stderr* can be :data:`STDOUT`, which indicates that the
+   stderr data from the child process should be captured into the same file
+   handle as for *stdout*.
 
    .. index::
       single: universal newlines; subprocess module
@@ -482,13 +483,14 @@ functions.
    *stdin*, *stdout* and *stderr* specify the executed program's standard input,
    standard output and standard error file handles, respectively.  Valid values
    are :data:`PIPE`, :data:`DEVNULL`, an existing file descriptor (a positive
-   integer), an existing :term:`file object`, and ``None``.  :data:`PIPE`
-   indicates that a new pipe to the child should be created.  :data:`DEVNULL`
-   indicates that the special file :data:`os.devnull` will be used. With the
-   default settings of ``None``, no redirection will occur; the child's file
-   handles will be inherited from the parent.  Additionally, *stderr* can be
-   :data:`STDOUT`, which indicates that the stderr data from the applications
-   should be captured into the same file handle as for stdout.
+   integer), an existing :term:`file object` with a valid file descriptor,
+   and ``None``.  :data:`PIPE` indicates that a new pipe to the child should
+   be created.  :data:`DEVNULL` indicates that the special file
+   :data:`os.devnull` will be used. With the default settings of ``None``,
+   no redirection will occur; the child's file handles will be inherited from
+   the parent.  Additionally, *stderr* can be :data:`STDOUT`, which indicates
+   that the stderr data from the applications should be captured into the same
+   file handle as for stdout.
 
    If *preexec_fn* is set to a callable object, this object will be called in the
    child process just before the child is executed.

diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 29cb54b..b59fa2c 100644 (file)
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -429,10 +429,7 @@ always available.
 
 .. function:: exit([arg])
 
-   Exit from Python.  This is implemented by raising the :exc:`SystemExit`
-   exception, so cleanup actions specified by finally clauses of :keyword:`try`
-   statements are honored, and it is possible to intercept the exit attempt at
-   an outer level.
+   Raise a :exc:`SystemExit` exception, signaling an intention to exit the interpreter.
 
    The optional argument *arg* can be an integer giving the exit status
    (defaulting to zero), or another type of object.  If it is an integer, zero
@@ -449,7 +446,8 @@ always available.
 
    Since :func:`exit` ultimately "only" raises an exception, it will only exit
    the process when called from the main thread, and the exception is not
-   intercepted.
+   intercepted. Cleanup actions specified by finally clauses of :keyword:`try` statements
+   are honored, and it is possible to intercept the exit attempt at an outer level.
 
    .. versionchanged:: 3.6
       If an error occurs in the cleanup after the Python interpreter

diff --git a/Doc/library/tempfile.rst b/Doc/library/tempfile.rst
index b8a5fa0..6b23a1b 100644 (file)
--- a/Doc/library/tempfile.rst
+++ b/Doc/library/tempfile.rst
@@ -62,6 +62,9 @@ The module defines the following user-callable items:
    The :py:data:`os.O_TMPFILE` flag is used if it is available and works
    (Linux-specific, requires Linux kernel 3.11 or later).
 
+   On platforms that are neither Posix nor Cygwin, TemporaryFile is an alias
+   for NamedTemporaryFile.
+
    .. audit-event:: tempfile.mkstemp fullpath tempfile.TemporaryFile
 
    .. versionchanged:: 3.5

diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 8c76643..14434fb 100644 (file)
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -428,8 +428,8 @@ since it is impossible to detect the termination of alien threads.
 
    .. attribute:: daemon
 
-      A boolean value indicating whether this thread is a daemon thread (True)
-      or not (False).  This must be set before :meth:`~Thread.start` is called,
+      A boolean value indicating whether this thread is a daemon thread (``True``)
+      or not (``False``).  This must be set before :meth:`~Thread.start` is called,
       otherwise :exc:`RuntimeError` is raised.  Its initial value is inherited
       from the creating thread; the main thread is not a daemon thread and
       therefore all threads created in the main thread default to
@@ -503,7 +503,7 @@ All methods are executed atomically.
       value, block for at most the number of seconds specified by *timeout*
       and as long as the lock cannot be acquired.  A *timeout* argument of ``-1``
       specifies an unbounded wait.  It is forbidden to specify a *timeout*
-      when *blocking* is false.
+      when *blocking* is ``False``.
 
       The return value is ``True`` if the lock is acquired successfully,
       ``False`` if not (for example if the *timeout* expired).
@@ -531,7 +531,7 @@ All methods are executed atomically.
 
    .. method:: locked()
 
-      Return true if the lock is acquired.
+      Return ``True`` if the lock is acquired.
 
 
 
@@ -580,17 +580,17 @@ Reentrant locks also support the :ref:`context management protocol <with-locks>`
       is unlocked, only one at a time will be able to grab ownership of the lock.
       There is no return value in this case.
 
-      When invoked with the *blocking* argument set to true, do the same thing as when
+      When invoked with the *blocking* argument set to ``True``, do the same thing as when
       called without arguments, and return ``True``.
 
-      When invoked with the *blocking* argument set to false, do not block.  If a call
+      When invoked with the *blocking* argument set to ``False``, do not block.  If a call
       without an argument would block, return ``False`` immediately; otherwise, do the
       same thing as when called without arguments, and return ``True``.
 
       When invoked with the floating-point *timeout* argument set to a positive
       value, block for at most the number of seconds specified by *timeout*
       and as long as the lock cannot be acquired.  Return ``True`` if the lock has
-      been acquired, false if the timeout has elapsed.
+      been acquired, ``False`` if the timeout has elapsed.
 
       .. versionchanged:: 3.2
          The *timeout* parameter is new.
@@ -831,7 +831,7 @@ Semaphores also support the :ref:`context management protocol <with-locks>`.
         thread will be awoken by each call to :meth:`~Semaphore.release`.  The
         order in which threads are awoken should not be relied on.
 
-      When invoked with *blocking* set to false, do not block.  If a call
+      When invoked with *blocking* set to ``False``, do not block.  If a call
       without an argument would block, return ``False`` immediately; otherwise, do
       the same thing as when called without arguments, and return ``True``.
 

diff --git a/Doc/library/time.rst b/Doc/library/time.rst
index cfd67e8..ed1f71d 100644 (file)
--- a/Doc/library/time.rst
+++ b/Doc/library/time.rst
@@ -259,6 +259,12 @@ Functions
    :const:`None`, the current time as returned by :func:`.time` is used.  The dst
    flag is set to ``1`` when DST applies to the given time.
 
+   :func:`localtime` may raise :exc:`OverflowError`, if the timestamp is
+   outside the range of values supported by the platform C :c:func:`localtime`
+   or :c:func:`gmtime` functions, and :exc:`OSError` on :c:func:`localtime` or
+   :c:func:`gmtime` failure. It's common for this to be restricted to years
+   between 1970 and 2038.
+
 
 .. function:: mktime(t)
 
@@ -456,10 +462,10 @@ Functions
    |           | negative time difference from UTC/GMT of the   |       |
    |           | form +HHMM or -HHMM, where H represents decimal|       |
    |           | hour digits and M represents decimal minute    |       |
-   |           | digits [-23:59, +23:59].                       |       |
+   |           | digits [-23:59, +23:59]. [1]_                  |       |
    +-----------+------------------------------------------------+-------+
    | ``%Z``    | Time zone name (no characters if no time zone  |       |
-   |           | exists).                                       |       |
+   |           | exists). Deprecated. [1]_                      |       |
    +-----------+------------------------------------------------+-------+
    | ``%%``    | A literal ``'%'`` character.                   |       |
    +-----------+------------------------------------------------+-------+
@@ -480,7 +486,7 @@ Functions
       calculations when the day of the week and the year are specified.
 
    Here is an example, a format for dates compatible with that specified  in the
-   :rfc:`2822` Internet email standard.  [#]_ ::
+   :rfc:`2822` Internet email standard.  [1]_ ::
 
       >>> from time import gmtime, strftime
       >>> strftime("%a, %d %b %Y %H:%M:%S +0000", gmtime())
@@ -908,10 +914,9 @@ Timezone Constants
 
 .. rubric:: Footnotes
 
-.. [#] The use of ``%Z`` is now deprecated, but the ``%z`` escape that expands to the
-   preferred  hour/minute offset is not supported by all ANSI C libraries. Also, a
+.. [1] The use of ``%Z`` is now deprecated, but the ``%z`` escape that expands to the
+   preferred hour/minute offset is not supported by all ANSI C libraries. Also, a
    strict reading of the original 1982 :rfc:`822` standard calls for a two-digit
-   year (%y rather than %Y), but practice moved to 4-digit years long before the
+   year (``%y`` rather than ``%Y``), but practice moved to 4-digit years long before the
    year 2000.  After that, :rfc:`822` became obsolete and the 4-digit year has
    been first recommended by :rfc:`1123` and then mandated by :rfc:`2822`.
-

diff --git a/Doc/library/timeit.rst b/Doc/library/timeit.rst
index d4e8b74..ca21fe6 100644 (file)
--- a/Doc/library/timeit.rst
+++ b/Doc/library/timeit.rst
@@ -282,6 +282,13 @@ It is possible to provide a setup statement that is executed only once at the be
    $ python -m timeit -s 'text = "sample string"; char = "g"'  'text.find(char)'
    1000000 loops, best of 5: 0.342 usec per loop
 
+In the output, there are three fields. The loop count, which tells you how many
+times the statement body was run per timing loop repetition. The repetition
+count ('best of 5') which tells you how many times the timing loop was
+repeated, and finally the time the statement body took on average within the
+best repetition of the timing loop. That is, the time the fastest repetition
+took divided by the loop count.
+
 ::
 
    >>> import timeit

diff --git a/Doc/library/tk_msg.png b/Doc/library/tk_msg.png
index c122d8f..6495e63 100644 (file)
Binary files a/Doc/library/tk_msg.png and b/Doc/library/tk_msg.png differ

diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index a48bc13..65395d8 100644 (file)
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -756,8 +756,8 @@ callback
 
 color
    Colors can be given as the names of X colors in the rgb.txt file, or as strings
-   representing RGB values in 4 bit: ``"#RGB"``, 8 bit: ``"#RRGGBB"``, 12 bit"
-   ``"#RRRGGGBBB"``, or 16 bit ``"#RRRRGGGGBBBB"`` ranges, where R,G,B here
+   representing RGB values in 4 bit: ``"#RGB"``, 8 bit: ``"#RRGGBB"``, 12 bit:
+   ``"#RRRGGGBBB"``, or 16 bit: ``"#RRRRGGGGBBBB"`` ranges, where R,G,B here
    represent any legal hex digit.  See page 160 of Ousterhout's book for details.
 
 cursor

diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst
index 929749b..6fa3eee 100644 (file)
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@@ -32,6 +32,10 @@ In the function ``greeting``, the argument ``name`` is expected to be of type
 :class:`str` and the return type :class:`str`. Subtypes are accepted as
 arguments.
 
+New features are frequently added to the ``typing`` module.
+The `typing_extensions <https://pypi.org/project/typing-extensions/>`_ package
+provides backports of these new features to older versions of Python.
+
 .. _relevant-peps:
 
 Relevant PEPs
@@ -1384,9 +1388,6 @@ These are not used in annotations. They are building blocks for declaring types.
 
       assert Point2D(x=1, y=2, label='first') == dict(x=1, y=2, label='first')
 
-   The type info for introspection can be accessed via ``Point2D.__annotations__``,
-   ``Point2D.__total__``, ``Point2D.__required_keys__``, and
-   ``Point2D.__optional_keys__``.
    To allow using this feature with older versions of Python that do not
    support :pep:`526`, ``TypedDict`` supports two additional equivalent
    syntactic forms::
@@ -1394,6 +1395,18 @@ These are not used in annotations. They are building blocks for declaring types.
       Point2D = TypedDict('Point2D', x=int, y=int, label=str)
       Point2D = TypedDict('Point2D', {'x': int, 'y': int, 'label': str})
 
+   The functional syntax should also be used when any of the keys are not valid
+   :ref:`identifiers`, for example because they are keywords or contain hyphens.
+   Example::
+
+      # raises SyntaxError
+      class Point2D(TypedDict):
+          in: int  # 'in' is a keyword
+          x-y: int  # name with hyphens
+
+      # OK, functional syntax
+      Point2D = TypedDict('Point2D', {'in': int, 'x-y': int})
+
    By default, all keys must be present in a ``TypedDict``. It is possible to
    override this by specifying totality.
    Usage::
@@ -1407,6 +1420,82 @@ These are not used in annotations. They are building blocks for declaring types.
    ``True`` as the value of the ``total`` argument. ``True`` is the default,
    and makes all items defined in the class body required.
 
+   It is possible for a ``TypedDict`` type to inherit from one or more other ``TypedDict`` types
+   using the class-based syntax.
+   Usage::
+
+      class Point3D(Point2D):
+          z: int
+
+   ``Point3D`` has three items: ``x``, ``y`` and ``z``. It is equivalent to this
+   definition::
+
+      class Point3D(TypedDict):
+          x: int
+          y: int
+          z: int
+
+   A ``TypedDict`` cannot inherit from a non-TypedDict class,
+   notably including :class:`Generic`. For example::
+
+      class X(TypedDict):
+          x: int
+
+      class Y(TypedDict):
+          y: int
+
+      class Z(object): pass  # A non-TypedDict class
+
+      class XY(X, Y): pass  # OK
+
+      class XZ(X, Z): pass  # raises TypeError
+
+      T = TypeVar('T')
+      class XT(X, Generic[T]): pass  # raises TypeError
+
+   A ``TypedDict`` can be introspected via annotations dicts
+   (see :ref:`annotations-howto` for more information on annotations best practices),
+   :attr:`__total__`, :attr:`__required_keys__`, and :attr:`__optional_keys__`.
+
+   .. attribute:: __total__
+
+      ``Point2D.__total__`` gives the value of the ``total`` argument.
+      Example::
+
+         >>> from typing import TypedDict
+         >>> class Point2D(TypedDict): pass
+         >>> Point2D.__total__
+         True
+         >>> class Point2D(TypedDict, total=False): pass
+         >>> Point2D.__total__
+         False
+         >>> class Point3D(Point2D): pass
+         >>> Point3D.__total__
+         True
+
+   .. attribute:: __required_keys__
+   .. attribute:: __optional_keys__
+
+      ``Point2D.__required_keys__`` and ``Point2D.__optional_keys__`` return
+      :class:`frozenset` objects containing required and non-required keys, respectively.
+      Currently the only way to declare both required and non-required keys in the
+      same ``TypedDict`` is mixed inheritance, declaring a ``TypedDict`` with one value
+      for the ``total`` argument and then inheriting it from another ``TypedDict`` with
+      a different value for ``total``.
+      Usage::
+
+         >>> class Point2D(TypedDict, total=False):
+         ...     x: int
+         ...     y: int
+         ...
+         >>> class Point3D(Point2D):
+         ...     z: int
+         ...
+         >>> Point3D.__required_keys__ == frozenset({'z'})
+         True
+         >>> Point3D.__optional_keys__ == frozenset({'x', 'y'})
+         True
+
    See :pep:`589` for more examples and detailed rules of using ``TypedDict``.
 
    .. versionadded:: 3.8

diff --git a/Doc/library/uuid.rst b/Doc/library/uuid.rst
index 415e25b..ddfbbda 100644 (file)
--- a/Doc/library/uuid.rst
+++ b/Doc/library/uuid.rst
@@ -118,7 +118,7 @@ which relays any information about the UUID's safety, using this enumeration:
 
 .. attribute:: UUID.hex
 
-   The UUID as a 32-character hexadecimal string.
+   The UUID as a 32-character lowercase hexadecimal string.
 
 
 .. attribute:: UUID.int

diff --git a/Doc/library/xml.dom.rst b/Doc/library/xml.dom.rst
index 98454e1..b387240 100644 (file)
--- a/Doc/library/xml.dom.rst
+++ b/Doc/library/xml.dom.rst
@@ -73,7 +73,7 @@ implementations are free to support the strict mapping from IDL).  See section
    `Document Object Model (DOM) Level 1 Specification <https://www.w3.org/TR/REC-DOM-Level-1/>`_
       The W3C recommendation for the DOM supported by :mod:`xml.dom.minidom`.
 
-   `Python Language Mapping Specification <http://www.omg.org/cgi-bin/doc?formal/02-11-05.pdf>`_
+   `Python Language Mapping Specification <https://www.omg.org/spec/PYTH/1.2/PDF>`_
       This specifies the mapping from OMG IDL to Python.
 
 

diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index be1f714..55ac99c 100644 (file)
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1904,7 +1904,7 @@ Customizing class creation
 --------------------------
 
 Whenever a class inherits from another class, :meth:`~object.__init_subclass__` is
-called on that class. This way, it is possible to write classes which
+called on the parent class. This way, it is possible to write classes which
 change the behavior of subclasses. This is closely related to class
 decorators, but where class decorators only affect the specific class they're
 applied to, ``__init_subclass__`` solely applies to future subclasses of the

diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index d4aae29..9f136c9 100644 (file)
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -810,30 +810,44 @@ Subscriptions
    object: dictionary
    pair: sequence; item
 
-Subscription of a sequence (string, tuple or list) or mapping (dictionary)
-object usually selects an item from the collection:
+The subscription of an instance of a :ref:`container class <sequence-types>`
+will generally select an element from the container. The subscription of a
+:term:`generic class <generic type>` will generally return a
+:ref:`GenericAlias <types-genericalias>` object.
 
 .. productionlist:: python-grammar
    subscription: `primary` "[" `expression_list` "]"
 
-The primary must evaluate to an object that supports subscription (lists or
-dictionaries for example).  User-defined objects can support subscription by
-defining a :meth:`__getitem__` method.
+When an object is subscripted, the interpreter will evaluate the primary and
+the expression list.
 
-For built-in objects, there are two types of objects that support subscription:
+The primary must evaluate to an object that supports subscription. An object
+may support subscription through defining one or both of
+:meth:`~object.__getitem__` and :meth:`~object.__class_getitem__`. When the
+primary is subscripted, the evaluated result of the expression list will be
+passed to one of these methods. For more details on when ``__class_getitem__``
+is called instead of ``__getitem__``, see :ref:`classgetitem-versus-getitem`.
 
-If the primary is a mapping, the expression list must evaluate to an object
-whose value is one of the keys of the mapping, and the subscription selects the
-value in the mapping that corresponds to that key.  (The expression list is a
-tuple except if it has exactly one item.)
+If the expression list contains at least one comma, it will evaluate to a
+:class:`tuple` containing the items of the expression list. Otherwise, the
+expression list will evaluate to the value of the list's sole member.
 
-If the primary is a sequence, the expression list must evaluate to an integer
-or a slice (as discussed in the following section).
+For built-in objects, there are two types of objects that support subscription
+via :meth:`~object.__getitem__`:
+
+1. Mappings. If the primary is a :term:`mapping`, the expression list must
+   evaluate to an object whose value is one of the keys of the mapping, and the
+   subscription selects the value in the mapping that corresponds to that key.
+   An example of a builtin mapping class is the :class:`dict` class.
+2. Sequences. If the primary is a :term:`sequence`, the expression list must
+   evaluate to an :class:`int` or a :class:`slice` (as discussed in the
+   following section). Examples of builtin sequence classes include the
+   :class:`str`, :class:`list` and :class:`tuple` classes.
 
 The formal syntax makes no special provision for negative indices in
-sequences; however, built-in sequences all provide a :meth:`__getitem__`
+:term:`sequences <sequence>`. However, built-in sequences all provide a :meth:`~object.__getitem__`
 method that interprets negative indices by adding the length of the sequence
-to the index (so that ``x[-1]`` selects the last item of ``x``).  The
+to the index so that, for example, ``x[-1]`` selects the last item of ``x``. The
 resulting value must be a nonnegative integer less than the number of items in
 the sequence, and the subscription selects the item whose index is that value
 (counting from zero). Since the support for negative indices and slicing
@@ -844,14 +858,10 @@ this method will need to explicitly add that support.
    single: character
    pair: string; item
 
-A string's items are characters.  A character is not a separate data type but a
+A :class:`string <str>` is a special kind of sequence whose items are
+*characters*. A character is not a separate data type but a
 string of exactly one character.
 
-Subscription of certain :term:`classes <class>` or :term:`types <type>`
-creates a :ref:`generic alias <types-genericalias>`.
-In this case, user-defined classes can support subscription by providing a
-:meth:`__class_getitem__` classmethod.
-
 
 .. _slicings:
 

diff --git a/Doc/reference/import.rst b/Doc/reference/import.rst
index 9834f95..c01535d 100644 (file)
--- a/Doc/reference/import.rst
+++ b/Doc/reference/import.rst
@@ -84,9 +84,9 @@ considered a package.
 
 All modules have a name.  Subpackage names are separated from their parent
 package name by a dot, akin to Python's standard attribute access syntax.  Thus
-you might have a module called :mod:`sys` and a package called :mod:`email`,
-which in turn has a subpackage called :mod:`email.mime` and a module within
-that subpackage called :mod:`email.mime.text`.
+you might have a package called :mod:`email`, which in turn has a subpackage
+called :mod:`email.mime` and a module within that subpackage called
+:mod:`email.mime.text`.
 
 
 Regular packages

diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index bb1209d..92dfcb0 100644 (file)
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -563,10 +563,10 @@ The :keyword:`!raise` statement
 .. productionlist:: python-grammar
    raise_stmt: "raise" [`expression` ["from" `expression`]]
 
-If no expressions are present, :keyword:`raise` re-raises the last exception
-that was active in the current scope.  If no exception is active in the current
-scope, a :exc:`RuntimeError` exception is raised indicating that this is an
-error.
+If no expressions are present, :keyword:`raise` re-raises the
+exception that is currently being handled, which is also known as the *active exception*.
+If there isn't currently an active exception, a :exc:`RuntimeError` exception is raised
+indicating that this is an error.
 
 Otherwise, :keyword:`raise` evaluates the first expression as the exception
 object.  It must be either a subclass or an instance of :class:`BaseException`.
@@ -581,8 +581,8 @@ The :dfn:`type` of the exception is the exception instance's class, the
 A traceback object is normally created automatically when an exception is raised
 and attached to it as the :attr:`__traceback__` attribute, which is writable.
 You can create an exception and set your own traceback in one step using the
-:meth:`with_traceback` exception method (which returns the same exception
-instance, with its traceback set to its argument), like so::
+:meth:`~BaseException.with_traceback` exception method (which returns the
+same exception instance, with its traceback set to its argument), like so::
 
    raise Exception("foo occurred").with_traceback(tracebackobj)
 
@@ -614,8 +614,10 @@ exceptions will be printed::
      File "<stdin>", line 4, in <module>
    RuntimeError: Something bad happened
 
-A similar mechanism works implicitly if an exception is raised inside an
-exception handler or a :keyword:`finally` clause: the previous exception is then
+A similar mechanism works implicitly if a new exception is raised when
+an exception is already being handled.  An exception may be handled
+when an :keyword:`except` or :keyword:`finally` clause, or a
+:keyword:`with` statement, is used.  The previous exception is then
 attached as the new exception's :attr:`__context__` attribute::
 
    >>> try:

diff --git a/Doc/tools/extensions/escape4chm.py b/Doc/tools/extensions/escape4chm.py
index e999971..8997097 100644 (file)
--- a/Doc/tools/extensions/escape4chm.py
+++ b/Doc/tools/extensions/escape4chm.py
@@ -5,6 +5,7 @@ effect on some MBCS Windows systems.
 https://bugs.python.org/issue32174
 """
 
+import pathlib
 import re
 from html.entities import codepoint2name
 
@@ -39,12 +40,12 @@ def fixup_keywords(app, exception):
         return
 
     getLogger(__name__).info('fixing HTML escapes in keywords file...')
-    outdir = app.builder.outdir
+    outdir = pathlib.Path(app.builder.outdir)
     outname = app.builder.config.htmlhelp_basename
-    with app.builder.open_file(outdir, outname + '.hhk', 'r') as f:
+    with open(outdir / (outname + '.hhk'), 'rb') as f:
         index = f.read()
-    with app.builder.open_file(outdir, outname + '.hhk', 'w') as f:
-        f.write(index.replace(''', '''))
+    with open(outdir / (outname + '.hhk'), 'wb') as f:
+        f.write(index.replace(b''', b'''))
 
 def setup(app):
     # `html-page-context` event emitted when the HTML builder has

diff --git a/Doc/tools/susp-ignored.csv b/Doc/tools/susp-ignored.csv
index 2453faa..9f4a44f 100644 (file)
--- a/Doc/tools/susp-ignored.csv
+++ b/Doc/tools/susp-ignored.csv
@@ -212,7 +212,10 @@ library/socket,,:can,"return (can_id, can_dlc, data[:can_dlc])"
 library/socket,,:len,fds.frombytes(cmsg_data[:len(cmsg_data) - (len(cmsg_data) % fds.itemsize)])
 library/sqlite3,,:year,"cur.execute(""select * from lang where first_appeared=:year"", {""year"": 1972})"
 library/sqlite3,,:memory,
-library/sqlite3,,:path,"db = sqlite3.connect('file:path/to/database?mode=ro', uri=True)"
+library/sqlite3,,:template,"con = sqlite3.connect(""file:template.db?mode=ro"", uri=True)"
+library/sqlite3,,:nosuchdb,"con = sqlite3.connect(""file:nosuchdb.db?mode=rw"", uri=True)"
+library/sqlite3,,:mem1,"con1 = sqlite3.connect(""file:mem1?mode=memory&cache=shared"", uri=True)"
+library/sqlite3,,:mem1,"con2 = sqlite3.connect(""file:mem1?mode=memory&cache=shared"", uri=True)"
 library/ssl,,:My,"Organizational Unit Name (eg, section) []:My Group"
 library/ssl,,:My,"Organization Name (eg, company) [Internet Widgits Pty Ltd]:My Organization, Inc."
 library/ssl,,:myserver,"Common Name (eg, YOUR name) []:myserver.mygroup.myorganization.com"

diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index fad8746..f6e013b 100644 (file)
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -250,7 +250,7 @@ at a more abstract level.  The :keyword:`!pass` is silently ignored::
 :keyword:`!match` Statements
 ============================
 
-A match statement takes an expression and compares its value to successive
+A :keyword:`match` statement takes an expression and compares its value to successive
 patterns given as one or more case blocks.  This is superficially
 similar to a switch statement in C, Java or JavaScript (and many
 other languages), but it can also extract components (sequence elements or
@@ -884,7 +884,7 @@ zero or more normal arguments may occur. ::
        file.write(separator.join(args))
 
 
-Normally, these ``variadic`` arguments will be last in the list of formal
+Normally, these *variadic* arguments will be last in the list of formal
 parameters, because they scoop up all remaining input arguments that are
 passed to the function. Any formal parameters which occur after the ``*args``
 parameter are 'keyword-only' arguments, meaning that they can only be used as

diff --git a/Doc/using/win_installer.png b/Doc/using/win_installer.png
index 9c18ff1..03bf2d7 100644 (file)
Binary files a/Doc/using/win_installer.png and b/Doc/using/win_installer.png differ

diff --git a/Doc/using/windows.rst b/Doc/using/windows.rst
index 68ee09c..cad7f69 100644 (file)
--- a/Doc/using/windows.rst
+++ b/Doc/using/windows.rst
@@ -129,8 +129,8 @@ suppressing the UI in order to change some of the defaults.
 To completely hide the installer UI and install Python silently, pass the
 ``/quiet`` option. To skip past the user interaction but still display
 progress and errors, pass the ``/passive`` option. The ``/uninstall``
-option may be passed to immediately begin removing Python - no prompt will be
-displayed.
+option may be passed to immediately begin removing Python - no confirmation
+prompt will be displayed.
 
 All other options are passed as ``name=value``, where the value is usually
 ``0`` to disable a feature, ``1`` to enable a feature, or a path. The full list

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index c07523c..5788e32 100644 (file)
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -1137,10 +1137,18 @@ IDLE and idlelib
 ----------------
 
 Make IDLE invoke :func:`sys.excepthook` (when started without '-n').
-User hooks were previously ignored.  (Patch by Ken Hilton in
+User hooks were previously ignored.  (Contributed by Ken Hilton in
 :issue:`43008`.)
 
-This change was backported to a 3.9 maintenance release.
+Rearrange the settings dialog.  Split the General tab into Windows
+and Shell/Ed tabs.  Move help sources, which extend the Help menu, to the
+Extensions tab.  Make space for new options and shorten the dialog. The
+latter makes the dialog better fit small screens.  (Contributed by Terry Jan
+Reedy in :issue:`40468`.)  Move the indent space setting from the Font tab to
+the new Windows tab.  (Contributed by Mark Roseman and Terry Jan Reedy in
+:issue:`33962`.)
+
+The changes above were backported to a 3.9 maintenance release.
 
 Add a Shell sidebar.  Move the primary prompt ('>>>') to the sidebar.
 Add secondary prompts ('...') to the sidebar.  Left click and optional
@@ -1153,18 +1161,20 @@ in :issue:`37903`.)
 
 Use spaces instead of tabs to indent interactive code.  This makes
 interactive code entries 'look right'.  Making this feasible was a
-major motivation for adding the shell sidebar.  Contributed by
+major motivation for adding the shell sidebar.  (Contributed by
 Terry Jan Reedy in :issue:`37892`.)
 
-We expect to backport these shell changes to a future 3.9 maintenance
-release.
-
 Highlight the new :ref:`soft keywords <soft-keywords>` :keyword:`match`,
 :keyword:`case <match>`, and :keyword:`_ <wildcard-patterns>` in
 pattern-matching statements. However, this highlighting is not perfect
 and will be incorrect in some rare cases, including some ``_``-s in
 ``case`` patterns.  (Contributed by Tal Einat in :issue:`44010`.)
 
+New in 3.10 maintenance releases.
+
+Apply syntax highlighting to `.pyi` files. (Contributed by Alex
+Waygood and Terry Jan Reedy in :issue:`45447`.)
+
 importlib.metadata
 ------------------
 

diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst
index 1199535..dcbd092 100644 (file)
--- a/Doc/whatsnew/3.7.rst
+++ b/Doc/whatsnew/3.7.rst
@@ -538,7 +538,7 @@ Other Language Changes
 * The new :option:`-X` ``importtime`` option or the
   :envvar:`PYTHONPROFILEIMPORTTIME` environment variable can be used to show
   the timing of each module import.
-  (Contributed by Victor Stinner in :issue:`31415`.)
+  (Contributed by Inada Naoki in :issue:`31415`.)
 
 
 New Modules

diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index 296c64d..e2455bc 100644 (file)
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -484,8 +484,25 @@ Najera in :issue:`38944`.)
 Added keywords to module name completion list.  (Contributed by Terry J.
 Reedy in :issue:`37765`.)
 
+New in 3.9 maintenance releases
+
+Make IDLE invoke :func:`sys.excepthook` (when started without '-n').
+User hooks were previously ignored.  (Contributed by Ken Hilton in
+:issue:`43008`.)
+
 The changes above have been backported to 3.8 maintenance releases.
 
+Rearrange the settings dialog.  Split the General tab into Windows
+and Shell/Ed tabs.  Move help sources, which extend the Help menu, to the
+Extensions tab.  Make space for new options and shorten the dialog. The
+latter makes the dialog better fit small screens.  (Contributed by Terry Jan
+Reedy in :issue:`40468`.)  Move the indent space setting from the Font tab to
+the new Windows tab.  (Contributed by Mark Roseman and Terry Jan Reedy in
+:issue:`33962`.)
+
+Apply syntax highlighting to `.pyi` files. (Contributed by Alex
+Waygood and Terry Jan Reedy in :issue:`45447`.)
+
 imaplib
 -------
 

diff --git a/Grammar/python.gram b/Grammar/python.gram
index f730658..99e0135 100644 (file)
--- a/Grammar/python.gram
+++ b/Grammar/python.gram
@@ -846,6 +846,7 @@ invalid_kwarg:
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(
             a, b, "expression cannot contain assignment, perhaps you meant \"==\"?") }
 
+# IMPORTANT: Note that the "_without_invalid" suffix causes the rule to not call invalid rules under it
 expression_without_invalid[expr_ty]:
     | a=disjunction 'if' b=disjunction 'else' c=expression { _PyAST_IfExp(b, a, c, EXTRA) }
     | disjunction
@@ -863,14 +864,14 @@ invalid_expression:
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Perhaps you forgot a comma?") }
    | a=disjunction 'if' b=disjunction !('else'|':') { RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "expected 'else' after 'if' expression") }
 
-invalid_named_expression:
+invalid_named_expression(memo):
     | a=expression ':=' expression {
         RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
             a, "cannot use assignment expressions with %s", _PyPegen_get_expr_name(a)) }
     | a=NAME '=' b=bitwise_or !('='|':=') {
-        p->in_raw_rule ? NULL : RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '==' or ':=' instead of '='?") }
+        RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '==' or ':=' instead of '='?") }
     | !(list|tuple|genexp|'True'|'None'|'False') a=bitwise_or b='=' bitwise_or !('='|':=') {
-        p->in_raw_rule ? NULL : RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "cannot assign to %s here. Maybe you meant '==' instead of '='?",
+        RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "cannot assign to %s here. Maybe you meant '==' instead of '='?",
                                           _PyPegen_get_expr_name(a)) }
 
 invalid_assignment:

diff --git a/Include/cpython/compile.h b/Include/cpython/compile.h
index a202c0b..518a376 100644 (file)
--- a/Include/cpython/compile.h
+++ b/Include/cpython/compile.h
@@ -18,8 +18,10 @@
 #define PyCF_IGNORE_COOKIE 0x0800
 #define PyCF_TYPE_COMMENTS 0x1000
 #define PyCF_ALLOW_TOP_LEVEL_AWAIT 0x2000
+#define PyCF_ALLOW_INCOMPLETE_INPUT 0x4000
 #define PyCF_COMPILE_MASK (PyCF_ONLY_AST | PyCF_ALLOW_TOP_LEVEL_AWAIT | \
-                           PyCF_TYPE_COMMENTS | PyCF_DONT_IMPLY_DEDENT)
+                           PyCF_TYPE_COMMENTS | PyCF_DONT_IMPLY_DEDENT | \
+                           PyCF_ALLOW_INCOMPLETE_INPUT)
 
 typedef struct {
     int cf_flags;  /* bitmask of CO_xxx flags relevant to future */

diff --git a/Include/errcode.h b/Include/errcode.h
index 2e07fc2..54ae929 100644 (file)
--- a/Include/errcode.h
+++ b/Include/errcode.h
@@ -26,6 +26,8 @@ extern "C" {
 #define E_TOODEEP       20      /* Too many indentation levels */
 #define E_DEDENT        21      /* No matching outer block for dedent */
 #define E_DECODE        22      /* Error in decoding into Unicode */
+#define E_EOFS          23      /* EOF in triple-quoted string */
+#define E_EOLS          24      /* EOL in single-quoted string */
 #define E_LINECONT      25      /* Unexpected characters after a line continuation */
 #define E_BADSINGLE     27      /* Ill-formed single statement input */
 #define E_INTERACT_STOP 28      /* Interactive mode stopped tokenization */

diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 5769674..5bb246e 100644 (file)
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -18,12 +18,12 @@
 /*--start constants--*/
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        10
-#define PY_MICRO_VERSION        2
+#define PY_MICRO_VERSION        3
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_FINAL
 #define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.10.2"
+#define PY_VERSION              "3.10.3"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index 87a9cd2..40417dc 100644 (file)
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -500,7 +500,10 @@ class _CallableGenericAlias(GenericAlias):
                 if subparams:
                     subargs = tuple(subst[x] for x in subparams)
                     arg = arg[subargs]
-            new_args.append(arg)
+            if isinstance(arg, tuple):
+                new_args.extend(arg)
+            else:
+                new_args.append(arg)
 
         # args[0] occurs due to things like Z[[int, str, bool]] from PEP 612
         if not isinstance(new_args[0], list):
@@ -868,7 +871,7 @@ class KeysView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, key):
@@ -886,7 +889,7 @@ class ItemsView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, item):

diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 56e9a0c..fb867fb 100644 (file)
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -338,8 +338,7 @@ except AttributeError:
 
 class IOBase(metaclass=abc.ABCMeta):
 
-    """The abstract base class for all I/O classes, acting on streams of
-    bytes. There is no public constructor.
+    """The abstract base class for all I/O classes.
 
     This class provides dummy implementations for many methods that
     derived classes can override selectively; the default implementations
@@ -1845,7 +1844,7 @@ class TextIOBase(IOBase):
     """Base class for text I/O.
 
     This class provides a character and line based interface to stream
-    I/O. There is no public constructor.
+    I/O.
     """
 
     def read(self, size=-1):

diff --git a/Lib/argparse.py b/Lib/argparse.py
index e177e4f..2c0dd85 100644 (file)
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -726,7 +726,7 @@ def _get_action_name(argument):
     if argument is None:
         return None
     elif argument.option_strings:
-        return  '/'.join(argument.option_strings)
+        return '/'.join(argument.option_strings)
     elif argument.metavar not in (None, SUPPRESS):
         return argument.metavar
     elif argument.dest not in (None, SUPPRESS):
@@ -878,7 +878,7 @@ class BooleanOptionalAction(Action):
                 option_string = '--no-' + option_string[2:]
                 _option_strings.append(option_string)
 
-        if help is not None and default is not None:
+        if help is not None and default is not None and default is not SUPPRESS:
             help += " (default: %(default)s)"
 
         super().__init__(
@@ -1256,9 +1256,9 @@ class FileType(object):
         # the special argument "-" means sys.std{in,out}
         if string == '-':
             if 'r' in self._mode:
-                return _sys.stdin
-            elif 'w' in self._mode:
-                return _sys.stdout
+                return _sys.stdin.buffer if 'b' in self._mode else _sys.stdin
+            elif any(c in self._mode for c in 'wax'):
+                return _sys.stdout.buffer if 'b' in self._mode else _sys.stdout
             else:
                 msg = _('argument "-" with mode %r') % self._mode
                 raise ValueError(msg)

diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index f726e91..952da11 100644 (file)
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -49,7 +49,7 @@ from . import trsock
 from .log import logger
 
 
-__all__ = 'BaseEventLoop',
+__all__ = 'BaseEventLoop','Server',
 
 
 # Minimum number of _scheduled timer handles before cleanup of
@@ -202,6 +202,11 @@ else:
         pass
 
 
+def _check_ssl_socket(sock):
+    if ssl is not None and isinstance(sock, ssl.SSLSocket):
+        raise TypeError("Socket cannot be of type SSLSocket")
+
+
 class _SendfileFallbackProtocol(protocols.Protocol):
     def __init__(self, transp):
         if not isinstance(transp, transports._FlowControlMixin):
@@ -863,6 +868,7 @@ class BaseEventLoop(events.AbstractEventLoop):
                             *, fallback=True):
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
+        _check_ssl_socket(sock)
         self._check_sendfile_params(sock, file, offset, count)
         try:
             return await self._sock_sendfile_native(sock, file,
@@ -1004,6 +1010,9 @@ class BaseEventLoop(events.AbstractEventLoop):
             raise ValueError(
                 'ssl_handshake_timeout is only meaningful with ssl')
 
+        if sock is not None:
+            _check_ssl_socket(sock)
+
         if happy_eyeballs_delay is not None and interleave is None:
             # If using happy eyeballs, default to interleave addresses by family
             interleave = 1
@@ -1437,6 +1446,9 @@ class BaseEventLoop(events.AbstractEventLoop):
             raise ValueError(
                 'ssl_handshake_timeout is only meaningful with ssl')
 
+        if sock is not None:
+            _check_ssl_socket(sock)
+
         if host is not None or port is not None:
             if sock is not None:
                 raise ValueError(
@@ -1531,6 +1543,9 @@ class BaseEventLoop(events.AbstractEventLoop):
             raise ValueError(
                 'ssl_handshake_timeout is only meaningful with ssl')
 
+        if sock is not None:
+            _check_ssl_socket(sock)
+
         transport, protocol = await self._create_connection_transport(
             sock, protocol_factory, ssl, '', server_side=True,
             ssl_handshake_timeout=ssl_handshake_timeout)

diff --git a/Lib/asyncio/futures.py b/Lib/asyncio/futures.py
index 10f8f05..8e8cd87 100644 (file)
--- a/Lib/asyncio/futures.py
+++ b/Lib/asyncio/futures.py
@@ -8,6 +8,7 @@ import concurrent.futures
 import contextvars
 import logging
 import sys
+from types import GenericAlias
 
 from . import base_futures
 from . import events
@@ -106,8 +107,7 @@ class Future:
             context['source_traceback'] = self._source_traceback
         self._loop.call_exception_handler(context)
 
-    def __class_getitem__(cls, type):
-        return cls
+    __class_getitem__ = classmethod(GenericAlias)
 
     @property
     def _log_traceback(self):

diff --git a/Lib/asyncio/proactor_events.py b/Lib/asyncio/proactor_events.py
index 45c11ee..411685b 100644 (file)
--- a/Lib/asyncio/proactor_events.py
+++ b/Lib/asyncio/proactor_events.py
@@ -158,7 +158,7 @@ class _ProactorBasePipeTransport(transports._FlowControlMixin,
             # end then it may fail with ERROR_NETNAME_DELETED if we
             # just close our end.  First calling shutdown() seems to
             # cure it, but maybe using DisconnectEx() would be better.
-            if hasattr(self._sock, 'shutdown'):
+            if hasattr(self._sock, 'shutdown') and self._sock.fileno() != -1:
                 self._sock.shutdown(socket.SHUT_RDWR)
             self._sock.close()
             self._sock = None
@@ -452,7 +452,8 @@ class _ProactorWritePipeTransport(_ProactorBaseWritePipeTransport):
             self.close()
 
 
-class _ProactorDatagramTransport(_ProactorBasePipeTransport):
+class _ProactorDatagramTransport(_ProactorBasePipeTransport,
+                                 transports.DatagramTransport):
     max_size = 256 * 1024
     def __init__(self, loop, sock, protocol, address=None,
                  waiter=None, extra=None):

diff --git a/Lib/asyncio/protocols.py b/Lib/asyncio/protocols.py
index 69fa43e..09987b1 100644 (file)
--- a/Lib/asyncio/protocols.py
+++ b/Lib/asyncio/protocols.py
@@ -109,10 +109,6 @@ class Protocol(BaseProtocol):
 class BufferedProtocol(BaseProtocol):
     """Interface for stream protocol with manual buffer control.
 
-    Important: this has been added to asyncio in Python 3.7
-    *on a provisional basis*!  Consider it as an experimental API that
-    might be changed or removed in Python 3.8.
-
     Event methods, such as `create_server` and `create_connection`,
     accept factories that return protocols that implement this interface.
 

diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index a87ec8b..10dd689 100644 (file)
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -2,6 +2,7 @@ __all__ = ('Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty')
 
 import collections
 import heapq
+from types import GenericAlias
 
 from . import locks
 from . import mixins
@@ -69,8 +70,7 @@ class Queue(mixins._LoopBoundMixin):
     def __str__(self):
         return f'<{type(self).__name__} {self._format()}>'
 
-    def __class_getitem__(cls, type):
-        return cls
+    __class_getitem__ = classmethod(GenericAlias)
 
     def _format(self):
         result = f'maxsize={self._maxsize!r}'

diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index 59cb6b1..71080b8 100644 (file)
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -40,11 +40,6 @@ def _test_selector_event(selector, fd, event):
         return bool(key.events & event)
 
 
-def _check_ssl_socket(sock):
-    if ssl is not None and isinstance(sock, ssl.SSLSocket):
-        raise TypeError("Socket cannot be of type SSLSocket")
-
-
 class BaseSelectorEventLoop(base_events.BaseEventLoop):
     """Selector event loop.
 
@@ -357,7 +352,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
         The maximum amount of data to be received at once is specified by
         nbytes.
         """
-        _check_ssl_socket(sock)
+        base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
         try:
@@ -398,7 +393,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
         The received data is written into *buf* (a writable buffer).
         The return value is the number of bytes written.
         """
-        _check_ssl_socket(sock)
+        base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
         try:
@@ -439,7 +434,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
         raised, and there is no way to determine how much data, if any, was
         successfully processed by the receiving end of the connection.
         """
-        _check_ssl_socket(sock)
+        base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
         try:
@@ -488,13 +483,15 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
 
         This method is a coroutine.
         """
-        _check_ssl_socket(sock)
+        base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
 
         if not hasattr(socket, 'AF_UNIX') or sock.family != socket.AF_UNIX:
             resolved = await self._ensure_resolved(
-                address, family=sock.family, proto=sock.proto, loop=self)
+                address, family=sock.family, type=sock.type, proto=sock.proto,
+                loop=self,
+            )
             _, _, _, _, address = resolved[0]
 
         fut = self.create_future()
@@ -553,7 +550,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
         object usable to send and receive data on the connection, and address
         is the address bound to the socket on the other end of the connection.
         """
-        _check_ssl_socket(sock)
+        base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:
             raise ValueError("the socket must be non-blocking")
         fut = self.create_future()

diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py
index cad25b2..00fc16c 100644 (file)
--- a/Lib/asyncio/sslproto.py
+++ b/Lib/asyncio/sslproto.py
@@ -367,6 +367,12 @@ class _SSLProtocolTransport(transports._FlowControlMixin,
         """Return the current size of the write buffer."""
         return self._ssl_protocol._transport.get_write_buffer_size()
 
+    def get_write_buffer_limits(self):
+        """Get the high and low watermarks for write flow control. 
+        Return a tuple (low, high) where low and high are 
+        positive number of bytes."""
+        return self._ssl_protocol._transport.get_write_buffer_limits()
+
     @property
     def _protocol_paused(self):
         # Required for sendfile fallback pause_writing/resume_writing logic

diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py
index 53eef84..c4bedb5 100644 (file)
--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -17,6 +17,7 @@ import itertools
 import types
 import warnings
 import weakref
+from types import GenericAlias
 
 from . import base_tasks
 from . import coroutines
@@ -123,8 +124,7 @@ class Task(futures._PyFuture):  # Inherit Python Task implementation
             self._loop.call_exception_handler(context)
         super().__del__()
 
-    def __class_getitem__(cls, type):
-        return cls
+    __class_getitem__ = classmethod(GenericAlias)
 
     def _repr_info(self):
         return base_tasks._task_repr_info(self)
@@ -621,17 +621,23 @@ def _ensure_future(coro_or_future, *, loop=None):
             raise ValueError('The future belongs to a different loop than '
                             'the one specified as the loop argument')
         return coro_or_future
-
+    called_wrap_awaitable = False
     if not coroutines.iscoroutine(coro_or_future):
         if inspect.isawaitable(coro_or_future):
             coro_or_future = _wrap_awaitable(coro_or_future)
+            called_wrap_awaitable = True
         else:
             raise TypeError('An asyncio.Future, a coroutine or an awaitable '
                             'is required')
 
     if loop is None:
         loop = events._get_event_loop(stacklevel=4)
-    return loop.create_task(coro_or_future)
+    try:
+        return loop.create_task(coro_or_future)
+    except RuntimeError: 
+        if not called_wrap_awaitable:
+            coro_or_future.close()
+        raise
 
 
 @types.coroutine
@@ -715,7 +721,7 @@ def gather(*coros_or_futures, return_exceptions=False):
         nonlocal nfinished
         nfinished += 1
 
-        if outer.done():
+        if outer is None or outer.done():
             if not fut.cancelled():
                 # Mark exception retrieved.
                 fut.exception()
@@ -771,6 +777,7 @@ def gather(*coros_or_futures, return_exceptions=False):
     nfuts = 0
     nfinished = 0
     loop = None
+    outer = None  # bpo-46672
     for arg in coros_or_futures:
         if arg not in arg_to_fut:
             fut = _ensure_future(arg, loop=loop)

diff --git a/Lib/asyncio/transports.py b/Lib/asyncio/transports.py
index 45e155c..73b1fa2 100644 (file)
--- a/Lib/asyncio/transports.py
+++ b/Lib/asyncio/transports.py
@@ -99,6 +99,12 @@ class WriteTransport(BaseTransport):
         """Return the current size of the write buffer."""
         raise NotImplementedError
 
+    def get_write_buffer_limits(self):
+        """Get the high and low watermarks for write flow control. 
+        Return a tuple (low, high) where low and high are 
+        positive number of bytes."""
+        raise NotImplementedError
+
     def write(self, data):
         """Write some data bytes to the transport.
 

diff --git a/Lib/calendar.py b/Lib/calendar.py
index 7311a01..cbea9ec 100644 (file)
--- a/Lib/calendar.py
+++ b/Lib/calendar.py
@@ -15,7 +15,9 @@ __all__ = ["IllegalMonthError", "IllegalWeekdayError", "setfirstweekday",
            "monthcalendar", "prmonth", "month", "prcal", "calendar",
            "timegm", "month_name", "month_abbr", "day_name", "day_abbr",
            "Calendar", "TextCalendar", "HTMLCalendar", "LocaleTextCalendar",
-           "LocaleHTMLCalendar", "weekheader"]
+           "LocaleHTMLCalendar", "weekheader",
+           "MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY",
+           "SATURDAY", "SUNDAY"]
 
 # Exception raised for bad input (with string parameter for details)
 error = ValueError

diff --git a/Lib/codeop.py b/Lib/codeop.py
index 6b56be4..568e9bb 100644 (file)
--- a/Lib/codeop.py
+++ b/Lib/codeop.py
@@ -10,30 +10,6 @@ and:
   syntax error (OverflowError and ValueError can be produced by
   malformed literals).
 
-Approach:
-
-First, check if the source consists entirely of blank lines and
-comments; if so, replace it with 'pass', because the built-in
-parser doesn't always do the right thing for these.
-
-Compile three times: as is, with \n, and with \n\n appended.  If it
-compiles as is, it's complete.  If it compiles with one \n appended,
-we expect more.  If it doesn't compile either way, we compare the
-error we get when compiling with \n or \n\n appended.  If the errors
-are the same, the code is broken.  But if the errors are different, we
-expect more.  Not intuitive; not even guaranteed to hold in future
-releases; but this matches the compiler's behavior from Python 1.4
-through 2.2, at least.
-
-Caveat:
-
-It is possible (but not likely) that the parser stops parsing with a
-successful outcome before reaching the end of the source; in this
-case, trailing symbols may be ignored instead of causing an error.
-For example, a backslash followed by two newlines may be followed by
-arbitrary garbage.  This will be fixed once the API for the parser is
-better.
-
 The two interfaces are:
 
 compile_command(source, filename, symbol):
@@ -64,7 +40,11 @@ _features = [getattr(__future__, fname)
 
 __all__ = ["compile_command", "Compile", "CommandCompiler"]
 
-PyCF_DONT_IMPLY_DEDENT = 0x200          # Matches pythonrun.h.
+# The following flags match the values from Include/cpython/compile.h
+# Caveat emptor: These flags are undocumented on purpose and depending
+# on their effect outside the standard library is **unsupported**.
+PyCF_DONT_IMPLY_DEDENT = 0x200          
+PyCF_ALLOW_INCOMPLETE_INPUT = 0x4000
 
 def _maybe_compile(compiler, source, filename, symbol):
     # Check for source consisting of only blank lines and comments.
@@ -86,24 +66,12 @@ def _maybe_compile(compiler, source, filename, symbol):
     with warnings.catch_warnings():
         warnings.simplefilter("error")
 
-        code1 = err1 = err2 = None
-        try:
-            code1 = compiler(source + "\n", filename, symbol)
-        except SyntaxError as e:
-            err1 = e
-
         try:
-            code2 = compiler(source + "\n\n", filename, symbol)
+            compiler(source + "\n", filename, symbol)
         except SyntaxError as e:
-            err2 = e
-
-    try:
-        if not code1 and _is_syntax_error(err1, err2):
-            raise err1
-        else:
-            return None
-    finally:
-        err1 = err2 = None
+            if "incomplete input" in str(e):
+                return None
+            raise
 
 def _is_syntax_error(err1, err2):
     rep1 = repr(err1)
@@ -115,7 +83,7 @@ def _is_syntax_error(err1, err2):
     return False
 
 def _compile(source, filename, symbol):
-    return compile(source, filename, symbol, PyCF_DONT_IMPLY_DEDENT)
+    return compile(source, filename, symbol, PyCF_DONT_IMPLY_DEDENT | PyCF_ALLOW_INCOMPLETE_INPUT)
 
 def compile_command(source, filename="<input>", symbol="single"):
     r"""Compile a command and determine whether it is incomplete.
@@ -144,7 +112,7 @@ class Compile:
     statement, it "remembers" and compiles all subsequent program texts
     with the statement in force."""
     def __init__(self):
-        self.flags = PyCF_DONT_IMPLY_DEDENT
+        self.flags = PyCF_DONT_IMPLY_DEDENT | PyCF_ALLOW_INCOMPLETE_INPUT
 
     def __call__(self, source, filename, symbol):
         codeob = compile(source, filename, symbol, self.flags, True)

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index bae0805..818588f 100644 (file)
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -766,6 +766,10 @@ class Counter(dict):
     # To strip negative and zero counts, add-in an empty counter:
     #       c += Counter()
     #
+    # Results are ordered according to when an element is first
+    # encountered in the left operand and then by the order
+    # encountered in the right operand.
+    #
     # When the multiplicities are all zero or one, multiset operations
     # are guaranteed to be equivalent to the corresponding operations
     # for regular sets.

diff --git a/Lib/configparser.py b/Lib/configparser.py
index 042a5c7..3470624 100644 (file)
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -316,7 +316,7 @@ class ParsingError(Error):
     def filename(self):
         """Deprecated, use `source'."""
         warnings.warn(
-            "The 'filename' attribute will be removed in future versions.  "
+            "The 'filename' attribute will be removed in Python 3.12. "
             "Use 'source' instead.",
             DeprecationWarning, stacklevel=2
         )
@@ -326,7 +326,7 @@ class ParsingError(Error):
     def filename(self, value):
         """Deprecated, user `source'."""
         warnings.warn(
-            "The 'filename' attribute will be removed in future versions.  "
+            "The 'filename' attribute will be removed in Python 3.12. "
             "Use 'source' instead.",
             DeprecationWarning, stacklevel=2
         )
@@ -757,7 +757,7 @@ class RawConfigParser(MutableMapping):
     def readfp(self, fp, filename=None):
         """Deprecated, use read_file instead."""
         warnings.warn(
-            "This method will be removed in future versions.  "
+            "This method will be removed in Python 3.12. "
             "Use 'parser.read_file()' instead.",
             DeprecationWarning, stacklevel=2
         )
@@ -1232,7 +1232,7 @@ class SafeConfigParser(ConfigParser):
         super().__init__(*args, **kwargs)
         warnings.warn(
             "The SafeConfigParser class has been renamed to ConfigParser "
-            "in Python 3.2. This alias will be removed in future versions."
+            "in Python 3.2. This alias will be removed in Python 3.12."
             " Use ConfigParser directly instead.",
             DeprecationWarning, stacklevel=2
         )

diff --git a/Lib/ctypes/test/test_bitfields.py b/Lib/ctypes/test/test_bitfields.py
index 992b8c4..66acd62 100644 (file)
--- a/Lib/ctypes/test/test_bitfields.py
+++ b/Lib/ctypes/test/test_bitfields.py
@@ -1,5 +1,6 @@
 from ctypes import *
 from ctypes.test import need_symbol
+from test import support
 import unittest
 import os
 
@@ -39,6 +40,8 @@ class C_Test(unittest.TestCase):
                 setattr(b, name, i)
                 self.assertEqual(getattr(b, name), func(byref(b), name.encode('ascii')))
 
+    # bpo-46913: _ctypes/cfield.c h_get() has an undefined behavior
+    @support.skip_if_sanitizer(ub=True)
     def test_shorts(self):
         b = BITS()
         name = "M"

diff --git a/Lib/ctypes/test/test_python_api.py b/Lib/ctypes/test/test_python_api.py
index 9c13746..49571f9 100644 (file)
--- a/Lib/ctypes/test/test_python_api.py
+++ b/Lib/ctypes/test/test_python_api.py
@@ -1,5 +1,5 @@
 from ctypes import *
-import unittest, sys
+import unittest
 from test import support
 
 ################################################################
@@ -10,10 +10,6 @@ from _ctypes import PyObj_FromPtr
 ################################################################
 
 from sys import getrefcount as grc
-if sys.version_info > (2, 4):
-    c_py_ssize_t = c_size_t
-else:
-    c_py_ssize_t = c_int
 
 class PythonAPITestCase(unittest.TestCase):
 
@@ -21,7 +17,7 @@ class PythonAPITestCase(unittest.TestCase):
         PyBytes_FromStringAndSize = pythonapi.PyBytes_FromStringAndSize
 
         PyBytes_FromStringAndSize.restype = py_object
-        PyBytes_FromStringAndSize.argtypes = c_char_p, c_py_ssize_t
+        PyBytes_FromStringAndSize.argtypes = c_char_p, c_size_t
 
         self.assertEqual(PyBytes_FromStringAndSize(b"abcdefghi", 3), b"abc")
 

diff --git a/Lib/ensurepip/__init__.py b/Lib/ensurepip/__init__.py
index 0a5730c..3fbe8b2 100644 (file)
--- a/Lib/ensurepip/__init__.py
+++ b/Lib/ensurepip/__init__.py
@@ -12,7 +12,7 @@ from importlib import resources
 __all__ = ["version", "bootstrap"]
 _PACKAGE_NAMES = ('setuptools', 'pip')
 _SETUPTOOLS_VERSION = "58.1.0"
-_PIP_VERSION = "21.2.4"
+_PIP_VERSION = "22.0.4"
 _PROJECTS = [
     ("setuptools", _SETUPTOOLS_VERSION, "py3"),
     ("pip", _PIP_VERSION, "py3"),

diff --git a/Lib/ensurepip/_bundled/pip-21.2.4-py3-none-any.whl b/Lib/ensurepip/_bundled/pip-21.2.4-py3-none-any.whl
deleted file mode 100644 (file)
index 46d3012..0000000
Binary files a/Lib/ensurepip/_bundled/pip-21.2.4-py3-none-any.whl and /dev/null differ

diff --git a/Lib/ensurepip/_bundled/pip-22.0.4-py3-none-any.whl b/Lib/ensurepip/_bundled/pip-22.0.4-py3-none-any.whl
new file mode 100644 (file)
index 0000000..7ba048e
Binary files /dev/null and b/Lib/ensurepip/_bundled/pip-22.0.4-py3-none-any.whl differ

diff --git a/Lib/http/server.py b/Lib/http/server.py
index e985dfd..58abadf 100644 (file)
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -103,8 +103,6 @@ import socketserver
 import sys
 import time
 import urllib.parse
-import contextlib
-from functools import partial
 
 from http import HTTPStatus
 
@@ -1239,7 +1237,6 @@ def test(HandlerClass=BaseHTTPRequestHandler,
 
     """
     ServerClass.address_family, addr = _get_best_family(bind, port)
-
     HandlerClass.protocol_version = protocol
     with ServerClass(addr, HandlerClass) as httpd:
         host, port = httpd.socket.getsockname()[:2]
@@ -1256,29 +1253,29 @@ def test(HandlerClass=BaseHTTPRequestHandler,
 
 if __name__ == '__main__':
     import argparse
+    import contextlib
 
     parser = argparse.ArgumentParser()
     parser.add_argument('--cgi', action='store_true',
-                       help='Run as CGI Server')
+                        help='run as CGI server')
     parser.add_argument('--bind', '-b', metavar='ADDRESS',
-                        help='Specify alternate bind address '
-                             '[default: all interfaces]')
+                        help='specify alternate bind address '
+                             '(default: all interfaces)')
     parser.add_argument('--directory', '-d', default=os.getcwd(),
-                        help='Specify alternative directory '
-                        '[default:current directory]')
-    parser.add_argument('port', action='store',
-                        default=8000, type=int,
+                        help='specify alternate directory '
+                             '(default: current directory)')
+    parser.add_argument('port', action='store', default=8000, type=int,
                         nargs='?',
-                        help='Specify alternate port [default: 8000]')
+                        help='specify alternate port (default: 8000)')
     args = parser.parse_args()
     if args.cgi:
         handler_class = CGIHTTPRequestHandler
     else:
-        handler_class = partial(SimpleHTTPRequestHandler,
-                                directory=args.directory)
+        handler_class = SimpleHTTPRequestHandler
 
     # ensure dual-stack is not disabled; ref #38907
     class DualStackServer(ThreadingHTTPServer):
+
         def server_bind(self):
             # suppress exception when protocol is IPv4
             with contextlib.suppress(Exception):
@@ -1286,6 +1283,10 @@ if __name__ == '__main__':
                     socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
             return super().server_bind()
 
+        def finish_request(self, request, client_address):
+            self.RequestHandlerClass(request, client_address, self,
+                                     directory=args.directory)
+
     test(
         HandlerClass=handler_class,
         ServerClass=DualStackServer,

diff --git a/Lib/idlelib/Icons/idle_16.gif b/Lib/idlelib/Icons/idle_16.gif
index 9f001b1..bcedcd6 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_16.gif and b/Lib/idlelib/Icons/idle_16.gif differ

diff --git a/Lib/idlelib/Icons/idle_16.png b/Lib/idlelib/Icons/idle_16.png
index 6abde0a..77d8f71 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_16.png and b/Lib/idlelib/Icons/idle_16.png differ

diff --git a/Lib/idlelib/Icons/idle_256.png b/Lib/idlelib/Icons/idle_256.png
index 99ffa6f..64f276b 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_256.png and b/Lib/idlelib/Icons/idle_256.png differ

diff --git a/Lib/idlelib/Icons/idle_32.gif b/Lib/idlelib/Icons/idle_32.gif
index af5b2d5..a1b12a0 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_32.gif and b/Lib/idlelib/Icons/idle_32.gif differ

diff --git a/Lib/idlelib/Icons/idle_32.png b/Lib/idlelib/Icons/idle_32.png
index 41b70db..2aaa558 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_32.png and b/Lib/idlelib/Icons/idle_32.png differ

diff --git a/Lib/idlelib/Icons/idle_48.png b/Lib/idlelib/Icons/idle_48.png
index e5fa928..705eec4 100644 (file)
Binary files a/Lib/idlelib/Icons/idle_48.png and b/Lib/idlelib/Icons/idle_48.png differ

diff --git a/Lib/idlelib/Icons/minusnode.gif b/Lib/idlelib/Icons/minusnode.gif
index c72e46f..173e970 100644 (file)
Binary files a/Lib/idlelib/Icons/minusnode.gif and b/Lib/idlelib/Icons/minusnode.gif differ

diff --git a/Lib/idlelib/Icons/plusnode.gif b/Lib/idlelib/Icons/plusnode.gif
index 13ace90..abedde0 100644 (file)
Binary files a/Lib/idlelib/Icons/plusnode.gif and b/Lib/idlelib/Icons/plusnode.gif differ

diff --git a/Lib/idlelib/Icons/python.gif b/Lib/idlelib/Icons/python.gif
index b189c2c..01b13e3 100644 (file)
Binary files a/Lib/idlelib/Icons/python.gif and b/Lib/idlelib/Icons/python.gif differ

diff --git a/Lib/idlelib/Icons/tk.gif b/Lib/idlelib/Icons/tk.gif
index a603f5e..03bf383 100644 (file)
Binary files a/Lib/idlelib/Icons/tk.gif and b/Lib/idlelib/Icons/tk.gif differ

diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 396820e..424e971 100644 (file)
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,12 +1,56 @@
+What's New in IDLE 3.10.z
+after 3.10.0 until 3.10.?
+Released on 2022-05-16
+=========================
+
+
+bpo-28950: Apply IDLE syntax highlighting to `.pyi` files.  Add util.py
+for common components.  Patch by Alex Waygood and Terry Jan Reedy.
+
+bpo-46630: Make query dialogs on Windows start with a cursor in the
+entry box.
+
+bpo-46591: Make the IDLE doc URL on the About IDLE dialog clickable.
+
+bpo-45296: Clarify close, quit, and exit in IDLE.  In the File menu,
+'Close' and 'Exit' are now 'Close Window' (the current one) and 'Exit'
+is now 'Exit IDLE' (by closing all windows).  In Shell, 'quit()' and
+'exit()' mean 'close Shell'.  If there are no other windows,
+this also exits IDLE.
+
+bpo-45495: Add context keywords 'case' and 'match' to completions list.
+
+bpo-45296: On Windows, change exit/quit message to suggest Ctrl-D, which
+works, instead of <Ctrl-Z Return>, which does not work in IDLE.
+
+
 What's New in IDLE 3.10.0
 (since 3.9.0)
-Released on 2021-10-04?
+Released on 2021-10-04
 =========================
 
 
+bpo-40128: Mostly fix completions on macOS when not using tcl/tk 8.6.11
+(as with 3.9).
+
+bpo-33962: Move the indent space setting from the Font tab to the new Windows
+tab. Patch by Mark Roseman and Terry Jan Reedy.
+
+bpo-40468: Split the settings dialog General tab into Windows and Shell/Ed
+tabs. Move help sources, which extend the Help menu, to the Extensions tab.
+Make space for new options and shorten the dialog. The latter makes the
+dialog better fit small screens.
+
+bpo-44010: Highlight the new match statement's soft keywords: match, case,
+and _. This highlighting is not perfect and will be incorrect in some rare
+cases, especially for some _s in case patterns.
+
 bpo-44026: Include interpreter's typo fix suggestions in message line
 for NameErrors and AttributeErrors.  Patch by E. Paine.
 
+bpo-41611: Avoid occasional uncaught exceptions and freezing when using
+completions on macOS.
+
 bpo-37903: Add mouse actions to the shell sidebar.  Left click and
 optional drag selects one or more lines of text, as with the
 editor line number sidebar.  Right click after selecting text lines
@@ -14,6 +58,9 @@ displays a context menu with 'copy with prompts'.  This zips together
 prompts from the sidebar with lines from the selected text.  This option
 also appears on the context menu for the text.
 
+bpo-43981: Fix reference leaks in test_sidebar and test_squeezer.
+Patches by Terry Jan Reedy and Pablo Galindo
+
 bpo-37892: Change Shell input indents from tabs to spaces.  Shell input
 now 'looks right'.  Making this feasible motivated the shell sidebar.
 
@@ -22,6 +69,9 @@ bpo-37903: Move the Shell input prompt to a side bar.
 bpo-43655: Make window managers on macOS and X Window recognize
 IDLE dialog windows as dialogs.
 
+bpo-42225: Document that IDLE can fail on Unix either from misconfigured IP
+masquerade rules or failure displaying complex colored (non-ascii) characters.
+
 bpo-43283: Document why printing to IDLE's Shell is often slower than
 printing to a system terminal and that it can be made faster by
 pre-formatting a single string before printing.
@@ -50,6 +100,12 @@ by using inspect.getdoc.
 bpo-33987: Mostly finish using ttk widgets, mainly for editor,
 settings, and searches.  Some patches by Mark Roseman.
 
+bpo-40511: Stop unnecessary "flashing" when typing opening and closing
+parentheses inside the parentheses of a function call.
+
+bpo-38439: Add a 256x256 pixel IDLE icon to the Windows .ico file. Created by
+Andrew Clover. Remove the low-color gif variations from the .ico file.
+
 bpo-41775: Make 'IDLE Shell' the shell title.
 
 bpo-35764: Rewrite the Calltips doc section.

diff --git a/Lib/idlelib/README.txt b/Lib/idlelib/README.txt
index bc3d978..8870fda 100644 (file)
--- a/Lib/idlelib/README.txt
+++ b/Lib/idlelib/README.txt
@@ -82,6 +82,7 @@ tabbedpages.py    # Define tabbed pages widget (nim).
 textview.py       # Define read-only text widget (nim).
 tree.py           # Define tree widget, used in browsers (nim).
 undo.py           # Manage undo stack.
+util.py           # Define objects imported elsewhere with no dependencies (nim)
 windows.py        # Manage window list and define listed top level.
 zoomheight.py     # Zoom window to full height of screen.
 

diff --git a/Lib/idlelib/editor.py b/Lib/idlelib/editor.py
index fcc8a3f..6c52efd 100644 (file)
--- a/Lib/idlelib/editor.py
+++ b/Lib/idlelib/editor.py
@@ -27,6 +27,7 @@ from idlelib import query
 from idlelib import replace
 from idlelib import search
 from idlelib.tree import wheel_event
+from idlelib.util import py_extensions
 from idlelib import window
 
 # The default tab setting for a Text widget, in average-width characters.
@@ -757,7 +758,7 @@ class EditorWindow:
         if not filename or os.path.isdir(filename):
             return True
         base, ext = os.path.splitext(os.path.basename(filename))
-        if os.path.normcase(ext) in (".py", ".pyw"):
+        if os.path.normcase(ext) in py_extensions:
             return True
         line = self.text.get('1.0', '1.0 lineend')
         return line.startswith('#!') and 'python' in line

diff --git a/Lib/idlelib/help.html b/Lib/idlelib/help.html
index 2468afa..41626ec 100644 (file)
--- a/Lib/idlelib/help.html
+++ b/Lib/idlelib/help.html
@@ -5,7 +5,7 @@
   <head>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>IDLE &#8212; Python 3.11.0a0 documentation</title>
+    <title>IDLE &#8212; Python 3.11.0a4 documentation</title>
     <link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
 
@@ -18,7 +18,7 @@
     <script src="../_static/sidebar.js"></script>
 
     <link rel="search" type="application/opensearchdescription+xml"
-          title="Search within Python 3.11.0a0 documentation"
+          title="Search within Python 3.11.0a4 documentation"
           href="../_static/opensearch.xml"/>
     <link rel="author" title="About these documents" href="../about.html" />
     <link rel="index" title="Index" href="../genindex.html" />
@@ -71,7 +71,7 @@
 
 
     <li id="cpython-language-and-version">
-      <a href="../index.html">3.11.0a0 Documentation</a> &#187;
+      <a href="../index.html">3.11.0a4 Documentation</a> &#187;
     </li>
 
           <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> &#187;</li>
@@ -163,9 +163,11 @@ file.</p>
 </dd>
 <dt>Print Window</dt><dd><p>Print the current window to the default printer.</p>
 </dd>
-<dt>Close</dt><dd><p>Close the current window (ask to save if unsaved).</p>
+<dt>Close Window</dt><dd><p>Close the current window (if an unsaved editor, ask to save; if an unsaved
+Shell, ask to quit execution).  Calling <code class="docutils literal notranslate"><span class="pre">exit()</span></code> or <code class="docutils literal notranslate"><span class="pre">close()</span></code> in the Shell
+window also closes Shell.  If this is the only window, also exit IDLE.</p>
 </dd>
-<dt>Exit</dt><dd><p>Close all windows and quit IDLE (ask to save unsaved windows).</p>
+<dt>Exit IDLE</dt><dd><p>Close all windows and quit IDLE (ask to save unsaved edit windows).</p>
 </dd>
 </dl>
 </div>
@@ -976,7 +978,7 @@ also used for testing.</p>
 
 
     <li id="cpython-language-and-version">
-      <a href="../index.html">3.11.0a0 Documentation</a> &#187;
+      <a href="../index.html">3.11.0a4 Documentation</a> &#187;
     </li>
 
           <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> &#187;</li>
@@ -1000,7 +1002,7 @@ also used for testing.</p>
       </ul>
     </div>
     <div class="footer">
-    &copy; <a href="../copyright.html">Copyright</a> 2001-2021, Python Software Foundation.
+    &copy; <a href="../copyright.html">Copyright</a> 2001-2022, Python Software Foundation.
     <br />
 
     The Python Software Foundation is a non-profit corporation.
@@ -1008,8 +1010,8 @@ also used for testing.</p>
 <br />
     <br />
 
-    Last updated on Sep 06, 2021.
-    <a href="https://docs.python.org/3/bugs.html">Found a bug</a>?
+    Last updated on Jan 26, 2022.
+    <a href="/bugs.html">Found a bug</a>?
     <br />
 
     Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 3.2.1.

diff --git a/Lib/idlelib/help_about.py b/Lib/idlelib/help_about.py
index 019aacb..c59f494 100644 (file)
--- a/Lib/idlelib/help_about.py
+++ b/Lib/idlelib/help_about.py
@@ -3,6 +3,7 @@
 """
 import os
 import sys
+import webbrowser
 from platform import python_version, architecture
 
 from tkinter import Toplevel, Frame, Label, Button, PhotoImage
@@ -94,6 +95,7 @@ class AboutDialog(Toplevel):
                      f"{version[:version.rindex('.')]}/library/idle.html",
                      justify=LEFT, fg=self.fg, bg=self.bg)
         docs.grid(row=7, column=0, columnspan=2, sticky=W, padx=10, pady=0)
+        docs.bind("<Button-1>", lambda event: webbrowser.open(docs['text']))
 
         Frame(frame_background, borderwidth=1, relief=SUNKEN,
               height=2, bg=self.bg).grid(row=8, column=0, sticky=EW,

diff --git a/Lib/idlelib/idle_test/example_noext b/Lib/idlelib/idle_test/example_noext
new file mode 100644 (file)
index 0000000..7d2510e
--- /dev/null
+++ b/Lib/idlelib/idle_test/example_noext
@@ -0,0 +1,4 @@
+#!usr/bin/env python
+
+def example_function(some_argument):
+    pass

diff --git a/Lib/idlelib/idle_test/example_stub.pyi b/Lib/idlelib/idle_test/example_stub.pyi
new file mode 100644 (file)
index 0000000..a9811a7
--- /dev/null
+++ b/Lib/idlelib/idle_test/example_stub.pyi
@@ -0,0 +1,2 @@
+class Example:
+    def method(self, argument1: str, argument2: list[int]) -> None: ...

diff --git a/Lib/idlelib/idle_test/htest.py b/Lib/idlelib/idle_test/htest.py
index 666ff4c..d297f8a 100644 (file)
--- a/Lib/idlelib/idle_test/htest.py
+++ b/Lib/idlelib/idle_test/htest.py
@@ -77,8 +77,8 @@ AboutDialog_spec = {
     'kwds': {'title': 'help_about test',
              '_htest': True,
              },
-    'msg': "Test every button. Ensure Python, TK and IDLE versions "
-           "are correctly displayed.\n [Close] to exit.",
+    'msg': "Click on URL to open in default browser.\n"
+           "Verify x.y.z versions and test each button, including Close.\n "
     }
 
 # TODO implement ^\; adding '<Control-Key-\\>' to function does not work.

diff --git a/Lib/idlelib/idle_test/test_calltip.py b/Lib/idlelib/idle_test/test_calltip.py
index b23915c..e8d2bd1 100644 (file)
--- a/Lib/idlelib/idle_test/test_calltip.py
+++ b/Lib/idlelib/idle_test/test_calltip.py
@@ -106,7 +106,7 @@ subclasses to override in order to tweak the default behaviour.
 If you want to completely replace the main wrapping algorithm,
 you\'ll probably have to override _wrap_chunks().''')
 
-    def test_properly_formated(self):
+    def test_properly_formatted(self):
 
         def foo(s='a'*100):
             pass

diff --git a/Lib/idlelib/idle_test/test_iomenu.py b/Lib/idlelib/idle_test/test_iomenu.py
index 99f4048..e338893 100644 (file)
--- a/Lib/idlelib/idle_test/test_iomenu.py
+++ b/Lib/idlelib/idle_test/test_iomenu.py
@@ -1,6 +1,6 @@
 "Test , coverage 17%."
 
-from idlelib import iomenu
+from idlelib import iomenu, util
 import unittest
 from test.support import requires
 from tkinter import Tk
@@ -45,5 +45,27 @@ class IOBindingTest(unittest.TestCase):
         eq(fix(), 'a'+io.eol_convention)
 
 
+def _extension_in_filetypes(extension):
+    return any(
+        f'*{extension}' in filetype_tuple[1]
+        for filetype_tuple in iomenu.IOBinding.filetypes
+    )
+
+
+class FiletypesTest(unittest.TestCase):
+    def test_python_source_files(self):
+        for extension in util.py_extensions:
+            with self.subTest(extension=extension):
+                self.assertTrue(
+                    _extension_in_filetypes(extension)
+                )
+
+    def test_text_files(self):
+        self.assertTrue(_extension_in_filetypes('.txt'))
+
+    def test_all_files(self):
+        self.assertTrue(_extension_in_filetypes(''))
+
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)

diff --git a/Lib/idlelib/idle_test/test_sidebar.py b/Lib/idlelib/idle_test/test_sidebar.py
index 53ac3eb..01fd6a0 100644 (file)
--- a/Lib/idlelib/idle_test/test_sidebar.py
+++ b/Lib/idlelib/idle_test/test_sidebar.py
@@ -474,10 +474,7 @@ class ShellSidebarTest(unittest.TestCase):
         index = text.index("@0,0")
         if index.split('.', 1)[1] != '0':
             index = text.index(f"{index} +1line linestart")
-        while True:
-            lineinfo = text.dlineinfo(index)
-            if lineinfo is None:
-                break
+        while (lineinfo := text.dlineinfo(index)) is not None:
             y_coords.append(lineinfo[1])
             index = text.index(f"{index} +1line")
         return y_coords

diff --git a/Lib/idlelib/idle_test/test_util.py b/Lib/idlelib/idle_test/test_util.py
new file mode 100644 (file)
index 0000000..20721fe
--- /dev/null
+++ b/Lib/idlelib/idle_test/test_util.py
@@ -0,0 +1,14 @@
+"""Test util, coverage 100%"""
+
+import unittest
+from idlelib import util
+
+
+class UtilTest(unittest.TestCase):
+    def test_extensions(self):
+        for extension in {'.pyi', '.py', '.pyw'}:
+            self.assertIn(extension, util.py_extensions)
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)

diff --git a/Lib/idlelib/iomenu.py b/Lib/idlelib/iomenu.py
index 5ebf708..ad3109d 100644 (file)
--- a/Lib/idlelib/iomenu.py
+++ b/Lib/idlelib/iomenu.py
@@ -11,6 +11,9 @@ from tkinter.simpledialog import askstring
 
 import idlelib
 from idlelib.config import idleConf
+from idlelib.util import py_extensions
+
+py_extensions = ' '.join("*"+ext for ext in py_extensions)
 
 encoding = 'utf-8'
 if sys.platform == 'win32':
@@ -348,7 +351,7 @@ class IOBinding:
     savedialog = None
 
     filetypes = (
-        ("Python files", "*.py *.pyw", "TEXT"),
+        ("Python files", py_extensions, "TEXT"),
         ("Text files", "*.txt", "TEXT"),
         ("All files", "*"),
         )

diff --git a/Lib/idlelib/mainmenu.py b/Lib/idlelib/mainmenu.py
index 74edce2..a1b1691 100644 (file)
--- a/Lib/idlelib/mainmenu.py
+++ b/Lib/idlelib/mainmenu.py
@@ -34,8 +34,8 @@ menudefs = [
    None,
    ('Prin_t Window', '<<print-window>>'),
    None,
-   ('_Close', '<<close-window>>'),
-   ('E_xit', '<<close-all-windows>>'),
+   ('_Close Window', '<<close-window>>'),
+   ('E_xit IDLE', '<<close-all-windows>>'),
    ]),
 
  ('edit', [

diff --git a/Lib/idlelib/pyparse.py b/Lib/idlelib/pyparse.py
index d34872b..8545c63 100644 (file)
--- a/Lib/idlelib/pyparse.py
+++ b/Lib/idlelib/pyparse.py
@@ -179,14 +179,10 @@ class Parser:
         # Peeking back worked; look forward until _synchre no longer
         # matches.
         i = pos + 1
-        while 1:
-            m = _synchre(code, i)
-            if m:
-                s, i = m.span()
-                if not is_char_in_string(s):
-                    pos = s
-            else:
-                break
+        while m := _synchre(code, i):
+            s, i = m.span()
+            if not is_char_in_string(s):
+                pos = s
         return pos
 
     def set_lo(self, lo):

diff --git a/Lib/idlelib/query.py b/Lib/idlelib/query.py
index fefa5aa..df02f21 100644 (file)
--- a/Lib/idlelib/query.py
+++ b/Lib/idlelib/query.py
@@ -83,6 +83,7 @@ class Query(Toplevel):
 
         if not _utest:
             self.deiconify()  # Unhide now that geometry set.
+            self.entry.focus_set()
             self.wait_window()
 
     def create_widgets(self, ok_text='OK'):  # Do not replace.
@@ -100,7 +101,6 @@ class Query(Toplevel):
                            text=self.message)
         self.entryvar = StringVar(self, self.text0)
         self.entry = Entry(frame, width=30, textvariable=self.entryvar)
-        self.entry.focus_set()
         self.error_font = Font(name='TkCaptionFont',
                                exists=True, root=self.parent)
         self.entry_error = Label(frame, text=' ', foreground='red',

diff --git a/Lib/idlelib/replace.py b/Lib/idlelib/replace.py
index 2f9ca23..ca83173 100644 (file)
--- a/Lib/idlelib/replace.py
+++ b/Lib/idlelib/replace.py
@@ -158,11 +158,8 @@ class ReplaceDialog(SearchDialogBase):
         first = last = None
         # XXX ought to replace circular instead of top-to-bottom when wrapping
         text.undo_block_start()
-        while True:
-            res = self.engine.search_forward(text, prog, line, col,
-                                             wrap=False, ok=ok)
-            if not res:
-                break
+        while res := self.engine.search_forward(
+                text, prog, line, col, wrap=False, ok=ok):
             line, m = res
             chars = text.get("%d.0" % line, "%d.0" % (line+1))
             orig = m.group()

diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 47c4cbd..aaa9b5c 100644 (file)
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -482,9 +482,7 @@ class StdInputFile(StdioFile):
         result = self._line_buffer
         self._line_buffer = ''
         if size < 0:
-            while True:
-                line = self.shell.readline()
-                if not line: break
+            while line := self.shell.readline():
                 result += line
         else:
             while len(result) < size:

diff --git a/Lib/idlelib/sidebar.py b/Lib/idlelib/sidebar.py
index 018c368..fb1084d 100644 (file)
--- a/Lib/idlelib/sidebar.py
+++ b/Lib/idlelib/sidebar.py
@@ -471,10 +471,7 @@ class ShellSidebar(BaseSideBar):
         index = text.index("@0,0")
         if index.split('.', 1)[1] != '0':
             index = text.index(f'{index}+1line linestart')
-        while True:
-            lineinfo = text.dlineinfo(index)
-            if lineinfo is None:
-                break
+        while (lineinfo := text.dlineinfo(index)) is not None:
             y = lineinfo[1]
             prev_newline_tagnames = text_tagnames(f"{index} linestart -1c")
             prompt = (

diff --git a/Lib/idlelib/util.py b/Lib/idlelib/util.py
new file mode 100644 (file)
index 0000000..5480219
--- /dev/null
+++ b/Lib/idlelib/util.py
@@ -0,0 +1,22 @@
+"""
+Idlelib objects with no external idlelib dependencies
+which are needed in more than one idlelib module.
+
+They are included here because
+    a) they don't particularly belong elsewhere; or
+    b) because inclusion here simplifies the idlelib dependency graph.
+
+TODO:
+    * Python versions (editor and help_about),
+    * tk version and patchlevel (pyshell, help_about, maxos?, editor?),
+    * std streams (pyshell, run),
+    * warning stuff (pyshell, run).
+"""
+from os import path
+
+# .pyw is for Windows; .pyi is for stub files.
+py_extensions = ('.py', '.pyw', '.pyi')  # Order needed for open/save dialogs.
+
+if __name__ == '__main__':
+    from unittest import main
+    main('idlelib.idle_test.test_util', verbosity=2)

diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
index 9a73c7b..49bcaea 100644 (file)
--- a/Lib/importlib/_bootstrap_external.py
+++ b/Lib/importlib/_bootstrap_external.py
@@ -1212,10 +1212,15 @@ class _NamespacePath:
     using path_finder.  For top-level modules, the parent module's path
     is sys.path."""
 
+    # When invalidate_caches() is called, this epoch is incremented
+    # https://bugs.python.org/issue45703
+    _epoch = 0
+
     def __init__(self, name, path, path_finder):
         self._name = name
         self._path = path
         self._last_parent_path = tuple(self._get_parent_path())
+        self._last_epoch = self._epoch
         self._path_finder = path_finder
 
     def _find_parent_path_names(self):
@@ -1235,7 +1240,7 @@ class _NamespacePath:
     def _recalculate(self):
         # If the parent's path has changed, recalculate _path
         parent_path = tuple(self._get_parent_path()) # Make a copy
-        if parent_path != self._last_parent_path:
+        if parent_path != self._last_parent_path or self._epoch != self._last_epoch:
             spec = self._path_finder(self._name, parent_path)
             # Note that no changes are made if a loader is returned, but we
             #  do remember the new parent path
@@ -1243,6 +1248,7 @@ class _NamespacePath:
                 if spec.submodule_search_locations:
                     self._path = spec.submodule_search_locations
             self._last_parent_path = parent_path     # Save the copy
+            self._last_epoch = self._epoch
         return self._path
 
     def __iter__(self):
@@ -1330,6 +1336,9 @@ class PathFinder:
                 del sys.path_importer_cache[name]
             elif hasattr(finder, 'invalidate_caches'):
                 finder.invalidate_caches()
+        # Also invalidate the caches of _NamespacePaths
+        # https://bugs.python.org/issue45703
+        _NamespacePath._epoch += 1
 
     @staticmethod
     def _path_hooks(path):

diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py
index ec41ed3..b3063cd 100644 (file)
--- a/Lib/importlib/metadata/__init__.py
+++ b/Lib/importlib/metadata/__init__.py
@@ -128,12 +128,21 @@ class EntryPoint(
     See `the packaging docs on entry points
     <https://packaging.python.org/specifications/entry-points/>`_
     for more information.
+
+    >>> ep = EntryPoint(
+    ...     name=None, group=None, value='package.module:attr [extra1, extra2]')
+    >>> ep.module
+    'package.module'
+    >>> ep.attr
+    'attr'
+    >>> ep.extras
+    ['extra1', 'extra2']
     """
 
     pattern = re.compile(
         r'(?P<module>[\w.]+)\s*'
-        r'(:\s*(?P<attr>[\w.]+))?\s*'
-        r'(?P<extras>\[.*\])?\s*$'
+        r'(:\s*(?P<attr>[\w.]+)\s*)?'
+        r'((?P<extras>\[.*\])\s*)?$'
     )
     """
     A regular expression describing the syntax for an entry point,
@@ -176,7 +185,7 @@ class EntryPoint(
     @property
     def extras(self):
         match = self.pattern.match(self.value)
-        return list(re.finditer(r'\w+', match.group('extras') or ''))
+        return re.findall(r'\w+', match.group('extras') or '')
 
     def _for(self, dist):
         self.dist = dist
@@ -200,6 +209,25 @@ class EntryPoint(
         )
 
     def matches(self, **params):
+        """
+        EntryPoint matches the given parameters.
+
+        >>> ep = EntryPoint(group='foo', name='bar', value='bing:bong [extra1, extra2]')
+        >>> ep.matches(group='foo')
+        True
+        >>> ep.matches(name='bar', value='bing:bong [extra1, extra2]')
+        True
+        >>> ep.matches(group='foo', name='other')
+        False
+        >>> ep.matches()
+        True
+        >>> ep.matches(extras=['extra1', 'extra2'])
+        True
+        >>> ep.matches(module='bing')
+        True
+        >>> ep.matches(attr='bong')
+        True
+        """
         attrs = (getattr(self, param) for param in params)
         return all(map(operator.eq, params.values(), attrs))
 
@@ -236,6 +264,8 @@ class DeprecatedList(list):
     1
     """
 
+    __slots__ = ()
+
     _warn = functools.partial(
         warnings.warn,
         "EntryPoints list interface is deprecated. Cast to list if needed.",
@@ -648,7 +678,7 @@ class Distribution:
 
     def _read_egg_info_reqs(self):
         source = self.read_text('requires.txt')
-        return source and self._deps_from_requires_text(source)
+        return None if source is None else self._deps_from_requires_text(source)
 
     @classmethod
     def _deps_from_requires_text(cls, source):
@@ -750,7 +780,6 @@ class FastPath:
 
     def __init__(self, root):
         self.root = root
-        self.base = os.path.basename(self.root).lower()
 
     def joinpath(self, child):
         return pathlib.Path(self.root, child)

diff --git a/Lib/inspect.py b/Lib/inspect.py
index 6d43d8d..c5881cc 100644 (file)
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -2511,9 +2511,9 @@ def _signature_from_callable(obj, *,
                     pass
                 else:
                     if text_sig:
-                        # If 'obj' class has a __text_signature__ attribute:
+                        # If 'base' class has a __text_signature__ attribute:
                         # return a signature based on it
-                        return _signature_fromstr(sigcls, obj, text_sig)
+                        return _signature_fromstr(sigcls, base, text_sig)
 
             # No '__text_signature__' was found for the 'obj' class.
             # Last option is to check if its '__init__' is

diff --git a/Lib/lib2to3/pytree.py b/Lib/lib2to3/pytree.py
index 2a6ef2e..729023d 100644 (file)
--- a/Lib/lib2to3/pytree.py
+++ b/Lib/lib2to3/pytree.py
@@ -720,8 +720,8 @@ class WildcardPattern(BasePattern):
                         r[self.name] = nodes[:count]
                     yield count, r
             except RuntimeError:
-                # We fall back to the iterative pattern matching scheme if the recursive
-                # scheme hits the recursion limit.
+                # Fall back to the iterative pattern matching scheme if the
+                # recursive scheme hits the recursion limit (RecursionError).
                 for count, r in self._iterative_matches(nodes):
                     if self.name:
                         r[self.name] = nodes[:count]

diff --git a/Lib/lib2to3/tests/data/infinite_recursion.py b/Lib/lib2to3/tests/data/infinite_recursion.py
index 71715ef..acc62ed 100644 (file)
--- a/Lib/lib2to3/tests/data/infinite_recursion.py
+++ b/Lib/lib2to3/tests/data/infinite_recursion.py
@@ -1,5 +1,5 @@
-# This file is used to verify that 2to3 falls back to a slower, iterative pattern matching
-# scheme in the event that the faster recursive system fails due to infinite recursion.
+# Verify that 2to3 falls back from the recursive pattern matching scheme to a
+# slower, iterative scheme in the event of a RecursionError.
 from ctypes import *
 STRING = c_char_p
 

diff --git a/Lib/lib2to3/tests/test_all_fixers.py b/Lib/lib2to3/tests/test_all_fixers.py
index c0507cf..a265941 100644 (file)
--- a/Lib/lib2to3/tests/test_all_fixers.py
+++ b/Lib/lib2to3/tests/test_all_fixers.py
@@ -6,8 +6,10 @@ running time.
 # Author: Collin Winter
 
 # Python imports
-import unittest
+import os.path
+import sys
 import test.support
+import unittest
 
 # Local imports
 from . import support
@@ -19,9 +21,22 @@ class Test_all(support.TestCase):
     def setUp(self):
         self.refactor = support.get_refactorer()
 
+    def refactor_file(self, filepath):
+        if test.support.verbose:
+            print(f"Refactor file: {filepath}")
+        if os.path.basename(filepath) == 'infinite_recursion.py':
+            # bpo-46542: Processing infinite_recursion.py can crash Python
+            # if Python is built in debug mode: lower the recursion limit
+            # to prevent a crash.
+            with test.support.infinite_recursion(150):
+                self.refactor.refactor_file(filepath)
+        else:
+            self.refactor.refactor_file(filepath)
+
     def test_all_project_files(self):
         for filepath in support.all_project_files():
-            self.refactor.refactor_file(filepath)
+            with self.subTest(filepath=filepath):
+                self.refactor_file(filepath)
 
 if __name__ == '__main__':
     unittest.main()

diff --git a/Lib/lib2to3/tests/test_parser.py b/Lib/lib2to3/tests/test_parser.py
index 5eefb5a..90a1b34 100644 (file)
--- a/Lib/lib2to3/tests/test_parser.py
+++ b/Lib/lib2to3/tests/test_parser.py
@@ -20,6 +20,7 @@ import shutil
 import subprocess
 import sys
 import tempfile
+import test.support
 import unittest
 
 # Local imports
@@ -586,25 +587,31 @@ class TestParserIdempotency(support.TestCase):
 
     """A cut-down version of pytree_idempotency.py."""
 
+    def parse_file(self, filepath):
+        if test.support.verbose:
+            print(f"Parse file: {filepath}")
+        with open(filepath, "rb") as fp:
+            encoding = tokenize.detect_encoding(fp.readline)[0]
+        self.assertIsNotNone(encoding,
+                             "can't detect encoding for %s" % filepath)
+        with open(filepath, "r", encoding=encoding) as fp:
+            source = fp.read()
+        try:
+            tree = driver.parse_string(source)
+        except ParseError:
+            try:
+                tree = driver_no_print_statement.parse_string(source)
+            except ParseError as err:
+                self.fail('ParseError on file %s (%s)' % (filepath, err))
+        new = str(tree)
+        if new != source:
+            print(diff_texts(source, new, filepath))
+            self.fail("Idempotency failed: %s" % filepath)
+
     def test_all_project_files(self):
         for filepath in support.all_project_files():
-            with open(filepath, "rb") as fp:
-                encoding = tokenize.detect_encoding(fp.readline)[0]
-            self.assertIsNotNone(encoding,
-                                 "can't detect encoding for %s" % filepath)
-            with open(filepath, "r", encoding=encoding) as fp:
-                source = fp.read()
-            try:
-                tree = driver.parse_string(source)
-            except ParseError:
-                try:
-                    tree = driver_no_print_statement.parse_string(source)
-                except ParseError as err:
-                    self.fail('ParseError on file %s (%s)' % (filepath, err))
-            new = str(tree)
-            if new != source:
-                print(diff_texts(source, new, filepath))
-                self.fail("Idempotency failed: %s" % filepath)
+            with self.subTest(filepath=filepath):
+                self.parse_file(filepath)
 
     def test_extended_unpacking(self):
         driver.parse_string("a, *b, c = x\n")

diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index c389685..b72ce08 100644 (file)
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -141,25 +141,23 @@ class MimeTypes:
                 type = 'text/plain'
             return type, None           # never compressed, so encoding is None
         base, ext = posixpath.splitext(url)
-        while ext in self.suffix_map:
-            base, ext = posixpath.splitext(base + self.suffix_map[ext])
+        while (ext_lower := ext.lower()) in self.suffix_map:
+            base, ext = posixpath.splitext(base + self.suffix_map[ext_lower])
+        # encodings_map is case sensitive
         if ext in self.encodings_map:
             encoding = self.encodings_map[ext]
             base, ext = posixpath.splitext(base)
         else:
             encoding = None
+        ext = ext.lower()
         types_map = self.types_map[True]
         if ext in types_map:
             return types_map[ext], encoding
-        elif ext.lower() in types_map:
-            return types_map[ext.lower()], encoding
         elif strict:
             return None, encoding
         types_map = self.types_map[False]
         if ext in types_map:
             return types_map[ext], encoding
-        elif ext.lower() in types_map:
-            return types_map[ext.lower()], encoding
         else:
             return None, encoding
 

diff --git a/Lib/pdb.py b/Lib/pdb.py
index 9432111..7ab50b4 100755 (executable)
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1493,6 +1493,9 @@ class Pdb(bdb.Bdb, cmd.Cmd):
                 self.error('No help for %r; please do not run Python with -OO '
                            'if you need command help' % arg)
                 return
+            if command.__doc__ is None:
+                self.error('No help for %r; __doc__ string missing' % arg)
+                return
             self.message(command.__doc__.rstrip())
 
     do_h = do_help

diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py
index 1b5cfe2..ac7d16c 100644 (file)
--- a/Lib/pydoc_data/topics.py
+++ b/Lib/pydoc_data/topics.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Thu Jan 13 18:49:56 2022
+# Autogenerated by Sphinx on Wed Mar 16 11:26:55 2022
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -6233,19 +6233,19 @@ topics = {'assert': 'The "assert" statement\n'
                   '"\'0\'" no\n'
                   'longer affects the default alignment for strings.\n'
                   '\n'
-                  'The *precision* is a decimal number indicating how many '
+                  'The *precision* is a decimal integer indicating how many '
                   'digits should\n'
-                  'be displayed after the decimal point for a floating point '
-                  'value\n'
-                  'formatted with "\'f\'" and "\'F\'", or before and after the '
-                  'decimal point\n'
-                  'for a floating point value formatted with "\'g\'" or '
-                  '"\'G\'".  For non-\n'
-                  'number types the field indicates the maximum field size - '
-                  'in other\n'
-                  'words, how many characters will be used from the field '
-                  'content. The\n'
-                  '*precision* is not allowed for integer values.\n'
+                  'be displayed after the decimal point for presentation types '
+                  '"\'f\'" and\n'
+                  '"\'F\'", or before and after the decimal point for '
+                  'presentation types\n'
+                  '"\'g\'" or "\'G\'".  For string presentation types the '
+                  'field indicates the\n'
+                  'maximum field size - in other words, how many characters '
+                  'will be used\n'
+                  'from the field content.  The *precision* is not allowed for '
+                  'integer\n'
+                  'presentation types.\n'
                   '\n'
                   'Finally, the *type* determines how the data should be '
                   'presented.\n'
@@ -8384,12 +8384,12 @@ topics = {'assert': 'The "assert" statement\n'
           '\n'
           '   raise_stmt ::= "raise" [expression ["from" expression]]\n'
           '\n'
-          'If no expressions are present, "raise" re-raises the last '
-          'exception\n'
-          'that was active in the current scope.  If no exception is active '
-          'in\n'
-          'the current scope, a "RuntimeError" exception is raised indicating\n'
-          'that this is an error.\n'
+          'If no expressions are present, "raise" re-raises the exception that '
+          'is\n'
+          'currently being handled, which is also known as the *active\n'
+          'exception*. If there isn’t currently an active exception, a\n'
+          '"RuntimeError" exception is raised indicating that this is an '
+          'error.\n'
           '\n'
           'Otherwise, "raise" evaluates the first expression as the exception\n'
           'object.  It must be either a subclass or an instance of\n'
@@ -8444,11 +8444,14 @@ topics = {'assert': 'The "assert" statement\n'
           '     File "<stdin>", line 4, in <module>\n'
           '   RuntimeError: Something bad happened\n'
           '\n'
-          'A similar mechanism works implicitly if an exception is raised '
-          'inside\n'
-          'an exception handler or a "finally" clause: the previous exception '
-          'is\n'
-          'then attached as the new exception’s "__context__" attribute:\n'
+          'A similar mechanism works implicitly if a new exception is raised '
+          'when\n'
+          'an exception is already being handled.  An exception may be '
+          'handled\n'
+          'when an "except" or "finally" clause, or a "with" statement, is '
+          'used.\n'
+          'The previous exception is then attached as the new exception’s\n'
+          '"__context__" attribute:\n'
           '\n'
           '   >>> try:\n'
           '   ...     print(1 / 0)\n'
@@ -9916,14 +9919,14 @@ topics = {'assert': 'The "assert" statement\n'
                  '\n'
                  'Whenever a class inherits from another class, '
                  '"__init_subclass__()" is\n'
-                 'called on that class. This way, it is possible to write '
-                 'classes which\n'
-                 'change the behavior of subclasses. This is closely related '
-                 'to class\n'
-                 'decorators, but where class decorators only affect the '
-                 'specific class\n'
-                 'they’re applied to, "__init_subclass__" solely applies to '
-                 'future\n'
+                 'called on the parent class. This way, it is possible to '
+                 'write classes\n'
+                 'which change the behavior of subclasses. This is closely '
+                 'related to\n'
+                 'class decorators, but where class decorators only affect the '
+                 'specific\n'
+                 'class they’re applied to, "__init_subclass__" solely applies '
+                 'to future\n'
                  'subclasses of the class defining the method.\n'
                  '\n'
                  'classmethod object.__init_subclass__(cls)\n'
@@ -12290,67 +12293,86 @@ topics = {'assert': 'The "assert" statement\n'
  'subscriptions': 'Subscriptions\n'
                   '*************\n'
                   '\n'
-                  'Subscription of a sequence (string, tuple or list) or '
-                  'mapping\n'
-                  '(dictionary) object usually selects an item from the '
-                  'collection:\n'
+                  'The subscription of an instance of a container class will '
+                  'generally\n'
+                  'select an element from the container. The subscription of a '
+                  '*generic\n'
+                  'class* will generally return a GenericAlias object.\n'
                   '\n'
                   '   subscription ::= primary "[" expression_list "]"\n'
                   '\n'
+                  'When an object is subscripted, the interpreter will '
+                  'evaluate the\n'
+                  'primary and the expression list.\n'
+                  '\n'
                   'The primary must evaluate to an object that supports '
-                  'subscription\n'
-                  '(lists or dictionaries for example).  User-defined objects '
-                  'can support\n'
-                  'subscription by defining a "__getitem__()" method.\n'
+                  'subscription. An\n'
+                  'object may support subscription through defining one or '
+                  'both of\n'
+                  '"__getitem__()" and "__class_getitem__()". When the primary '
+                  'is\n'
+                  'subscripted, the evaluated result of the expression list '
+                  'will be\n'
+                  'passed to one of these methods. For more details on when\n'
+                  '"__class_getitem__" is called instead of "__getitem__", '
+                  'see\n'
+                  '__class_getitem__ versus __getitem__.\n'
+                  '\n'
+                  'If the expression list contains at least one comma, it will '
+                  'evaluate\n'
+                  'to a "tuple" containing the items of the expression list. '
+                  'Otherwise,\n'
+                  'the expression list will evaluate to the value of the '
+                  'list’s sole\n'
+                  'member.\n'
                   '\n'
                   'For built-in objects, there are two types of objects that '
                   'support\n'
-                  'subscription:\n'
+                  'subscription via "__getitem__()":\n'
                   '\n'
-                  'If the primary is a mapping, the expression list must '
-                  'evaluate to an\n'
-                  'object whose value is one of the keys of the mapping, and '
+                  '1. Mappings. If the primary is a *mapping*, the expression '
+                  'list must\n'
+                  '   evaluate to an object whose value is one of the keys of '
                   'the\n'
-                  'subscription selects the value in the mapping that '
-                  'corresponds to that\n'
-                  'key.  (The expression list is a tuple except if it has '
-                  'exactly one\n'
-                  'item.)\n'
-                  '\n'
-                  'If the primary is a sequence, the expression list must '
-                  'evaluate to an\n'
-                  'integer or a slice (as discussed in the following '
-                  'section).\n'
+                  '   mapping, and the subscription selects the value in the '
+                  'mapping that\n'
+                  '   corresponds to that key. An example of a builtin mapping '
+                  'class is\n'
+                  '   the "dict" class.\n'
+                  '\n'
+                  '2. Sequences. If the primary is a *sequence*, the '
+                  'expression list must\n'
+                  '   evaluate to an "int" or a "slice" (as discussed in the '
+                  'following\n'
+                  '   section). Examples of builtin sequence classes include '
+                  'the "str",\n'
+                  '   "list" and "tuple" classes.\n'
                   '\n'
                   'The formal syntax makes no special provision for negative '
                   'indices in\n'
-                  'sequences; however, built-in sequences all provide a '
+                  '*sequences*. However, built-in sequences all provide a '
                   '"__getitem__()"\n'
                   'method that interprets negative indices by adding the '
                   'length of the\n'
-                  'sequence to the index (so that "x[-1]" selects the last '
-                  'item of "x").\n'
-                  'The resulting value must be a nonnegative integer less than '
-                  'the number\n'
-                  'of items in the sequence, and the subscription selects the '
-                  'item whose\n'
-                  'index is that value (counting from zero). Since the support '
-                  'for\n'
-                  'negative indices and slicing occurs in the object’s '
-                  '"__getitem__()"\n'
-                  'method, subclasses overriding this method will need to '
-                  'explicitly add\n'
-                  'that support.\n'
-                  '\n'
-                  'A string’s items are characters.  A character is not a '
-                  'separate data\n'
-                  'type but a string of exactly one character.\n'
-                  '\n'
-                  'Subscription of certain *classes* or *types* creates a '
-                  'generic alias.\n'
-                  'In this case, user-defined classes can support subscription '
-                  'by\n'
-                  'providing a "__class_getitem__()" classmethod.\n',
+                  'sequence to the index so that, for example, "x[-1]" selects '
+                  'the last\n'
+                  'item of "x". The resulting value must be a nonnegative '
+                  'integer less\n'
+                  'than the number of items in the sequence, and the '
+                  'subscription selects\n'
+                  'the item whose index is that value (counting from zero). '
+                  'Since the\n'
+                  'support for negative indices and slicing occurs in the '
+                  'object’s\n'
+                  '"__getitem__()" method, subclasses overriding this method '
+                  'will need to\n'
+                  'explicitly add that support.\n'
+                  '\n'
+                  'A "string" is a special kind of sequence whose items are '
+                  '*characters*.\n'
+                  'A character is not a separate data type but a string of '
+                  'exactly one\n'
+                  'character.\n',
  'truth': 'Truth Value Testing\n'
           '*******************\n'
           '\n'

diff --git a/Lib/shutil.py b/Lib/shutil.py
index 0056a1b..37bf98d 100644 (file)
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -646,6 +646,7 @@ def _rmtree_safe_fd(topfd, path, onerror):
         if is_dir:
             try:
                 dirfd = os.open(entry.name, os.O_RDONLY, dir_fd=topfd)
+                dirfd_closed = False
             except OSError:
                 onerror(os.open, fullname, sys.exc_info())
             else:
@@ -653,6 +654,8 @@ def _rmtree_safe_fd(topfd, path, onerror):
                     if os.path.samestat(orig_st, os.fstat(dirfd)):
                         _rmtree_safe_fd(dirfd, fullname, onerror)
                         try:
+                            os.close(dirfd)
+                            dirfd_closed = True
                             os.rmdir(entry.name, dir_fd=topfd)
                         except OSError:
                             onerror(os.rmdir, fullname, sys.exc_info())
@@ -666,7 +669,8 @@ def _rmtree_safe_fd(topfd, path, onerror):
                         except OSError:
                             onerror(os.path.islink, fullname, sys.exc_info())
                 finally:
-                    os.close(dirfd)
+                    if not dirfd_closed:
+                        os.close(dirfd)
         else:
             try:
                 os.unlink(entry.name, dir_fd=topfd)
@@ -709,6 +713,7 @@ def rmtree(path, ignore_errors=False, onerror=None):
             return
         try:
             fd = os.open(path, os.O_RDONLY)
+            fd_closed = False
         except Exception:
             onerror(os.open, path, sys.exc_info())
             return
@@ -716,6 +721,8 @@ def rmtree(path, ignore_errors=False, onerror=None):
             if os.path.samestat(orig_st, os.fstat(fd)):
                 _rmtree_safe_fd(fd, path, onerror)
                 try:
+                    os.close(fd)
+                    fd_closed = True
                     os.rmdir(path)
                 except OSError:
                     onerror(os.rmdir, path, sys.exc_info())
@@ -726,7 +733,8 @@ def rmtree(path, ignore_errors=False, onerror=None):
                 except OSError:
                     onerror(os.path.islink, path, sys.exc_info())
         finally:
-            os.close(fd)
+            if not fd_closed:
+                os.close(fd)
     else:
         try:
             if _rmtree_islink(path):

diff --git a/Lib/sqlite3/test/userfunctions.py b/Lib/sqlite3/test/userfunctions.py
index 75e8035..539fd4b 100644 (file)
--- a/Lib/sqlite3/test/userfunctions.py
+++ b/Lib/sqlite3/test/userfunctions.py
@@ -23,9 +23,11 @@
 
 import unittest
 import unittest.mock
-import gc
 import sqlite3 as sqlite
 
+from test.support import gc_collect
+
+
 def func_returntext():
     return "foo"
 def func_returntextwithnull():
@@ -45,22 +47,6 @@ def func_returnlonglong():
 def func_raiseexception():
     5/0
 
-def func_isstring(v):
-    return type(v) is str
-def func_isint(v):
-    return type(v) is int
-def func_isfloat(v):
-    return type(v) is float
-def func_isnone(v):
-    return type(v) is type(None)
-def func_isblob(v):
-    return isinstance(v, (bytes, memoryview))
-def func_islonglong(v):
-    return isinstance(v, int) and v >= 1<<31
-
-def func(*args):
-    return len(args)
-
 class AggrNoStep:
     def __init__(self):
         pass
@@ -161,15 +147,13 @@ class FunctionTests(unittest.TestCase):
         self.con.create_function("returnnull", 0, func_returnnull)
         self.con.create_function("returnblob", 0, func_returnblob)
         self.con.create_function("returnlonglong", 0, func_returnlonglong)
+        self.con.create_function("returnnan", 0, lambda: float("nan"))
+        self.con.create_function("returntoolargeint", 0, lambda: 1 << 65)
         self.con.create_function("raiseexception", 0, func_raiseexception)
 
-        self.con.create_function("isstring", 1, func_isstring)
-        self.con.create_function("isint", 1, func_isint)
-        self.con.create_function("isfloat", 1, func_isfloat)
-        self.con.create_function("isnone", 1, func_isnone)
-        self.con.create_function("isblob", 1, func_isblob)
-        self.con.create_function("islonglong", 1, func_islonglong)
-        self.con.create_function("spam", -1, func)
+        self.con.create_function("isblob", 1, lambda x: isinstance(x, bytes))
+        self.con.create_function("isnone", 1, lambda x: x is None)
+        self.con.create_function("spam", -1, lambda *x: len(x))
         self.con.execute("create table test(t text)")
 
     def tearDown(self):
@@ -246,6 +230,16 @@ class FunctionTests(unittest.TestCase):
         val = cur.fetchone()[0]
         self.assertEqual(val, 1<<31)
 
+    def test_func_return_nan(self):
+        cur = self.con.cursor()
+        cur.execute("select returnnan()")
+        self.assertIsNone(cur.fetchone()[0])
+
+    def test_func_return_too_large_int(self):
+        cur = self.con.cursor()
+        with self.assertRaises(sqlite.OperationalError):
+            self.con.execute("select returntoolargeint()")
+
     def test_func_exception(self):
         cur = self.con.cursor()
         with self.assertRaises(sqlite.OperationalError) as cm:
@@ -253,44 +247,6 @@ class FunctionTests(unittest.TestCase):
             cur.fetchone()
         self.assertEqual(str(cm.exception), 'user-defined function raised exception')
 
-    def test_param_string(self):
-        cur = self.con.cursor()
-        for text in ["foo", str()]:
-            with self.subTest(text=text):
-                cur.execute("select isstring(?)", (text,))
-                val = cur.fetchone()[0]
-                self.assertEqual(val, 1)
-
-    def test_param_int(self):
-        cur = self.con.cursor()
-        cur.execute("select isint(?)", (42,))
-        val = cur.fetchone()[0]
-        self.assertEqual(val, 1)
-
-    def test_param_float(self):
-        cur = self.con.cursor()
-        cur.execute("select isfloat(?)", (3.14,))
-        val = cur.fetchone()[0]
-        self.assertEqual(val, 1)
-
-    def test_param_none(self):
-        cur = self.con.cursor()
-        cur.execute("select isnone(?)", (None,))
-        val = cur.fetchone()[0]
-        self.assertEqual(val, 1)
-
-    def test_param_blob(self):
-        cur = self.con.cursor()
-        cur.execute("select isblob(?)", (memoryview(b"blob"),))
-        val = cur.fetchone()[0]
-        self.assertEqual(val, 1)
-
-    def test_param_long_long(self):
-        cur = self.con.cursor()
-        cur.execute("select islonglong(?)", (1<<42,))
-        val = cur.fetchone()[0]
-        self.assertEqual(val, 1)
-
     def test_any_arguments(self):
         cur = self.con.cursor()
         cur.execute("select spam(?, ?)", (1, 2))
@@ -301,6 +257,52 @@ class FunctionTests(unittest.TestCase):
         cur = self.con.execute("select isblob(x'')")
         self.assertTrue(cur.fetchone()[0])
 
+    def test_nan_float(self):
+        cur = self.con.execute("select isnone(?)", (float("nan"),))
+        # SQLite has no concept of nan; it is converted to NULL
+        self.assertTrue(cur.fetchone()[0])
+
+    def test_too_large_int(self):
+        err = "Python int too large to convert to SQLite INTEGER"
+        self.assertRaisesRegex(OverflowError, err, self.con.execute,
+                               "select spam(?)", (1 << 65,))
+
+    def test_non_contiguous_blob(self):
+        self.assertRaisesRegex(ValueError, "could not convert BLOB to buffer",
+                               self.con.execute, "select spam(?)",
+                               (memoryview(b"blob")[::2],))
+
+    def test_param_surrogates(self):
+        self.assertRaisesRegex(UnicodeEncodeError, "surrogates not allowed",
+                               self.con.execute, "select spam(?)",
+                               ("\ud803\ude6d",))
+
+    def test_func_params(self):
+        results = []
+        def append_result(arg):
+            results.append((arg, type(arg)))
+        self.con.create_function("test_params", 1, append_result)
+
+        dataset = [
+            (42, int),
+            (-1, int),
+            (1234567890123456789, int),
+            (4611686018427387905, int),  # 63-bit int with non-zero low bits
+            (3.14, float),
+            (float('inf'), float),
+            ("text", str),
+            ("1\x002", str),
+            ("\u02e2q\u02e1\u2071\u1d57\u1d49", str),
+            (b"blob", bytes),
+            (bytearray(range(2)), bytes),
+            (memoryview(b"blob"), bytes),
+            (None, type(None)),
+        ]
+        for val, _ in dataset:
+            cur = self.con.execute("select test_params(?)", (val,))
+            cur.fetchone()
+        self.assertEqual(dataset, results)
+
     # Regarding deterministic functions:
     #
     # Between 3.8.3 and 3.15.0, deterministic functions were only used to
@@ -356,7 +358,7 @@ class FunctionTests(unittest.TestCase):
         y.append(y)
 
         del x,y
-        gc.collect()
+        gc_collect()
 
 class AggregateTests(unittest.TestCase):
     def setUp(self):

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index c1ee122..6ada9a0 100755 (executable)
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -888,15 +888,24 @@ class TarInfo(object):
         # Test number fields for values that exceed the field limit or values
         # that like to be stored as float.
         for name, digits in (("uid", 8), ("gid", 8), ("size", 12), ("mtime", 12)):
-            if name in pax_headers:
-                # The pax header has priority. Avoid overflow.
-                info[name] = 0
-                continue
+            needs_pax = False
 
             val = info[name]
-            if not 0 <= val < 8 ** (digits - 1) or isinstance(val, float):
-                pax_headers[name] = str(val)
+            val_is_float = isinstance(val, float)
+            val_int = round(val) if val_is_float else val
+            if not 0 <= val_int < 8 ** (digits - 1):
+                # Avoid overflow.
                 info[name] = 0
+                needs_pax = True
+            elif val_is_float:
+                # Put rounded value in ustar header, and full
+                # precision value in pax header.
+                info[name] = val_int
+                needs_pax = True
+
+            # The existing pax header has priority.
+            if needs_pax and name not in pax_headers:
+                pax_headers[name] = str(val)
 
         # Create a pax extended header if necessary.
         if pax_headers:
@@ -1789,7 +1798,7 @@ class TarFile(object):
            than once in the archive, its last occurrence is assumed to be the
            most up-to-date version.
         """
-        tarinfo = self._getmember(name)
+        tarinfo = self._getmember(name.rstrip('/'))
         if tarinfo is None:
             raise KeyError("filename %r not found" % name)
         return tarinfo

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 3bc5b8f..04657c0 100644 (file)
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -73,6 +73,12 @@ except ImportError:
     msvcrt = None
 
 
+if support.check_sanitizer(address=True):
+    # bpo-45200: Skip multiprocessing tests if Python is built with ASAN to
+    # work around a libasan race condition: dead lock in pthread_create().
+    raise unittest.SkipTest("libasan has a pthread_create() dead lock")
+
+
 def latin(s):
     return s.encode('latin')
 

diff --git a/Lib/test/ann_module7.py b/Lib/test/ann_module7.py
new file mode 100644 (file)
index 0000000..8f890cd
--- /dev/null
+++ b/Lib/test/ann_module7.py
@@ -0,0 +1,11 @@
+# Tests class have ``__text_signature__``
+
+from __future__ import annotations
+
+DEFAULT_BUFFER_SIZE = 8192
+
+class BufferedReader(object):
+    """BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE)\n--\n\n
+    Create a new buffered reader using the given readable raw IO object.
+    """
+    pass

diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index 9f551d9..5833659 100644 (file)
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -1861,8 +1861,6 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
 
     def test_fromisoformat_fails_typeerror(self):
         # Test that fromisoformat fails when passed the wrong type
-        import io
-
         bad_types = [b'2009-03-01', None, io.StringIO('2009-03-01')]
         for bad_type in bad_types:
             with self.assertRaises(TypeError):
@@ -3985,8 +3983,6 @@ class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
 
     def test_fromisoformat_fails_typeerror(self):
         # Test the fromisoformat fails when passed the wrong type
-        import io
-
         bad_types = [b'12:30:45', None, io.StringIO('12:30:45')]
 
         for bad_type in bad_types:

diff --git a/Lib/test/imghdrdata/python.gif b/Lib/test/imghdrdata/python.gif
index 96fd9fe..efa0be3 100644 (file)
Binary files a/Lib/test/imghdrdata/python.gif and b/Lib/test/imghdrdata/python.gif differ

diff --git a/Lib/test/pythoninfo.py b/Lib/test/pythoninfo.py
index 39ee9e1..8c8011b 100644 (file)
--- a/Lib/test/pythoninfo.py
+++ b/Lib/test/pythoninfo.py
@@ -720,6 +720,48 @@ def collect_windows(info_add):
     except (ImportError, AttributeError):
         pass
 
+    import subprocess
+    try:
+        # When wmic.exe output is redirected to a pipe,
+        # it uses the OEM code page
+        proc = subprocess.Popen(["wmic", "os", "get", "Caption,Version", "/value"],
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE,
+                                encoding="oem",
+                                text=True)
+        output, stderr = proc.communicate()
+        if proc.returncode:
+            output = ""
+    except OSError:
+        pass
+    else:
+        for line in output.splitlines():
+            line = line.strip()
+            if line.startswith('Caption='):
+                line = line.removeprefix('Caption=').strip()
+                if line:
+                    info_add('windows.version_caption', line)
+            elif line.startswith('Version='):
+                line = line.removeprefix('Version=').strip()
+                if line:
+                    info_add('windows.version', line)
+
+    try:
+        proc = subprocess.Popen(["ver"], shell=True,
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE,
+                                text=True)
+        output = proc.communicate()[0]
+        if proc.returncode:
+            output = ""
+    except OSError:
+        return
+    else:
+        output = output.strip()
+        line = output.splitlines()[0]
+        if line:
+            info_add('windows.ver', line)
+
 
 def collect_fips(info_add):
     try:

diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 44c5bd5..6343578 100644 (file)
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -41,7 +41,7 @@ __all__ = [
     "requires_IEEE_754", "requires_zlib",
     "anticipate_failure", "load_package_tests", "detect_api_mismatch",
     "check__all__", "skip_if_buggy_ucrt_strfptime",
-    "check_disallow_instantiation",
+    "check_disallow_instantiation", "check_sanitizer", "skip_if_sanitizer",
     # sys
     "is_jython", "is_android", "check_impl_detail", "unix_shell",
     "setswitchinterval",
@@ -367,6 +367,41 @@ def requires_mac_ver(*min_version):
     return decorator
 
 
+def check_sanitizer(*, address=False, memory=False, ub=False):
+    """Returns True if Python is compiled with sanitizer support"""
+    if not (address or memory or ub):
+        raise ValueError('At least one of address, memory, or ub must be True')
+
+
+    _cflags = sysconfig.get_config_var('CFLAGS') or ''
+    _config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
+    memory_sanitizer = (
+        '-fsanitize=memory' in _cflags or
+        '--with-memory-sanitizer' in _config_args
+    )
+    address_sanitizer = (
+        '-fsanitize=address' in _cflags or
+        '--with-memory-sanitizer' in _config_args
+    )
+    ub_sanitizer = (
+        '-fsanitize=undefined' in _cflags or
+        '--with-undefined-behavior-sanitizer' in _config_args
+    )
+    return (
+        (memory and memory_sanitizer) or
+        (address and address_sanitizer) or
+        (ub and ub_sanitizer)
+    )
+
+
+def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False):
+    """Decorator raising SkipTest if running with a sanitizer active."""
+    if not reason:
+        reason = 'not working with sanitizers active'
+    skip = check_sanitizer(address=address, memory=memory, ub=ub)
+    return unittest.skipIf(skip, reason)
+
+
 def system_must_validate_cert(f):
     """Skip the test on TLS certificate validation failures."""
     @functools.wraps(f)
@@ -1346,9 +1381,6 @@ class PythonSymlink:
 
         self._platform_specific()
 
-    def _platform_specific(self):
-        pass
-
     if sys.platform == "win32":
         def _platform_specific(self):
             import glob
@@ -1376,6 +1408,9 @@ class PythonSymlink:
             self._env["PYTHONHOME"] = os.path.dirname(self.real)
             if sysconfig.is_python_build(True):
                 self._env["PYTHONPATH"] = os.path.dirname(os.__file__)
+    else:
+        def _platform_specific(self):
+            pass
 
     def __enter__(self):
         os.symlink(self.real, self.link)

diff --git a/Lib/test/support/import_helper.py b/Lib/test/support/import_helper.py
index 43ae314..efa8ffa 100644 (file)
--- a/Lib/test/support/import_helper.py
+++ b/Lib/test/support/import_helper.py
@@ -2,6 +2,7 @@ import contextlib
 import importlib
 import importlib.util
 import os
+import shutil
 import sys
 import unittest
 import warnings
@@ -58,7 +59,7 @@ def make_legacy_pyc(source):
     pyc_file = importlib.util.cache_from_source(source)
     up_one = os.path.dirname(os.path.abspath(source))
     legacy_pyc = os.path.join(up_one, source + 'c')
-    os.rename(pyc_file, legacy_pyc)
+    shutil.move(pyc_file, legacy_pyc)
     return legacy_pyc
 
 

diff --git a/Lib/test/support/os_helper.py b/Lib/test/support/os_helper.py
index d9807a1..82a6de7 100644 (file)
--- a/Lib/test/support/os_helper.py
+++ b/Lib/test/support/os_helper.py
@@ -455,6 +455,17 @@ def create_empty_file(filename):
     os.close(fd)
 
 
+@contextlib.contextmanager
+def open_dir_fd(path):
+    """Open a file descriptor to a directory."""
+    assert os.path.isdir(path)
+    dir_fd = os.open(path, os.O_RDONLY)
+    try:
+        yield dir_fd
+    finally:
+        os.close(dir_fd)
+
+
 def fs_is_case_insensitive(directory):
     """Detects if the file system for the specified directory
     is case-insensitive."""

diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index 15f42d2..6368ef0 100644 (file)
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -5,6 +5,13 @@ import os
 import sys
 
 
+if support.check_sanitizer(address=True, memory=True):
+    # bpo-46633: test___all__ is skipped because importing some modules
+    # directly can trigger known problems with ASAN (like tk or crypt).
+    raise unittest.SkipTest("workaround ASAN build issues on loading tests "
+                            "like tk or crypt")
+
+
 class NoAll(RuntimeError):
     pass
 

diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index c96a540..d4426ba 100644 (file)
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -1,6 +1,8 @@
 # Author: Steven J. Bethard <steven.bethard@gmail.com>.
 
 import inspect
+import io
+import operator
 import os
 import shutil
 import stat
@@ -10,12 +12,27 @@ import tempfile
 import unittest
 import argparse
 
-from io import StringIO
-
 from test.support import os_helper
 from unittest import mock
-class StdIOBuffer(StringIO):
-    pass
+
+
+class StdIOBuffer(io.TextIOWrapper):
+    '''Replacement for writable io.StringIO that behaves more like real file
+
+    Unlike StringIO, provides a buffer attribute that holds the underlying
+    binary data, allowing it to replace sys.stdout/sys.stderr in more
+    contexts.
+    '''
+
+    def __init__(self, initial_value='', newline='\n'):
+        initial_value = initial_value.encode('utf-8')
+        super().__init__(io.BufferedWriter(io.BytesIO(initial_value)),
+                         'utf-8', newline=newline)
+
+    def getvalue(self):
+        self.flush()
+        return self.buffer.raw.getvalue().decode('utf-8')
+
 
 class TestCase(unittest.TestCase):
 
@@ -42,11 +59,14 @@ class TempDirMixin(object):
                 os.chmod(os.path.join(self.temp_dir, name), stat.S_IWRITE)
         shutil.rmtree(self.temp_dir, True)
 
-    def create_readonly_file(self, filename):
+    def create_writable_file(self, filename):
         file_path = os.path.join(self.temp_dir, filename)
         with open(file_path, 'w', encoding="utf-8") as file:
             file.write(filename)
-        os.chmod(file_path, stat.S_IREAD)
+        return file_path
+
+    def create_readonly_file(self, filename):
+        os.chmod(self.create_writable_file(filename), stat.S_IREAD)
 
 class Sig(object):
 
@@ -96,13 +116,18 @@ def stderr_to_parser_error(parse_args, *args, **kwargs):
         try:
             result = parse_args(*args, **kwargs)
             for key in list(vars(result)):
-                if getattr(result, key) is sys.stdout:
+                attr = getattr(result, key)
+                if attr is sys.stdout:
                     setattr(result, key, old_stdout)
-                if getattr(result, key) is sys.stderr:
+                elif attr is sys.stdout.buffer:
+                    setattr(result, key, getattr(old_stdout, 'buffer', BIN_STDOUT_SENTINEL))
+                elif attr is sys.stderr:
                     setattr(result, key, old_stderr)
+                elif attr is sys.stderr.buffer:
+                    setattr(result, key, getattr(old_stderr, 'buffer', BIN_STDERR_SENTINEL))
             return result
-        except SystemExit:
-            code = sys.exc_info()[1].code
+        except SystemExit as e:
+            code = e.code
             stdout = sys.stdout.getvalue()
             stderr = sys.stderr.getvalue()
             raise ArgumentParserError(
@@ -1545,16 +1570,40 @@ class TestFileTypeRepr(TestCase):
         type = argparse.FileType('r', 1, errors='replace')
         self.assertEqual("FileType('r', 1, errors='replace')", repr(type))
 
+
+BIN_STDOUT_SENTINEL = object()
+BIN_STDERR_SENTINEL = object()
+
+
 class StdStreamComparer:
     def __init__(self, attr):
-        self.attr = attr
+        # We try to use the actual stdXXX.buffer attribute as our
+        # marker, but but under some test environments,
+        # sys.stdout/err are replaced by io.StringIO which won't have .buffer,
+        # so we use a sentinel simply to show that the tests do the right thing
+        # for any buffer supporting object
+        self.getattr = operator.attrgetter(attr)
+        if attr == 'stdout.buffer':
+            self.backupattr = BIN_STDOUT_SENTINEL
+        elif attr == 'stderr.buffer':
+            self.backupattr = BIN_STDERR_SENTINEL
+        else:
+            self.backupattr = object() # Not equal to anything
 
     def __eq__(self, other):
-        return other == getattr(sys, self.attr)
+        try:
+            return other == self.getattr(sys)
+        except AttributeError:
+            return other == self.backupattr
+
 
 eq_stdin = StdStreamComparer('stdin')
 eq_stdout = StdStreamComparer('stdout')
 eq_stderr = StdStreamComparer('stderr')
+eq_bstdin = StdStreamComparer('stdin.buffer')
+eq_bstdout = StdStreamComparer('stdout.buffer')
+eq_bstderr = StdStreamComparer('stderr.buffer')
+
 
 class RFile(object):
     seen = {}
@@ -1633,7 +1682,7 @@ class TestFileTypeRB(TempDirMixin, ParserTestCase):
         ('foo', NS(x=None, spam=RFile('foo'))),
         ('-x foo bar', NS(x=RFile('foo'), spam=RFile('bar'))),
         ('bar -x foo', NS(x=RFile('foo'), spam=RFile('bar'))),
-        ('-x - -', NS(x=eq_stdin, spam=eq_stdin)),
+        ('-x - -', NS(x=eq_bstdin, spam=eq_bstdin)),
     ]
 
 
@@ -1660,8 +1709,9 @@ class TestFileTypeW(TempDirMixin, ParserTestCase):
     """Test the FileType option/argument type for writing files"""
 
     def setUp(self):
-        super(TestFileTypeW, self).setUp()
+        super().setUp()
         self.create_readonly_file('readonly')
+        self.create_writable_file('writable')
 
     argument_signatures = [
         Sig('-x', type=argparse.FileType('w')),
@@ -1670,13 +1720,37 @@ class TestFileTypeW(TempDirMixin, ParserTestCase):
     failures = ['-x', '', 'readonly']
     successes = [
         ('foo', NS(x=None, spam=WFile('foo'))),
+        ('writable', NS(x=None, spam=WFile('writable'))),
         ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))),
         ('bar -x foo', NS(x=WFile('foo'), spam=WFile('bar'))),
         ('-x - -', NS(x=eq_stdout, spam=eq_stdout)),
     ]
 
+@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
+                 "non-root user required")
+class TestFileTypeX(TempDirMixin, ParserTestCase):
+    """Test the FileType option/argument type for writing new files only"""
+
+    def setUp(self):
+        super().setUp()
+        self.create_readonly_file('readonly')
+        self.create_writable_file('writable')
+
+    argument_signatures = [
+        Sig('-x', type=argparse.FileType('x')),
+        Sig('spam', type=argparse.FileType('x')),
+    ]
+    failures = ['-x', '', 'readonly', 'writable']
+    successes = [
+        ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))),
+        ('-x - -', NS(x=eq_stdout, spam=eq_stdout)),
+    ]
+
 
+@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
+                 "non-root user required")
 class TestFileTypeWB(TempDirMixin, ParserTestCase):
+    """Test the FileType option/argument type for writing binary files"""
 
     argument_signatures = [
         Sig('-x', type=argparse.FileType('wb')),
@@ -1687,7 +1761,22 @@ class TestFileTypeWB(TempDirMixin, ParserTestCase):
         ('foo', NS(x=None, spam=WFile('foo'))),
         ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))),
         ('bar -x foo', NS(x=WFile('foo'), spam=WFile('bar'))),
-        ('-x - -', NS(x=eq_stdout, spam=eq_stdout)),
+        ('-x - -', NS(x=eq_bstdout, spam=eq_bstdout)),
+    ]
+
+
+@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
+                 "non-root user required")
+class TestFileTypeXB(TestFileTypeX):
+    "Test the FileType option/argument type for writing new binary files only"
+
+    argument_signatures = [
+        Sig('-x', type=argparse.FileType('xb')),
+        Sig('spam', type=argparse.FileType('xb')),
+    ]
+    successes = [
+        ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))),
+        ('-x - -', NS(x=eq_bstdout, spam=eq_bstdout)),
     ]
 
 
@@ -1830,8 +1919,7 @@ class TestActionUserDefined(ParserTestCase):
                     raise AssertionError('value: %s' % value)
                 assert expected_ns == namespace, ('expected %s, got %s' %
                                                   (expected_ns, namespace))
-            except AssertionError:
-                e = sys.exc_info()[1]
+            except AssertionError as e:
                 raise ArgumentParserError('opt_action failed: %s' % e)
             setattr(namespace, 'spam', value)
 
@@ -1856,8 +1944,7 @@ class TestActionUserDefined(ParserTestCase):
                     raise AssertionError('value: %s' % value)
                 assert expected_ns == namespace, ('expected %s, got %s' %
                                                   (expected_ns, namespace))
-            except AssertionError:
-                e = sys.exc_info()[1]
+            except AssertionError as e:
                 raise ArgumentParserError('arg_action failed: %s' % e)
             setattr(namespace, 'badger', value)
 
@@ -3599,6 +3686,8 @@ class TestHelpUsage(HelpTestCase):
         Sig('--bar', help='Whether to bar', default=True,
                      action=argparse.BooleanOptionalAction),
         Sig('-f', '--foobar', '--barfoo', action=argparse.BooleanOptionalAction),
+        Sig('--bazz', action=argparse.BooleanOptionalAction,
+                      default=argparse.SUPPRESS, help='Bazz!'),
     ]
     argument_group_signatures = [
         (Sig('group'), [
@@ -3611,8 +3700,8 @@ class TestHelpUsage(HelpTestCase):
     usage = '''\
         usage: PROG [-h] [-w W [W ...]] [-x [X ...]] [--foo | --no-foo]
                     [--bar | --no-bar]
-                    [-f | --foobar | --no-foobar | --barfoo | --no-barfoo] [-y [Y]]
-                    [-z Z Z Z]
+                    [-f | --foobar | --no-foobar | --barfoo | --no-barfoo]
+                    [--bazz | --no-bazz] [-y [Y]] [-z Z Z Z]
                     a b b [c] [d ...] e [e ...]
         '''
     help = usage + '''\
@@ -3629,6 +3718,7 @@ class TestHelpUsage(HelpTestCase):
           --foo, --no-foo       Whether to foo
           --bar, --no-bar       Whether to bar (default: True)
           -f, --foobar, --no-foobar, --barfoo, --no-barfoo
+          --bazz, --no-bazz     Bazz!
 
         group:
           -y [Y]                y

diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index 39fc7e9..95af9e2 100644 (file)
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -1045,8 +1045,7 @@ Module(
             ast.literal_eval(node)
 
     def test_literal_eval_syntax_errors(self):
-        msg = "unexpected character after line continuation character"
-        with self.assertRaisesRegex(SyntaxError, msg):
+        with self.assertRaisesRegex(SyntaxError, "unexpected indent"):
             ast.literal_eval(r'''
                 \
                 (\

diff --git a/Lib/test/test_asyncio/test_base_events.py b/Lib/test/test_asyncio/test_base_events.py
index f7ef23e..d77bf95 100644 (file)
--- a/Lib/test/test_asyncio/test_base_events.py
+++ b/Lib/test/test_asyncio/test_base_events.py
@@ -18,7 +18,7 @@ from test import support
 from test.support.script_helper import assert_python_ok
 from test.support import os_helper
 from test.support import socket_helper
-
+import warnings
 
 MOCK_ANY = mock.ANY
 PY34 = sys.version_info >= (3, 4)
@@ -801,6 +801,17 @@ class BaseEventLoopTests(test_utils.TestCase):
         task._log_destroy_pending = False
         coro.close()
 
+    def test_create_task_error_closes_coro(self):
+        async def test():
+            pass
+        loop = asyncio.new_event_loop()
+        loop.close()
+        with warnings.catch_warnings(record=True) as w:
+            with self.assertRaises(RuntimeError):
+                asyncio.ensure_future(test(), loop=loop)
+            self.assertEqual(len(w), 0)
+
+
     def test_create_named_task_with_default_factory(self):
         async def test():
             pass

diff --git a/Lib/test/test_asyncio/test_context.py b/Lib/test/test_asyncio/test_context.py
index 63b1eb3..6b80721 100644 (file)
--- a/Lib/test/test_asyncio/test_context.py
+++ b/Lib/test/test_asyncio/test_context.py
@@ -32,3 +32,7 @@ class DecimalContextTest(unittest.TestCase):
 
         self.assertEqual(str(r2[0]), '0.333333')
         self.assertEqual(str(r2[1]), '0.111111')
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_futures.py b/Lib/test/test_asyncio/test_futures.py
index 0c379e0..838147b 100644 (file)
--- a/Lib/test/test_asyncio/test_futures.py
+++ b/Lib/test/test_asyncio/test_futures.py
@@ -7,7 +7,7 @@ import sys
 import threading
 import unittest
 from unittest import mock
-
+from types import GenericAlias
 import asyncio
 from asyncio import futures
 from test.test_asyncio import utils as test_utils
@@ -109,6 +109,11 @@ class BaseFutureTests:
         self.loop = self.new_test_loop()
         self.addCleanup(self.loop.close)
 
+    def test_generic_alias(self):
+        future = self.cls[str]
+        self.assertEqual(future.__args__, (str,))
+        self.assertIsInstance(future, GenericAlias)
+
     def test_isfuture(self):
         class MyFuture:
             _asyncio_future_blocking = None

diff --git a/Lib/test/test_asyncio/test_futures2.py b/Lib/test/test_asyncio/test_futures2.py
index 13dbc70..60b5885 100644 (file)
--- a/Lib/test/test_asyncio/test_futures2.py
+++ b/Lib/test/test_asyncio/test_futures2.py
@@ -3,6 +3,10 @@ import asyncio
 import unittest
 
 
+def tearDownModule():
+    asyncio.set_event_loop_policy(None)
+
+
 class FutureTests(unittest.IsolatedAsyncioTestCase):
     async def test_recursive_repr_for_pending_tasks(self):
         # The call crashes if the guard for recursive call
@@ -16,3 +20,7 @@ class FutureTests(unittest.IsolatedAsyncioTestCase):
         # The check for returned string is not very reliable but
         # exact comparison for the whole string is even weaker.
         self.assertIn('...', repr(await asyncio.wait_for(func(), timeout=10)))
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_proactor_events.py b/Lib/test/test_asyncio/test_proactor_events.py
index 4c8906d..fc6ee1c 100644 (file)
--- a/Lib/test/test_asyncio/test_proactor_events.py
+++ b/Lib/test/test_asyncio/test_proactor_events.py
@@ -241,6 +241,14 @@ class ProactorSocketTransportTests(test_utils.TestCase):
         test_utils.run_briefly(self.loop)
         self.assertFalse(self.protocol.connection_lost.called)
 
+    def test_close_invalid_sockobj(self):
+        tr = self.socket_transport()
+        self.sock.fileno.return_value = -1
+        tr.close()
+        test_utils.run_briefly(self.loop)
+        self.protocol.connection_lost.assert_called_with(None)
+        self.assertFalse(self.sock.shutdown.called)
+
     @mock.patch('asyncio.base_events.logger')
     def test_fatal_error(self, m_logging):
         tr = self.socket_transport()
@@ -838,6 +846,7 @@ class BaseProactorEventLoopTests(test_utils.TestCase):
     def test_make_datagram_transport(self):
         tr = self.datagram_transport()
         self.assertIsInstance(tr, _ProactorDatagramTransport)
+        self.assertIsInstance(tr, asyncio.DatagramTransport)
         close_transport(tr)
 
     def test_datagram_loop_writing(self):

diff --git a/Lib/test/test_asyncio/test_protocols.py b/Lib/test/test_asyncio/test_protocols.py
index 438111c..0f23263 100644 (file)
--- a/Lib/test/test_asyncio/test_protocols.py
+++ b/Lib/test/test_asyncio/test_protocols.py
@@ -4,6 +4,12 @@ from unittest import mock
 import asyncio
 
 
+def tearDownModule():
+    # not needed for the test file but added for uniformness with all other
+    # asyncio test files for the sake of unified cleanup
+    asyncio.set_event_loop_policy(None)
+
+
 class ProtocolsAbsTests(unittest.TestCase):
 
     def test_base_protocol(self):
@@ -55,3 +61,7 @@ class ProtocolsAbsTests(unittest.TestCase):
         self.assertIsNone(sp.pipe_connection_lost(1, f))
         self.assertIsNone(sp.process_exited())
         self.assertFalse(hasattr(sp, '__dict__'))
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_queues.py b/Lib/test/test_asyncio/test_queues.py
index 63a9a5f..b1a53b8 100644 (file)
--- a/Lib/test/test_asyncio/test_queues.py
+++ b/Lib/test/test_asyncio/test_queues.py
@@ -1,9 +1,8 @@
 """Tests for queues.py"""
 
 import unittest
-from unittest import mock
-
 import asyncio
+from types import GenericAlias
 from test.test_asyncio import utils as test_utils
 
 
@@ -74,6 +73,11 @@ class QueueBasicTests(_QueueTestBase):
     def test_str(self):
         self._test_repr_or_str(str, False)
 
+    def test_generic_alias(self):
+        q = asyncio.Queue[int]
+        self.assertEqual(q.__args__, (int,))
+        self.assertIsInstance(q, GenericAlias)
+
     def test_empty(self):
         q = asyncio.Queue()
         self.assertTrue(q.empty())

diff --git a/Lib/test/test_asyncio/test_runners.py b/Lib/test/test_asyncio/test_runners.py
index b9ae02d..1122736 100644 (file)
--- a/Lib/test/test_asyncio/test_runners.py
+++ b/Lib/test/test_asyncio/test_runners.py
@@ -2,7 +2,11 @@ import asyncio
 import unittest
 
 from unittest import mock
-from . import utils as test_utils
+from test.test_asyncio import utils as test_utils
+
+
+def tearDownModule():
+    asyncio.set_event_loop_policy(None)
 
 
 class TestPolicy(asyncio.AbstractEventLoopPolicy):
@@ -180,3 +184,7 @@ class RunTests(BaseTest):
 
         self.assertIsNone(spinner.ag_frame)
         self.assertFalse(spinner.ag_running)
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
index 1613c75..ac221da 100644 (file)
--- a/Lib/test/test_asyncio/test_selector_events.py
+++ b/Lib/test/test_asyncio/test_selector_events.py
@@ -188,6 +188,24 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
         self.loop._csock.send.side_effect = RuntimeError()
         self.assertRaises(RuntimeError, self.loop._write_to_self)
 
+    @mock.patch('socket.getaddrinfo')
+    def test_sock_connect_resolve_using_socket_params(self, m_gai):
+        addr = ('need-resolution.com', 8080)
+        for sock_type in [socket.SOCK_STREAM, socket.SOCK_DGRAM]:
+            with self.subTest(sock_type):
+                sock = test_utils.mock_nonblocking_socket(type=sock_type)
+
+                m_gai.side_effect = \
+                    lambda *args: [(None, None, None, None, ('127.0.0.1', 0))]
+
+                con = self.loop.create_task(self.loop.sock_connect(sock, addr))
+                self.loop.run_until_complete(con)
+                m_gai.assert_called_with(
+                    addr[0], addr[1], sock.family, sock.type, sock.proto, 0)
+
+                self.loop.run_until_complete(con)
+                sock.connect.assert_called_with(('127.0.0.1', 0))
+
     def test_add_reader(self):
         self.loop._selector.get_key.side_effect = KeyError
         cb = lambda: True

diff --git a/Lib/test/test_asyncio/test_sendfile.py b/Lib/test/test_asyncio/test_sendfile.py
index 0a5466a..effca66 100644 (file)
--- a/Lib/test/test_asyncio/test_sendfile.py
+++ b/Lib/test/test_asyncio/test_sendfile.py
@@ -92,9 +92,13 @@ class MyProto(asyncio.Protocol):
 
 class SendfileBase:
 
-      # 128 KiB plus small unaligned to buffer chunk
-    DATA = b"SendfileBaseData" * (1024 * 8 + 1)
-
+    # 256 KiB plus small unaligned to buffer chunk
+    # Newer versions of Windows seems to have increased its internal 
+    # buffer and tries to send as much of the data as it can as it 
+    # has some form of buffering for this which is less than 256KiB
+    # on newer server versions and Windows 11.
+    # So DATA should be larger than 256 KiB to make this test reliable.
+    DATA = b"x" * (1024 * 256 + 1)
     # Reduce socket buffer size to test on relative small data sets.
     BUF_SIZE = 4 * 1024   # 4 KiB
 
@@ -565,3 +569,7 @@ else:
 
         def create_event_loop(self):
             return asyncio.SelectorEventLoop(selectors.SelectSelector())
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_sock_lowlevel.py b/Lib/test/test_asyncio/test_sock_lowlevel.py
index ab022a3..14001a4 100644 (file)
--- a/Lib/test/test_asyncio/test_sock_lowlevel.py
+++ b/Lib/test/test_asyncio/test_sock_lowlevel.py
@@ -1,5 +1,4 @@
 import socket
-import time
 import asyncio
 import sys
 import unittest
@@ -11,6 +10,10 @@ from test import support
 from test.support import socket_helper
 
 
+def tearDownModule():
+    asyncio.set_event_loop_policy(None)
+
+
 class MyProto(asyncio.Protocol):
     connected = None
     done = None
@@ -512,3 +515,7 @@ else:
 
         def create_event_loop(self):
             return asyncio.SelectorEventLoop(selectors.SelectSelector())
+
+
+if __name__ == '__main__':
+    unittest.main()

diff --git a/Lib/test/test_asyncio/test_sslproto.py b/Lib/test/test_asyncio/test_sslproto.py
index 22a216a..f7411a8 100644 (file)
--- a/Lib/test/test_asyncio/test_sslproto.py
+++ b/Lib/test/test_asyncio/test_sslproto.py
@@ -2,7 +2,6 @@
 
 import logging
 import socket
-from test import support
 import unittest
 import weakref
 from unittest import mock

diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index 1c05944..398b143 100644 (file)
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -15,6 +15,7 @@ import types
 import unittest
 import weakref
 from unittest import mock
+from types import GenericAlias
 
 import asyncio
 from asyncio import coroutines
@@ -120,6 +121,12 @@ class BaseTaskTests:
         self.loop.set_task_factory(self.new_task)
         self.loop.create_future = lambda: self.new_future(self.loop)
 
+
+    def test_generic_alias(self):
+        task = self.__class__.Task[str]
+        self.assertEqual(task.__args__, (str,))
+        self.assertIsInstance(task, GenericAlias)
+
     def test_task_cancel_message_getter(self):
         async def coro():
             pass
@@ -3586,6 +3593,20 @@ class CoroutineGatherTests(GatherTestsBase, test_utils.TestCase):
         test_utils.run_briefly(self.one_loop)
         self.assertIsInstance(f.exception(), RuntimeError)
 
+    def test_issue46672(self):
+        with mock.patch(
+            'asyncio.base_events.BaseEventLoop.call_exception_handler',
+        ):
+            async def coro(s):
+                return s
+            c = coro('abc')
+
+            with self.assertRaises(TypeError):
+                self._gather(c, {})
+            self._run_loop(self.one_loop)
+            # NameError should not happen:
+            self.one_loop.call_exception_handler.assert_not_called()
+
 
 class RunCoroutineThreadsafeTests(test_utils.TestCase):
     """Test case for asyncio.run_coroutine_threadsafe."""

diff --git a/Lib/test/test_asyncio/test_transports.py b/Lib/test/test_asyncio/test_transports.py
index df44855..bbdb218 100644 (file)
--- a/Lib/test/test_asyncio/test_transports.py
+++ b/Lib/test/test_asyncio/test_transports.py
@@ -7,6 +7,12 @@ import asyncio
 from asyncio import transports
 
 
+def tearDownModule():
+    # not needed for the test file but added for uniformness with all other
+    # asyncio test files for the sake of unified cleanup
+    asyncio.set_event_loop_policy(None)
+
+
 class TransportTests(unittest.TestCase):
 
     def test_ctor_extra_is_none(self):

diff --git a/Lib/test/test_asyncio/test_unix_events.py b/Lib/test/test_asyncio/test_unix_events.py
index c342285..2f68459 100644 (file)
--- a/Lib/test/test_asyncio/test_unix_events.py
+++ b/Lib/test/test_asyncio/test_unix_events.py
@@ -26,6 +26,10 @@ from asyncio import unix_events
 from test.test_asyncio import utils as test_utils
 
 
+def tearDownModule():
+    asyncio.set_event_loop_policy(None)
+
+
 MOCK_ANY = mock.ANY
 
 
@@ -39,10 +43,6 @@ def SIGNAL(signum):
     return 32768 - signum
 
 
-def tearDownModule():
-    asyncio.set_event_loop_policy(None)
-
-
 def close_pipe_transport(transport):
     # Don't call transport.close() because the event loop and the selector
     # are mocked

diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 6dc4fa5..4b0b15f 100644 (file)
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -581,8 +581,8 @@ class BuiltinTest(unittest.TestCase):
         # dir(traceback)
         try:
             raise IndexError
-        except:
-            self.assertEqual(len(dir(sys.exc_info()[2])), 4)
+        except IndexError as e:
+            self.assertEqual(len(dir(e.__traceback__)), 4)
 
         # test that object has a __dir__()
         self.assertEqual(sorted([].__dir__()), dir([]))
@@ -2090,12 +2090,24 @@ class PtyTests(unittest.TestCase):
         # is different and invokes GNU readline if available).
         self.check_input_tty("prompt", b"quux")
 
+    def skip_if_readline(self):
+        # bpo-13886: When the readline module is loaded, PyOS_Readline() uses
+        # the readline implementation. In some cases, the Python readline
+        # callback rlhandler() is called by readline with a string without
+        # non-ASCII characters. Skip tests on non-ASCII characters if the
+        # readline module is loaded, since test_builtin is not intented to test
+        # the readline module, but the builtins module.
+        if 'readline' in sys.modules:
+            self.skipTest("the readline module is loaded")
+
     def test_input_tty_non_ascii(self):
-        # Check stdin/stdout encoding is used when invoking GNU readline
+        self.skip_if_readline()
+        # Check stdin/stdout encoding is used when invoking PyOS_Readline()
         self.check_input_tty("prompté", b"quux\xe9", "utf-8")
 
     def test_input_tty_non_ascii_unicode_errors(self):
-        # Check stdin/stdout error handler is used when invoking GNU readline
+        self.skip_if_readline()
+        # Check stdin/stdout error handler is used when invoking PyOS_Readline()
         self.check_input_tty("prompté", b"quux\xe9", "ascii")
 
     def test_input_no_stdout_fileno(self):

diff --git a/Lib/test/test_calendar.py b/Lib/test/test_calendar.py
index c641e8c..39094ad 100644 (file)
--- a/Lib/test/test_calendar.py
+++ b/Lib/test/test_calendar.py
@@ -935,8 +935,7 @@ class CommandLineTestCase(unittest.TestCase):
 class MiscTestCase(unittest.TestCase):
     def test__all__(self):
         not_exported = {
-            'mdays', 'January', 'February', 'EPOCH', 'MONDAY', 'TUESDAY',
-            'WEDNESDAY', 'THURSDAY', 'FRIDAY', 'SATURDAY', 'SUNDAY',
+            'mdays', 'January', 'February', 'EPOCH',
             'different_locale', 'c', 'prweek', 'week', 'format',
             'formatstring', 'main', 'monthlen', 'prevmonth', 'nextmonth'}
         support.check__all__(self, calendar, not_exported=not_exported)

diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index ccb9d53..7b208c9 100644 (file)
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -1030,6 +1030,22 @@ class Test_ModuleStateAccess(unittest.TestCase):
                 with self.assertRaises(TypeError):
                     increment_count(1, 2, 3)
 
+    def test_get_module_bad_def(self):
+        # _PyType_GetModuleByDef fails gracefully if it doesn't
+        # find what it's looking for.
+        # see bpo-46433
+        instance = self.module.StateAccessType()
+        with self.assertRaises(TypeError):
+            instance.getmodulebydef_bad_def()
+
+    def test_get_module_static_in_mro(self):
+        # Here, the class _PyType_GetModuleByDef is looking for
+        # appears in the MRO after a static type (Exception).
+        # see bpo-46433
+        class Subclass(BaseException, self.module.StateAccessType):
+            pass
+        self.assertIs(Subclass().get_defining_module(), self.module)
+
 
 if __name__ == "__main__":
     unittest.main()

diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index f7310fb..a9c43d9 100644 (file)
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -32,7 +32,7 @@ def coding_checker(self, coder):
 # On small versions of Windows like Windows IoT or Windows Nano Server not all codepages are present
 def is_code_page_present(cp):
     from ctypes import POINTER, WINFUNCTYPE, WinDLL
-    from ctypes.wintypes import BOOL, UINT, BYTE, WCHAR, UINT, DWORD
+    from ctypes.wintypes import BOOL, BYTE, WCHAR, UINT, DWORD
 
     MAX_LEADBYTES = 12  # 5 ranges, 2 bytes ea., 0 term.
     MAX_DEFAULTCHAR = 2 # single or double byte

diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 5f80a58..9859d9a 100644 (file)
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -1023,7 +1023,7 @@ class TestExpressionStackSize(unittest.TestCase):
         kwargs = (f'a{i}=x' for i in range(self.N))
         self.check_stack_size("f(" +  ", ".join(kwargs) + ")")
 
-    def test_func_args(self):
+    def test_meth_args(self):
         self.check_stack_size("o.m(" + "x, " * self.N + ")")
 
     def test_meth_kwargs(self):

diff --git a/Lib/test/test_compileall.py b/Lib/test/test_compileall.py
index 9e15ecf..33f0c93 100644 (file)
--- a/Lib/test/test_compileall.py
+++ b/Lib/test/test_compileall.py
@@ -3,7 +3,6 @@ import contextlib
 import filecmp
 import importlib.util
 import io
-import itertools
 import os
 import pathlib
 import py_compile
@@ -29,9 +28,8 @@ except NotImplementedError:
 from test import support
 from test.support import os_helper
 from test.support import script_helper
-
-from .test_py_compile import without_source_date_epoch
-from .test_py_compile import SourceDateEpochTestMeta
+from test.test_py_compile import without_source_date_epoch
+from test.test_py_compile import SourceDateEpochTestMeta
 
 
 def get_pyc(script, opt):

diff --git a/Lib/test/test_concurrent_futures.py b/Lib/test/test_concurrent_futures.py
index 29e041d..50fa1f1 100644 (file)
--- a/Lib/test/test_concurrent_futures.py
+++ b/Lib/test/test_concurrent_futures.py
@@ -32,6 +32,12 @@ import multiprocessing.process
 import multiprocessing.util
 
 
+if support.check_sanitizer(address=True, memory=True):
+    # bpo-46633: Skip the test because it is too slow when Python is built
+    # with ASAN/MSAN: between 5 and 20 minutes on GitHub Actions.
+    raise unittest.SkipTest("test too slow on ASAN/MSAN build")
+
+
 def create_future(state=PENDING, exception=None, result=None):
     f = Future()
     f._state = state

diff --git a/Lib/test/test_crypt.py b/Lib/test/test_crypt.py
index 5dc83b4..877c575 100644 (file)
--- a/Lib/test/test_crypt.py
+++ b/Lib/test/test_crypt.py
@@ -1,8 +1,11 @@
 import sys
 import unittest
+from test.support import check_sanitizer
 
 
 try:
+    if check_sanitizer(address=True, memory=True):
+        raise unittest.SkipTest("The crypt module SEGFAULTs on ASAN/MSAN builds")
     import crypt
     IMPORT_ERROR = None
 except ImportError as ex:

diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index b6173a5..310c105 100644 (file)
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -34,7 +34,7 @@ import numbers
 import locale
 from test.support import (run_unittest, run_doctest, is_resource_enabled,
                           requires_IEEE_754, requires_docstrings,
-                          requires_legacy_unicode_capi)
+                          requires_legacy_unicode_capi, check_sanitizer)
 from test.support import (TestFailed,
                           run_with_locale, cpython_only,
                           darwin_malloc_err_warning)
@@ -43,17 +43,6 @@ from test.support import warnings_helper
 import random
 import inspect
 import threading
-import sysconfig
-_cflags = sysconfig.get_config_var('CFLAGS') or ''
-_config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
-MEMORY_SANITIZER = (
-    '-fsanitize=memory' in _cflags or
-    '--with-memory-sanitizer' in _config_args
-)
-
-ADDRESS_SANITIZER = (
-    '-fsanitize=address' in _cflags
-)
 
 
 if sys.platform == 'darwin':
@@ -5511,7 +5500,8 @@ class CWhitebox(unittest.TestCase):
     # Issue 41540:
     @unittest.skipIf(sys.platform.startswith("aix"),
                      "AIX: default ulimit: test is flaky because of extreme over-allocation")
-    @unittest.skipIf(MEMORY_SANITIZER or ADDRESS_SANITIZER, "sanitizer defaults to crashing "
+    @unittest.skipIf(check_sanitizer(address=True, memory=True),
+                     "ASAN/MSAN sanitizer defaults to crashing "
                      "instead of returning NULL for malloc failure.")
     def test_maxcontext_exact_arith(self):
 

diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py
index 54d1002..8aad4a5 100644 (file)
--- a/Lib/test/test_dict.py
+++ b/Lib/test/test_dict.py
@@ -1465,7 +1465,7 @@ class DictTest(unittest.TestCase):
         self.assertTrue(gc.is_tracked(next(it)))
 
     @support.cpython_only
-    def test_dict_items_result_gc(self):
+    def test_dict_items_result_gc_reversed(self):
         # Same as test_dict_items_result_gc above, but reversed.
         it = reversed({None: []}.items())
         gc.collect()

diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
index 000549f..23a1718 100644 (file)
--- a/Lib/test/test_dis.py
+++ b/Lib/test/test_dis.py
@@ -1044,7 +1044,7 @@ expected_opinfo_jumpy = [
   Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=34, starts_line=None, is_jump_target=False),
   Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=21, argval=42, argrepr='to 42', offset=36, starts_line=None, is_jump_target=False),
   Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=38, starts_line=8, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=26, argval=52, argrepr='to 52', offset=40, starts_line=None, is_jump_target=False),
+  Instruction(opname='JUMP_FORWARD', opcode=110, arg=5, argval=52, argrepr='to 52', offset=40, starts_line=None, is_jump_target=False),
   Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=4, argval=8, argrepr='to 8', offset=42, starts_line=7, is_jump_target=True),
   Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=44, starts_line=10, is_jump_target=True),
   Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=46, starts_line=None, is_jump_target=False),
@@ -1069,7 +1069,7 @@ expected_opinfo_jumpy = [
   Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=84, starts_line=None, is_jump_target=False),
   Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=86, starts_line=None, is_jump_target=False),
   Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=46, argval=92, argrepr='to 92', offset=88, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=52, argval=104, argrepr='to 104', offset=90, starts_line=17, is_jump_target=False),
+  Instruction(opname='JUMP_FORWARD', opcode=110, arg=6, argval=104, argrepr='to 104', offset=90, starts_line=17, is_jump_target=False),
   Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=92, starts_line=11, is_jump_target=True),
   Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=28, argval=56, argrepr='to 56', offset=94, starts_line=None, is_jump_target=False),
   Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=96, starts_line=19, is_jump_target=True),

diff --git a/Lib/test/test_distutils.py b/Lib/test/test_distutils.py
index 4b40af0..d82d2b6 100644 (file)
--- a/Lib/test/test_distutils.py
+++ b/Lib/test/test_distutils.py
@@ -5,7 +5,7 @@ the test_suite() function there returns a test suite that's ready to
 be run.
 """
 
-import warnings
+import unittest
 from test import support
 from test.support import warnings_helper
 

diff --git a/Lib/test/test_dtrace.py b/Lib/test/test_dtrace.py
index 3957077..8a436ad 100644 (file)
--- a/Lib/test/test_dtrace.py
+++ b/Lib/test/test_dtrace.py
@@ -170,4 +170,4 @@ class SystemTapOptimizedTests(TraceTests, unittest.TestCase):
 
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()

diff --git a/Lib/test/test_email/data/PyBanner048.gif b/Lib/test/test_email/data/PyBanner048.gif
index 1a5c87f..7e308f5 100644 (file)
Binary files a/Lib/test/test_email/data/PyBanner048.gif and b/Lib/test/test_email/data/PyBanner048.gif differ

diff --git a/Lib/test/test_email/test__header_value_parser.py b/Lib/test/test_email/test__header_value_parser.py
index 1bdcfa1..854f2ff 100644 (file)
--- a/Lib/test/test_email/test__header_value_parser.py
+++ b/Lib/test/test_email/test__header_value_parser.py
@@ -395,7 +395,7 @@ class TestParser(TestParserMixin, TestEmailBase):
             [errors.InvalidHeaderDefect],
             '')
 
-    def test_get_unstructured_invalid_ew(self):
+    def test_get_unstructured_invalid_ew2(self):
         self._test_get_x(self._get_unst,
             '=?utf-8?q?=somevalue?=',
             '=?utf-8?q?=somevalue?=',

diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 86b5dcc..2bdd721 100644 (file)
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -227,11 +227,11 @@ class ExceptionTests(unittest.TestCase):
         check('x = "a', 1, 5)
         check('lambda x: x = 2', 1, 1)
         check('f{a + b + c}', 1, 2)
-        check('[file for str(file) in []\n])', 1, 11)
+        check('[file for str(file) in []\n]', 1, 11)
         check('a = « hello » « world »', 1, 5)
         check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5)
         check('[file for\n str(file) in []]', 2, 2)
-        check("ages = {'Alice'=22, 'Bob'=23}", 1, 16)
+        check("ages = {'Alice'=22, 'Bob'=23}", 1, 9)
         check('match ...:\n    case {**rest, "key": value}:\n        ...', 2, 19)
         check("[a b c d e f]", 1, 2)
         check("for x yfff:", 1, 7)
@@ -278,6 +278,12 @@ class ExceptionTests(unittest.TestCase):
             }
             \"\"\"
             }'''""", 5, 17)
+        check('''f"""
+
+
+            {
+            6
+            0="""''', 5, 13)
 
         # Errors thrown by symtable.c
         check('x = [(yield i) for i in range(3)]', 1, 7)
@@ -642,15 +648,27 @@ class ExceptionTests(unittest.TestCase):
         self.assertTrue(str(Exception('a')))
         self.assertTrue(str(Exception('a', 'b')))
 
-    def testExceptionCleanupNames(self):
+    def test_exception_cleanup_names(self):
         # Make sure the local variable bound to the exception instance by
         # an "except" statement is only visible inside the except block.
         try:
             raise Exception()
         except Exception as e:
-            self.assertTrue(e)
+            self.assertIsInstance(e, Exception)
+        self.assertNotIn('e', locals())
+        with self.assertRaises(UnboundLocalError):
+            e
+
+    def test_exception_cleanup_names2(self):
+        # Make sure the cleanup doesn't break if the variable is explicitly deleted.
+        try:
+            raise Exception()
+        except Exception as e:
+            self.assertIsInstance(e, Exception)
             del e
         self.assertNotIn('e', locals())
+        with self.assertRaises(UnboundLocalError):
+            e
 
     def testExceptionCleanupState(self):
         # Make sure exception state is cleaned up as soon as the except
@@ -2183,6 +2201,24 @@ class AttributeErrorTests(unittest.TestCase):
 
         self.assertNotIn("?", err.getvalue())
 
+    def test_attribute_error_inside_nested_getattr(self):
+        class A:
+            bluch = 1
+
+        class B:
+            def __getattribute__(self, attr):
+                a = A()
+                return a.blich
+
+        try:
+            B().something
+        except AttributeError as exc:
+            with support.captured_stderr() as err:
+                sys.__excepthook__(*sys.exc_info())
+
+        self.assertIn("Did you mean", err.getvalue())
+        self.assertIn("bluch", err.getvalue())
+
 
 class ImportErrorTests(unittest.TestCase):
 

diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py
index ee3f41a..e0f09e8 100644 (file)
--- a/Lib/test/test_faulthandler.py
+++ b/Lib/test/test_faulthandler.py
@@ -6,10 +6,10 @@ import re
 import signal
 import subprocess
 import sys
-import sysconfig
 from test import support
 from test.support import os_helper
 from test.support import script_helper, is_android
+from test.support import skip_if_sanitizer
 import tempfile
 import unittest
 from textwrap import dedent
@@ -21,16 +21,6 @@ except ImportError:
 
 TIMEOUT = 0.5
 MS_WINDOWS = (os.name == 'nt')
-_cflags = sysconfig.get_config_var('CFLAGS') or ''
-_config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
-UB_SANITIZER = (
-    '-fsanitize=undefined' in _cflags or
-    '--with-undefined-behavior-sanitizer' in _config_args
-)
-MEMORY_SANITIZER = (
-    '-fsanitize=memory' in _cflags or
-    '--with-memory-sanitizer' in _config_args
-)
 
 
 def expected_traceback(lineno1, lineno2, header, min_count=1):
@@ -310,8 +300,8 @@ class FaultHandlerTests(unittest.TestCase):
             3,
             'Segmentation fault')
 
-    @unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
-                     "sanitizer builds change crashing process output.")
+    @skip_if_sanitizer(memory=True, ub=True, reason="sanitizer "
+                       "builds change crashing process output.")
     @skip_segfault_on_android
     def test_enable_file(self):
         with temporary_filename() as filename:
@@ -327,8 +317,8 @@ class FaultHandlerTests(unittest.TestCase):
 
     @unittest.skipIf(sys.platform == "win32",
                      "subprocess doesn't support pass_fds on Windows")
-    @unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
-                     "sanitizer builds change crashing process output.")
+    @skip_if_sanitizer(memory=True, ub=True, reason="sanitizer "
+                       "builds change crashing process output.")
     @skip_segfault_on_android
     def test_enable_fd(self):
         with tempfile.TemporaryFile('wb+') as fp:

diff --git a/Lib/test/test_flufl.py b/Lib/test/test_flufl.py
index 0ff54aa..a81a4d4 100644 (file)
--- a/Lib/test/test_flufl.py
+++ b/Lib/test/test_flufl.py
@@ -17,7 +17,7 @@ class FLUFLTests(unittest.TestCase):
         self.assertIn('2 != 3', cm.exception.text)
         self.assertEqual(cm.exception.filename, '<FLUFL test>')
 
-        self.assertTrue(cm.exception.lineno, 2)
+        self.assertEqual(cm.exception.lineno, 2)
         # The old parser reports the end of the token and the new
         # parser reports the start of the token
         self.assertEqual(cm.exception.offset, 3)

diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py
index bd1ca94..0c255c2 100644 (file)
--- a/Lib/test/test_fstring.py
+++ b/Lib/test/test_fstring.py
@@ -746,12 +746,16 @@ x = (
         # differently inside f-strings.
         self.assertAllRaise(SyntaxError, r"\(unicode error\) 'unicodeescape' codec can't decode bytes in position .*: malformed \\N character escape",
                             [r"f'\N'",
+                             r"f'\N '",
+                             r"f'\N  '",  # See bpo-46503.
                              r"f'\N{'",
                              r"f'\N{GREEK CAPITAL LETTER DELTA'",
 
                              # Here are the non-f-string versions,
                              #  which should give the same errors.
                              r"'\N'",
+                             r"'\N '",
+                             r"'\N  '",
                              r"'\N{'",
                              r"'\N{GREEK CAPITAL LETTER DELTA'",
                              ])
@@ -1049,6 +1053,8 @@ x = (
                              "f'{{{'",
                              "f'{{}}{'",
                              "f'{'",
+                             "f'x{<'",  # See bpo-46762.
+                             "f'x{>'",
                              ])
 
         # But these are just normal strings.

diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index 56e3d8a..2f5cc06 100644 (file)
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -56,6 +56,13 @@ MLSD_DATA = ("type=cdir;perm=el;unique==keVO1+ZF4; test\r\n"
              "type=file;perm=r;unique==SGP2; file \xAE non-ascii char\r\n")
 
 
+def default_error_handler():
+    # bpo-44359: Silently ignore socket errors. Such errors occur when a client
+    # socket is closed, in TestFTPClass.tearDown() and makepasv() tests, and
+    # the server gets an error on its side.
+    pass
+
+
 class DummyDTPHandler(asynchat.async_chat):
     dtp_conn_closed = False
 
@@ -87,7 +94,7 @@ class DummyDTPHandler(asynchat.async_chat):
         super(DummyDTPHandler, self).push(what.encode(self.encoding))
 
     def handle_error(self):
-        raise Exception
+        default_error_handler()
 
 
 class DummyFTPHandler(asynchat.async_chat):
@@ -137,7 +144,7 @@ class DummyFTPHandler(asynchat.async_chat):
             self.push('550 command "%s" not understood.' %cmd)
 
     def handle_error(self):
-        raise Exception
+        default_error_handler()
 
     def push(self, data):
         asynchat.async_chat.push(self, data.encode(self.encoding) + b'\r\n')
@@ -315,7 +322,7 @@ class DummyFTPServer(asyncore.dispatcher, threading.Thread):
         return 0
 
     def handle_error(self):
-        raise Exception
+        default_error_handler()
 
 
 if ssl is not None:
@@ -418,7 +425,7 @@ if ssl is not None:
                 raise
 
         def handle_error(self):
-            raise Exception
+            default_error_handler()
 
         def close(self):
             if (isinstance(self.socket, ssl.SSLSocket) and

diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index b6c4574..2b9f7df 100644 (file)
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -214,90 +214,35 @@ class TokenTests(unittest.TestCase):
         check("1e+", "invalid decimal literal")
 
     def test_end_of_numerical_literals(self):
-        def check(test):
-            with self.assertWarns(DeprecationWarning):
-                compile(test, "<testcase>", "eval")
-
-        def check_error(test):
-            with warnings.catch_warnings(record=True) as w:
-                with self.assertRaises(SyntaxError):
-                    compile(test, "<testcase>", "eval")
-            self.assertEqual(w,  [])
-
-        check_error("0xfand x")
-        check("0o7and x")
-        check("0b1and x")
-        check("9and x")
-        check("0and x")
-        check("1.and x")
-        check("1e3and x")
-        check("1jand x")
-
-        check("0xfor x")
-        check("0o7or x")
-        check("0b1or x")
-        check("9or x")
-        check_error("0or x")
-        check("1.or x")
-        check("1e3or x")
-        check("1jor x")
-
-        check("0xfin x")
-        check("0o7in x")
-        check("0b1in x")
-        check("9in x")
-        check("0in x")
-        check("1.in x")
-        check("1e3in x")
-        check("1jin x")
-
-        with warnings.catch_warnings():
-            warnings.simplefilter('ignore', SyntaxWarning)
-            check("0xfis x")
-            check("0o7is x")
-            check("0b1is x")
-            check("9is x")
-            check("0is x")
-            check("1.is x")
-            check("1e3is x")
-            check("1jis x")
-
-        check("0xfif x else y")
-        check("0o7if x else y")
-        check("0b1if x else y")
-        check("9if x else y")
-        check("0if x else y")
-        check("1.if x else y")
-        check("1e3if x else y")
-        check("1jif x else y")
-
-        check_error("x if 0xfelse y")
-        check("x if 0o7else y")
-        check("x if 0b1else y")
-        check("x if 9else y")
-        check("x if 0else y")
-        check("x if 1.else y")
-        check("x if 1e3else y")
-        check("x if 1jelse y")
+        def check(test, error=False):
+            with self.subTest(expr=test):
+                if error:
+                    with warnings.catch_warnings(record=True) as w:
+                        with self.assertRaises(SyntaxError):
+                            compile(test, "<testcase>", "eval")
+                    self.assertEqual(w,  [])
+                else:
+                    with self.assertWarns(DeprecationWarning):
+                        compile(test, "<testcase>", "eval")
+
+        for num in "0xf", "0o7", "0b1", "9", "0", "1.", "1e3", "1j":
+            compile(num, "<testcase>", "eval")
+            check(f"{num}and x", error=(num == "0xf"))
+            check(f"{num}or x", error=(num == "0"))
+            check(f"{num}in x")
+            check(f"{num}not in x")
+            with warnings.catch_warnings():
+                warnings.filterwarnings('ignore', '"is" with a literal',
+                                        SyntaxWarning)
+                check(f"{num}is x")
+            check(f"{num}if x else y")
+            check(f"x if {num}else y", error=(num == "0xf"))
+            check(f"[{num}for x in ()]")
+            check(f"{num}spam", error=True)
 
         check("[0x1ffor x in ()]")
         check("[0x1for x in ()]")
         check("[0xfor x in ()]")
-        check("[0o7for x in ()]")
-        check("[0b1for x in ()]")
-        check("[9for x in ()]")
-        check("[1.for x in ()]")
-        check("[1e3for x in ()]")
-        check("[1jfor x in ()]")
-
-        check_error("0xfspam")
-        check_error("0o7spam")
-        check_error("0b1spam")
-        check_error("9spam")
-        check_error("0spam")
-        check_error("1.spam")
-        check_error("1e3spam")
-        check_error("1jspam")
 
     def test_string_literals(self):
         x = ''; y = ""; self.assertTrue(len(x) == 0 and x == y)

diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index 110eb48..ea31f8b 100644 (file)
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -64,6 +64,10 @@ except ImportError:
 
 requires_blake2 = unittest.skipUnless(_blake2, 'requires _blake2')
 
+# bpo-46913: Don't test the _sha3 extension on a Python UBSAN build
+SKIP_SHA3 = support.check_sanitizer(ub=True)
+requires_sha3 = unittest.skipUnless(not SKIP_SHA3, 'requires _sha3')
+
 
 def hexstr(s):
     assert isinstance(s, bytes), repr(s)
@@ -125,6 +129,8 @@ class HashLibTestCase(unittest.TestCase):
 
         self.constructors_to_test = {}
         for algorithm in algorithms:
+            if SKIP_SHA3 and algorithm.startswith('sha3_'):
+                continue
             self.constructors_to_test[algorithm] = set()
 
         # For each algorithm, test the direct constructor and the use
@@ -177,14 +183,15 @@ class HashLibTestCase(unittest.TestCase):
             add_builtin_constructor('blake2s')
             add_builtin_constructor('blake2b')
 
-        _sha3 = self._conditional_import_module('_sha3')
-        if _sha3:
-            add_builtin_constructor('sha3_224')
-            add_builtin_constructor('sha3_256')
-            add_builtin_constructor('sha3_384')
-            add_builtin_constructor('sha3_512')
-            add_builtin_constructor('shake_128')
-            add_builtin_constructor('shake_256')
+        if not SKIP_SHA3:
+            _sha3 = self._conditional_import_module('_sha3')
+            if _sha3:
+                add_builtin_constructor('sha3_224')
+                add_builtin_constructor('sha3_256')
+                add_builtin_constructor('sha3_384')
+                add_builtin_constructor('sha3_512')
+                add_builtin_constructor('shake_128')
+                add_builtin_constructor('shake_256')
 
         super(HashLibTestCase, self).__init__(*args, **kwargs)
 
@@ -383,6 +390,7 @@ class HashLibTestCase(unittest.TestCase):
         self.check_no_unicode('blake2b')
         self.check_no_unicode('blake2s')
 
+    @requires_sha3
     def test_no_unicode_sha3(self):
         self.check_no_unicode('sha3_224')
         self.check_no_unicode('sha3_256')
@@ -418,6 +426,7 @@ class HashLibTestCase(unittest.TestCase):
         self.check_blocksize_name('sha384', 128, 48)
         self.check_blocksize_name('sha512', 128, 64)
 
+    @requires_sha3
     def test_blocksize_name_sha3(self):
         self.check_blocksize_name('sha3_224', 144, 28)
         self.check_blocksize_name('sha3_256', 136, 32)
@@ -438,6 +447,7 @@ class HashLibTestCase(unittest.TestCase):
             self.assertEqual(m._rate_bits, rate)
             self.assertEqual(m._suffix, suffix)
 
+    @requires_sha3
     def test_extra_sha3(self):
         self.check_sha3('sha3_224', 448, 1152, b'\x06')
         self.check_sha3('sha3_256', 512, 1088, b'\x06')
@@ -777,36 +787,44 @@ class HashLibTestCase(unittest.TestCase):
             key = bytes.fromhex(key)
             self.check('blake2s', msg, md, key=key)
 
+    @requires_sha3
     def test_case_sha3_224_0(self):
         self.check('sha3_224', b"",
           "6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7")
 
+    @requires_sha3
     def test_case_sha3_224_vector(self):
         for msg, md in read_vectors('sha3_224'):
             self.check('sha3_224', msg, md)
 
+    @requires_sha3
     def test_case_sha3_256_0(self):
         self.check('sha3_256', b"",
           "a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a")
 
+    @requires_sha3
     def test_case_sha3_256_vector(self):
         for msg, md in read_vectors('sha3_256'):
             self.check('sha3_256', msg, md)
 
+    @requires_sha3
     def test_case_sha3_384_0(self):
         self.check('sha3_384', b"",
           "0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2a"+
           "c3713831264adb47fb6bd1e058d5f004")
 
+    @requires_sha3
     def test_case_sha3_384_vector(self):
         for msg, md in read_vectors('sha3_384'):
             self.check('sha3_384', msg, md)
 
+    @requires_sha3
     def test_case_sha3_512_0(self):
         self.check('sha3_512', b"",
           "a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a6"+
           "15b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26")
 
+    @requires_sha3
     def test_case_sha3_512_vector(self):
         for msg, md in read_vectors('sha3_512'):
             self.check('sha3_512', msg, md)

diff --git a/Lib/test/test_idle.py b/Lib/test/test_idle.py
index 8756b76..b94b18a 100644 (file)
--- a/Lib/test/test_idle.py
+++ b/Lib/test/test_idle.py
@@ -1,5 +1,9 @@
 import unittest
 from test.support.import_helper import import_module
+from test.support import check_sanitizer
+
+if check_sanitizer(address=True, memory=True):
+    raise unittest.SkipTest("Tests involvin libX11 can SEGFAULT on ASAN/MSAN builds")
 
 # Skip test_idle if _tkinter wasn't built, if tkinter is missing,
 # if tcl/tk is not the 8.5+ needed for ttk widgets,

diff --git a/Lib/test/test_importlib/test_metadata_api.py b/Lib/test/test_importlib/test_metadata_api.py
index 4a45312..799f007 100644 (file)
--- a/Lib/test/test_importlib/test_metadata_api.py
+++ b/Lib/test/test_importlib/test_metadata_api.py
@@ -172,6 +172,11 @@ class APITests(
             entry_points().get('entries', 'default') == entry_points()['entries']
             entry_points().get('missing', ()) == ()
 
+    def test_entry_points_allows_no_attributes(self):
+        ep = entry_points().select(group='entries', name='main')
+        with self.assertRaises(AttributeError):
+            ep.foo = 4
+
     def test_metadata_for_this_package(self):
         md = metadata('egginfo-pkg')
         assert md['author'] == 'Steven Ma'
@@ -217,6 +222,16 @@ class APITests(
         assert len(deps) == 2
         assert any(dep == 'wheel >= 1.0; python_version >= "2.7"' for dep in deps)
 
+    def test_requires_egg_info_empty(self):
+        fixtures.build_files(
+            {
+                'requires.txt': '',
+            },
+            self.site_dir.joinpath('egginfo_pkg.egg-info'),
+        )
+        deps = requires('egginfo-pkg')
+        assert deps == []
+
     def test_requires_dist_info(self):
         deps = requires('distinfo-pkg')
         assert len(deps) == 2

diff --git a/Lib/test/test_importlib/test_namespace_pkgs.py b/Lib/test/test_importlib/test_namespace_pkgs.py
index 3fe3ddc..295f97e 100644 (file)
--- a/Lib/test/test_importlib/test_namespace_pkgs.py
+++ b/Lib/test/test_importlib/test_namespace_pkgs.py
@@ -2,6 +2,7 @@ import contextlib
 import importlib
 import os
 import sys
+import tempfile
 import unittest
 import warnings
 
@@ -128,6 +129,40 @@ class SeparatedNamespacePackages(NamespacePackageTest):
         self.assertEqual(foo.two.attr, 'portion2 foo two')
 
 
+class SeparatedNamespacePackagesCreatedWhileRunning(NamespacePackageTest):
+    paths = ['portion1']
+
+    def test_invalidate_caches(self):
+        with tempfile.TemporaryDirectory() as temp_dir:
+            # we manipulate sys.path before anything is imported to avoid
+            # accidental cache invalidation when changing it
+            sys.path.append(temp_dir)
+
+            import foo.one
+            self.assertEqual(foo.one.attr, 'portion1 foo one')
+
+            # the module does not exist, so it cannot be imported
+            with self.assertRaises(ImportError):
+                import foo.just_created
+
+            # util.create_modules() manipulates sys.path
+            # so we must create the modules manually instead
+            namespace_path = os.path.join(temp_dir, 'foo')
+            os.mkdir(namespace_path)
+            module_path = os.path.join(namespace_path, 'just_created.py')
+            with open(module_path, 'w', encoding='utf-8') as file:
+                file.write('attr = "just_created foo"')
+
+            # the module is not known, so it cannot be imported yet
+            with self.assertRaises(ImportError):
+                import foo.just_created
+
+            # but after explicit cache invalidation, it is importable
+            importlib.invalidate_caches()
+            import foo.just_created
+            self.assertEqual(foo.just_created.attr, 'just_created foo')
+
+
 class SeparatedOverlappingNamespacePackages(NamespacePackageTest):
     paths = ['portion1', 'both_portions']
 

diff --git a/Lib/test/test_importlib/test_windows.py b/Lib/test/test_importlib/test_windows.py
index 6f09c5a..1b9e185 100644 (file)
--- a/Lib/test/test_importlib/test_windows.py
+++ b/Lib/test/test_importlib/test_windows.py
@@ -61,17 +61,28 @@ def setup_module(machinery, name, path=None):
         root = machinery.WindowsRegistryFinder.REGISTRY_KEY
     key = root.format(fullname=name,
                       sys_version='%d.%d' % sys.version_info[:2])
+    base_key = "Software\\Python\\PythonCore\\{}.{}".format(
+        sys.version_info.major, sys.version_info.minor)
+    assert key.casefold().startswith(base_key.casefold()), (
+        "expected key '{}' to start with '{}'".format(key, base_key))
     try:
         with temp_module(name, "a = 1") as location:
+            try:
+                OpenKey(HKEY_CURRENT_USER, base_key)
+                if machinery.WindowsRegistryFinder.DEBUG_BUILD:
+                    delete_key = os.path.dirname(key)
+                else:
+                    delete_key = key
+            except OSError:
+                delete_key = base_key
             subkey = CreateKey(HKEY_CURRENT_USER, key)
             if path is None:
                 path = location + ".py"
             SetValue(subkey, "", REG_SZ, path)
             yield
     finally:
-        if machinery.WindowsRegistryFinder.DEBUG_BUILD:
-            key = os.path.dirname(key)
-        delete_registry_tree(HKEY_CURRENT_USER, key)
+        if delete_key:
+            delete_registry_tree(HKEY_CURRENT_USER, delete_key)
 
 
 @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')

diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 93ff2f8..28e4f5b 100644 (file)
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -132,8 +132,8 @@ class TestPredicates(IsTestBase):
         self.istest(inspect.iscode, 'mod.spam.__code__')
         try:
             1/0
-        except:
-            tb = sys.exc_info()[2]
+        except Exception as e:
+            tb = e.__traceback__
             self.istest(inspect.isframe, 'tb.tb_frame')
             self.istest(inspect.istraceback, 'tb')
             if hasattr(types, 'GetSetDescriptorType'):
@@ -4218,6 +4218,17 @@ class TestSignatureDefinitions(unittest.TestCase):
         sig = inspect.signature(func)
         self.assertEqual(str(sig), '(self, a, b=1, /, *args, c, d=2, **kwargs)')
 
+    def test_base_class_have_text_signature(self):
+        # see issue 43118
+        from test.ann_module7 import BufferedReader
+        class MyBufferedReader(BufferedReader):
+            """buffer reader class."""
+
+        text_signature = BufferedReader.__text_signature__
+        self.assertEqual(text_signature, '(raw, buffer_size=DEFAULT_BUFFER_SIZE)')
+        sig = inspect.signature(MyBufferedReader)
+        self.assertEqual(str(sig), '(raw, buffer_size=8192)')
+
 
 class NTimesUnwrappable:
     def __init__(self, n):

diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 35013b6..fb83762 100644 (file)
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -28,7 +28,6 @@ import pickle
 import random
 import signal
 import sys
-import sysconfig
 import textwrap
 import threading
 import time
@@ -44,6 +43,7 @@ from test.support import import_helper
 from test.support import os_helper
 from test.support import threading_helper
 from test.support import warnings_helper
+from test.support import skip_if_sanitizer
 from test.support.os_helper import FakePath
 
 import codecs
@@ -66,17 +66,6 @@ else:
     class EmptyStruct(ctypes.Structure):
         pass
 
-_cflags = sysconfig.get_config_var('CFLAGS') or ''
-_config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
-MEMORY_SANITIZER = (
-    '-fsanitize=memory' in _cflags or
-    '--with-memory-sanitizer' in _config_args
-)
-
-ADDRESS_SANITIZER = (
-    '-fsanitize=address' in _cflags
-)
-
 # Does io.IOBase finalizer log the exception if the close() method fails?
 # The exception is ignored silently by default in release build.
 IOBASE_EMITS_UNRAISABLE = (hasattr(sys, "gettotalrefcount") or sys.flags.dev_mode)
@@ -1550,8 +1539,8 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
 class CBufferedReaderTest(BufferedReaderTest, SizeofTest):
     tp = io.BufferedReader
 
-    @unittest.skipIf(MEMORY_SANITIZER or ADDRESS_SANITIZER, "sanitizer defaults to crashing "
-                     "instead of returning NULL for malloc failure.")
+    @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+                       "instead of returning NULL for malloc failure.")
     def test_constructor(self):
         BufferedReaderTest.test_constructor(self)
         # The allocation can succeed on 32-bit builds, e.g. with more
@@ -1915,8 +1904,8 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
 class CBufferedWriterTest(BufferedWriterTest, SizeofTest):
     tp = io.BufferedWriter
 
-    @unittest.skipIf(MEMORY_SANITIZER or ADDRESS_SANITIZER, "sanitizer defaults to crashing "
-                     "instead of returning NULL for malloc failure.")
+    @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+                       "instead of returning NULL for malloc failure.")
     def test_constructor(self):
         BufferedWriterTest.test_constructor(self)
         # The allocation can succeed on 32-bit builds, e.g. with more
@@ -2414,8 +2403,8 @@ class BufferedRandomTest(BufferedReaderTest, BufferedWriterTest):
 class CBufferedRandomTest(BufferedRandomTest, SizeofTest):
     tp = io.BufferedRandom
 
-    @unittest.skipIf(MEMORY_SANITIZER or ADDRESS_SANITIZER, "sanitizer defaults to crashing "
-                     "instead of returning NULL for malloc failure.")
+    @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing "
+                       "instead of returning NULL for malloc failure.")
     def test_constructor(self):
         BufferedRandomTest.test_constructor(self)
         # The allocation can succeed on 32-bit builds, e.g. with more

diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index a12f6f0..4c9c597 100644 (file)
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -2394,6 +2394,21 @@ Samuele
 ...     else:
 ...         return starmap(func, repeat(args, times))
 
+>>> def grouper(iterable, n, *, incomplete='fill', fillvalue=None):
+...     "Collect data into non-overlapping fixed-length chunks or blocks"
+...     # grouper('ABCDEFG', 3, fillvalue='x') --> ABC DEF Gxx
+...     # grouper('ABCDEFG', 3, incomplete='strict') --> ABC DEF ValueError
+...     # grouper('ABCDEFG', 3, incomplete='ignore') --> ABC DEF
+...     args = [iter(iterable)] * n
+...     if incomplete == 'fill':
+...         return zip_longest(*args, fillvalue=fillvalue)
+...     if incomplete == 'strict':
+...         return zip(*args, strict=True)
+...     if incomplete == 'ignore':
+...         return zip(*args)
+...     else:
+...         raise ValueError('Expected fill, strict, or ignore')
+
 >>> def triplewise(iterable):
 ...     "Return overlapping triplets from an iterable"
 ...     # pairwise('ABCDEFG') -> ABC BCD CDE DEF EFG
@@ -2411,11 +2426,6 @@ Samuele
 ...         window.append(x)
 ...         yield tuple(window)
 
->>> def grouper(n, iterable, fillvalue=None):
-...     "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
-...     args = [iter(iterable)] * n
-...     return zip_longest(*args, fillvalue=fillvalue)
-
 >>> def roundrobin(*iterables):
 ...     "roundrobin('ABC', 'D', 'EF') --> A D E B F C"
 ...     # Recipe credited to George Sakkis
@@ -2584,9 +2594,22 @@ True
 >>> dotproduct([1,2,3], [4,5,6])
 32
 
->>> list(grouper(3, 'abcdefg', 'x'))
+>>> list(grouper('abcdefg', 3, fillvalue='x'))
 [('a', 'b', 'c'), ('d', 'e', 'f'), ('g', 'x', 'x')]
 
+>>> it = grouper('abcdefg', 3, incomplete='strict')
+>>> next(it)
+('a', 'b', 'c')
+>>> next(it)
+('d', 'e', 'f')
+>>> next(it)
+Traceback (most recent call last):
+  ...
+ValueError: zip() argument 2 is shorter than argument 1
+
+>>> list(grouper('abcdefg', n=3, incomplete='ignore'))
+[('a', 'b', 'c'), ('d', 'e', 'f')]
+
 >>> list(triplewise('ABCDEFG'))
 [('A', 'B', 'C'), ('B', 'C', 'D'), ('C', 'D', 'E'), ('D', 'E', 'F'), ('E', 'F', 'G')]
 

diff --git a/Lib/test/test_json/test_recursion.py b/Lib/test/test_json/test_recursion.py
index 543c628..9919d7f 100644 (file)
--- a/Lib/test/test_json/test_recursion.py
+++ b/Lib/test/test_json/test_recursion.py
@@ -1,3 +1,4 @@
+from test import support
 from test.test_json import PyTest, CTest
 
 
@@ -69,11 +70,14 @@ class TestRecursion:
         # test that loading highly-nested objects doesn't segfault when C
         # accelerations are used. See #12017
         with self.assertRaises(RecursionError):
-            self.loads('{"a":' * 100000 + '1' + '}' * 100000)
+            with support.infinite_recursion():
+                self.loads('{"a":' * 100000 + '1' + '}' * 100000)
         with self.assertRaises(RecursionError):
-            self.loads('{"a":' * 100000 + '[1]' + '}' * 100000)
+            with support.infinite_recursion():
+                self.loads('{"a":' * 100000 + '[1]' + '}' * 100000)
         with self.assertRaises(RecursionError):
-            self.loads('[' * 100000 + '1' + ']' * 100000)
+            with support.infinite_recursion():
+                self.loads('[' * 100000 + '1' + ']' * 100000)
 
     def test_highly_nested_objects_encoding(self):
         # See #12051
@@ -81,9 +85,11 @@ class TestRecursion:
         for x in range(100000):
             l, d = [l], {'k':d}
         with self.assertRaises(RecursionError):
-            self.dumps(l)
+            with support.infinite_recursion():
+                self.dumps(l)
         with self.assertRaises(RecursionError):
-            self.dumps(d)
+            with support.infinite_recursion():
+                self.dumps(d)
 
     def test_endless_recursion(self):
         # See #12051
@@ -93,7 +99,8 @@ class TestRecursion:
                 return [o]
 
         with self.assertRaises(RecursionError):
-            EndlessJSONEncoder(check_circular=False).encode(5j)
+            with support.infinite_recursion():
+                EndlessJSONEncoder(check_circular=False).encode(5j)
 
 
 class TestPyRecursion(TestRecursion, PyTest): pass

diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 03d0319..8212cf7 100644 (file)
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -5508,8 +5508,8 @@ for when, exp in (('S', 1),
                     print('currentSecond: %s' % currentSecond, file=sys.stderr)
                     print('r: %s' % r, file=sys.stderr)
                     print('result: %s' % result, file=sys.stderr)
-                except Exception:
-                    print('exception in diagnostic code: %s' % sys.exc_info()[1], file=sys.stderr)
+                except Exception as e:
+                    print('exception in diagnostic code: %s' % e, file=sys.stderr)
         self.assertEqual(exp, actual)
         rh.close()
     setattr(TimedRotatingFileHandlerTest, "test_compute_rollover_%s" % when, test_compute_rollover)

diff --git a/Lib/test/test_mimetypes.py b/Lib/test/test_mimetypes.py
index 4098a22..f31ea46 100644 (file)
--- a/Lib/test/test_mimetypes.py
+++ b/Lib/test/test_mimetypes.py
@@ -33,6 +33,13 @@ def tearDownModule():
 class MimeTypesTestCase(unittest.TestCase):
     def setUp(self):
         self.db = mimetypes.MimeTypes()
+        
+    def test_case_sensitivity(self):
+        eq = self.assertEqual
+        eq(self.db.guess_type("foobar.HTML"), self.db.guess_type("foobar.html"))
+        eq(self.db.guess_type("foobar.TGZ"), self.db.guess_type("foobar.tgz"))
+        eq(self.db.guess_type("foobar.tar.Z"), ("application/x-tar", "compress"))
+        eq(self.db.guess_type("foobar.tar.z"), (None, None))
 
     def test_default_data(self):
         eq = self.assertEqual

diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index 1663b1f..9762025 100644 (file)
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -6,10 +6,12 @@ import io
 from test import support
 import unittest
 
+import pyexpat
 import xml.dom.minidom
 
 from xml.dom.minidom import parse, Node, Document, parseString
 from xml.dom.minidom import getDOMImplementation
+from xml.parsers.expat import ExpatError
 
 
 tstfile = support.findfile("test.xml", subdir="xmltestdata")
@@ -1147,7 +1149,13 @@ class MinidomTest(unittest.TestCase):
 
         # Verify that character decoding errors raise exceptions instead
         # of crashing
-        self.assertRaises(UnicodeDecodeError, parseString,
+        if pyexpat.version_info >= (2, 4, 5):
+            self.assertRaises(ExpatError, parseString,
+                    b'<fran\xe7ais></fran\xe7ais>')
+            self.assertRaises(ExpatError, parseString,
+                    b'<franais>Comment \xe7a va ? Tr\xe8s bien ?</franais>')
+        else:
+            self.assertRaises(UnicodeDecodeError, parseString,
                 b'<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>')
 
         doc.unlink()
@@ -1609,7 +1617,12 @@ class MinidomTest(unittest.TestCase):
         self.confirm(doc2.namespaceURI == xml.dom.EMPTY_NAMESPACE)
 
     def testExceptionOnSpacesInXMLNSValue(self):
-        with self.assertRaisesRegex(ValueError, 'Unsupported syntax'):
+        if pyexpat.version_info >= (2, 4, 5):
+            context = self.assertRaisesRegex(ExpatError, 'syntax error')
+        else:
+            context = self.assertRaisesRegex(ValueError, 'Unsupported syntax')
+
+        with context:
             parseString('<element xmlns:abc="http:abc.com/de f g/hi/j k"><abc:foo /></element>')
 
     def testDocRemoveChild(self):

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 0ad13d5..7f7d14e 100644 (file)
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -848,12 +848,9 @@ class UtimeTests(unittest.TestCase):
     def test_utime_dir_fd(self):
         def set_time(filename, ns):
             dirname, name = os.path.split(filename)
-            dirfd = os.open(dirname, os.O_RDONLY)
-            try:
+            with os_helper.open_dir_fd(dirname) as dirfd:
                 # pass dir_fd to test utimensat(timespec) or futimesat(timeval)
                 os.utime(name, dir_fd=dirfd, ns=ns)
-            finally:
-                os.close(dirfd)
         self._test_utime(set_time)
 
     def test_utime_directory(self):
@@ -4339,8 +4336,7 @@ class TestScandir(unittest.TestCase):
             os.symlink('file.txt', os.path.join(self.path, 'link'))
             expected_names.append('link')
 
-        fd = os.open(self.path, os.O_RDONLY)
-        try:
+        with os_helper.open_dir_fd(self.path) as fd:
             with os.scandir(fd) as it:
                 entries = list(it)
             names = [entry.name for entry in entries]
@@ -4355,8 +4351,6 @@ class TestScandir(unittest.TestCase):
                     self.assertEqual(entry.stat(), st)
                     st = os.stat(entry.name, dir_fd=fd, follow_symlinks=False)
                     self.assertEqual(entry.stat(follow_symlinks=False), st)
-        finally:
-            os.close(fd)
 
     def test_empty_path(self):
         self.assertRaises(FileNotFoundError, os.scandir, '')

diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index d4c037d..6ac1a4a 100644 (file)
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -1463,6 +1463,27 @@ def bœr():
         self.assertNotIn(b'SyntaxError', stdout,
                          "Got a syntax error running test script under PDB")
 
+    def test_issue46434(self):
+        # Temporarily patch in an extra help command which doesn't have a
+        # docstring to emulate what happens in an embeddable distribution
+        script = """
+            def do_testcmdwithnodocs(self, arg):
+                pass
+
+            import pdb
+            pdb.Pdb.do_testcmdwithnodocs = do_testcmdwithnodocs
+        """
+        commands = """
+            continue
+            help testcmdwithnodocs
+        """
+        stdout, stderr = self.run_pdb_script(script, commands)
+        output = (stdout or '') + (stderr or '')
+        self.assertNotIn('AttributeError', output,
+                         'Calling help on a command with no docs should be handled gracefully')
+        self.assertIn("*** No help for 'testcmdwithnodocs'; __doc__ string missing", output,
+                      'Calling help on a command with no docs should print an error')
+
     def test_issue13183(self):
         script = """
             from bar import bar

diff --git a/Lib/test/test_peg_generator/__init__.py b/Lib/test/test_peg_generator/__init__.py
index fa855f2..77f72fc 100644 (file)
--- a/Lib/test/test_peg_generator/__init__.py
+++ b/Lib/test/test_peg_generator/__init__.py
@@ -1,7 +1,15 @@
-import os
-
+import os.path
+import unittest
+from test import support
 from test.support import load_package_tests
 
+
+if support.check_sanitizer(address=True, memory=True):
+    # bpo-46633: Skip the test because it is too slow when Python is built
+    # with ASAN/MSAN: between 5 and 20 minutes on GitHub Actions.
+    raise unittest.SkipTest("test too slow on ASAN/MSAN build")
+
+
 # Load all tests in package
 def load_tests(*args):
     return load_package_tests(os.path.dirname(__file__), *args)

diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 56b72f4..974edd7 100644 (file)
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -21,6 +21,7 @@ import tempfile
 import unittest
 import warnings
 import textwrap
+from contextlib import contextmanager
 
 _DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(),
                               os_helper.TESTFN + '-dummy-symlink')
@@ -1081,187 +1082,6 @@ class PosixTester(unittest.TestCase):
         symdiff = idg_groups.symmetric_difference(posix.getgroups())
         self.assertTrue(not symdiff or symdiff == {posix.getegid()})
 
-    # tests for the posix *at functions follow
-
-    @unittest.skipUnless(os.access in os.supports_dir_fd, "test needs dir_fd support for os.access()")
-    def test_access_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            self.assertTrue(posix.access(os_helper.TESTFN, os.R_OK, dir_fd=f))
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.chmod in os.supports_dir_fd, "test needs dir_fd support in os.chmod()")
-    def test_chmod_dir_fd(self):
-        os.chmod(os_helper.TESTFN, stat.S_IRUSR)
-
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.chmod(os_helper.TESTFN, stat.S_IRUSR | stat.S_IWUSR, dir_fd=f)
-
-            s = posix.stat(os_helper.TESTFN)
-            self.assertEqual(s[0] & stat.S_IRWXU, stat.S_IRUSR | stat.S_IWUSR)
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(hasattr(os, 'chown') and (os.chown in os.supports_dir_fd),
-                         "test needs dir_fd support in os.chown()")
-    def test_chown_dir_fd(self):
-        os_helper.unlink(os_helper.TESTFN)
-        os_helper.create_empty_file(os_helper.TESTFN)
-
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.chown(os_helper.TESTFN, os.getuid(), os.getgid(), dir_fd=f)
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.stat in os.supports_dir_fd, "test needs dir_fd support in os.stat()")
-    def test_stat_dir_fd(self):
-        os_helper.unlink(os_helper.TESTFN)
-        with open(os_helper.TESTFN, 'w') as outfile:
-            outfile.write("testline\n")
-
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            s1 = posix.stat(os_helper.TESTFN)
-            s2 = posix.stat(os_helper.TESTFN, dir_fd=f)
-            self.assertEqual(s1, s2)
-            s2 = posix.stat(os_helper.TESTFN, dir_fd=None)
-            self.assertEqual(s1, s2)
-            self.assertRaisesRegex(TypeError, 'should be integer or None, not',
-                    posix.stat, os_helper.TESTFN, dir_fd=posix.getcwd())
-            self.assertRaisesRegex(TypeError, 'should be integer or None, not',
-                    posix.stat, os_helper.TESTFN, dir_fd=float(f))
-            self.assertRaises(OverflowError,
-                    posix.stat, os_helper.TESTFN, dir_fd=10**20)
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.utime in os.supports_dir_fd, "test needs dir_fd support in os.utime()")
-    def test_utime_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            now = time.time()
-            posix.utime(os_helper.TESTFN, None, dir_fd=f)
-            posix.utime(os_helper.TESTFN, dir_fd=f)
-            self.assertRaises(TypeError, posix.utime, os_helper.TESTFN,
-                              now, dir_fd=f)
-            self.assertRaises(TypeError, posix.utime, os_helper.TESTFN,
-                              (None, None), dir_fd=f)
-            self.assertRaises(TypeError, posix.utime, os_helper.TESTFN,
-                              (now, None), dir_fd=f)
-            self.assertRaises(TypeError, posix.utime, os_helper.TESTFN,
-                              (None, now), dir_fd=f)
-            self.assertRaises(TypeError, posix.utime, os_helper.TESTFN,
-                              (now, "x"), dir_fd=f)
-            posix.utime(os_helper.TESTFN, (int(now), int(now)), dir_fd=f)
-            posix.utime(os_helper.TESTFN, (now, now), dir_fd=f)
-            posix.utime(os_helper.TESTFN,
-                    (int(now), int((now - int(now)) * 1e9)), dir_fd=f)
-            posix.utime(os_helper.TESTFN, dir_fd=f,
-                            times=(int(now), int((now - int(now)) * 1e9)))
-
-            # try dir_fd and follow_symlinks together
-            if os.utime in os.supports_follow_symlinks:
-                try:
-                    posix.utime(os_helper.TESTFN, follow_symlinks=False,
-                                dir_fd=f)
-                except ValueError:
-                    # whoops!  using both together not supported on this platform.
-                    pass
-
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.link in os.supports_dir_fd, "test needs dir_fd support in os.link()")
-    def test_link_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.link(os_helper.TESTFN, os_helper.TESTFN + 'link',
-                       src_dir_fd=f, dst_dir_fd=f)
-        except PermissionError as e:
-            self.skipTest('posix.link(): %s' % e)
-        else:
-            # should have same inodes
-            self.assertEqual(posix.stat(os_helper.TESTFN)[1],
-                posix.stat(os_helper.TESTFN + 'link')[1])
-        finally:
-            posix.close(f)
-            os_helper.unlink(os_helper.TESTFN + 'link')
-
-    @unittest.skipUnless(os.mkdir in os.supports_dir_fd, "test needs dir_fd support in os.mkdir()")
-    def test_mkdir_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.mkdir(os_helper.TESTFN + 'dir', dir_fd=f)
-            posix.stat(os_helper.TESTFN + 'dir') # should not raise exception
-        finally:
-            posix.close(f)
-            os_helper.rmtree(os_helper.TESTFN + 'dir')
-
-    @unittest.skipUnless(hasattr(os, 'mknod')
-                         and (os.mknod in os.supports_dir_fd)
-                         and hasattr(stat, 'S_IFIFO'),
-                         "test requires both stat.S_IFIFO and dir_fd support for os.mknod()")
-    def test_mknod_dir_fd(self):
-        # Test using mknodat() to create a FIFO (the only use specified
-        # by POSIX).
-        os_helper.unlink(os_helper.TESTFN)
-        mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.mknod(os_helper.TESTFN, mode, 0, dir_fd=f)
-        except OSError as e:
-            # Some old systems don't allow unprivileged users to use
-            # mknod(), or only support creating device nodes.
-            self.assertIn(e.errno, (errno.EPERM, errno.EINVAL, errno.EACCES))
-        else:
-            self.assertTrue(stat.S_ISFIFO(posix.stat(os_helper.TESTFN).st_mode))
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.open in os.supports_dir_fd, "test needs dir_fd support in os.open()")
-    def test_open_dir_fd(self):
-        os_helper.unlink(os_helper.TESTFN)
-        with open(os_helper.TESTFN, 'w') as outfile:
-            outfile.write("testline\n")
-        a = posix.open(posix.getcwd(), posix.O_RDONLY)
-        b = posix.open(os_helper.TESTFN, posix.O_RDONLY, dir_fd=a)
-        try:
-            res = posix.read(b, 9).decode(encoding="utf-8")
-            self.assertEqual("testline\n", res)
-        finally:
-            posix.close(a)
-            posix.close(b)
-
-    @unittest.skipUnless(hasattr(os, 'readlink') and (os.readlink in os.supports_dir_fd),
-                         "test needs dir_fd support in os.readlink()")
-    def test_readlink_dir_fd(self):
-        os.symlink(os_helper.TESTFN, os_helper.TESTFN + 'link')
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            self.assertEqual(posix.readlink(os_helper.TESTFN + 'link'),
-                posix.readlink(os_helper.TESTFN + 'link', dir_fd=f))
-        finally:
-            os_helper.unlink(os_helper.TESTFN + 'link')
-            posix.close(f)
-
-    @unittest.skipUnless(os.rename in os.supports_dir_fd, "test needs dir_fd support in os.rename()")
-    def test_rename_dir_fd(self):
-        os_helper.unlink(os_helper.TESTFN)
-        os_helper.create_empty_file(os_helper.TESTFN + 'ren')
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.rename(os_helper.TESTFN + 'ren', os_helper.TESTFN, src_dir_fd=f, dst_dir_fd=f)
-        except:
-            posix.rename(os_helper.TESTFN + 'ren', os_helper.TESTFN)
-            raise
-        else:
-            posix.stat(os_helper.TESTFN) # should not raise exception
-        finally:
-            posix.close(f)
-
     @unittest.skipUnless(hasattr(signal, 'SIGCHLD'), 'CLD_XXXX be placed in si_code for a SIGCHLD signal')
     @unittest.skipUnless(hasattr(os, 'waitid_result'), "test needs os.waitid_result")
     def test_cld_xxxx_constants(self):
@@ -1272,47 +1092,6 @@ class PosixTester(unittest.TestCase):
         os.CLD_STOPPED
         os.CLD_CONTINUED
 
-    @unittest.skipUnless(os.symlink in os.supports_dir_fd, "test needs dir_fd support in os.symlink()")
-    def test_symlink_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            posix.symlink(os_helper.TESTFN, os_helper.TESTFN + 'link',
-                          dir_fd=f)
-            self.assertEqual(posix.readlink(os_helper.TESTFN + 'link'),
-                             os_helper.TESTFN)
-        finally:
-            posix.close(f)
-            os_helper.unlink(os_helper.TESTFN + 'link')
-
-    @unittest.skipUnless(os.unlink in os.supports_dir_fd, "test needs dir_fd support in os.unlink()")
-    def test_unlink_dir_fd(self):
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        os_helper.create_empty_file(os_helper.TESTFN + 'del')
-        posix.stat(os_helper.TESTFN + 'del') # should not raise exception
-        try:
-            posix.unlink(os_helper.TESTFN + 'del', dir_fd=f)
-        except:
-            os_helper.unlink(os_helper.TESTFN + 'del')
-            raise
-        else:
-            self.assertRaises(OSError, posix.stat, os_helper.TESTFN + 'link')
-        finally:
-            posix.close(f)
-
-    @unittest.skipUnless(os.mkfifo in os.supports_dir_fd, "test needs dir_fd support in os.mkfifo()")
-    def test_mkfifo_dir_fd(self):
-        os_helper.unlink(os_helper.TESTFN)
-        f = posix.open(posix.getcwd(), posix.O_RDONLY)
-        try:
-            try:
-                posix.mkfifo(os_helper.TESTFN,
-                             stat.S_IRUSR | stat.S_IWUSR, dir_fd=f)
-            except PermissionError as e:
-                self.skipTest('posix.mkfifo(): %s' % e)
-            self.assertTrue(stat.S_ISFIFO(posix.stat(os_helper.TESTFN).st_mode))
-        finally:
-            posix.close(f)
-
     requires_sched_h = unittest.skipUnless(hasattr(posix, 'sched_yield'),
                                            "don't have scheduling support")
     requires_sched_affinity = unittest.skipUnless(hasattr(posix, 'sched_setaffinity'),
@@ -1519,6 +1298,200 @@ class PosixTester(unittest.TestCase):
         self.assertEqual(cm.exception.errno, errno.EINVAL)
         os.close(os.pidfd_open(os.getpid(), 0))
 
+
+# tests for the posix *at functions follow
+class TestPosixDirFd(unittest.TestCase):
+    count = 0
+
+    @contextmanager
+    def prepare(self):
+        TestPosixDirFd.count += 1
+        name = f'{os_helper.TESTFN}_{self.count}'
+        base_dir = f'{os_helper.TESTFN}_{self.count}base'
+        posix.mkdir(base_dir)
+        self.addCleanup(posix.rmdir, base_dir)
+        fullname = os.path.join(base_dir, name)
+        assert not os.path.exists(fullname)
+        with os_helper.open_dir_fd(base_dir) as dir_fd:
+            yield (dir_fd, name, fullname)
+
+    @contextmanager
+    def prepare_file(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            os_helper.create_empty_file(fullname)
+            self.addCleanup(posix.unlink, fullname)
+            yield (dir_fd, name, fullname)
+
+    @unittest.skipUnless(os.access in os.supports_dir_fd, "test needs dir_fd support for os.access()")
+    def test_access_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname):
+            self.assertTrue(posix.access(name, os.R_OK, dir_fd=dir_fd))
+
+    @unittest.skipUnless(os.chmod in os.supports_dir_fd, "test needs dir_fd support in os.chmod()")
+    def test_chmod_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname):
+            posix.chmod(fullname, stat.S_IRUSR)
+            posix.chmod(name, stat.S_IRUSR | stat.S_IWUSR, dir_fd=dir_fd)
+            s = posix.stat(fullname)
+            self.assertEqual(s.st_mode & stat.S_IRWXU,
+                             stat.S_IRUSR | stat.S_IWUSR)
+
+    @unittest.skipUnless(hasattr(os, 'chown') and (os.chown in os.supports_dir_fd),
+                         "test needs dir_fd support in os.chown()")
+    def test_chown_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname):
+            posix.chown(name, os.getuid(), os.getgid(), dir_fd=dir_fd)
+
+    @unittest.skipUnless(os.stat in os.supports_dir_fd, "test needs dir_fd support in os.stat()")
+    def test_stat_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            with open(fullname, 'w') as outfile:
+                outfile.write("testline\n")
+            self.addCleanup(posix.unlink, fullname)
+
+            s1 = posix.stat(fullname)
+            s2 = posix.stat(name, dir_fd=dir_fd)
+            self.assertEqual(s1, s2)
+            s2 = posix.stat(fullname, dir_fd=None)
+            self.assertEqual(s1, s2)
+
+            self.assertRaisesRegex(TypeError, 'should be integer or None, not',
+                    posix.stat, name, dir_fd=posix.getcwd())
+            self.assertRaisesRegex(TypeError, 'should be integer or None, not',
+                    posix.stat, name, dir_fd=float(dir_fd))
+            self.assertRaises(OverflowError,
+                    posix.stat, name, dir_fd=10**20)
+
+    @unittest.skipUnless(os.utime in os.supports_dir_fd, "test needs dir_fd support in os.utime()")
+    def test_utime_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname):
+            now = time.time()
+            posix.utime(name, None, dir_fd=dir_fd)
+            posix.utime(name, dir_fd=dir_fd)
+            self.assertRaises(TypeError, posix.utime, name,
+                              now, dir_fd=dir_fd)
+            self.assertRaises(TypeError, posix.utime, name,
+                              (None, None), dir_fd=dir_fd)
+            self.assertRaises(TypeError, posix.utime, name,
+                              (now, None), dir_fd=dir_fd)
+            self.assertRaises(TypeError, posix.utime, name,
+                              (None, now), dir_fd=dir_fd)
+            self.assertRaises(TypeError, posix.utime, name,
+                              (now, "x"), dir_fd=dir_fd)
+            posix.utime(name, (int(now), int(now)), dir_fd=dir_fd)
+            posix.utime(name, (now, now), dir_fd=dir_fd)
+            posix.utime(name,
+                    (int(now), int((now - int(now)) * 1e9)), dir_fd=dir_fd)
+            posix.utime(name, dir_fd=dir_fd,
+                            times=(int(now), int((now - int(now)) * 1e9)))
+
+            # try dir_fd and follow_symlinks together
+            if os.utime in os.supports_follow_symlinks:
+                try:
+                    posix.utime(name, follow_symlinks=False, dir_fd=dir_fd)
+                except ValueError:
+                    # whoops!  using both together not supported on this platform.
+                    pass
+
+    @unittest.skipUnless(os.link in os.supports_dir_fd, "test needs dir_fd support in os.link()")
+    def test_link_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname), \
+             self.prepare() as (dir_fd2, linkname, fulllinkname):
+            try:
+                posix.link(name, linkname, src_dir_fd=dir_fd, dst_dir_fd=dir_fd2)
+            except PermissionError as e:
+                self.skipTest('posix.link(): %s' % e)
+            self.addCleanup(posix.unlink, fulllinkname)
+            # should have same inodes
+            self.assertEqual(posix.stat(fullname)[1],
+                posix.stat(fulllinkname)[1])
+
+    @unittest.skipUnless(os.mkdir in os.supports_dir_fd, "test needs dir_fd support in os.mkdir()")
+    def test_mkdir_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            posix.mkdir(name, dir_fd=dir_fd)
+            self.addCleanup(posix.rmdir, fullname)
+            posix.stat(fullname) # should not raise exception
+
+    @unittest.skipUnless(hasattr(os, 'mknod')
+                         and (os.mknod in os.supports_dir_fd)
+                         and hasattr(stat, 'S_IFIFO'),
+                         "test requires both stat.S_IFIFO and dir_fd support for os.mknod()")
+    def test_mknod_dir_fd(self):
+        # Test using mknodat() to create a FIFO (the only use specified
+        # by POSIX).
+        with self.prepare() as (dir_fd, name, fullname):
+            mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR
+            try:
+                posix.mknod(name, mode, 0, dir_fd=dir_fd)
+            except OSError as e:
+                # Some old systems don't allow unprivileged users to use
+                # mknod(), or only support creating device nodes.
+                self.assertIn(e.errno, (errno.EPERM, errno.EINVAL, errno.EACCES))
+            else:
+                self.addCleanup(posix.unlink, fullname)
+                self.assertTrue(stat.S_ISFIFO(posix.stat(fullname).st_mode))
+
+    @unittest.skipUnless(os.open in os.supports_dir_fd, "test needs dir_fd support in os.open()")
+    def test_open_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            with open(fullname, 'wb') as outfile:
+                outfile.write(b"testline\n")
+            self.addCleanup(posix.unlink, fullname)
+            fd = posix.open(name, posix.O_RDONLY, dir_fd=dir_fd)
+            try:
+                res = posix.read(fd, 9)
+                self.assertEqual(b"testline\n", res)
+            finally:
+                posix.close(fd)
+
+    @unittest.skipUnless(hasattr(os, 'readlink') and (os.readlink in os.supports_dir_fd),
+                         "test needs dir_fd support in os.readlink()")
+    def test_readlink_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            os.symlink('symlink', fullname)
+            self.addCleanup(posix.unlink, fullname)
+            self.assertEqual(posix.readlink(name, dir_fd=dir_fd), 'symlink')
+
+    @unittest.skipUnless(os.rename in os.supports_dir_fd, "test needs dir_fd support in os.rename()")
+    def test_rename_dir_fd(self):
+        with self.prepare_file() as (dir_fd, name, fullname), \
+             self.prepare() as (dir_fd2, name2, fullname2):
+            posix.rename(name, name2,
+                         src_dir_fd=dir_fd, dst_dir_fd=dir_fd2)
+            posix.stat(fullname2) # should not raise exception
+            posix.rename(fullname2, fullname)
+
+    @unittest.skipUnless(os.symlink in os.supports_dir_fd, "test needs dir_fd support in os.symlink()")
+    def test_symlink_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            posix.symlink('symlink', name, dir_fd=dir_fd)
+            self.addCleanup(posix.unlink, fullname)
+            self.assertEqual(posix.readlink(fullname), 'symlink')
+
+    @unittest.skipUnless(os.unlink in os.supports_dir_fd, "test needs dir_fd support in os.unlink()")
+    def test_unlink_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            os_helper.create_empty_file(fullname)
+            posix.stat(fullname) # should not raise exception
+            try:
+                posix.unlink(name, dir_fd=dir_fd)
+                self.assertRaises(OSError, posix.stat, fullname)
+            except:
+                self.addCleanup(posix.unlink, fullname)
+                raise
+
+    @unittest.skipUnless(os.mkfifo in os.supports_dir_fd, "test needs dir_fd support in os.mkfifo()")
+    def test_mkfifo_dir_fd(self):
+        with self.prepare() as (dir_fd, name, fullname):
+            try:
+                posix.mkfifo(name, stat.S_IRUSR | stat.S_IWUSR, dir_fd=dir_fd)
+            except PermissionError as e:
+                self.skipTest('posix.mkfifo(): %s' % e)
+            self.addCleanup(posix.unlink, fullname)
+            self.assertTrue(stat.S_ISFIFO(posix.stat(fullname).st_mode))
+
+
 class PosixGroupsTester(unittest.TestCase):
 
     def setUp(self):

diff --git a/Lib/test/test_pty.py b/Lib/test/test_pty.py
index 0c17812..0243b8a 100644 (file)
--- a/Lib/test/test_pty.py
+++ b/Lib/test/test_pty.py
@@ -16,7 +16,6 @@ import io # readline
 import unittest
 
 import struct
-import tty
 import fcntl
 import warnings
 

diff --git a/Lib/test/test_raise.py b/Lib/test/test_raise.py
index 8dc62a9..5936d75 100644 (file)
--- a/Lib/test/test_raise.py
+++ b/Lib/test/test_raise.py
@@ -12,8 +12,8 @@ import unittest
 def get_tb():
     try:
         raise OSError()
-    except:
-        return sys.exc_info()[2]
+    except OSError as e:
+        return e.__traceback__
 
 
 class Context:
@@ -303,7 +303,7 @@ class TestContext(unittest.TestCase):
             except:
                 raise OSError()
         except OSError as e:
-            self.assertEqual(e.__context__, context)
+            self.assertIs(e.__context__, context)
         else:
             self.fail("No exception raised")
 
@@ -315,7 +315,7 @@ class TestContext(unittest.TestCase):
             except:
                 raise OSError()
         except OSError as e:
-            self.assertNotEqual(e.__context__, context)
+            self.assertIsNot(e.__context__, context)
             self.assertIsInstance(e.__context__, context)
         else:
             self.fail("No exception raised")
@@ -328,7 +328,7 @@ class TestContext(unittest.TestCase):
             except:
                 raise OSError
         except OSError as e:
-            self.assertNotEqual(e.__context__, context)
+            self.assertIsNot(e.__context__, context)
             self.assertIsInstance(e.__context__, context)
         else:
             self.fail("No exception raised")
@@ -415,6 +415,22 @@ class TestContext(unittest.TestCase):
         except NameError as e:
             self.assertIsNone(e.__context__.__context__)
 
+    def test_not_last(self):
+        # Context is not necessarily the last exception
+        context = Exception("context")
+        try:
+            raise context
+        except Exception:
+            try:
+                raise Exception("caught")
+            except Exception:
+                pass
+            try:
+                raise Exception("new")
+            except Exception as exc:
+                raised = exc
+        self.assertIs(raised.__context__, context)
+
     def test_3118(self):
         # deleting the generator caused the __context__ to be cleared
         def gen():

diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 29bb39d..824eddb 100644 (file)
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -1766,6 +1766,192 @@ class TestWeirdBugs(unittest.TestCase):
         s = {0}
         s.update(other)
 
+
+class TestOperationsMutating:
+    """Regression test for bpo-46615"""
+
+    constructor1 = None
+    constructor2 = None
+
+    def make_sets_of_bad_objects(self):
+        class Bad:
+            def __eq__(self, other):
+                if not enabled:
+                    return False
+                if randrange(20) == 0:
+                    set1.clear()
+                if randrange(20) == 0:
+                    set2.clear()
+                return bool(randrange(2))
+            def __hash__(self):
+                return randrange(2)
+        # Don't behave poorly during construction.
+        enabled = False
+        set1 = self.constructor1(Bad() for _ in range(randrange(50)))
+        set2 = self.constructor2(Bad() for _ in range(randrange(50)))
+        # Now start behaving poorly
+        enabled = True
+        return set1, set2
+
+    def check_set_op_does_not_crash(self, function):
+        for _ in range(100):
+            set1, set2 = self.make_sets_of_bad_objects()
+            try:
+                function(set1, set2)
+            except RuntimeError as e:
+                # Just make sure we don't crash here.
+                self.assertIn("changed size during iteration", str(e))
+
+
+class TestBinaryOpsMutating(TestOperationsMutating):
+
+    def test_eq_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a == b)
+
+    def test_ne_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a != b)
+
+    def test_lt_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a < b)
+
+    def test_le_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a <= b)
+
+    def test_gt_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a > b)
+
+    def test_ge_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a >= b)
+
+    def test_and_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a & b)
+
+    def test_or_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a | b)
+
+    def test_sub_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a - b)
+
+    def test_xor_with_mutation(self):
+        self.check_set_op_does_not_crash(lambda a, b: a ^ b)
+
+    def test_iadd_with_mutation(self):
+        def f(a, b):
+            a &= b
+        self.check_set_op_does_not_crash(f)
+
+    def test_ior_with_mutation(self):
+        def f(a, b):
+            a |= b
+        self.check_set_op_does_not_crash(f)
+
+    def test_isub_with_mutation(self):
+        def f(a, b):
+            a -= b
+        self.check_set_op_does_not_crash(f)
+
+    def test_ixor_with_mutation(self):
+        def f(a, b):
+            a ^= b
+        self.check_set_op_does_not_crash(f)
+
+    def test_iteration_with_mutation(self):
+        def f1(a, b):
+            for x in a:
+                pass
+            for y in b:
+                pass
+        def f2(a, b):
+            for y in b:
+                pass
+            for x in a:
+                pass
+        def f3(a, b):
+            for x, y in zip(a, b):
+                pass
+        self.check_set_op_does_not_crash(f1)
+        self.check_set_op_does_not_crash(f2)
+        self.check_set_op_does_not_crash(f3)
+
+
+class TestBinaryOpsMutating_Set_Set(TestBinaryOpsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = set
+
+class TestBinaryOpsMutating_Subclass_Subclass(TestBinaryOpsMutating, unittest.TestCase):
+    constructor1 = SetSubclass
+    constructor2 = SetSubclass
+
+class TestBinaryOpsMutating_Set_Subclass(TestBinaryOpsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = SetSubclass
+
+class TestBinaryOpsMutating_Subclass_Set(TestBinaryOpsMutating, unittest.TestCase):
+    constructor1 = SetSubclass
+    constructor2 = set
+
+
+class TestMethodsMutating(TestOperationsMutating):
+
+    def test_issubset_with_mutation(self):
+        self.check_set_op_does_not_crash(set.issubset)
+
+    def test_issuperset_with_mutation(self):
+        self.check_set_op_does_not_crash(set.issuperset)
+
+    def test_intersection_with_mutation(self):
+        self.check_set_op_does_not_crash(set.intersection)
+
+    def test_union_with_mutation(self):
+        self.check_set_op_does_not_crash(set.union)
+
+    def test_difference_with_mutation(self):
+        self.check_set_op_does_not_crash(set.difference)
+
+    def test_symmetric_difference_with_mutation(self):
+        self.check_set_op_does_not_crash(set.symmetric_difference)
+
+    def test_isdisjoint_with_mutation(self):
+        self.check_set_op_does_not_crash(set.isdisjoint)
+
+    def test_difference_update_with_mutation(self):
+        self.check_set_op_does_not_crash(set.difference_update)
+
+    def test_intersection_update_with_mutation(self):
+        self.check_set_op_does_not_crash(set.intersection_update)
+
+    def test_symmetric_difference_update_with_mutation(self):
+        self.check_set_op_does_not_crash(set.symmetric_difference_update)
+
+    def test_update_with_mutation(self):
+        self.check_set_op_does_not_crash(set.update)
+
+
+class TestMethodsMutating_Set_Set(TestMethodsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = set
+
+class TestMethodsMutating_Subclass_Subclass(TestMethodsMutating, unittest.TestCase):
+    constructor1 = SetSubclass
+    constructor2 = SetSubclass
+
+class TestMethodsMutating_Set_Subclass(TestMethodsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = SetSubclass
+
+class TestMethodsMutating_Subclass_Set(TestMethodsMutating, unittest.TestCase):
+    constructor1 = SetSubclass
+    constructor2 = set
+
+class TestMethodsMutating_Set_Dict(TestMethodsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = dict.fromkeys
+
+class TestMethodsMutating_Set_List(TestMethodsMutating, unittest.TestCase):
+    constructor1 = set
+    constructor2 = list
+
+
 # Application tests (based on David Eppstein's graph recipes ====================================
 
 def powerset(U):

diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index b5bebb3..09c0d56 100644 (file)
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -1463,6 +1463,36 @@ pass
         except SyntaxError:
             self.fail("Empty line after a line continuation character is valid.")
 
+        # See issue-46091
+        s1 = r"""\
+def fib(n):
+    \
+'''Print a Fibonacci series up to n.'''
+    \
+a, b = 0, 1
+"""
+        s2 = r"""\
+def fib(n):
+    '''Print a Fibonacci series up to n.'''
+    a, b = 0, 1
+"""
+        try:
+            self.assertEqual(compile(s1, '<string>', 'exec'), compile(s2, '<string>', 'exec'))
+        except SyntaxError:
+            self.fail("Indented statement over multiple lines is valid")
+    
+    def test_continuation_bad_indentation(self): 
+        # Check that code that breaks indentation across multiple lines raises a syntax error
+
+        code = r"""\
+if x:
+    y = 1
+  \
+  foo = 1
+        """
+
+        self.assertRaises(IndentationError, exec, code)
+
     @support.cpython_only
     def test_nested_named_except_blocks(self):
         code = ""
@@ -1513,6 +1543,9 @@ def func2():
         for paren in "([{":
             self._check_error(paren + "1 + 2", f"\\{paren}' was never closed")
 
+        for paren in "([{":
+            self._check_error(f"a = {paren} 1, 2, 3\nb=3", f"\\{paren}' was never closed")
+
         for paren in ")]}":
             self._check_error(paren + "1 + 2", f"unmatched '\\{paren}'")
 
@@ -1584,6 +1617,14 @@ while 1:
                 with self.assertRaises(MemoryError):
                     compile(source, "<string>", mode)
 
+    @support.cpython_only
+    def test_deep_invalid_rule(self):
+        # Check that a very deep invalid rule in the PEG
+        # parser doesn't have exponential backtracking.
+        source = "d{{{{{{{{{{{{{{{{{{{{{{{{{```{{{{{{{ef f():y"
+        with self.assertRaises(SyntaxError):
+            compile(source, "<string>", "exec")
+
 
 def test_main():
     support.run_unittest(SyntaxTestCase)

diff --git a/Lib/test/test_tabnanny.py b/Lib/test/test_tabnanny.py
index 4dfbd29..e0a82e9 100644 (file)
--- a/Lib/test/test_tabnanny.py
+++ b/Lib/test/test_tabnanny.py
@@ -4,7 +4,6 @@ Glossary:
     * errored    : Whitespace related problems present in file.
 """
 from unittest import TestCase, mock
-from unittest import mock
 import errno
 import os
 import tabnanny
@@ -293,8 +292,8 @@ class TestCommandLine(TestCase):
         _, out, err = script_helper.assert_python_ok('-m', 'tabnanny', *args)
         # Note: The `splitlines()` will solve the problem of CRLF(\r) added
         # by OS Windows.
-        out = out.decode('ascii')
-        err = err.decode('ascii')
+        out = os.fsdecode(out)
+        err = os.fsdecode(err)
         if partial:
             for std, output in ((stdout, out), (stderr, err)):
                 _output = output.splitlines()

diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index e4b5c52..4bf1ba3 100644 (file)
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -220,6 +220,25 @@ class UstarReadTest(ReadTest, unittest.TestCase):
     def test_issue14160(self):
         self._test_fileobj_link("symtype2", "ustar/regtype")
 
+    def test_add_dir_getmember(self):
+        # bpo-21987
+        self.add_dir_and_getmember('bar')
+        self.add_dir_and_getmember('a'*101)
+
+    def add_dir_and_getmember(self, name):
+        with os_helper.temp_cwd():
+            with tarfile.open(tmpname, 'w') as tar:
+                try:
+                    os.mkdir(name)
+                    tar.add(name)
+                finally:
+                    os.rmdir(name)
+            with tarfile.open(tmpname) as tar:
+                self.assertEqual(
+                    tar.getmember(name),
+                    tar.getmember(name + '/')
+                )
+
 class GzipUstarReadTest(GzipTest, UstarReadTest):
     pass
 
@@ -1880,6 +1899,61 @@ class PaxWriteTest(GNUWriteTest):
         finally:
             tar.close()
 
+    def test_create_pax_header(self):
+        # The ustar header should contain values that can be
+        # represented reasonably, even if a better (e.g. higher
+        # precision) version is set in the pax header.
+        # Issue #45863
+
+        # values that should be kept
+        t = tarfile.TarInfo()
+        t.name = "foo"
+        t.mtime = 1000.1
+        t.size = 100
+        t.uid = 123
+        t.gid = 124
+        info = t.get_info()
+        header = t.create_pax_header(info, encoding="iso8859-1")
+        self.assertEqual(info['name'], "foo")
+        # mtime should be rounded to nearest second
+        self.assertIsInstance(info['mtime'], int)
+        self.assertEqual(info['mtime'], 1000)
+        self.assertEqual(info['size'], 100)
+        self.assertEqual(info['uid'], 123)
+        self.assertEqual(info['gid'], 124)
+        self.assertEqual(header,
+            b'././@PaxHeader' + bytes(86) \
+            + b'0000000\x000000000\x000000000\x0000000000020\x0000000000000\x00010205\x00 x' \
+            + bytes(100) + b'ustar\x0000'+ bytes(247) \
+            + b'16 mtime=1000.1\n' + bytes(496) + b'foo' + bytes(97) \
+            + b'0000644\x000000173\x000000174\x0000000000144\x0000000001750\x00006516\x00 0' \
+            + bytes(100) + b'ustar\x0000' + bytes(247))
+
+        # values that should be changed
+        t = tarfile.TarInfo()
+        t.name = "foo\u3374" # can't be represented in ascii
+        t.mtime = 10**10 # too big
+        t.size = 10**10 # too big
+        t.uid = 8**8 # too big
+        t.gid = 8**8+1 # too big
+        info = t.get_info()
+        header = t.create_pax_header(info, encoding="iso8859-1")
+        # name is kept as-is in info but should be added to pax header
+        self.assertEqual(info['name'], "foo\u3374")
+        self.assertEqual(info['mtime'], 0)
+        self.assertEqual(info['size'], 0)
+        self.assertEqual(info['uid'], 0)
+        self.assertEqual(info['gid'], 0)
+        self.assertEqual(header,
+            b'././@PaxHeader' + bytes(86) \
+            + b'0000000\x000000000\x000000000\x0000000000130\x0000000000000\x00010207\x00 x' \
+            + bytes(100) + b'ustar\x0000' + bytes(247) \
+            + b'15 path=foo\xe3\x8d\xb4\n16 uid=16777216\n' \
+            + b'16 gid=16777217\n20 size=10000000000\n' \
+            + b'21 mtime=10000000000\n'+ bytes(424) + b'foo?' + bytes(96) \
+            + b'0000644\x000000000\x000000000\x0000000000000\x0000000000000\x00006540\x00 0' \
+            + bytes(100) + b'ustar\x0000' + bytes(247))
+
 
 class UnicodeTest:
 

diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index d89078f..7f76898 100644 (file)
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -545,20 +545,26 @@ class TimeTestCase(unittest.TestCase):
         self.assertRaises(ValueError, time.ctime, float("nan"))
 
     def test_get_clock_info(self):
-        clocks = ['monotonic', 'perf_counter', 'process_time', 'time']
+        clocks = [
+            'monotonic',
+            'perf_counter',
+            'process_time',
+            'time',
+            'thread_time',
+        ]
 
         for name in clocks:
-            info = time.get_clock_info(name)
-
-            #self.assertIsInstance(info, dict)
-            self.assertIsInstance(info.implementation, str)
-            self.assertNotEqual(info.implementation, '')
-            self.assertIsInstance(info.monotonic, bool)
-            self.assertIsInstance(info.resolution, float)
-            # 0.0 < resolution <= 1.0
-            self.assertGreater(info.resolution, 0.0)
-            self.assertLessEqual(info.resolution, 1.0)
-            self.assertIsInstance(info.adjustable, bool)
+            with self.subTest(name=name):
+                info = time.get_clock_info(name)
+
+                self.assertIsInstance(info.implementation, str)
+                self.assertNotEqual(info.implementation, '')
+                self.assertIsInstance(info.monotonic, bool)
+                self.assertIsInstance(info.resolution, float)
+                # 0.0 < resolution <= 1.0
+                self.assertGreater(info.resolution, 0.0)
+                self.assertLessEqual(info.resolution, 1.0)
+                self.assertIsInstance(info.adjustable, bool)
 
         self.assertRaises(ValueError, time.get_clock_info, 'xxx')
 

diff --git a/Lib/test/test_tix.py b/Lib/test/test_tix.py
index 8a60c7c..454baeb 100644 (file)
--- a/Lib/test/test_tix.py
+++ b/Lib/test/test_tix.py
@@ -2,6 +2,11 @@ import sys
 import unittest
 from test import support
 from test.support import import_helper
+from test.support import check_sanitizer
+
+if check_sanitizer(address=True, memory=True):
+    raise unittest.SkipTest("Tests involvin libX11 can SEGFAULT on ASAN/MSAN builds")
+
 
 # Skip this test if the _tkinter module wasn't built.
 _tkinter = import_helper.import_module('_tkinter')

diff --git a/Lib/test/test_tk.py b/Lib/test/test_tk.py
index 69cc232..8f90cba 100644 (file)
--- a/Lib/test/test_tk.py
+++ b/Lib/test/test_tk.py
@@ -1,5 +1,11 @@
+import unittest
 from test import support
 from test.support import import_helper
+from test.support import check_sanitizer
+
+if check_sanitizer(address=True, memory=True):
+    raise unittest.SkipTest("Tests involvin libX11 can SEGFAULT on ASAN/MSAN builds")
+
 # Skip test if _tkinter wasn't built.
 import_helper.import_module('_tkinter')
 

diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py
index 4bce1ca..127f0a1 100644 (file)
--- a/Lib/test/test_tokenize.py
+++ b/Lib/test/test_tokenize.py
@@ -6,6 +6,7 @@ from tokenize import (tokenize, _tokenize, untokenize, NUMBER, NAME, OP,
                      NEWLINE)
 from io import BytesIO, StringIO
 import unittest
+from textwrap import dedent
 from unittest import TestCase, mock
 from test.test_grammar import (VALID_UNDERSCORE_LITERALS,
                                INVALID_UNDERSCORE_LITERALS)
@@ -45,7 +46,6 @@ class TokenizeTest(TestCase):
         # The ENDMARKER and final NEWLINE are omitted.
         f = BytesIO(s.encode('utf-8'))
         result = stringify_tokens_from_source(tokenize(f.readline), s)
-
         self.assertEqual(result,
                          ["    ENCODING   'utf-8'       (0, 0) (0, 0)"] +
                          expected.rstrip().splitlines())

diff --git a/Lib/test/test_tools/__init__.py b/Lib/test/test_tools/__init__.py
index 61af657..34b0d3b 100644 (file)
--- a/Lib/test/test_tools/__init__.py
+++ b/Lib/test/test_tools/__init__.py
@@ -6,6 +6,13 @@ import unittest
 from test import support
 from test.support import import_helper
 
+
+if support.check_sanitizer(address=True, memory=True):
+    # bpo-46633: Skip the test because it is too slow when Python is built
+    # with ASAN/MSAN: between 5 and 20 minutes on GitHub Actions.
+    raise unittest.SkipTest("test too slow on ASAN/MSAN build")
+
+
 basepath = os.path.normpath(
         os.path.dirname(                 # <src/install dir>
             os.path.dirname(                # Lib

diff --git a/Lib/test/test_ttk_guionly.py b/Lib/test/test_ttk_guionly.py
index 8f59839..c491904 100644 (file)
--- a/Lib/test/test_ttk_guionly.py
+++ b/Lib/test/test_ttk_guionly.py
@@ -1,6 +1,10 @@
 import unittest
 from test import support
 from test.support import import_helper
+from test.support import check_sanitizer
+
+if check_sanitizer(address=True, memory=True):
+    raise unittest.SkipTest("Tests involvin libX11 can SEGFAULT on ASAN/MSAN builds")
 
 # Skip this test if _tkinter wasn't built.
 import_helper.import_module('_tkinter')

diff --git a/Lib/test/test_turtle.py b/Lib/test/test_turtle.py
index 8d6d3a7..95af84e 100644 (file)
--- a/Lib/test/test_turtle.py
+++ b/Lib/test/test_turtle.py
@@ -235,7 +235,7 @@ class TestVec2D(VectorComparisonMixin, unittest.TestCase):
         self.assertVectorsAlmostEqual(-vec, expected)
 
     def test_distance(self):
-        self.assertEqual(abs(Vec2D(6, 8)), 10)
+        self.assertAlmostEqual(abs(Vec2D(6, 8)), 10)
         self.assertEqual(abs(Vec2D(0, 0)), 0)
         self.assertAlmostEqual(abs(Vec2D(2.5, 6)), 6.5)
 

diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index 3dfda5c..725d80d 100644 (file)
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -695,22 +695,62 @@ class UnionTests(unittest.TestCase):
         self.assertEqual(hash(int | str), hash(str | int))
         self.assertEqual(hash(int | str), hash(typing.Union[int, str]))
 
-    def test_instancecheck(self):
-        x = int | str
-        self.assertIsInstance(1, x)
-        self.assertIsInstance(True, x)
-        self.assertIsInstance('a', x)
-        self.assertNotIsInstance(None, x)
-        self.assertTrue(issubclass(int, x))
-        self.assertTrue(issubclass(bool, x))
-        self.assertTrue(issubclass(str, x))
-        self.assertFalse(issubclass(type(None), x))
-        x = int | None
-        self.assertIsInstance(None, x)
-        self.assertTrue(issubclass(type(None), x))
-        x = int | collections.abc.Mapping
-        self.assertIsInstance({}, x)
-        self.assertTrue(issubclass(dict, x))
+    def test_instancecheck_and_subclasscheck(self):
+        for x in (int | str, typing.Union[int, str]):
+            with self.subTest(x=x):
+                self.assertIsInstance(1, x)
+                self.assertIsInstance(True, x)
+                self.assertIsInstance('a', x)
+                self.assertNotIsInstance(None, x)
+                self.assertTrue(issubclass(int, x))
+                self.assertTrue(issubclass(bool, x))
+                self.assertTrue(issubclass(str, x))
+                self.assertFalse(issubclass(type(None), x))
+
+        for x in (int | None, typing.Union[int, None]):
+            with self.subTest(x=x):
+                self.assertIsInstance(None, x)
+                self.assertTrue(issubclass(type(None), x))
+
+        for x in (
+            int | collections.abc.Mapping,
+            typing.Union[int, collections.abc.Mapping],
+        ):
+            with self.subTest(x=x):
+                self.assertIsInstance({}, x)
+                self.assertNotIsInstance((), x)
+                self.assertTrue(issubclass(dict, x))
+                self.assertFalse(issubclass(list, x))
+
+    def test_instancecheck_and_subclasscheck_order(self):
+        T = typing.TypeVar('T')
+
+        will_resolve = (
+            int | T,
+            typing.Union[int, T],
+        )
+        for x in will_resolve:
+            with self.subTest(x=x):
+                self.assertIsInstance(1, x)
+                self.assertTrue(issubclass(int, x))
+
+        wont_resolve = (
+            T | int,
+            typing.Union[T, int],
+        )
+        for x in wont_resolve:
+            with self.subTest(x=x):
+                with self.assertRaises(TypeError):
+                    issubclass(int, x)
+                with self.assertRaises(TypeError):
+                    isinstance(1, x)
+
+        for x in (*will_resolve, *wont_resolve):
+            with self.subTest(x=x):
+                with self.assertRaises(TypeError):
+                    issubclass(object, x)
+                with self.assertRaises(TypeError):
+                    isinstance(object(), x)
 
     def test_bad_instancecheck(self):
         class BadMeta(type):

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index f943aed..779e175 100644 (file)
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -247,6 +247,15 @@ class TypeVarTests(BaseTestCase):
         with self.assertRaises(ValueError):
             TypeVar('T', covariant=True, contravariant=True)
 
+    def test_bad_var_substitution(self):
+        T = TypeVar('T')
+        for arg in (), (int, str):
+            with self.subTest(arg=arg):
+                with self.assertRaises(TypeError):
+                    List[T][arg]
+                with self.assertRaises(TypeError):
+                    list[T][arg]
+
 
 class UnionTests(BaseTestCase):
 
@@ -318,6 +327,15 @@ class UnionTests(BaseTestCase):
         u = Union[int | float]
         self.assertEqual(repr(u), 'typing.Union[int, float]')
 
+        u = Union[None, str]
+        self.assertEqual(repr(u), 'typing.Optional[str]')
+        u = Union[str, None]
+        self.assertEqual(repr(u), 'typing.Optional[str]')
+        u = Union[None, str, int]
+        self.assertEqual(repr(u), 'typing.Union[NoneType, str, int]')
+        u = Optional[str]
+        self.assertEqual(repr(u), 'typing.Optional[str]')
+
     def test_cannot_subclass(self):
         with self.assertRaises(TypeError):
             class C(Union):
@@ -413,6 +431,8 @@ class TupleTests(BaseTestCase):
         class MyTuple(tuple):
             pass
         self.assertIsSubclass(MyTuple, Tuple)
+        self.assertIsSubclass(Tuple, Tuple)
+        self.assertIsSubclass(tuple, Tuple)
 
     def test_tuple_instance_type_error(self):
         with self.assertRaises(TypeError):
@@ -440,6 +460,7 @@ class BaseCallableTests:
         with self.assertRaises(TypeError):
             issubclass(types.FunctionType, Callable[[int], int])
         self.assertIsSubclass(types.FunctionType, Callable)
+        self.assertIsSubclass(Callable, Callable)
 
     def test_eq_hash(self):
         Callable = self.Callable
@@ -515,6 +536,10 @@ class BaseCallableTests:
         # Shouldn't crash; see https://github.com/python/typing/issues/259
         typing.List[Callable[..., str]]
 
+    def test_or_and_ror(self):
+        Callable = self.Callable
+        self.assertEqual(Callable | Tuple, Union[Callable, Tuple])
+        self.assertEqual(Tuple | Callable, Union[Tuple, Callable])
 
     def test_basic(self):
         Callable = self.Callable
@@ -547,8 +572,11 @@ class BaseCallableTests:
         C2 = Callable[[KT, T], VT]
         C3 = Callable[..., T]
         self.assertEqual(C1[str], Callable[[int, str], str])
+        if Callable is typing.Callable:
+            self.assertEqual(C1[None], Callable[[int, type(None)], type(None)])
         self.assertEqual(C2[int, float, str], Callable[[int, float], str])
         self.assertEqual(C3[int], Callable[..., int])
+        self.assertEqual(C3[NoReturn], Callable[..., NoReturn])
 
         # multi chaining
         C4 = C2[int, VT, str]
@@ -608,10 +636,31 @@ class BaseCallableTests:
     def test_concatenate(self):
         Callable = self.Callable
         fullname = f"{Callable.__module__}.Callable"
+        T = TypeVar('T')
         P = ParamSpec('P')
-        C1 = Callable[typing.Concatenate[int, P], int]
-        self.assertEqual(repr(C1),
-                            f"{fullname}[typing.Concatenate[int, ~P], int]")
+        P2 = ParamSpec('P2')
+        C = Callable[Concatenate[int, P], T]
+        self.assertEqual(repr(C),
+                         f"{fullname}[typing.Concatenate[int, ~P], ~T]")
+        self.assertEqual(C[P2, int], Callable[Concatenate[int, P2], int])
+        self.assertEqual(C[[str, float], int], Callable[[int, str, float], int])
+        self.assertEqual(C[[], int], Callable[[int], int])
+        self.assertEqual(C[Concatenate[str, P2], int],
+                         Callable[Concatenate[int, str, P2], int])
+        with self.assertRaises(TypeError):
+            C[..., int]
+
+        C = Callable[Concatenate[int, P], int]
+        self.assertEqual(repr(C),
+                         f"{fullname}[typing.Concatenate[int, ~P], int]")
+        self.assertEqual(C[P2], Callable[Concatenate[int, P2], int])
+        self.assertEqual(C[[str, float]], Callable[[int, str, float], int])
+        self.assertEqual(C[str, float], Callable[[int, str, float], int])
+        self.assertEqual(C[[]], Callable[[int], int])
+        self.assertEqual(C[Concatenate[str, P2]],
+                         Callable[Concatenate[int, str, P2], int])
+        with self.assertRaises(TypeError):
+            C[...]
 
     def test_errors(self):
         Callable = self.Callable
@@ -2601,10 +2650,18 @@ class ForwardRefTests(BaseTestCase):
         with self.assertRaises(TypeError):
             issubclass(int, fr)
 
+    def test_forwardref_only_str_arg(self):
+        with self.assertRaises(TypeError):
+            typing.ForwardRef(1)  # only `str` type is allowed
+
     def test_forward_equality(self):
         fr = typing.ForwardRef('int')
         self.assertEqual(fr, typing.ForwardRef('int'))
         self.assertNotEqual(List['int'], List[int])
+        self.assertNotEqual(fr, typing.ForwardRef('int', module=__name__))
+        frm = typing.ForwardRef('int', module=__name__)
+        self.assertEqual(frm, typing.ForwardRef('int', module=__name__))
+        self.assertNotEqual(frm, typing.ForwardRef('int', module='__other_name__'))
 
     def test_forward_equality_gth(self):
         c1 = typing.ForwardRef('C')
@@ -2641,6 +2698,14 @@ class ForwardRefTests(BaseTestCase):
         self.assertEqual(hash(c1_gth), hash(c2_gth))
         self.assertEqual(hash(c1), hash(c1_gth))
 
+        c3 = typing.ForwardRef('int', module=__name__)
+        c4 = typing.ForwardRef('int', module='__other_name__')
+
+        self.assertNotEqual(hash(c3), hash(c1))
+        self.assertNotEqual(hash(c3), hash(c1_gth))
+        self.assertNotEqual(hash(c3), hash(c4))
+        self.assertEqual(hash(c3), hash(typing.ForwardRef('int', module=__name__)))
+
     def test_forward_equality_namespace(self):
         class A:
             pass
@@ -2775,6 +2840,20 @@ class ForwardRefTests(BaseTestCase):
         self.assertEqual(get_type_hints(foo, globals(), locals()),
                          {'a': Callable[..., T]})
 
+    def test_special_forms_forward(self):
+
+        class C:
+            a: Annotated['ClassVar[int]', (3, 5)] = 4
+            b: Annotated['Final[int]', "const"] = 4
+
+        class CF:
+            b: List['Final[int]'] = 4
+
+        self.assertEqual(get_type_hints(C, globals())['a'], ClassVar[int])
+        self.assertEqual(get_type_hints(C, globals())['b'], Final[int])
+        with self.assertRaises(TypeError):
+            get_type_hints(CF, globals()),
+
     def test_syntax_error(self):
 
         with self.assertRaises(SyntaxError):
@@ -3226,6 +3305,15 @@ class GetTypeHintTests(BaseTestCase):
             {"x": typing.Annotated[int | float, "const"]}
         )
 
+    def test_get_type_hints_annotated_in_union(self):  # bpo-46603
+        def with_union(x: int | list[Annotated[str, 'meta']]): ...
+
+        self.assertEqual(get_type_hints(with_union), {'x': int | list[str]})
+        self.assertEqual(
+            get_type_hints(with_union, include_extras=True),
+            {'x': int | list[Annotated[str, 'meta']]},
+        )
+
     def test_get_type_hints_annotated_refs(self):
 
         Const = Annotated[T, "Const"]
@@ -3435,11 +3523,10 @@ class CollectionsAbcTests(BaseTestCase):
         self.assertNotIsInstance(42, typing.Container)
 
     def test_collection(self):
-        if hasattr(typing, 'Collection'):
-            self.assertIsInstance(tuple(), typing.Collection)
-            self.assertIsInstance(frozenset(), typing.Collection)
-            self.assertIsSubclass(dict, typing.Collection)
-            self.assertNotIsInstance(42, typing.Collection)
+        self.assertIsInstance(tuple(), typing.Collection)
+        self.assertIsInstance(frozenset(), typing.Collection)
+        self.assertIsSubclass(dict, typing.Collection)
+        self.assertNotIsInstance(42, typing.Collection)
 
     def test_abstractset(self):
         self.assertIsInstance(set(), typing.AbstractSet)
@@ -3834,6 +3921,10 @@ class CollectionsAbcTests(BaseTestCase):
         A.register(B)
         self.assertIsSubclass(B, typing.Mapping)
 
+    def test_or_and_ror(self):
+        self.assertEqual(typing.Sized | typing.Awaitable, Union[typing.Sized, typing.Awaitable])
+        self.assertEqual(typing.Coroutine | typing.Hashable, Union[typing.Coroutine, typing.Hashable])
+
 
 class OtherABCTests(BaseTestCase):
 
@@ -4295,6 +4386,93 @@ class TypedDictTests(BaseTestCase):
             'voice': str,
         }
 
+    def test_multiple_inheritance(self):
+        class One(TypedDict):
+            one: int
+        class Two(TypedDict):
+            two: str
+        class Untotal(TypedDict, total=False):
+            untotal: str
+        Inline = TypedDict('Inline', {'inline': bool})
+        class Regular:
+            pass
+
+        class Child(One, Two):
+            child: bool
+        self.assertEqual(
+            Child.__required_keys__,
+            frozenset(['one', 'two', 'child']),
+        )
+        self.assertEqual(
+            Child.__optional_keys__,
+            frozenset([]),
+        )
+        self.assertEqual(
+            Child.__annotations__,
+            {'one': int, 'two': str, 'child': bool},
+        )
+
+        class ChildWithOptional(One, Untotal):
+            child: bool
+        self.assertEqual(
+            ChildWithOptional.__required_keys__,
+            frozenset(['one', 'child']),
+        )
+        self.assertEqual(
+            ChildWithOptional.__optional_keys__,
+            frozenset(['untotal']),
+        )
+        self.assertEqual(
+            ChildWithOptional.__annotations__,
+            {'one': int, 'untotal': str, 'child': bool},
+        )
+
+        class ChildWithTotalFalse(One, Untotal, total=False):
+            child: bool
+        self.assertEqual(
+            ChildWithTotalFalse.__required_keys__,
+            frozenset(['one']),
+        )
+        self.assertEqual(
+            ChildWithTotalFalse.__optional_keys__,
+            frozenset(['untotal', 'child']),
+        )
+        self.assertEqual(
+            ChildWithTotalFalse.__annotations__,
+            {'one': int, 'untotal': str, 'child': bool},
+        )
+
+        class ChildWithInlineAndOptional(Untotal, Inline):
+            child: bool
+        self.assertEqual(
+            ChildWithInlineAndOptional.__required_keys__,
+            frozenset(['inline', 'child']),
+        )
+        self.assertEqual(
+            ChildWithInlineAndOptional.__optional_keys__,
+            frozenset(['untotal']),
+        )
+        self.assertEqual(
+            ChildWithInlineAndOptional.__annotations__,
+            {'inline': bool, 'untotal': str, 'child': bool},
+        )
+
+        wrong_bases = [
+            (One, Regular),
+            (Regular, One),
+            (One, Two, Regular),
+            (Inline, Regular),
+            (Untotal, Regular),
+        ]
+        for bases in wrong_bases:
+            with self.subTest(bases=bases):
+                with self.assertRaisesRegex(
+                    TypeError,
+                    'cannot inherit from both a TypedDict type and a non-TypedDict',
+                ):
+                    class Wrong(*bases):
+                        pass
+
     def test_is_typeddict(self):
         assert is_typeddict(Point2D) is True
         assert is_typeddict(Union[str, int]) is False
@@ -4405,6 +4583,13 @@ class RETests(BaseTestCase):
 
 class AnnotatedTests(BaseTestCase):
 
+    def test_new(self):
+        with self.assertRaisesRegex(
+            TypeError,
+            'Type Annotated cannot be instantiated',
+        ):
+            Annotated()
+
     def test_repr(self):
         self.assertEqual(
             repr(Annotated[int, 4, 5]),
@@ -4489,6 +4674,14 @@ class AnnotatedTests(BaseTestCase):
         A.x = 5
         self.assertEqual(C.x, 5)
 
+    def test_special_form_containment(self):
+        class C:
+            classvar: Annotated[ClassVar[int], "a decoration"] = 4
+            const: Annotated[Final[int], "Const"] = 4
+
+        self.assertEqual(get_type_hints(C, globals())['classvar'], ClassVar[int])
+        self.assertEqual(get_type_hints(C, globals())['const'], Final[int])
+
     def test_hash_eq(self):
         self.assertEqual(len({Annotated[int, 4, 5], Annotated[int, 4, 5]}), 1)
         self.assertNotEqual(Annotated[int, 4, 5], Annotated[int, 5, 4])
@@ -4512,6 +4705,10 @@ class AnnotatedTests(BaseTestCase):
         with self.assertRaises(TypeError):
             issubclass(int, Annotated[int, "positive"])
 
+    def test_too_few_type_args(self):
+        with self.assertRaisesRegex(TypeError, 'at least two arguments'):
+            Annotated[int]
+
     def test_pickle(self):
         samples = [typing.Any, typing.Union[int, str],
                    typing.Optional[str], Tuple[int, ...],
@@ -4596,6 +4793,11 @@ class TypeAliasTests(BaseTestCase):
         with self.assertRaises(TypeError):
             isinstance(42, TypeAlias)
 
+    def test_stringized_usage(self):
+        class A:
+            a: "TypeAlias"
+        self.assertEqual(get_type_hints(A), {'a': TypeAlias})
+
     def test_no_issubclass(self):
         with self.assertRaises(TypeError):
             issubclass(Employee, TypeAlias)
@@ -4646,15 +4848,35 @@ class ParamSpecTests(BaseTestCase):
 
     def test_args_kwargs(self):
         P = ParamSpec('P')
+        P_2 = ParamSpec('P_2')
         self.assertIn('args', dir(P))
         self.assertIn('kwargs', dir(P))
         self.assertIsInstance(P.args, ParamSpecArgs)
         self.assertIsInstance(P.kwargs, ParamSpecKwargs)
         self.assertIs(P.args.__origin__, P)
         self.assertIs(P.kwargs.__origin__, P)
+        self.assertEqual(P.args, P.args)
+        self.assertEqual(P.kwargs, P.kwargs)
+        self.assertNotEqual(P.args, P_2.args)
+        self.assertNotEqual(P.kwargs, P_2.kwargs)
+        self.assertNotEqual(P.args, P.kwargs)
+        self.assertNotEqual(P.kwargs, P.args)
+        self.assertNotEqual(P.args, P_2.kwargs)
         self.assertEqual(repr(P.args), "P.args")
         self.assertEqual(repr(P.kwargs), "P.kwargs")
 
+    def test_stringized(self):
+        P = ParamSpec('P')
+        class C(Generic[P]):
+            func: Callable["P", int]
+            def foo(self, *args: "P.args", **kwargs: "P.kwargs"):
+                pass
+
+        self.assertEqual(gth(C, globals(), locals()), {"func": Callable[P, int]})
+        self.assertEqual(
+            gth(C.foo, globals(), locals()), {"args": P.args, "kwargs": P.kwargs}
+        )
+
     def test_user_generics(self):
         T = TypeVar("T")
         P = ParamSpec("P")
@@ -4723,6 +4945,17 @@ class ParamSpecTests(BaseTestCase):
         self.assertEqual(G1.__args__, ((int, str), (bytes,)))
         self.assertEqual(G2.__args__, ((int,), (str, bytes)))
 
+    def test_bad_var_substitution(self):
+        T = TypeVar('T')
+        P = ParamSpec('P')
+        bad_args = (42, int, None, T, int|str, Union[int, str])
+        for arg in bad_args:
+            with self.subTest(arg=arg):
+                with self.assertRaises(TypeError):
+                    typing.Callable[P, T][arg, str]
+                with self.assertRaises(TypeError):
+                    collections.abc.Callable[P, T][arg, str]
+
     def test_no_paramspec_in__parameters__(self):
         # ParamSpec should not be found in __parameters__
         # of generics. Usages outside Callable, Concatenate
@@ -4752,6 +4985,31 @@ class ParamSpecTests(BaseTestCase):
         self.assertEqual(G1.__parameters__, (P, T))
         self.assertEqual(G2.__parameters__, (P, T))
         self.assertEqual(G3.__parameters__, (P, T))
+        C = Callable[[int, str], float]
+        self.assertEqual(G1[[int, str], float], List[C])
+        self.assertEqual(G2[[int, str], float], list[C])
+        self.assertEqual(G3[[int, str], float], list[C] | int)
+
+    def test_paramspec_gets_copied(self):
+        # bpo-46581
+        P = ParamSpec('P')
+        P2 = ParamSpec('P2')
+        C1 = Callable[P, int]
+        self.assertEqual(C1.__parameters__, (P,))
+        self.assertEqual(C1[P2].__parameters__, (P2,))
+        self.assertEqual(C1[str].__parameters__, ())
+        self.assertEqual(C1[str, T].__parameters__, (T,))
+        self.assertEqual(C1[Concatenate[str, P2]].__parameters__, (P2,))
+        self.assertEqual(C1[Concatenate[T, P2]].__parameters__, (T, P2))
+        self.assertEqual(C1[...].__parameters__, ())
+
+        C2 = Callable[Concatenate[str, P], int]
+        self.assertEqual(C2.__parameters__, (P,))
+        self.assertEqual(C2[P2].__parameters__, (P2,))
+        self.assertEqual(C2[str].__parameters__, ())
+        self.assertEqual(C2[str, T].__parameters__, (T,))
+        self.assertEqual(C2[Concatenate[str, P2]].__parameters__, (P2,))
+        self.assertEqual(C2[Concatenate[T, P2]].__parameters__, (T, P2))
 
 
 class ConcatenateTests(BaseTestCase):
@@ -4779,6 +5037,27 @@ class ConcatenateTests(BaseTestCase):
         self.assertEqual(C4.__args__, (Concatenate[int, T, P], T))
         self.assertEqual(C4.__parameters__, (T, P))
 
+    def test_var_substitution(self):
+        T = TypeVar('T')
+        P = ParamSpec('P')
+        P2 = ParamSpec('P2')
+        C = Concatenate[T, P]
+        self.assertEqual(C[int, P2], Concatenate[int, P2])
+        self.assertEqual(C[int, [str, float]], (int, str, float))
+        self.assertEqual(C[int, []], (int,))
+        self.assertEqual(C[int, Concatenate[str, P2]],
+                         Concatenate[int, str, P2])
+        with self.assertRaises(TypeError):
+            C[int, ...]
+
+        C = Concatenate[int, P]
+        self.assertEqual(C[P2], Concatenate[int, P2])
+        self.assertEqual(C[[str, float]], (int, str, float))
+        self.assertEqual(C[str, float], (int, str, float))
+        self.assertEqual(C[[]], (int,))
+        self.assertEqual(C[Concatenate[str, P2]], Concatenate[int, str, P2])
+        with self.assertRaises(TypeError):
+            C[...]
 
 class TypeGuardTests(BaseTestCase):
     def test_basics(self):
@@ -4970,7 +5249,7 @@ class SpecialAttrsTests(BaseTestCase):
         )
         self.assertEqual(
             SpecialAttrsTests.TypeName.__module__,
-            'test.test_typing',
+            __name__,
         )
         # NewTypes are picklable assuming correct qualname information.
         for proto in range(pickle.HIGHEST_PROTOCOL + 1):
@@ -4984,7 +5263,7 @@ class SpecialAttrsTests(BaseTestCase):
         # __qualname__ is unnecessary.
         self.assertEqual(SpecialAttrsT.__name__, 'SpecialAttrsT')
         self.assertFalse(hasattr(SpecialAttrsT, '__qualname__'))
-        self.assertEqual(SpecialAttrsT.__module__, 'test.test_typing')
+        self.assertEqual(SpecialAttrsT.__module__, __name__)
         # Module-level type variables are picklable.
         for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             s = pickle.dumps(SpecialAttrsT, proto)
@@ -4993,7 +5272,7 @@ class SpecialAttrsTests(BaseTestCase):
 
         self.assertEqual(SpecialAttrsP.__name__, 'SpecialAttrsP')
         self.assertFalse(hasattr(SpecialAttrsP, '__qualname__'))
-        self.assertEqual(SpecialAttrsP.__module__, 'test.test_typing')
+        self.assertEqual(SpecialAttrsP.__module__, __name__)
         # Module-level ParamSpecs are picklable.
         for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             s = pickle.dumps(SpecialAttrsP, proto)
@@ -5021,8 +5300,9 @@ class AllTests(BaseTestCase):
         self.assertIn('ValuesView', a)
         self.assertIn('cast', a)
         self.assertIn('overload', a)
-        if hasattr(contextlib, 'AbstractContextManager'):
-            self.assertIn('ContextManager', a)
+        # Context managers.
+        self.assertIn('ContextManager', a)
+        self.assertIn('AsyncContextManager', a)
         # Check that io and re are not exported.
         self.assertNotIn('io', a)
         self.assertNotIn('re', a)
@@ -5036,8 +5316,6 @@ class AllTests(BaseTestCase):
         self.assertIn('SupportsComplex', a)
 
     def test_all_exported_names(self):
-        import typing
-
         actual_all = set(typing.__all__)
         computed_all = {
             k for k, v in vars(typing).items()

diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index 9db23e6..399c942 100644 (file)
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -164,7 +164,6 @@ class RequestHdrsTests(unittest.TestCase):
         self.assertEqual(find_user_pass("Some Realm",
                                         "http://example.com/spam"),
                          ('joe', 'password'))
-
         self.assertEqual(find_user_pass("Some Realm",
                                         "http://example.com/spam/spam"),
                          ('joe', 'password'))
@@ -173,12 +172,29 @@ class RequestHdrsTests(unittest.TestCase):
 
         add("c", "http://example.com/foo", "foo", "ni")
         add("c", "http://example.com/bar", "bar", "nini")
+        add("c", "http://example.com/foo/bar", "foobar", "nibar")
 
         self.assertEqual(find_user_pass("c", "http://example.com/foo"),
                          ('foo', 'ni'))
-
         self.assertEqual(find_user_pass("c", "http://example.com/bar"),
                          ('bar', 'nini'))
+        self.assertEqual(find_user_pass("c", "http://example.com/foo/"),
+                         ('foo', 'ni'))
+        self.assertEqual(find_user_pass("c", "http://example.com/foo/bar"),
+                         ('foo', 'ni'))
+        self.assertEqual(find_user_pass("c", "http://example.com/foo/baz"),
+                         ('foo', 'ni'))
+        self.assertEqual(find_user_pass("c", "http://example.com/foobar"),
+                         (None, None))
+
+        add("c", "http://example.com/baz/", "baz", "ninini")
+
+        self.assertEqual(find_user_pass("c", "http://example.com/baz"),
+                         (None, None))
+        self.assertEqual(find_user_pass("c", "http://example.com/baz/"),
+                         ('baz', 'ninini'))
+        self.assertEqual(find_user_pass("c", "http://example.com/baz/bar"),
+                         ('baz', 'ninini'))
 
         # For the same path, newer password should be considered.
 
@@ -1658,8 +1674,9 @@ class HandlerTests(unittest.TestCase):
         auth_prior_handler.add_password(
             None, request_url, user, password, is_authenticated=True)
 
-        is_auth = pwd_manager.is_authenticated(request_url)
-        self.assertTrue(is_auth)
+        self.assertTrue(pwd_manager.is_authenticated(request_url))
+        self.assertTrue(pwd_manager.is_authenticated(request_url + '/nested'))
+        self.assertFalse(pwd_manager.is_authenticated(request_url + 'plain'))
 
         opener = OpenerDirector()
         opener.add_handler(auth_prior_handler)
@@ -1788,22 +1805,6 @@ class MiscTests(unittest.TestCase):
         self.opener_has_handler(o, MyHTTPHandler)
         self.opener_has_handler(o, MyOtherHTTPHandler)
 
-    @unittest.skipUnless(support.is_resource_enabled('network'),
-                         'test requires network access')
-    def test_issue16464(self):
-        with socket_helper.transient_internet("http://www.example.com/"):
-            opener = urllib.request.build_opener()
-            request = urllib.request.Request("http://www.example.com/")
-            self.assertEqual(None, request.data)
-
-            opener.open(request, "1".encode("us-ascii"))
-            self.assertEqual(b"1", request.data)
-            self.assertEqual("1", request.get_header("Content-length"))
-
-            opener.open(request, "1234567890".encode("us-ascii"))
-            self.assertEqual(b"1234567890", request.data)
-            self.assertEqual("10", request.get_header("Content-length"))
-
     def test_HTTPError_interface(self):
         """
         Issue 13211 reveals that HTTPError didn't implement the URLError

diff --git a/Lib/test/test_urllib2_localnet.py b/Lib/test/test_urllib2_localnet.py
index 0b2d07c..1b2baf2 100644 (file)
--- a/Lib/test/test_urllib2_localnet.py
+++ b/Lib/test/test_urllib2_localnet.py
@@ -660,6 +660,24 @@ class TestUrlopen(unittest.TestCase):
                              (index, len(lines[index]), len(line)))
         self.assertEqual(index + 1, len(lines))
 
+    def test_issue16464(self):
+        # See https://bugs.python.org/issue16464
+        # and https://bugs.python.org/issue46648
+        handler = self.start_server([
+            (200, [], b'any'),
+            (200, [], b'any'),
+        ])
+        opener = urllib.request.build_opener()
+        request = urllib.request.Request("http://localhost:%s" % handler.port)
+        self.assertEqual(None, request.data)
+
+        opener.open(request, "1".encode("us-ascii"))
+        self.assertEqual(b"1", request.data)
+        self.assertEqual("1", request.get_header("Content-length"))
+
+        opener.open(request, "1234567890".encode("us-ascii"))
+        self.assertEqual(b"1234567890", request.data)
+        self.assertEqual("10", request.get_header("Content-length"))
 
 def setUpModule():
     thread_info = threading_helper.threading_setup()

diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
index 285559a..5a34d84 100644 (file)
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -658,6 +658,14 @@ class ElementTreeTest(unittest.TestCase):
                     'junk after document element: line 1, column 12')
             del cm, it
 
+        # Not exhausting the iterator still closes the resource (bpo-43292)
+        with warnings_helper.check_no_resource_warning(self):
+            it = iterparse(TESTFN)
+            del it
+
+        with self.assertRaises(FileNotFoundError):
+            iterparse("nonexistent")
+
     def test_writefile(self):
         elem = ET.Element("tag")
         elem.text = "text"
@@ -758,6 +766,15 @@ class ElementTreeTest(unittest.TestCase):
                 ('end-ns', ''),
             ])
 
+    def test_initialize_parser_without_target(self):
+        # Explicit None
+        parser = ET.XMLParser(target=None)
+        self.assertIsInstance(parser.target, ET.TreeBuilder)
+
+        # Implicit None
+        parser2 = ET.XMLParser()
+        self.assertIsInstance(parser2.target, ET.TreeBuilder)
+
     def test_children(self):
         # Test Element children iteration
 
@@ -2183,12 +2200,6 @@ class BugsTest(unittest.TestCase):
                 b"<?xml version='1.0' encoding='ascii'?>\n"
                 b'<body>t&#227;g</body>')
 
-    def test_issue3151(self):
-        e = ET.XML('<prefix:localname xmlns:prefix="${stuff}"/>')
-        self.assertEqual(e.tag, '{${stuff}}localname')
-        t = ET.ElementTree(e)
-        self.assertEqual(ET.tostring(e), b'<ns0:localname xmlns:ns0="${stuff}" />')
-
     def test_issue6565(self):
         elem = ET.XML("<body><tag/></body>")
         self.assertEqual(summarize_list(elem), ['tag'])

diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index bfc981c..6e06ee6 100644 (file)
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -1,3 +1,4 @@
+import array
 import contextlib
 import importlib.util
 import io
@@ -1119,6 +1120,14 @@ class AbstractWriterTests:
             self.assertRaises(ValueError, w.write, b'')
             self.assertEqual(zipf.read('test'), data)
 
+    def test_issue44439(self):
+        q = array.array('Q', [1, 2, 3, 4, 5])
+        LENGTH = len(q) * q.itemsize
+        with zipfile.ZipFile(io.BytesIO(), 'w', self.compression) as zip:
+            with zip.open('data', 'w') as data:
+                self.assertEqual(data.write(q), LENGTH)
+            self.assertEqual(zip.getinfo('data').file_size, LENGTH)
+
 class StoredWriterTests(AbstractWriterTests, unittest.TestCase):
     compression = zipfile.ZIP_STORED
 

diff --git a/Lib/test/test_zipfile64.py b/Lib/test/test_zipfile64.py
index 810fded..0947013 100644 (file)
--- a/Lib/test/test_zipfile64.py
+++ b/Lib/test/test_zipfile64.py
@@ -18,8 +18,9 @@ import sys
 from tempfile import TemporaryFile
 
 from test.support import os_helper
-from test.support import TESTFN, requires_zlib
+from test.support import requires_zlib
 
+TESTFN = os_helper.TESTFN
 TESTFN2 = TESTFN + "2"
 
 # How much time in seconds can pass before we print a 'Still working' message.

diff --git a/Lib/test/test_zipimport.py b/Lib/test/test_zipimport.py
index 19d3a88..b291d53 100644 (file)
--- a/Lib/test/test_zipimport.py
+++ b/Lib/test/test_zipimport.py
@@ -709,8 +709,8 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
     def doTraceback(self, module):
         try:
             module.do_raise()
-        except:
-            tb = sys.exc_info()[2].tb_next
+        except Exception as e:
+            tb = e.__traceback__.tb_next
 
             f,lno,n,line = extract_tb(tb, 1)[0]
             self.assertEqual(line, raise_src.strip())

diff --git a/Lib/typing.py b/Lib/typing.py
index 2522547..086d0f3 100644 (file)
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -134,16 +134,16 @@ __all__ = [
 # legitimate imports of those modules.
 
 
-def _type_convert(arg, module=None):
+def _type_convert(arg, module=None, *, allow_special_forms=False):
     """For converting None to type(None), and strings to ForwardRef."""
     if arg is None:
         return type(None)
     if isinstance(arg, str):
-        return ForwardRef(arg, module=module)
+        return ForwardRef(arg, module=module, is_class=allow_special_forms)
     return arg
 
 
-def _type_check(arg, msg, is_argument=True, module=None, *, is_class=False):
+def _type_check(arg, msg, is_argument=True, module=None, *, allow_special_forms=False):
     """Check that the argument is a type, and return it (internal helper).
 
     As a special case, accept None and return type(None) instead. Also wrap strings
@@ -156,20 +156,21 @@ def _type_check(arg, msg, is_argument=True, module=None, *, is_class=False):
     We append the repr() of the actual value (truncated to 100 chars).
     """
     invalid_generic_forms = (Generic, Protocol)
-    if not is_class:
+    if not allow_special_forms:
         invalid_generic_forms += (ClassVar,)
         if is_argument:
             invalid_generic_forms += (Final,)
 
-    arg = _type_convert(arg, module=module)
+    arg = _type_convert(arg, module=module, allow_special_forms=allow_special_forms)
     if (isinstance(arg, _GenericAlias) and
             arg.__origin__ in invalid_generic_forms):
         raise TypeError(f"{arg} is not valid as type argument")
-    if arg in (Any, NoReturn, Final):
+    if arg in (Any, NoReturn, Final, TypeAlias):
         return arg
     if isinstance(arg, _SpecialForm) or arg in (Generic, Protocol):
         raise TypeError(f"Plain {arg} is not valid as type argument")
-    if isinstance(arg, (type, TypeVar, ForwardRef, types.UnionType, ParamSpec)):
+    if isinstance(arg, (type, TypeVar, ForwardRef, types.UnionType, ParamSpec,
+                        ParamSpecArgs, ParamSpecKwargs)):
         return arg
     if not callable(arg):
         raise TypeError(f"{msg} Got {arg!r:.100}.")
@@ -319,8 +320,8 @@ def _tp_cache(func=None, /, *, typed=False):
 def _eval_type(t, globalns, localns, recursive_guard=frozenset()):
     """Evaluate all forward references in the given type t.
     For use of globalns and localns see the docstring for get_type_hints().
-    recursive_guard is used to prevent prevent infinite recursion
-    with recursive ForwardRef.
+    recursive_guard is used to prevent infinite recursion with a recursive
+    ForwardRef.
     """
     if isinstance(t, ForwardRef):
         return t._evaluate(globalns, localns, recursive_guard)
@@ -598,8 +599,10 @@ def Concatenate(self, parameters):
         raise TypeError("The last parameter to Concatenate should be a "
                         "ParamSpec variable.")
     msg = "Concatenate[arg, ...]: each arg must be a type."
-    parameters = tuple(_type_check(p, msg) for p in parameters)
-    return _ConcatenateGenericAlias(self, parameters)
+    parameters = (*(_type_check(p, msg) for p in parameters[:-1]), parameters[-1])
+    return _ConcatenateGenericAlias(self, parameters,
+                                    _typevar_types=(TypeVar, ParamSpec),
+                                    _paramspec_tvars=True)
 
 
 @_SpecialForm
@@ -691,7 +694,7 @@ class ForwardRef(_Final, _root=True):
                 eval(self.__forward_code__, globalns, localns),
                 "Forward references must evaluate to types.",
                 is_argument=self.__forward_is_argument__,
-                is_class=self.__forward_is_class__,
+                allow_special_forms=self.__forward_is_class__,
             )
             self.__forward_value__ = _eval_type(
                 type_, globalns, localns, recursive_guard | {self.__forward_arg__}
@@ -705,10 +708,11 @@ class ForwardRef(_Final, _root=True):
         if self.__forward_evaluated__ and other.__forward_evaluated__:
             return (self.__forward_arg__ == other.__forward_arg__ and
                     self.__forward_value__ == other.__forward_value__)
-        return self.__forward_arg__ == other.__forward_arg__
+        return (self.__forward_arg__ == other.__forward_arg__ and
+                self.__forward_module__ == other.__forward_module__)
 
     def __hash__(self):
-        return hash(self.__forward_arg__)
+        return hash((self.__forward_arg__, self.__forward_module__))
 
     def __repr__(self):
         return f'ForwardRef({self.__forward_arg__!r})'
@@ -830,6 +834,11 @@ class ParamSpecArgs(_Final, _Immutable, _root=True):
     def __repr__(self):
         return f"{self.__origin__.__name__}.args"
 
+    def __eq__(self, other):
+        if not isinstance(other, ParamSpecArgs):
+            return NotImplemented
+        return self.__origin__ == other.__origin__
+
 
 class ParamSpecKwargs(_Final, _Immutable, _root=True):
     """The kwargs for a ParamSpec object.
@@ -849,6 +858,11 @@ class ParamSpecKwargs(_Final, _Immutable, _root=True):
     def __repr__(self):
         return f"{self.__origin__.__name__}.kwargs"
 
+    def __eq__(self, other):
+        if not isinstance(other, ParamSpecKwargs):
+            return NotImplemented
+        return self.__origin__ == other.__origin__
+
 
 class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True):
     """Parameter specification variable.
@@ -861,7 +875,7 @@ class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True):
     type checkers.  They are used to forward the parameter types of one
     callable to another callable, a pattern commonly found in higher order
     functions and decorators.  They are only valid when used in ``Concatenate``,
-    or s the first argument to ``Callable``, or as parameters for user-defined
+    or as the first argument to ``Callable``, or as parameters for user-defined
     Generics.  See class Generic for more information on generic types.  An
     example for annotating a decorator::
 
@@ -964,7 +978,7 @@ class _BaseGenericAlias(_Final, _root=True):
             return self._name or self.__origin__.__name__
 
         # We are careful for copy and pickle.
-        # Also for simplicity we just don't relay all dunder names
+        # Also for simplicity we don't relay any dunder names
         if '__origin__' in self.__dict__ and not _is_dunder(attr):
             return getattr(self.__origin__, attr)
         raise AttributeError(attr)
@@ -1067,7 +1081,9 @@ class _GenericAlias(_BaseGenericAlias, _root=True):
         return self.copy_with(tuple(new_args))
 
     def copy_with(self, params):
-        return self.__class__(self.__origin__, params, name=self._name, inst=self._inst)
+        return self.__class__(self.__origin__, params, name=self._name, inst=self._inst,
+                              _typevar_types=self._typevar_types,
+                              _paramspec_tvars=self._paramspec_tvars)
 
     def __repr__(self):
         if self._name:
@@ -1269,10 +1285,15 @@ class _LiteralGenericAlias(_GenericAlias, _root=True):
 
 
 class _ConcatenateGenericAlias(_GenericAlias, _root=True):
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs,
-                         _typevar_types=(TypeVar, ParamSpec),
-                         _paramspec_tvars=True)
+    def copy_with(self, params):
+        if isinstance(params[-1], (list, tuple)):
+            return (*params[:-1], *params[-1])
+        if isinstance(params[-1], _ConcatenateGenericAlias):
+            params = (*params[:-1], *params[-1].__args__)
+        elif not isinstance(params[-1], ParamSpec):
+            raise TypeError("The last parameter to Concatenate should be a "
+                            "ParamSpec variable.")
+        return super().copy_with(params)
 
 
 class Generic:
@@ -1677,7 +1698,7 @@ class Annotated:
                             "with at least two arguments (a type and an "
                             "annotation).")
         msg = "Annotated[t, ...]: t must be a type."
-        origin = _type_check(params[0], msg)
+        origin = _type_check(params[0], msg, allow_special_forms=True)
         metadata = tuple(params[1:])
         return _AnnotatedAlias(origin, metadata)
 

diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
index 6226bd4..7152f86 100644 (file)
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -1602,9 +1602,9 @@ class _patch(object):
 def _get_target(target):
     try:
         target, attribute = target.rsplit('.', 1)
-    except (TypeError, ValueError):
-        raise TypeError("Need a valid target to patch. You supplied: %r" %
-                        (target,))
+    except (TypeError, ValueError, AttributeError):
+        raise TypeError(
+            f"Need a valid target to patch. You supplied: {target!r}")
     getter = lambda: _importer(target)
     return getter, attribute
 

diff --git a/Lib/unittest/result.py b/Lib/unittest/result.py
index ce7468e..3da7005 100644 (file)
--- a/Lib/unittest/result.py
+++ b/Lib/unittest/result.py
@@ -173,18 +173,10 @@ class TestResult(object):
     def _exc_info_to_string(self, err, test):
         """Converts a sys.exc_info()-style tuple of values into a string."""
         exctype, value, tb = err
-        # Skip test runner traceback levels
-        while tb and self._is_relevant_tb_level(tb):
-            tb = tb.tb_next
-
-        if exctype is test.failureException:
-            # Skip assert*() traceback levels
-            length = self._count_relevant_tb_levels(tb)
-        else:
-            length = None
+        tb = self._clean_tracebacks(exctype, value, tb, test)
         tb_e = traceback.TracebackException(
             exctype, value, tb,
-            limit=length, capture_locals=self.tb_locals, compact=True)
+            capture_locals=self.tb_locals, compact=True)
         msgLines = list(tb_e.format())
 
         if self.buffer:
@@ -200,16 +192,49 @@ class TestResult(object):
                 msgLines.append(STDERR_LINE % error)
         return ''.join(msgLines)
 
+    def _clean_tracebacks(self, exctype, value, tb, test):
+        ret = None
+        first = True
+        excs = [(exctype, value, tb)]
+        while excs:
+            (exctype, value, tb) = excs.pop()
+            # Skip test runner traceback levels
+            while tb and self._is_relevant_tb_level(tb):
+                tb = tb.tb_next
+
+            # Skip assert*() traceback levels
+            if exctype is test.failureException:
+                self._remove_unittest_tb_frames(tb)
+
+            if first:
+                ret = tb
+                first = False
+            else:
+                value.__traceback__ = tb
+
+            if value is not None:
+                for c in (value.__cause__, value.__context__):
+                    if c is not None:
+                        excs.append((type(c), c, c.__traceback__))
+        return ret
 
     def _is_relevant_tb_level(self, tb):
         return '__unittest' in tb.tb_frame.f_globals
 
-    def _count_relevant_tb_levels(self, tb):
-        length = 0
+    def _remove_unittest_tb_frames(self, tb):
+        '''Truncates usercode tb at the first unittest frame.
+
+        If the first frame of the traceback is in user code,
+        the prefix up to the first unittest frame is returned.
+        If the first frame is already in the unittest module,
+        the traceback is not modified.
+        '''
+        prev = None
         while tb and not self._is_relevant_tb_level(tb):
-            length += 1
+            prev = tb
             tb = tb.tb_next
-        return length
+        if prev is not None:
+            prev.tb_next = None
 
     def __repr__(self):
         return ("<%s run=%i errors=%i failures=%i>" %

diff --git a/Lib/unittest/test/test_program.py b/Lib/unittest/test/test_program.py
index 4746d71..b7fbbc1 100644 (file)
--- a/Lib/unittest/test/test_program.py
+++ b/Lib/unittest/test/test_program.py
@@ -6,7 +6,7 @@ import subprocess
 from test import support
 import unittest
 import unittest.test
-from .test_result import BufferedWriter
+from unittest.test.test_result import BufferedWriter
 
 
 class Test_TestProgram(unittest.TestCase):

diff --git a/Lib/unittest/test/test_result.py b/Lib/unittest/test/test_result.py
index 5416735..c5aaba0 100644 (file)
--- a/Lib/unittest/test/test_result.py
+++ b/Lib/unittest/test/test_result.py
@@ -220,6 +220,61 @@ class Test_TestResult(unittest.TestCase):
         self.assertIs(test_case, test)
         self.assertIsInstance(formatted_exc, str)
 
+    def test_addFailure_filter_traceback_frames(self):
+        class Foo(unittest.TestCase):
+            def test_1(self):
+                pass
+
+        test = Foo('test_1')
+        def get_exc_info():
+            try:
+                test.fail("foo")
+            except:
+                return sys.exc_info()
+
+        exc_info_tuple = get_exc_info()
+
+        full_exc = traceback.format_exception(*exc_info_tuple)
+
+        result = unittest.TestResult()
+        result.startTest(test)
+        result.addFailure(test, exc_info_tuple)
+        result.stopTest(test)
+
+        formatted_exc = result.failures[0][1]
+        dropped = [l for l in full_exc if l not in formatted_exc]
+        self.assertEqual(len(dropped), 1)
+        self.assertIn("raise self.failureException(msg)", dropped[0])
+
+    def test_addFailure_filter_traceback_frames_context(self):
+        class Foo(unittest.TestCase):
+            def test_1(self):
+                pass
+
+        test = Foo('test_1')
+        def get_exc_info():
+            try:
+                try:
+                    test.fail("foo")
+                except:
+                    raise ValueError(42)
+            except:
+                return sys.exc_info()
+
+        exc_info_tuple = get_exc_info()
+
+        full_exc = traceback.format_exception(*exc_info_tuple)
+
+        result = unittest.TestResult()
+        result.startTest(test)
+        result.addFailure(test, exc_info_tuple)
+        result.stopTest(test)
+
+        formatted_exc = result.failures[0][1]
+        dropped = [l for l in full_exc if l not in formatted_exc]
+        self.assertEqual(len(dropped), 1)
+        self.assertIn("raise self.failureException(msg)", dropped[0])
+
     # "addError(test, err)"
     # ...
     # "Called when the test case test raises an unexpected exception err

diff --git a/Lib/unittest/test/testmock/testpatch.py b/Lib/unittest/test/testmock/testpatch.py
index 233a5af..8ab63a1 100644 (file)
--- a/Lib/unittest/test/testmock/testpatch.py
+++ b/Lib/unittest/test/testmock/testpatch.py
@@ -1933,8 +1933,13 @@ class PatchTest(unittest.TestCase):
 
 
     def test_invalid_target(self):
-        with self.assertRaises(TypeError):
-            patch('')
+        class Foo:
+            pass
+
+        for target in ['', 12, Foo()]:
+            with self.subTest(target=target):
+                with self.assertRaises(TypeError):
+                    patch(target)
 
 
     def test_cant_set_kwargs_when_passing_a_mock(self):

diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index eca6cc3..34b1b0b 100644 (file)
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -889,10 +889,10 @@ class HTTPPasswordMgr:
             return True
         if base[0] != test[0]:
             return False
-        common = posixpath.commonprefix((base[1], test[1]))
-        if len(common) == len(base[1]):
-            return True
-        return False
+        prefix = base[1]
+        if prefix[-1:] != '/':
+            prefix += '/'
+        return test[1].startswith(prefix)
 
 
 class HTTPPasswordMgrWithDefaultRealm(HTTPPasswordMgr):

diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index e9409fd..07be860 100644 (file)
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -1248,8 +1248,14 @@ def iterparse(source, events=None, parser=None):
     # Use the internal, undocumented _parser argument for now; When the
     # parser argument of iterparse is removed, this can be killed.
     pullparser = XMLPullParser(events=events, _parser=parser)
-    def iterator():
+
+    def iterator(source):
+        close_source = False
         try:
+            if not hasattr(source, "read"):
+                source = open(source, "rb")
+                close_source = True
+            yield None
             while True:
                 yield from pullparser.read_events()
                 # load event buffer
@@ -1265,16 +1271,12 @@ def iterparse(source, events=None, parser=None):
                 source.close()
 
     class IterParseIterator(collections.abc.Iterator):
-        __next__ = iterator().__next__
+        __next__ = iterator(source).__next__
     it = IterParseIterator()
     it.root = None
     del iterator, IterParseIterator
 
-    close_source = False
-    if not hasattr(source, "read"):
-        source = open(source, "rb")
-        close_source = True
-
+    next(it)
     return it
 
 

diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index d99c0d7..67cfdfb 100644 (file)
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -1121,8 +1121,15 @@ class _ZipWriteFile(io.BufferedIOBase):
     def write(self, data):
         if self.closed:
             raise ValueError('I/O operation on closed file.')
-        nbytes = len(data)
+
+        # Accept any data that supports the buffer protocol
+        if isinstance(data, (bytes, bytearray)):
+            nbytes = len(data)
+        else:
+            data = memoryview(data)
+            nbytes = data.nbytes
         self._file_size += nbytes
+
         self._crc = crc32(data, self._crc)
         if self._compressor:
             data = self._compressor.compress(data)

diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 1eef40f..4308a20 100755 (executable)
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -246,9 +246,9 @@ def library_recipes():
 
     result.extend([
           dict(
-              name="OpenSSL 1.1.1m",
-              url="https://www.openssl.org/source/openssl-1.1.1m.tar.gz",
-              checksum='8ec70f665c145c3103f6e330f538a9db',
+              name="OpenSSL 1.1.1n",
+              url="https://www.openssl.org/source/openssl-1.1.1n.tar.gz",
+              checksum='2aad5635f9bb338bc2c6b7d19cbc9676',
               buildrecipe=build_universal_openssl,
               configure=None,
               install=None,
@@ -358,9 +358,9 @@ def library_recipes():
                   ),
           ),
           dict(
-              name="SQLite 3.35.5",
-              url="https://sqlite.org/2021/sqlite-autoconf-3350500.tar.gz",
-              checksum='d1d1aba394c8e0443077dc9f1a681bb8',
+              name="SQLite 3.37.2",
+              url="https://sqlite.org/2022/sqlite-autoconf-3370200.tar.gz",
+              checksum='683cc5312ee74e71079c14d24b7a6d27',
               extra_cflags=('-Os '
                             '-DSQLITE_ENABLE_FTS5 '
                             '-DSQLITE_ENABLE_FTS4 '

diff --git a/Misc/ACKS b/Misc/ACKS
index 94b0ed0..7668caf 100644 (file)
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -190,6 +190,7 @@ Paul Boddie
 Matthew Boedicker
 Robin Boerdijk
 Andra Bogildea
+Matt Bogosian
 Nikolay Bogoychev
 David Bolen
 Wouter Bolsterlee
@@ -427,6 +428,7 @@ Caleb Deveraux
 Catherine Devlin
 Scott Dial
 Alon Diamant
+Lital Natan
 Toby Dickenson
 Mark Dickinson
 Jack Diederich
@@ -677,6 +679,7 @@ Anders Hammarquist
 Mark Hammond
 Harald Hanche-Olsen
 Manus Hand
+Andreas Hangauer
 Milton L. Hankins
 Carl Bordum Hansen
 Stephen Hansen
@@ -1115,6 +1118,7 @@ Vincent Marchetti
 David Marek
 Doug Marien
 Sven Marnach
+John Marshall
 Alex Martelli
 Dennis Mårtensson
 Anthony Martin
@@ -1667,6 +1671,7 @@ Evgeny Sologubov
 Cody Somerville
 Anthony Sottile
 Edoardo Spadolini
+Tom Sparrow
 Geoffrey Spear
 Clay Spence
 Stefan Sperling
@@ -1866,6 +1871,7 @@ Wojtek Walczak
 Charles Waldman
 Richard Walker
 Larry Wall
+Jacob Walls
 Kevin Walzer
 Rodrigo Steinmuller Wanderley
 Dingyuan Wang

diff --git a/Misc/NEWS b/Misc/NEWS
index 0fc215a..919d240 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -2,6 +2,369 @@
 Python News
 +++++++++++
 
+What's New in Python 3.10.3 final?
+==================================
+
+*Release date: 2022-03-16*
+
+Core and Builtins
+-----------------
+
+- bpo-46940: Avoid overriding :exc:`AttributeError` metadata information for
+  nested attribute access calls. Patch by Pablo Galindo.
+
+- bpo-46852: Rename the private undocumented ``float.__set_format__()``
+  method to ``float.__setformat__()`` to fix a typo introduced in Python
+  3.7. The method is only used by test_float. Patch by Victor Stinner.
+
+- bpo-46794: Bump up the libexpat version into 2.4.6
+
+- bpo-46820: Fix parsing a numeric literal immediately (without spaces)
+  followed by "not in" keywords, like in ``1not in x``. Now the parser only
+  emits a warning, not a syntax error.
+
+- bpo-46762: Fix an assert failure in debug builds when a '<', '>', or '='
+  is the last character in an f-string that's missing a closing right brace.
+
+- bpo-46724: Make sure that all backwards jumps use the ``JUMP_ABSOLUTE``
+  instruction, rather than ``JUMP_FORWARD`` with an argument of
+  ``(2**32)+offset``.
+
+- bpo-46732: Correct the docstring for the :meth:`__bool__` method. Patch by
+  Jelle Zijlstra.
+
+- bpo-46707: Avoid potential exponential backtracking when producing some
+  syntax errors involving lots of brackets. Patch by Pablo Galindo.
+
+- bpo-40479: Add a missing call to ``va_end()`` in
+  ``Modules/_hashopenssl.c``.
+
+- bpo-46615: When iterating over sets internally in ``setobject.c``, acquire
+  strong references to the resulting items from the set.  This prevents
+  crashes in corner-cases of various set operations where the set gets
+  mutated.
+
+- bpo-45773: Remove two invalid "peephole" optimizations from the bytecode
+  compiler.
+
+- bpo-43721: Fix docstrings of :attr:`~property.getter`,
+  :attr:`~property.setter`, and :attr:`~property.deleter` to clarify that
+  they create a new copy of the property.
+
+- bpo-46503: Fix an assert when parsing some invalid \N escape sequences in
+  f-strings.
+
+- bpo-46417: Fix a race condition on setting a type ``__bases__`` attribute:
+  the internal function ``add_subclass()`` now gets the
+  ``PyTypeObject.tp_subclasses`` member after calling
+  :c:func:`PyWeakref_NewRef` which can trigger a garbage collection which
+  can indirectly modify ``PyTypeObject.tp_subclasses``. Patch by Victor
+  Stinner.
+
+- bpo-46383: Fix invalid signature of ``_zoneinfo``'s ``module_free``
+  function to resolve a crash on wasm32-emscripten platform.
+
+- bpo-46070: :c:func:`Py_EndInterpreter` now explicitly untracks all objects
+  currently tracked by the GC. Previously, if an object was used later by
+  another interpreter, calling :c:func:`PyObject_GC_UnTrack` on the object
+  crashed if the previous or the next object of the :c:type:`PyGC_Head`
+  structure became a dangling pointer. Patch by Victor Stinner.
+
+- bpo-46339: Fix a crash in the parser when retrieving the error text for
+  multi-line f-strings expressions that do not start in the first line of
+  the string. Patch by Pablo Galindo
+
+- bpo-46240: Correct the error message for unclosed parentheses when the
+  tokenizer doesn't reach the end of the source when the error is reported.
+  Patch by Pablo Galindo
+
+- bpo-46091: Correctly calculate indentation levels for lines with
+  whitespace character that are ended by line continuation characters. Patch
+  by Pablo Galindo
+
+Library
+-------
+
+- bpo-43253: Fix a crash when closing transports where the underlying socket
+  handle is already invalid on the Proactor event loop.
+
+- bpo-47004: Apply bugfixes from importlib_metadata 4.11.3, including bugfix
+  for EntryPoint.extras, which was returning match objects and not the
+  extras strings.
+
+- bpo-46985: Upgrade pip wheel bundled with ensurepip (pip 22.0.4)
+
+- bpo-46968: :mod:`faulthandler`: On Linux 5.14 and newer, dynamically
+  determine size of signal handler stack size CPython allocates using
+  ``getauxval(AT_MINSIGSTKSZ)``. This changes allows for Python extension's
+  request to Linux kernel to use AMX_TILE instruction set on Sapphire Rapids
+  Xeon processor to succeed, unblocking use of the ISA in frameworks.
+
+- bpo-46955: Expose :class:`asyncio.base_events.Server` as
+  :class:`asyncio.Server`. Patch by Stefan Zabka.
+
+- bpo-23325: The :mod:`signal` module no longer assumes that
+  :const:`~signal.SIG_IGN` and :const:`~signal.SIG_DFL` are small int
+  singletons.
+
+- bpo-46932: Update bundled libexpat to 2.4.7
+
+- bpo-25707: Fixed a file leak in :func:`xml.etree.ElementTree.iterparse`
+  when the iterator is not exhausted. Patch by Jacob Walls.
+
+- bpo-44886: Inherit asyncio proactor datagram transport from
+  :class:`asyncio.DatagramTransport`.
+
+- bpo-46827: Support UDP sockets in  :meth:`asyncio.loop.sock_connect` for
+  selector-based event loops.  Patch by Thomas Grainger.
+
+- bpo-46811: Make test suite support Expat >=2.4.5
+
+- bpo-46252: Raise :exc:`TypeError` if :class:`ssl.SSLSocket` is passed to
+  transport-based APIs.
+
+- bpo-46784: Fix libexpat symbols collisions with user dynamically loaded or
+  statically linked libexpat in embedded Python.
+
+- bpo-39327: :func:`shutil.rmtree` can now work with VirtualBox shared
+  folders when running from the guest operating-system.
+
+- bpo-46756: Fix a bug in
+  :meth:`urllib.request.HTTPPasswordMgr.find_user_password` and
+  :meth:`urllib.request.HTTPPasswordMgrWithPriorAuth.is_authenticated` which
+  allowed to bypass authorization. For example, access to URI
+  ``example.org/foobar`` was allowed if the user was authorized for URI
+  ``example.org/foo``.
+
+- bpo-46643: In :func:`typing.get_type_hints`, support evaluating
+  stringified ``ParamSpecArgs`` and ``ParamSpecKwargs`` annotations. Patch
+  by Gregory Beauregard.
+
+- bpo-45863: When the :mod:`tarfile` module creates a pax format archive, it
+  will put an integer representation of timestamps in the ustar header (if
+  possible) for the benefit of older unarchivers, in addition to the
+  existing full-precision timestamps in the pax extended header.
+
+- bpo-46676: Make :data:`typing.ParamSpec` args and kwargs equal to
+  themselves. Patch by Gregory Beauregard.
+
+- bpo-46672: Fix ``NameError`` in :func:`asyncio.gather` when initial type
+  check fails.
+
+- bpo-46655: In :func:`typing.get_type_hints`, support evaluating bare
+  stringified ``TypeAlias`` annotations. Patch by Gregory Beauregard.
+
+- bpo-45948: Fixed a discrepancy in the C implementation of the
+  :mod:`xml.etree.ElementTree` module. Now, instantiating an
+  :class:`xml.etree.ElementTree.XMLParser` with a ``target=None`` keyword
+  provides a default :class:`xml.etree.ElementTree.TreeBuilder` target as
+  the Python implementation does.
+
+- bpo-46521: Fix a bug in the :mod:`codeop` module that was incorrectly
+  identifying invalid code involving string quotes as valid code.
+
+- bpo-46581: Brings :class:`ParamSpec` propagation for :class:`GenericAlias`
+  in line with :class:`Concatenate` (and others).
+
+- bpo-46591: Make the IDLE doc URL on the About IDLE dialog clickable.
+
+- bpo-46400: expat: Update libexpat from 2.4.1 to 2.4.4
+
+- bpo-46487: Add the ``get_write_buffer_limits`` method to
+  :class:`asyncio.transports.WriteTransport` and to the SSL transport.
+
+- bpo-45173: Note the configparser deprecations will be removed in Python
+  3.12.
+
+- bpo-46539: In :func:`typing.get_type_hints`, support evaluating
+  stringified ``ClassVar`` and ``Final`` annotations inside ``Annotated``.
+  Patch by Gregory Beauregard.
+
+- bpo-46491: Allow :data:`typing.Annotated` to wrap :data:`typing.Final` and
+  :data:`typing.ClassVar`. Patch by Gregory Beauregard.
+
+- bpo-46436: Fix command-line option ``-d``/``--directory`` in module
+  :mod:`http.server` which is ignored when combined with command-line option
+  ``--cgi``. Patch by Géry Ogam.
+
+- bpo-41403: Make :meth:`mock.patch` raise a :exc:`TypeError` with a
+  relevant error message on invalid arg. Previously it allowed a cryptic
+  :exc:`AttributeError` to escape.
+
+- bpo-46474: In ``importlib.metadata.EntryPoint.pattern``, avoid potential
+  REDoS by limiting ambiguity in consecutive whitespace.
+
+- bpo-46469: :mod:`asyncio` generic classes now return
+  :class:`types.GenericAlias` in ``__class_getitem__`` instead of the same
+  class.
+
+- bpo-46434: :mod:`pdb` now gracefully handles ``help`` when :attr:`__doc__`
+  is missing, for example when run with pregenerated optimized ``.pyc``
+  files.
+
+- bpo-46333: The :meth:`__eq__` and :meth:`__hash__` methods of
+  :class:`typing.ForwardRef` now honor the ``module`` parameter of
+  :class:`typing.ForwardRef`. Forward references from different modules are
+  now differentiated.
+
+- bpo-46246: Add missing ``__slots__`` to
+  ``importlib.metadata.DeprecatedList``. Patch by Arie Bovenberg.
+
+- bpo-46266: Improve day constants in :mod:`calendar`.
+
+  Now all constants (`MONDAY` ... `SUNDAY`) are documented, tested, and
+  added to ``__all__``.
+
+- bpo-46232: The :mod:`ssl` module now handles certificates with bit strings
+  in DN correctly.
+
+- bpo-43118: Fix a bug in :func:`inspect.signature` that was causing it to
+  fail on some subclasses of classes with a ``__text_signature__``
+  referencing module globals. Patch by Weipeng Hong.
+
+- bpo-26552: Fixed case where failing :func:`asyncio.ensure_future` did not
+  close the coroutine. Patch by Kumar Aditya.
+
+- bpo-21987: Fix an issue with :meth:`tarfile.TarFile.getmember` getting a
+  directory name with a trailing slash.
+
+- bpo-20392: Fix inconsistency with uppercase file extensions in
+  :meth:`MimeTypes.guess_type`. Patch by Kumar Aditya.
+
+- bpo-46080: Fix exception in argparse help text generation if a
+  :class:`argparse.BooleanOptionalAction` argument's default is
+  ``argparse.SUPPRESS`` and it has ``help`` specified.  Patch by Felix
+  Fontein.
+
+- bpo-44439: Fix ``.write()`` method of a member file in ``ZipFile``, when
+  the input data is an object that supports the buffer protocol, the file
+  length may be wrong.
+
+- bpo-45703: When a namespace package is imported before another module from
+  the same namespace is created/installed in a different :data:`sys.path`
+  location while the program is running, calling the
+  :func:`importlib.invalidate_caches` function will now also guarantee the
+  new module is noticed.
+
+- bpo-24959: Fix bug where :mod:`unittest` sometimes drops frames from
+  tracebacks of exceptions raised in tests.
+
+- bpo-44791: Fix substitution of :class:`~typing.ParamSpec` in
+  :data:`~typing.Concatenate` with different parameter expressions.
+  Substitution with a list of types returns now a tuple of types.
+  Substitution with ``Concatenate`` returns now a ``Concatenate`` with
+  concatenated lists of arguments.
+
+- bpo-14156: argparse.FileType now supports an argument of '-' in binary
+  mode, returning the .buffer attribute of sys.stdin/sys.stdout as
+  appropriate. Modes including 'x' and 'a' are treated equivalently to 'w'
+  when argument is '-'. Patch contributed by Josh Rosenberg
+
+Documentation
+-------------
+
+- bpo-46463: Fixes :file:`escape4chm.py` script used when building the CHM
+  documentation file
+
+Tests
+-----
+
+- bpo-46913: Fix test_faulthandler.test_sigfpe() if Python is built with
+  undefined behavior sanitizer (UBSAN): disable UBSAN on the
+  faulthandler_sigfpe() function. Patch by Victor Stinner.
+
+- bpo-46708: Prevent default asyncio event loop policy modification warning
+  after ``test_asyncio`` execution.
+
+- bpo-46678: The function ``make_legacy_pyc`` in
+  ``Lib/test/support/import_helper.py`` no longer fails when
+  ``PYTHONPYCACHEPREFIX`` is set to a directory on a different device from
+  where tempfiles are stored.
+
+- bpo-46616: Ensures ``test_importlib.test_windows`` cleans up registry keys
+  after completion.
+
+- bpo-44359: test_ftplib now silently ignores socket errors to prevent
+  logging unhandled threading exceptions. Patch by Victor Stinner.
+
+- bpo-46542: Fix a Python crash in test_lib2to3 when using Python built in
+  debug mode: limit the recursion limit. Patch by Victor Stinner.
+
+- bpo-46576: test_peg_generator now disables compiler optimization when
+  testing compilation of its own C extensions to significantly speed up the
+  testing on non-debug builds of CPython.
+
+- bpo-46542: Fix ``test_json`` tests checking for :exc:`RecursionError`:
+  modify these tests to use ``support.infinite_recursion()``. Patch by
+  Victor Stinner.
+
+- bpo-13886: Skip test_builtin PTY tests on non-ASCII characters if the
+  readline module is loaded. The readline module changes input() behavior,
+  but test_builtin is not intented to test the readline module. Patch by
+  Victor Stinner.
+
+Build
+-----
+
+- bpo-47032: Ensure Windows install builds fail correctly with a non-zero
+  exit code when part of the build fails.
+
+- bpo-47024: Update OpenSSL to 1.1.1n for macOS installers and all Windows
+  builds.
+
+- bpo-38472: Fix GCC detection in setup.py when cross-compiling. The C
+  compiler is now run with LC_ALL=C. Previously, the detection failed with a
+  German locale.
+
+- bpo-46513: :program:`configure` no longer uses ``AC_C_CHAR_UNSIGNED``
+  macro and ``pyconfig.h`` no longer defines reserved symbol
+  ``__CHAR_UNSIGNED__``.
+
+- bpo-45925: Update Windows installer to use SQLite 3.37.2.
+
+Windows
+-------
+
+- bpo-44549: Update bzip2 to 1.0.8 in Windows builds to mitigate
+  CVE-2016-3189 and CVE-2019-12900
+
+- bpo-46948: Prevent CVE-2022-26488 by ensuring the Add to PATH option in
+  the Windows installer uses the correct path when being repaired.
+
+- bpo-46638: Ensures registry virtualization is consistently disabled. For
+  3.10 and earlier, it remains enabled (some registry writes are protected),
+  while for 3.11 and later it is disabled (registry modifications affect all
+  applications).
+
+macOS
+-----
+
+- bpo-45925: Update macOS installer to SQLite 3.37.2.
+
+IDLE
+----
+
+- bpo-46630: Make query dialogs on Windows start with a cursor in the entry
+  box.
+
+- bpo-45296: Clarify close, quit, and exit in IDLE.  In the File menu,
+  'Close' and 'Exit' are now 'Close Window' (the current one) and 'Exit' is
+  now 'Exit IDLE' (by closing all windows).  In Shell, 'quit()' and 'exit()'
+  mean 'close Shell'. If there are no other windows, this also exits IDLE.
+
+- bpo-45447: Apply IDLE syntax highlighting to `.pyi` files. Patch by Alex
+  Waygood and Terry Jan Reedy.
+
+C API
+-----
+
+- bpo-46433: The internal function _PyType_GetModuleByDef now correctly
+  handles inheritance patterns involving static types.
+
+- bpo-14916: Fixed bug in the tokenizer that prevented
+  ``PyRun_InteractiveOne`` from parsing from the provided FD.
+
+
 What's New in Python 3.10.2 final?
 ==================================
 
@@ -2490,7 +2853,8 @@ IDLE
   with prompts'.  This zips together prompts from the sidebar with lines
   from the selected text.
 
-- bpo-43981: Fix reference leak in test_squeezer. Patch by Pablo Galindo
+- bpo-43981: Fix reference leak in test_sidebar and test_squeezer. Patches
+  by Terry Jan Reedy and Pablo Galindo
 
 - bpo-37892: Indent IDLE Shell input with spaces instead of tabs
 
@@ -2886,7 +3250,7 @@ IDLE
 ----
 
 - bpo-42225: Document that IDLE can fail on Unix either from misconfigured
-  IP masquerage rules or failure displaying complex colored (non-ascii)
+  IP masquerade rules or failure displaying complex colored (non-ascii)
   characters.
 
 C API

diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c
index befec9a..392e0e7 100644 (file)
--- a/Modules/_asynciomodule.c
+++ b/Modules/_asynciomodule.c
@@ -1476,13 +1476,6 @@ finally:
     PyErr_Restore(error_type, error_value, error_traceback);
 }
 
-static PyObject *
-future_cls_getitem(PyObject *cls, PyObject *type)
-{
-    Py_INCREF(cls);
-    return cls;
-}
-
 static PyAsyncMethods FutureType_as_async = {
     (unaryfunc)future_new_iter,         /* am_await */
     0,                                  /* am_aiter */
@@ -1503,7 +1496,7 @@ static PyMethodDef FutureType_methods[] = {
     _ASYNCIO_FUTURE_GET_LOOP_METHODDEF
     _ASYNCIO_FUTURE__MAKE_CANCELLED_ERROR_METHODDEF
     _ASYNCIO_FUTURE__REPR_INFO_METHODDEF
-    {"__class_getitem__", future_cls_getitem, METH_O|METH_CLASS, NULL},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL, NULL}        /* Sentinel */
 };
 
@@ -2445,13 +2438,6 @@ done:
     FutureObj_finalize((FutureObj*)task);
 }
 
-static PyObject *
-task_cls_getitem(PyObject *cls, PyObject *type)
-{
-    Py_INCREF(cls);
-    return cls;
-}
-
 static void TaskObj_dealloc(PyObject *);  /* Needs Task_CheckExact */
 
 static PyMethodDef TaskType_methods[] = {
@@ -2471,7 +2457,7 @@ static PyMethodDef TaskType_methods[] = {
     _ASYNCIO_TASK_GET_NAME_METHODDEF
     _ASYNCIO_TASK_SET_NAME_METHODDEF
     _ASYNCIO_TASK_GET_CORO_METHODDEF
-    {"__class_getitem__", task_cls_getitem, METH_O|METH_CLASS, NULL},
+    {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL, NULL}        /* Sentinel */
 };
 

diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index 9dadeef..8637bae 100644 (file)
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -3636,7 +3636,7 @@ ignore_attribute_error(PyObject *value)
 _elementtree.XMLParser.__init__
 
     *
-    target: object = NULL
+    target: object = None
     encoding: str(accept={str, NoneType}) = None
 
 [clinic start generated code]*/
@@ -3644,7 +3644,7 @@ _elementtree.XMLParser.__init__
 static int
 _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target,
                                      const char *encoding)
-/*[clinic end generated code: output=3ae45ec6cdf344e4 input=53e35a829ae043e8]*/
+/*[clinic end generated code: output=3ae45ec6cdf344e4 input=7e716dd6e4f3e439]*/
 {
     self->entity = PyDict_New();
     if (!self->entity)
@@ -3669,7 +3669,7 @@ _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target,
                            (unsigned long)_Py_HashSecret.expat.hashsalt);
     }
 
-    if (target) {
+    if (target != Py_None) {
         Py_INCREF(target);
     } else {
         target = treebuilder_new(&TreeBuilder_Type, NULL, NULL);

diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index cb8460a..65538f6 100644 (file)
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -266,6 +266,7 @@ _setException(PyObject *exc, const char* altmsg, ...)
         } else {
             PyErr_FormatV(exc, altmsg, vargs);
         }
+        va_end(vargs);
         return NULL;
     }
     va_end(vargs);
@@ -883,7 +884,7 @@ py_evp_fromname(PyObject *module, const char *digestname, PyObject *data_obj,
         goto exit;
     }
 
-#if defined(EVP_MD_CTX_FLAG_NON_FIPS_ALLOW) &&  OPENSSL_VERSION_NUMBER >= 0x30000000L
+#if defined(EVP_MD_CTX_FLAG_NON_FIPS_ALLOW) && OPENSSL_VERSION_NUMBER < 0x30000000L
     // In OpenSSL 1.1.1 the non FIPS allowed flag is context specific while
     // in 3.0.0 it is a different EVP_MD provider.
     if (!usedforsecurity) {

diff --git a/Modules/_io/iobase.c b/Modules/_io/iobase.c
index 5b687b7..4c81bef 100644 (file)
--- a/Modules/_io/iobase.c
+++ b/Modules/_io/iobase.c
@@ -34,8 +34,7 @@ typedef struct {
 } iobase;
 
 PyDoc_STRVAR(iobase_doc,
-    "The abstract base class for all I/O classes, acting on streams of\n"
-    "bytes. There is no public constructor.\n"
+    "The abstract base class for all I/O classes.\n"
     "\n"
     "This class provides dummy implementations for many methods that\n"
     "derived classes can override selectively; the default implementations\n"

diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index eb05ae1..e28dbaa 100644 (file)
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -50,7 +50,7 @@ PyDoc_STRVAR(textiobase_doc,
     "\n"
     "This class provides a character and line based interface to stream\n"
     "I/O. There is no readinto method because Python's character strings\n"
-    "are immutable. There is no public constructor.\n"
+    "are immutable.\n"
     );
 
 static PyObject *

diff --git a/Modules/_sqlite/clinic/connection.c.h b/Modules/_sqlite/clinic/connection.c.h
index 22aa8ab..9ddce41 100644 (file)
--- a/Modules/_sqlite/clinic/connection.c.h
+++ b/Modules/_sqlite/clinic/connection.c.h
@@ -97,7 +97,7 @@ PyDoc_STRVAR(pysqlite_connection_create_function__doc__,
 "create_function($self, /, name, narg, func, *, deterministic=False)\n"
 "--\n"
 "\n"
-"Creates a new function. Non-standard.");
+"Creates a new function.");
 
 #define PYSQLITE_CONNECTION_CREATE_FUNCTION_METHODDEF    \
     {"create_function", (PyCFunction)(void(*)(void))pysqlite_connection_create_function, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_create_function__doc__},
@@ -160,7 +160,7 @@ PyDoc_STRVAR(pysqlite_connection_create_aggregate__doc__,
 "create_aggregate($self, /, name, n_arg, aggregate_class)\n"
 "--\n"
 "\n"
-"Creates a new aggregate. Non-standard.");
+"Creates a new aggregate.");
 
 #define PYSQLITE_CONNECTION_CREATE_AGGREGATE_METHODDEF    \
     {"create_aggregate", (PyCFunction)(void(*)(void))pysqlite_connection_create_aggregate, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_create_aggregate__doc__},
@@ -213,7 +213,7 @@ PyDoc_STRVAR(pysqlite_connection_set_authorizer__doc__,
 "set_authorizer($self, /, authorizer_callback)\n"
 "--\n"
 "\n"
-"Sets authorizer callback. Non-standard.");
+"Sets authorizer callback.");
 
 #define PYSQLITE_CONNECTION_SET_AUTHORIZER_METHODDEF    \
     {"set_authorizer", (PyCFunction)(void(*)(void))pysqlite_connection_set_authorizer, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_set_authorizer__doc__},
@@ -246,7 +246,7 @@ PyDoc_STRVAR(pysqlite_connection_set_progress_handler__doc__,
 "set_progress_handler($self, /, progress_handler, n)\n"
 "--\n"
 "\n"
-"Sets progress handler callback. Non-standard.");
+"Sets progress handler callback.");
 
 #define PYSQLITE_CONNECTION_SET_PROGRESS_HANDLER_METHODDEF    \
     {"set_progress_handler", (PyCFunction)(void(*)(void))pysqlite_connection_set_progress_handler, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_set_progress_handler__doc__},
@@ -285,9 +285,7 @@ PyDoc_STRVAR(pysqlite_connection_set_trace_callback__doc__,
 "set_trace_callback($self, /, trace_callback)\n"
 "--\n"
 "\n"
-"Sets a trace callback called for each SQL statement (passed as unicode).\n"
-"\n"
-"Non-standard.");
+"Sets a trace callback called for each SQL statement (passed as unicode).");
 
 #define PYSQLITE_CONNECTION_SET_TRACE_CALLBACK_METHODDEF    \
     {"set_trace_callback", (PyCFunction)(void(*)(void))pysqlite_connection_set_trace_callback, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_set_trace_callback__doc__},
@@ -322,7 +320,7 @@ PyDoc_STRVAR(pysqlite_connection_enable_load_extension__doc__,
 "enable_load_extension($self, enable, /)\n"
 "--\n"
 "\n"
-"Enable dynamic loading of SQLite extension modules. Non-standard.");
+"Enable dynamic loading of SQLite extension modules.");
 
 #define PYSQLITE_CONNECTION_ENABLE_LOAD_EXTENSION_METHODDEF    \
     {"enable_load_extension", (PyCFunction)pysqlite_connection_enable_load_extension, METH_O, pysqlite_connection_enable_load_extension__doc__},
@@ -355,7 +353,7 @@ PyDoc_STRVAR(pysqlite_connection_load_extension__doc__,
 "load_extension($self, name, /)\n"
 "--\n"
 "\n"
-"Load SQLite extension module. Non-standard.");
+"Load SQLite extension module.");
 
 #define PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF    \
     {"load_extension", (PyCFunction)pysqlite_connection_load_extension, METH_O, pysqlite_connection_load_extension__doc__},
@@ -395,7 +393,7 @@ PyDoc_STRVAR(pysqlite_connection_execute__doc__,
 "execute($self, sql, parameters=<unrepresentable>, /)\n"
 "--\n"
 "\n"
-"Executes a SQL statement. Non-standard.");
+"Executes an SQL statement.");
 
 #define PYSQLITE_CONNECTION_EXECUTE_METHODDEF    \
     {"execute", (PyCFunction)(void(*)(void))pysqlite_connection_execute, METH_FASTCALL, pysqlite_connection_execute__doc__},
@@ -437,7 +435,7 @@ PyDoc_STRVAR(pysqlite_connection_executemany__doc__,
 "executemany($self, sql, parameters, /)\n"
 "--\n"
 "\n"
-"Repeatedly executes a SQL statement. Non-standard.");
+"Repeatedly executes an SQL statement.");
 
 #define PYSQLITE_CONNECTION_EXECUTEMANY_METHODDEF    \
     {"executemany", (PyCFunction)(void(*)(void))pysqlite_connection_executemany, METH_FASTCALL, pysqlite_connection_executemany__doc__},
@@ -475,7 +473,7 @@ PyDoc_STRVAR(pysqlite_connection_executescript__doc__,
 "executescript($self, sql_script, /)\n"
 "--\n"
 "\n"
-"Executes multiple SQL statements at once. Non-standard.");
+"Executes multiple SQL statements at once.");
 
 #define PYSQLITE_CONNECTION_EXECUTESCRIPT_METHODDEF    \
     {"executescript", (PyCFunction)pysqlite_connection_executescript, METH_O, pysqlite_connection_executescript__doc__},
@@ -484,7 +482,7 @@ PyDoc_STRVAR(pysqlite_connection_interrupt__doc__,
 "interrupt($self, /)\n"
 "--\n"
 "\n"
-"Abort any pending database operation. Non-standard.");
+"Abort any pending database operation.");
 
 #define PYSQLITE_CONNECTION_INTERRUPT_METHODDEF    \
     {"interrupt", (PyCFunction)pysqlite_connection_interrupt, METH_NOARGS, pysqlite_connection_interrupt__doc__},
@@ -502,9 +500,7 @@ PyDoc_STRVAR(pysqlite_connection_iterdump__doc__,
 "iterdump($self, /)\n"
 "--\n"
 "\n"
-"Returns iterator to the dump of the database in an SQL text format.\n"
-"\n"
-"Non-standard.");
+"Returns iterator to the dump of the database in an SQL text format.");
 
 #define PYSQLITE_CONNECTION_ITERDUMP_METHODDEF    \
     {"iterdump", (PyCFunction)pysqlite_connection_iterdump, METH_NOARGS, pysqlite_connection_iterdump__doc__},
@@ -523,7 +519,7 @@ PyDoc_STRVAR(pysqlite_connection_backup__doc__,
 "       sleep=0.25)\n"
 "--\n"
 "\n"
-"Makes a backup of the database. Non-standard.");
+"Makes a backup of the database.");
 
 #define PYSQLITE_CONNECTION_BACKUP_METHODDEF    \
     {"backup", (PyCFunction)(void(*)(void))pysqlite_connection_backup, METH_FASTCALL|METH_KEYWORDS, pysqlite_connection_backup__doc__},
@@ -614,7 +610,7 @@ PyDoc_STRVAR(pysqlite_connection_create_collation__doc__,
 "create_collation($self, name, callback, /)\n"
 "--\n"
 "\n"
-"Creates a collation function. Non-standard.");
+"Creates a collation function.");
 
 #define PYSQLITE_CONNECTION_CREATE_COLLATION_METHODDEF    \
     {"create_collation", (PyCFunction)(void(*)(void))pysqlite_connection_create_collation, METH_FASTCALL, pysqlite_connection_create_collation__doc__},
@@ -710,4 +706,4 @@ exit:
 #ifndef PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF
     #define PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF
 #endif /* !defined(PYSQLITE_CONNECTION_LOAD_EXTENSION_METHODDEF) */
-/*[clinic end generated code: output=6c40101de3ae46fc input=a9049054013a1b77]*/
+/*[clinic end generated code: output=2f3f3406ba6b4d2e input=a9049054013a1b77]*/

diff --git a/Modules/_sqlite/clinic/cursor.c.h b/Modules/_sqlite/clinic/cursor.c.h
index 7e0745f..c6e35a2 100644 (file)
--- a/Modules/_sqlite/clinic/cursor.c.h
+++ b/Modules/_sqlite/clinic/cursor.c.h
@@ -34,7 +34,7 @@ PyDoc_STRVAR(pysqlite_cursor_execute__doc__,
 "execute($self, sql, parameters=(), /)\n"
 "--\n"
 "\n"
-"Executes a SQL statement.");
+"Executes an SQL statement.");
 
 #define PYSQLITE_CURSOR_EXECUTE_METHODDEF    \
     {"execute", (PyCFunction)(void(*)(void))pysqlite_cursor_execute, METH_FASTCALL, pysqlite_cursor_execute__doc__},
@@ -76,7 +76,7 @@ PyDoc_STRVAR(pysqlite_cursor_executemany__doc__,
 "executemany($self, sql, seq_of_parameters, /)\n"
 "--\n"
 "\n"
-"Repeatedly executes a SQL statement.");
+"Repeatedly executes an SQL statement.");
 
 #define PYSQLITE_CURSOR_EXECUTEMANY_METHODDEF    \
     {"executemany", (PyCFunction)(void(*)(void))pysqlite_cursor_executemany, METH_FASTCALL, pysqlite_cursor_executemany__doc__},
@@ -114,7 +114,7 @@ PyDoc_STRVAR(pysqlite_cursor_executescript__doc__,
 "executescript($self, sql_script, /)\n"
 "--\n"
 "\n"
-"Executes multiple SQL statements at once. Non-standard.");
+"Executes multiple SQL statements at once.");
 
 #define PYSQLITE_CURSOR_EXECUTESCRIPT_METHODDEF    \
     {"executescript", (PyCFunction)pysqlite_cursor_executescript, METH_O, pysqlite_cursor_executescript__doc__},
@@ -202,7 +202,7 @@ PyDoc_STRVAR(pysqlite_cursor_setinputsizes__doc__,
 "setinputsizes($self, sizes, /)\n"
 "--\n"
 "\n"
-"Required by DB-API. Does nothing in pysqlite.");
+"Required by DB-API. Does nothing in sqlite3.");
 
 #define PYSQLITE_CURSOR_SETINPUTSIZES_METHODDEF    \
     {"setinputsizes", (PyCFunction)pysqlite_cursor_setinputsizes, METH_O, pysqlite_cursor_setinputsizes__doc__},
@@ -211,7 +211,7 @@ PyDoc_STRVAR(pysqlite_cursor_setoutputsize__doc__,
 "setoutputsize($self, size, column=None, /)\n"
 "--\n"
 "\n"
-"Required by DB-API. Does nothing in pysqlite.");
+"Required by DB-API. Does nothing in sqlite3.");
 
 #define PYSQLITE_CURSOR_SETOUTPUTSIZE_METHODDEF    \
     {"setoutputsize", (PyCFunction)(void(*)(void))pysqlite_cursor_setoutputsize, METH_FASTCALL, pysqlite_cursor_setoutputsize__doc__},
@@ -259,4 +259,4 @@ pysqlite_cursor_close(pysqlite_Cursor *self, PyObject *Py_UNUSED(ignored))
 {
     return pysqlite_cursor_close_impl(self);
 }
-/*[clinic end generated code: output=c319842c7e7e4c51 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=9879e3a5d4ee3847 input=a9049054013a1b77]*/

diff --git a/Modules/_sqlite/clinic/module.c.h b/Modules/_sqlite/clinic/module.c.h
index fb1e118..2118cb7 100644 (file)
--- a/Modules/_sqlite/clinic/module.c.h
+++ b/Modules/_sqlite/clinic/module.c.h
@@ -6,7 +6,7 @@ PyDoc_STRVAR(pysqlite_complete_statement__doc__,
 "complete_statement($module, /, statement)\n"
 "--\n"
 "\n"
-"Checks if a string contains a complete SQL statement. Non-standard.");
+"Checks if a string contains a complete SQL statement.");
 
 #define PYSQLITE_COMPLETE_STATEMENT_METHODDEF    \
     {"complete_statement", (PyCFunction)(void(*)(void))pysqlite_complete_statement, METH_FASTCALL|METH_KEYWORDS, pysqlite_complete_statement__doc__},
@@ -52,7 +52,10 @@ PyDoc_STRVAR(pysqlite_enable_shared_cache__doc__,
 "\n"
 "Enable or disable shared cache mode for the calling thread.\n"
 "\n"
-"Experimental/Non-standard.");
+"This method is deprecated and will be removed in Python 3.12.\n"
+"Shared cache is strongly discouraged by the SQLite 3 documentation.\n"
+"If shared cache must be used, open the database in URI mode using\n"
+"the cache=shared query parameter.");
 
 #define PYSQLITE_ENABLE_SHARED_CACHE_METHODDEF    \
     {"enable_shared_cache", (PyCFunction)(void(*)(void))pysqlite_enable_shared_cache, METH_FASTCALL|METH_KEYWORDS, pysqlite_enable_shared_cache__doc__},
@@ -87,7 +90,7 @@ PyDoc_STRVAR(pysqlite_register_adapter__doc__,
 "register_adapter($module, type, caster, /)\n"
 "--\n"
 "\n"
-"Registers an adapter with pysqlite\'s adapter registry. Non-standard.");
+"Registers an adapter with sqlite3\'s adapter registry.");
 
 #define PYSQLITE_REGISTER_ADAPTER_METHODDEF    \
     {"register_adapter", (PyCFunction)(void(*)(void))pysqlite_register_adapter, METH_FASTCALL, pysqlite_register_adapter__doc__},
@@ -118,7 +121,7 @@ PyDoc_STRVAR(pysqlite_register_converter__doc__,
 "register_converter($module, name, converter, /)\n"
 "--\n"
 "\n"
-"Registers a converter with pysqlite. Non-standard.");
+"Registers a converter with sqlite3.");
 
 #define PYSQLITE_REGISTER_CONVERTER_METHODDEF    \
     {"register_converter", (PyCFunction)(void(*)(void))pysqlite_register_converter, METH_FASTCALL, pysqlite_register_converter__doc__},
@@ -184,7 +187,7 @@ PyDoc_STRVAR(pysqlite_adapt__doc__,
 "adapt($module, obj, proto=PrepareProtocolType, alt=<unrepresentable>, /)\n"
 "--\n"
 "\n"
-"Adapt given object to given protocol. Non-standard.");
+"Adapt given object to given protocol.");
 
 #define PYSQLITE_ADAPT_METHODDEF    \
     {"adapt", (PyCFunction)(void(*)(void))pysqlite_adapt, METH_FASTCALL, pysqlite_adapt__doc__},
@@ -219,4 +222,4 @@ skip_optional:
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=d87990f941c209fa input=a9049054013a1b77]*/
+/*[clinic end generated code: output=6939849a4371122d input=a9049054013a1b77]*/

diff --git a/Modules/_sqlite/connection.c b/Modules/_sqlite/connection.c
index 6461039..c9c10b4 100644 (file)
--- a/Modules/_sqlite/connection.c
+++ b/Modules/_sqlite/connection.c
@@ -552,7 +552,11 @@ _pysqlite_set_result(sqlite3_context* context, PyObject* py_val)
             return -1;
         sqlite3_result_int64(context, value);
     } else if (PyFloat_Check(py_val)) {
-        sqlite3_result_double(context, PyFloat_AsDouble(py_val));
+        double value = PyFloat_AsDouble(py_val);
+        if (value == -1 && PyErr_Occurred()) {
+            return -1;
+        }
+        sqlite3_result_double(context, value);
     } else if (PyUnicode_Check(py_val)) {
         Py_ssize_t sz;
         const char *str = PyUnicode_AsUTF8AndSize(py_val, &sz);
@@ -886,14 +890,14 @@ _sqlite3.Connection.create_function as pysqlite_connection_create_function
     *
     deterministic: bool = False
 
-Creates a new function. Non-standard.
+Creates a new function.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_create_function_impl(pysqlite_Connection *self,
                                          const char *name, int narg,
                                          PyObject *func, int deterministic)
-/*[clinic end generated code: output=07d1877dd98c0308 input=f2edcf073e815beb]*/
+/*[clinic end generated code: output=07d1877dd98c0308 input=17e16b285ee44819]*/
 {
     int rc;
     int flags = SQLITE_UTF8;
@@ -941,14 +945,14 @@ _sqlite3.Connection.create_aggregate as pysqlite_connection_create_aggregate
     n_arg: int
     aggregate_class: object
 
-Creates a new aggregate. Non-standard.
+Creates a new aggregate.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_create_aggregate_impl(pysqlite_Connection *self,
                                           const char *name, int n_arg,
                                           PyObject *aggregate_class)
-/*[clinic end generated code: output=fbb2f858cfa4d8db input=c2e13bbf234500a5]*/
+/*[clinic end generated code: output=fbb2f858cfa4d8db input=a17afd1fcc930ecf]*/
 {
     int rc;
 
@@ -1091,13 +1095,13 @@ _sqlite3.Connection.set_authorizer as pysqlite_connection_set_authorizer
 
     authorizer_callback as authorizer_cb: object
 
-Sets authorizer callback. Non-standard.
+Sets authorizer callback.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_set_authorizer_impl(pysqlite_Connection *self,
                                         PyObject *authorizer_cb)
-/*[clinic end generated code: output=f18ba575d788b35c input=df079724c020d2f2]*/
+/*[clinic end generated code: output=f18ba575d788b35c input=446676a87c949d68]*/
 {
     int rc;
 
@@ -1123,14 +1127,14 @@ _sqlite3.Connection.set_progress_handler as pysqlite_connection_set_progress_han
     progress_handler: object
     n: int
 
-Sets progress handler callback. Non-standard.
+Sets progress handler callback.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_set_progress_handler_impl(pysqlite_Connection *self,
                                               PyObject *progress_handler,
                                               int n)
-/*[clinic end generated code: output=35a7c10364cb1b04 input=857696c25f964c64]*/
+/*[clinic end generated code: output=35a7c10364cb1b04 input=d9379b629c7391c7]*/
 {
     if (!pysqlite_check_thread(self) || !pysqlite_check_connection(self)) {
         return NULL;
@@ -1154,14 +1158,12 @@ _sqlite3.Connection.set_trace_callback as pysqlite_connection_set_trace_callback
     trace_callback: object
 
 Sets a trace callback called for each SQL statement (passed as unicode).
-
-Non-standard.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_set_trace_callback_impl(pysqlite_Connection *self,
                                             PyObject *trace_callback)
-/*[clinic end generated code: output=fb0e307b9924d454 input=56d60fd38d763679]*/
+/*[clinic end generated code: output=fb0e307b9924d454 input=885e460ebbf79f0c]*/
 {
     if (!pysqlite_check_thread(self) || !pysqlite_check_connection(self)) {
         return NULL;
@@ -1201,13 +1203,13 @@ _sqlite3.Connection.enable_load_extension as pysqlite_connection_enable_load_ext
     enable as onoff: bool(accept={int})
     /
 
-Enable dynamic loading of SQLite extension modules. Non-standard.
+Enable dynamic loading of SQLite extension modules.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_enable_load_extension_impl(pysqlite_Connection *self,
                                                int onoff)
-/*[clinic end generated code: output=9cac37190d388baf input=5c0da5b121121cbc]*/
+/*[clinic end generated code: output=9cac37190d388baf input=5f00e93f7a9d3540]*/
 {
     int rc;
 
@@ -1236,13 +1238,13 @@ _sqlite3.Connection.load_extension as pysqlite_connection_load_extension
     name as extension_name: str
     /
 
-Load SQLite extension module. Non-standard.
+Load SQLite extension module.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_load_extension_impl(pysqlite_Connection *self,
                                         const char *extension_name)
-/*[clinic end generated code: output=47eb1d7312bc97a7 input=0b711574560db9fc]*/
+/*[clinic end generated code: output=47eb1d7312bc97a7 input=edd507389d89d621]*/
 {
     int rc;
     char* errmsg;
@@ -1413,13 +1415,13 @@ _sqlite3.Connection.execute as pysqlite_connection_execute
     parameters: object = NULL
     /
 
-Executes a SQL statement. Non-standard.
+Executes an SQL statement.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_execute_impl(pysqlite_Connection *self, PyObject *sql,
                                  PyObject *parameters)
-/*[clinic end generated code: output=5be05ae01ee17ee4 input=fbd17c75c7140271]*/
+/*[clinic end generated code: output=5be05ae01ee17ee4 input=27aa7792681ddba2]*/
 {
     _Py_IDENTIFIER(execute);
     PyObject* cursor = 0;
@@ -1448,13 +1450,13 @@ _sqlite3.Connection.executemany as pysqlite_connection_executemany
     parameters: object
     /
 
-Repeatedly executes a SQL statement. Non-standard.
+Repeatedly executes an SQL statement.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_executemany_impl(pysqlite_Connection *self,
                                      PyObject *sql, PyObject *parameters)
-/*[clinic end generated code: output=776cd2fd20bfe71f input=4feab80659ffc82b]*/
+/*[clinic end generated code: output=776cd2fd20bfe71f input=495be76551d525db]*/
 {
     _Py_IDENTIFIER(executemany);
     PyObject* cursor = 0;
@@ -1483,13 +1485,13 @@ _sqlite3.Connection.executescript as pysqlite_connection_executescript
     sql_script as script_obj: object
     /
 
-Executes multiple SQL statements at once. Non-standard.
+Executes multiple SQL statements at once.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_executescript(pysqlite_Connection *self,
                                   PyObject *script_obj)
-/*[clinic end generated code: output=4c4f9d77aa0ae37d input=b27ae5c24ffb8b43]*/
+/*[clinic end generated code: output=4c4f9d77aa0ae37d input=f6e5f1ccfa313db4]*/
 {
     _Py_IDENTIFIER(executescript);
     PyObject* cursor = 0;
@@ -1570,12 +1572,12 @@ finally:
 /*[clinic input]
 _sqlite3.Connection.interrupt as pysqlite_connection_interrupt
 
-Abort any pending database operation. Non-standard.
+Abort any pending database operation.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_interrupt_impl(pysqlite_Connection *self)
-/*[clinic end generated code: output=f193204bc9e70b47 input=4bd0ad083cf93aa7]*/
+/*[clinic end generated code: output=f193204bc9e70b47 input=75ad03ade7012859]*/
 {
     PyObject* retval = NULL;
 
@@ -1599,13 +1601,11 @@ finally:
 _sqlite3.Connection.iterdump as pysqlite_connection_iterdump
 
 Returns iterator to the dump of the database in an SQL text format.
-
-Non-standard.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_iterdump_impl(pysqlite_Connection *self)
-/*[clinic end generated code: output=586997aaf9808768 input=53bc907cb5eedb85]*/
+/*[clinic end generated code: output=586997aaf9808768 input=1911ca756066da89]*/
 {
     _Py_IDENTIFIER(_iterdump);
     PyObject* retval = NULL;
@@ -1653,7 +1653,7 @@ _sqlite3.Connection.backup as pysqlite_connection_backup
     name: str = "main"
     sleep: double = 0.250
 
-Makes a backup of the database. Non-standard.
+Makes a backup of the database.
 [clinic start generated code]*/
 
 static PyObject *
@@ -1661,7 +1661,7 @@ pysqlite_connection_backup_impl(pysqlite_Connection *self,
                                 pysqlite_Connection *target, int pages,
                                 PyObject *progress, const char *name,
                                 double sleep)
-/*[clinic end generated code: output=306a3e6a38c36334 input=30ae45fc420bfd3b]*/
+/*[clinic end generated code: output=306a3e6a38c36334 input=458a0b6997c4960b]*/
 {
     int rc;
     int sleep_ms = (int)(sleep * 1000.0);
@@ -1758,13 +1758,13 @@ _sqlite3.Connection.create_collation as pysqlite_connection_create_collation
     callback as callable: object
     /
 
-Creates a collation function. Non-standard.
+Creates a collation function.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_connection_create_collation_impl(pysqlite_Connection *self,
                                           PyObject *name, PyObject *callable)
-/*[clinic end generated code: output=0f63b8995565ae22 input=5c3898813a776cf2]*/
+/*[clinic end generated code: output=0f63b8995565ae22 input=eb2c4328dc493ee8]*/
 {
     PyObject* uppercase_name = 0;
     Py_ssize_t i, len;

diff --git a/Modules/_sqlite/cursor.c b/Modules/_sqlite/cursor.c
index 36f6386..85267cc 100644 (file)
--- a/Modules/_sqlite/cursor.c
+++ b/Modules/_sqlite/cursor.c
@@ -650,13 +650,13 @@ _sqlite3.Cursor.execute as pysqlite_cursor_execute
     parameters: object(c_default = 'NULL') = ()
     /
 
-Executes a SQL statement.
+Executes an SQL statement.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_cursor_execute_impl(pysqlite_Cursor *self, PyObject *sql,
                              PyObject *parameters)
-/*[clinic end generated code: output=d81b4655c7c0bbad input=91d7bb36f127f597]*/
+/*[clinic end generated code: output=d81b4655c7c0bbad input=a8e0200a11627f94]*/
 {
     return _pysqlite_query_execute(self, 0, sql, parameters);
 }
@@ -668,13 +668,13 @@ _sqlite3.Cursor.executemany as pysqlite_cursor_executemany
     seq_of_parameters: object
     /
 
-Repeatedly executes a SQL statement.
+Repeatedly executes an SQL statement.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_cursor_executemany_impl(pysqlite_Cursor *self, PyObject *sql,
                                  PyObject *seq_of_parameters)
-/*[clinic end generated code: output=2c65a3c4733fb5d8 input=440707b7af87fba8]*/
+/*[clinic end generated code: output=2c65a3c4733fb5d8 input=0d0a52e5eb7ccd35]*/
 {
     return _pysqlite_query_execute(self, 1, sql, seq_of_parameters);
 }
@@ -685,12 +685,12 @@ _sqlite3.Cursor.executescript as pysqlite_cursor_executescript
     sql_script as script_obj: object
     /
 
-Executes multiple SQL statements at once. Non-standard.
+Executes multiple SQL statements at once.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_cursor_executescript(pysqlite_Cursor *self, PyObject *script_obj)
-/*[clinic end generated code: output=115a8132b0f200fe input=ba3ec59df205e362]*/
+/*[clinic end generated code: output=115a8132b0f200fe input=75270e5bcdb4d6aa]*/
 {
     _Py_IDENTIFIER(commit);
     const char* script_cstr;
@@ -935,12 +935,12 @@ _sqlite3.Cursor.setinputsizes as pysqlite_cursor_setinputsizes
     sizes: object
     /
 
-Required by DB-API. Does nothing in pysqlite.
+Required by DB-API. Does nothing in sqlite3.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_cursor_setinputsizes(pysqlite_Cursor *self, PyObject *sizes)
-/*[clinic end generated code: output=893c817afe9d08ad input=7cffbb168663bc69]*/
+/*[clinic end generated code: output=893c817afe9d08ad input=de7950a3aec79bdf]*/
 {
     Py_RETURN_NONE;
 }
@@ -952,13 +952,13 @@ _sqlite3.Cursor.setoutputsize as pysqlite_cursor_setoutputsize
     column: object = None
     /
 
-Required by DB-API. Does nothing in pysqlite.
+Required by DB-API. Does nothing in sqlite3.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_cursor_setoutputsize_impl(pysqlite_Cursor *self, PyObject *size,
                                    PyObject *column)
-/*[clinic end generated code: output=018d7e9129d45efe input=077b017da58b9389]*/
+/*[clinic end generated code: output=018d7e9129d45efe input=607a6bece8bbb273]*/
 {
     Py_RETURN_NONE;
 }

diff --git a/Modules/_sqlite/module.c b/Modules/_sqlite/module.c
index ba70a6c..8cff4e2 100644 (file)
--- a/Modules/_sqlite/module.c
+++ b/Modules/_sqlite/module.c
@@ -105,12 +105,12 @@ _sqlite3.complete_statement as pysqlite_complete_statement
 
     statement: str
 
-Checks if a string contains a complete SQL statement. Non-standard.
+Checks if a string contains a complete SQL statement.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_complete_statement_impl(PyObject *module, const char *statement)
-/*[clinic end generated code: output=e55f1ff1952df558 input=f6b24996b31c5c33]*/
+/*[clinic end generated code: output=e55f1ff1952df558 input=ac45d257375bb828]*/
 {
     if (sqlite3_complete(statement)) {
         return Py_NewRef(Py_True);
@@ -126,12 +126,15 @@ _sqlite3.enable_shared_cache as pysqlite_enable_shared_cache
 
 Enable or disable shared cache mode for the calling thread.
 
-Experimental/Non-standard.
+This method is deprecated and will be removed in Python 3.12.
+Shared cache is strongly discouraged by the SQLite 3 documentation.
+If shared cache must be used, open the database in URI mode using
+the cache=shared query parameter.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_enable_shared_cache_impl(PyObject *module, int do_enable)
-/*[clinic end generated code: output=259c74eedee1516b input=8400e41bc58b6b24]*/
+/*[clinic end generated code: output=259c74eedee1516b input=26e40d5971d3487d]*/
 {
     int rc;
 
@@ -152,13 +155,13 @@ _sqlite3.register_adapter as pysqlite_register_adapter
     caster: object
     /
 
-Registers an adapter with pysqlite's adapter registry. Non-standard.
+Registers an adapter with sqlite3's adapter registry.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_register_adapter_impl(PyObject *module, PyTypeObject *type,
                                PyObject *caster)
-/*[clinic end generated code: output=a287e8db18e8af23 input=839dad90e2492725]*/
+/*[clinic end generated code: output=a287e8db18e8af23 input=b4bd87afcadc535d]*/
 {
     int rc;
 
@@ -183,13 +186,13 @@ _sqlite3.register_converter as pysqlite_register_converter
     converter as callable: object
     /
 
-Registers a converter with pysqlite. Non-standard.
+Registers a converter with sqlite3.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_register_converter_impl(PyObject *module, PyObject *orig_name,
                                  PyObject *callable)
-/*[clinic end generated code: output=a2f2bfeed7230062 input=e074cf7f4890544f]*/
+/*[clinic end generated code: output=a2f2bfeed7230062 input=90f645419425d6c4]*/
 {
     PyObject* name = NULL;
     PyObject* retval = NULL;
@@ -237,13 +240,13 @@ _sqlite3.adapt as pysqlite_adapt
     alt: object = NULL
     /
 
-Adapt given object to given protocol. Non-standard.
+Adapt given object to given protocol.
 [clinic start generated code]*/
 
 static PyObject *
 pysqlite_adapt_impl(PyObject *module, PyObject *obj, PyObject *proto,
                     PyObject *alt)
-/*[clinic end generated code: output=0c3927c5fcd23dd9 input=a58ab77fb5ae22dd]*/
+/*[clinic end generated code: output=0c3927c5fcd23dd9 input=46ca9564710ba48a]*/
 {
     return pysqlite_microprotocols_adapt(obj, proto, alt);
 }

diff --git a/Modules/_sqlite/statement.c b/Modules/_sqlite/statement.c
index c875eb0..3bc8642 100644 (file)
--- a/Modules/_sqlite/statement.c
+++ b/Modules/_sqlite/statement.c
@@ -172,9 +172,16 @@ int pysqlite_statement_bind_parameter(pysqlite_Statement* self, int pos, PyObjec
                 rc = sqlite3_bind_int64(self->st, pos, value);
             break;
         }
-        case TYPE_FLOAT:
-            rc = sqlite3_bind_double(self->st, pos, PyFloat_AsDouble(parameter));
+        case TYPE_FLOAT: {
+            double value = PyFloat_AsDouble(parameter);
+            if (value == -1 && PyErr_Occurred()) {
+                rc = -1;
+            }
+            else {
+                rc = sqlite3_bind_double(self->st, pos, value);
+            }
             break;
+        }
         case TYPE_UNICODE:
             string = PyUnicode_AsUTF8AndSize(parameter, &buflen);
             if (string == NULL)

diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 6c63301..af25204 100644 (file)
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1053,17 +1053,29 @@ _create_tuple_for_attribute(_sslmodulestate *state,
                             ASN1_OBJECT *name, ASN1_STRING *value)
 {
     Py_ssize_t buflen;
-    unsigned char *valuebuf = NULL;
-    PyObject *attr;
+    PyObject *pyattr;
+    PyObject *pyname = _asn1obj2py(state, name, 0);
 
-    buflen = ASN1_STRING_to_UTF8(&valuebuf, value);
-    if (buflen < 0) {
+    if (pyname == NULL) {
         _setSSLError(state, NULL, 0, __FILE__, __LINE__);
         return NULL;
     }
-    attr = Py_BuildValue("Ns#", _asn1obj2py(state, name, 0), valuebuf, buflen);
-    OPENSSL_free(valuebuf);
-    return attr;
+
+    if (ASN1_STRING_type(value) == V_ASN1_BIT_STRING) {
+        buflen = ASN1_STRING_length(value);
+        pyattr = Py_BuildValue("Ny#", pyname, ASN1_STRING_get0_data(value), buflen);
+    } else {
+        unsigned char *valuebuf = NULL;
+        buflen = ASN1_STRING_to_UTF8(&valuebuf, value);
+        if (buflen < 0) {
+            _setSSLError(state, NULL, 0, __FILE__, __LINE__);
+            Py_DECREF(pyname);
+            return NULL;
+        }
+        pyattr = Py_BuildValue("Ns#", pyname, valuebuf, buflen);
+        OPENSSL_free(valuebuf);
+    }
+    return pyattr;
 }
 
 static PyObject *

diff --git a/Modules/_testmultiphase.c b/Modules/_testmultiphase.c
index e0ed77d..58282ce 100644 (file)
--- a/Modules/_testmultiphase.c
+++ b/Modules/_testmultiphase.c
@@ -122,6 +122,8 @@ static PyType_Spec Example_Type_spec = {
 
 
 static PyModuleDef def_meth_state_access;
+static PyModuleDef def_nonmodule;
+static PyModuleDef def_nonmodule_with_methods;
 
 /*[clinic input]
 _testmultiphase.StateAccessType.get_defining_module
@@ -150,6 +152,24 @@ _testmultiphase_StateAccessType_get_defining_module_impl(StateAccessTypeObject *
 }
 
 /*[clinic input]
+_testmultiphase.StateAccessType.getmodulebydef_bad_def
+
+    cls: defining_class
+
+Test that result of _PyType_GetModuleByDef with a bad def is NULL.
+[clinic start generated code]*/
+
+static PyObject *
+_testmultiphase_StateAccessType_getmodulebydef_bad_def_impl(StateAccessTypeObject *self,
+                                                            PyTypeObject *cls)
+/*[clinic end generated code: output=64509074dfcdbd31 input=906047715ee293cd]*/
+{
+    _PyType_GetModuleByDef(Py_TYPE(self), &def_nonmodule);  // should raise
+    assert(PyErr_Occurred());
+    return NULL;
+}
+
+/*[clinic input]
 _testmultiphase.StateAccessType.increment_count_clinic
 
     cls: defining_class
@@ -245,6 +265,7 @@ _testmultiphase_StateAccessType_get_count_impl(StateAccessTypeObject *self,
 
 static PyMethodDef StateAccessType_methods[] = {
     _TESTMULTIPHASE_STATEACCESSTYPE_GET_DEFINING_MODULE_METHODDEF
+    _TESTMULTIPHASE_STATEACCESSTYPE_GETMODULEBYDEF_BAD_DEF_METHODDEF
     _TESTMULTIPHASE_STATEACCESSTYPE_GET_COUNT_METHODDEF
     _TESTMULTIPHASE_STATEACCESSTYPE_INCREMENT_COUNT_CLINIC_METHODDEF
     {
@@ -433,9 +454,6 @@ PyInit__testmultiphase(PyObject *spec)
 
 /**** Importing a non-module object ****/
 
-static PyModuleDef def_nonmodule;
-static PyModuleDef def_nonmodule_with_methods;
-
 /* Create a SimpleNamespace(three=3) */
 static PyObject*
 createfunc_nonmodule(PyObject *spec, PyModuleDef *def)

diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index 90498fb..ba0eb73 100644 (file)
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -1241,6 +1241,9 @@ tracemalloc_copy_domain(_Py_hashtable_t *domains,
     _Py_hashtable_t *traces = (_Py_hashtable_t *)value;
 
     _Py_hashtable_t *traces2 = tracemalloc_copy_traces(traces);
+    if (traces2 == NULL) {
+        return -1;
+    }
     if (_Py_hashtable_set(domains2, TO_PTR(domain), traces2) < 0) {
         _Py_hashtable_destroy(traces2);
         return -1;

diff --git a/Modules/_zoneinfo.c b/Modules/_zoneinfo.c
index 04fa094..0388d27 100644 (file)
--- a/Modules/_zoneinfo.c
+++ b/Modules/_zoneinfo.c
@@ -2608,7 +2608,7 @@ static PyTypeObject PyZoneInfo_ZoneInfoType = {
 // Specify the _zoneinfo module
 static PyMethodDef module_methods[] = {{NULL, NULL}};
 static void
-module_free(void)
+module_free(void *m)
 {
     Py_XDECREF(_tzpath_find_tzfile);
     _tzpath_find_tzfile = NULL;

diff --git a/Modules/audioop.c b/Modules/audioop.c
index 3aeb6f0..2a5d805 100644 (file)
--- a/Modules/audioop.c
+++ b/Modules/audioop.c
@@ -5,13 +5,6 @@
 
 #include "Python.h"
 
-#if defined(__CHAR_UNSIGNED__)
-#if defined(signed)
-/* This module currently does not work on systems where only unsigned
-   characters are available.  Take it out of Setup.  Sorry. */
-#endif
-#endif
-
 static const int maxvals[] = {0, 0x7F, 0x7FFF, 0x7FFFFF, 0x7FFFFFFF};
 /* -1 trick is needed on Windows to support -0x80000000 without a warning */
 static const int minvals[] = {0, -0x80, -0x8000, -0x800000, -0x7FFFFFFF-1};

diff --git a/Modules/clinic/_elementtree.c.h b/Modules/clinic/_elementtree.c.h
index 2c9ba47..5ed5a6c 100644 (file)
--- a/Modules/clinic/_elementtree.c.h
+++ b/Modules/clinic/_elementtree.c.h
@@ -807,7 +807,7 @@ _elementtree_XMLParser___init__(PyObject *self, PyObject *args, PyObject *kwargs
     PyObject * const *fastargs;
     Py_ssize_t nargs = PyTuple_GET_SIZE(args);
     Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
-    PyObject *target = NULL;
+    PyObject *target = Py_None;
     const char *encoding = NULL;
 
     fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 0, 0, argsbuf);
@@ -915,4 +915,4 @@ skip_optional:
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=1385b5e5688f3614 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=992733cfc7390590 input=a9049054013a1b77]*/

diff --git a/Modules/clinic/_testmultiphase.c.h b/Modules/clinic/_testmultiphase.c.h
index 55f934b..17c28d5 100644 (file)
--- a/Modules/clinic/_testmultiphase.c.h
+++ b/Modules/clinic/_testmultiphase.c.h
@@ -35,6 +35,36 @@ exit:
     return return_value;
 }
 
+PyDoc_STRVAR(_testmultiphase_StateAccessType_getmodulebydef_bad_def__doc__,
+"getmodulebydef_bad_def($self, /)\n"
+"--\n"
+"\n"
+"Test that result of _PyType_GetModuleByDef with a bad def is NULL.");
+
+#define _TESTMULTIPHASE_STATEACCESSTYPE_GETMODULEBYDEF_BAD_DEF_METHODDEF    \
+    {"getmodulebydef_bad_def", (PyCFunction)(void(*)(void))_testmultiphase_StateAccessType_getmodulebydef_bad_def, METH_METHOD|METH_FASTCALL|METH_KEYWORDS, _testmultiphase_StateAccessType_getmodulebydef_bad_def__doc__},
+
+static PyObject *
+_testmultiphase_StateAccessType_getmodulebydef_bad_def_impl(StateAccessTypeObject *self,
+                                                            PyTypeObject *cls);
+
+static PyObject *
+_testmultiphase_StateAccessType_getmodulebydef_bad_def(StateAccessTypeObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    static const char * const _keywords[] = { NULL};
+    static _PyArg_Parser _parser = {":getmodulebydef_bad_def", _keywords, 0};
+
+    if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser
+        )) {
+        goto exit;
+    }
+    return_value = _testmultiphase_StateAccessType_getmodulebydef_bad_def_impl(self, cls);
+
+exit:
+    return return_value;
+}
+
 PyDoc_STRVAR(_testmultiphase_StateAccessType_increment_count_clinic__doc__,
 "increment_count_clinic($self, /, n=1, *, twice=False)\n"
 "--\n"
@@ -101,4 +131,4 @@ _testmultiphase_StateAccessType_get_count(StateAccessTypeObject *self, PyTypeObj
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=f01137bb3b373e14 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=eb1b8c2ee6290be3 input=a9049054013a1b77]*/

diff --git a/Modules/clinic/itertoolsmodule.c.h b/Modules/clinic/itertoolsmodule.c.h
index 82729ee..d3f5422 100644 (file)
--- a/Modules/clinic/itertoolsmodule.c.h
+++ b/Modules/clinic/itertoolsmodule.c.h
@@ -406,7 +406,7 @@ PyDoc_STRVAR(itertools_combinations_with_replacement__doc__,
 "\n"
 "Return successive r-length combinations of elements in the iterable allowing individual elements to have successive repeats.\n"
 "\n"
-"combinations_with_replacement(\'ABC\', 2) --> AA AB AC BB BC CC\"");
+"combinations_with_replacement(\'ABC\', 2) --> (\'A\',\'A\'), (\'A\',\'B\'), (\'A\',\'C\'), (\'B\',\'B\'), (\'B\',\'C\'), (\'C\',\'C\')");
 
 static PyObject *
 itertools_combinations_with_replacement_impl(PyTypeObject *type,
@@ -658,4 +658,4 @@ skip_optional_pos:
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=889c4afc3b13574f input=a9049054013a1b77]*/
+/*[clinic end generated code: output=c91f57481a2461d3 input=a9049054013a1b77]*/

diff --git a/Modules/clinic/selectmodule.c.h b/Modules/clinic/selectmodule.c.h
index d7095df..be752e9 100644 (file)
--- a/Modules/clinic/selectmodule.c.h
+++ b/Modules/clinic/selectmodule.c.h
@@ -193,6 +193,10 @@ PyDoc_STRVAR(select_poll_poll__doc__,
 "\n"
 "Polls the set of registered file descriptors.\n"
 "\n"
+"  timeout\n"
+"    The maximum time to wait in milliseconds, or else None (or a negative\n"
+"    value) to wait indefinitely.\n"
+"\n"
 "Returns a list containing any descriptors that have events or errors to\n"
 "report, as a list of (fd, event) 2-tuples.");
 
@@ -363,6 +367,10 @@ PyDoc_STRVAR(select_devpoll_poll__doc__,
 "\n"
 "Polls the set of registered file descriptors.\n"
 "\n"
+"  timeout\n"
+"    The maximum time to wait in milliseconds, or else None (or a negative\n"
+"    value) to wait indefinitely.\n"
+"\n"
 "Returns a list containing any descriptors that have events or errors to\n"
 "report, as a list of (fd, event) 2-tuples.");
 
@@ -1179,4 +1187,4 @@ exit:
 #ifndef SELECT_KQUEUE_CONTROL_METHODDEF
     #define SELECT_KQUEUE_CONTROL_METHODDEF
 #endif /* !defined(SELECT_KQUEUE_CONTROL_METHODDEF) */
-/*[clinic end generated code: output=cd2062a787e13b35 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=a8fc031269d28454 input=a9049054013a1b77]*/

diff --git a/Modules/expat/expat.h b/Modules/expat/expat.h
index b7d6d35..c9214f6 100644 (file)
--- a/Modules/expat/expat.h
+++ b/Modules/expat/expat.h
@@ -11,10 +11,11 @@
    Copyright (c) 2000-2005 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2001-2002 Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2016      Cristian Rodríguez <crrodriguez@opensuse.org>
    Copyright (c) 2016      Thomas Beutlich <tc@tbeu.de>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
+   Copyright (c) 2022      Thijs Schreijer <thijs@thijsschreijer.nl>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -174,8 +175,10 @@ struct XML_cp {
 };
 
 /* This is called for an element declaration. See above for
-   description of the model argument. It's the caller's responsibility
-   to free model when finished with it.
+   description of the model argument. It's the user code's responsibility
+   to free model when finished with it. See XML_FreeContentModel.
+   There is no need to free the model from the handler, it can be kept
+   around and freed at a later stage.
 */
 typedef void(XMLCALL *XML_ElementDeclHandler)(void *userData,
                                               const XML_Char *name,
@@ -237,6 +240,17 @@ XML_ParserCreate(const XML_Char *encoding);
    and the local part will be concatenated without any separator.
    It is a programming error to use the separator '\0' with namespace
    triplets (see XML_SetReturnNSTriplet).
+   If a namespace separator is chosen that can be part of a URI or
+   part of an XML name, splitting an expanded name back into its
+   1, 2 or 3 original parts on application level in the element handler
+   may end up vulnerable, so these are advised against;  sane choices for
+   a namespace separator are e.g. '\n' (line feed) and '|' (pipe).
+
+   Note that Expat does not validate namespace URIs (beyond encoding)
+   against RFC 3986 today (and is not required to do so with regard to
+   the XML 1.0 namespaces specification) but it may start doing that
+   in future releases.  Before that, an application using Expat must
+   be ready to receive namespace URIs containing non-URI characters.
 */
 XMLPARSEAPI(XML_Parser)
 XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator);
@@ -317,7 +331,7 @@ typedef void(XMLCALL *XML_StartDoctypeDeclHandler)(void *userData,
                                                    const XML_Char *pubid,
                                                    int has_internal_subset);
 
-/* This is called for the start of the DOCTYPE declaration when the
+/* This is called for the end of the DOCTYPE declaration when the
    closing > is encountered, but after processing any external
    subset.
 */
@@ -1041,7 +1055,7 @@ XML_SetBillionLaughsAttackProtectionActivationThreshold(
 */
 #define XML_MAJOR_VERSION 2
 #define XML_MINOR_VERSION 4
-#define XML_MICRO_VERSION 1
+#define XML_MICRO_VERSION 7
 
 #ifdef __cplusplus
 }

diff --git a/Modules/expat/pyexpatns.h b/Modules/expat/pyexpatns.h
index cfb742e..d45d9b6 100644 (file)
--- a/Modules/expat/pyexpatns.h
+++ b/Modules/expat/pyexpatns.h
@@ -38,6 +38,9 @@
 #ifndef PYEXPATNS_H
 #define PYEXPATNS_H
 
+#define testingAccountingGetCountBytesDirect PyExpat_testingAccountingGetCountBytesDirect
+#define testingAccountingGetCountBytesIndirect PyExpat_testingAccountingGetCountBytesIndirect
+#define unsignedCharToPrintable PyExpat_unsignedCharToPrintable
 #define XML_DefaultCurrent              PyExpat_XML_DefaultCurrent
 #define XML_ErrorString                 PyExpat_XML_ErrorString
 #define XML_ExpatVersion                PyExpat_XML_ExpatVersion
@@ -81,6 +84,8 @@
 #define XML_ResumeParser                PyExpat_XML_ResumeParser
 #define XML_SetAttlistDeclHandler       PyExpat_XML_SetAttlistDeclHandler
 #define XML_SetBase                     PyExpat_XML_SetBase
+#define XML_SetBillionLaughsAttackProtectionActivationThreshold PyExpat_XML_SetBillionLaughsAttackProtectionActivationThreshold
+#define XML_SetBillionLaughsAttackProtectionMaximumAmplification PyExpat_XML_SetBillionLaughsAttackProtectionMaximumAmplification
 #define XML_SetCdataSectionHandler      PyExpat_XML_SetCdataSectionHandler
 #define XML_SetCharacterDataHandler     PyExpat_XML_SetCharacterDataHandler
 #define XML_SetCommentHandler           PyExpat_XML_SetCommentHandler

diff --git a/Modules/expat/xmlparse.c b/Modules/expat/xmlparse.c
index 034a03c..05216d9 100644 (file)
--- a/Modules/expat/xmlparse.c
+++ b/Modules/expat/xmlparse.c
@@ -1,4 +1,4 @@
-/* 8539b9040d9d901366a62560a064af7cb99811335784b363abc039c5b0ebc416 (2.4.1+)
+/* fcb1a62fefa945567301146eb98e3ad3413e823a41c4378e84e8b6b6f308d824 (2.4.7+)
                             __  __            _
                          ___\ \/ /_ __   __ _| |_
                         / _ \\  /| '_ \ / _` | __|
@@ -11,9 +11,9 @@
    Copyright (c) 2000-2006 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2001-2002 Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2005-2009 Steven Solie <ssolie@users.sourceforge.net>
+   Copyright (c) 2005-2009 Steven Solie <steven@solie.ca>
    Copyright (c) 2016      Eric Rahm <erahm@mozilla.com>
-   Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2016      Gaurav <g.gupta@samsung.com>
    Copyright (c) 2016      Thomas Beutlich <tc@tbeu.de>
    Copyright (c) 2016      Gustavo Grieco <gustavo.grieco@imag.fr>
@@ -32,6 +32,9 @@
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
    Copyright (c) 2019-2020 Ben Wagner <bungeman@chromium.org>
    Copyright (c) 2019      Vadim Zeitlin <vadim@zeitlins.org>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
+   Copyright (c) 2022      Samanta Navarro <ferivoz@riseup.net>
+   Copyright (c) 2022      Jeffrey Walton <noloader@gmail.com>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -54,6 +57,10 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#define XML_BUILDING_EXPAT 1
+
+#include <expat_config.h>
+
 #if ! defined(_GNU_SOURCE)
 #  define _GNU_SOURCE 1 /* syscall prototype */
 #endif
@@ -84,14 +91,10 @@
 #  include <errno.h>
 #endif
 
-#define XML_BUILDING_EXPAT 1
-
 #ifdef _WIN32
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "ascii.h"
 #include "expat.h"
 #include "siphash.h"
@@ -131,7 +134,7 @@
       * BSD / macOS (including <10.7) (arc4random): HAVE_ARC4RANDOM, \
       * libbsd (arc4random_buf): HAVE_ARC4RANDOM_BUF + HAVE_LIBBSD, \
       * libbsd (arc4random): HAVE_ARC4RANDOM + HAVE_LIBBSD, \
-      * Linux (including <3.17) / BSD / macOS (including <10.7) (/dev/urandom): XML_DEV_URANDOM, \
+      * Linux (including <3.17) / BSD / macOS (including <10.7) / Solaris >=8 (/dev/urandom): XML_DEV_URANDOM, \
       * Windows >=Vista (rand_s): _WIN32. \
     \
     If insist on not using any of these, bypass this error by defining \
@@ -716,11 +719,11 @@ XML_ParserCreate(const XML_Char *encodingName) {
 
 XML_Parser XMLCALL
 XML_ParserCreateNS(const XML_Char *encodingName, XML_Char nsSep) {
-  XML_Char tmp[2];
-  *tmp = nsSep;
+  XML_Char tmp[2] = {nsSep, 0};
   return XML_ParserCreate_MM(encodingName, NULL, tmp);
 }
 
+// "xml=http://www.w3.org/XML/1998/namespace"
 static const XML_Char implicitContext[]
     = {ASCII_x,     ASCII_m,     ASCII_l,      ASCII_EQUALS, ASCII_h,
        ASCII_t,     ASCII_t,     ASCII_p,      ASCII_COLON,  ASCII_SLASH,
@@ -973,7 +976,7 @@ parserCreate(const XML_Char *encodingName,
 
   if (memsuite) {
     XML_Memory_Handling_Suite *mtemp;
-    parser = (XML_Parser)memsuite->malloc_fcn(sizeof(struct XML_ParserStruct));
+    parser = memsuite->malloc_fcn(sizeof(struct XML_ParserStruct));
     if (parser != NULL) {
       mtemp = (XML_Memory_Handling_Suite *)&(parser->m_mem);
       mtemp->malloc_fcn = memsuite->malloc_fcn;
@@ -1342,8 +1345,7 @@ XML_ExternalEntityParserCreate(XML_Parser oldParser, const XML_Char *context,
      would be otherwise.
   */
   if (parser->m_ns) {
-    XML_Char tmp[2];
-    *tmp = parser->m_namespaceSeparator;
+    XML_Char tmp[2] = {parser->m_namespaceSeparator, 0};
     parser = parserCreate(encodingName, &parser->m_mem, tmp, newDtd);
   } else {
     parser = parserCreate(encodingName, &parser->m_mem, NULL, newDtd);
@@ -2066,6 +2068,11 @@ XML_GetBuffer(XML_Parser parser, int len) {
     keep = (int)EXPAT_SAFE_PTR_DIFF(parser->m_bufferPtr, parser->m_buffer);
     if (keep > XML_CONTEXT_BYTES)
       keep = XML_CONTEXT_BYTES;
+    /* Detect and prevent integer overflow */
+    if (keep > INT_MAX - neededSize) {
+      parser->m_errorCode = XML_ERROR_NO_MEMORY;
+      return NULL;
+    }
     neededSize += keep;
 #endif /* defined XML_CONTEXT_BYTES */
     if (neededSize
@@ -2556,6 +2563,7 @@ storeRawNames(XML_Parser parser) {
   while (tag) {
     int bufSize;
     int nameLen = sizeof(XML_Char) * (tag->name.strLen + 1);
+    size_t rawNameLen;
     char *rawNameBuf = tag->buf + nameLen;
     /* Stop if already stored.  Since m_tagStack is a stack, we can stop
        at the first entry that has already been copied; everything
@@ -2567,7 +2575,11 @@ storeRawNames(XML_Parser parser) {
     /* For re-use purposes we need to ensure that the
        size of tag->buf is a multiple of sizeof(XML_Char).
     */
-    bufSize = nameLen + ROUND_UP(tag->rawNameLength, sizeof(XML_Char));
+    rawNameLen = ROUND_UP(tag->rawNameLength, sizeof(XML_Char));
+    /* Detect and prevent integer overflow. */
+    if (rawNameLen > (size_t)INT_MAX - nameLen)
+      return XML_FALSE;
+    bufSize = nameLen + (int)rawNameLen;
     if (bufSize > tag->bufEnd - tag->buf) {
       char *temp = (char *)REALLOC(parser, tag->buf, bufSize);
       if (temp == NULL)
@@ -3260,13 +3272,38 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
 
   /* get the attributes from the tokenizer */
   n = XmlGetAttributes(enc, attStr, parser->m_attsSize, parser->m_atts);
+
+  /* Detect and prevent integer overflow */
+  if (n > INT_MAX - nDefaultAtts) {
+    return XML_ERROR_NO_MEMORY;
+  }
+
   if (n + nDefaultAtts > parser->m_attsSize) {
     int oldAttsSize = parser->m_attsSize;
     ATTRIBUTE *temp;
 #ifdef XML_ATTR_INFO
     XML_AttrInfo *temp2;
 #endif
+
+    /* Detect and prevent integer overflow */
+    if ((nDefaultAtts > INT_MAX - INIT_ATTS_SIZE)
+        || (n > INT_MAX - (nDefaultAtts + INIT_ATTS_SIZE))) {
+      return XML_ERROR_NO_MEMORY;
+    }
+
     parser->m_attsSize = n + nDefaultAtts + INIT_ATTS_SIZE;
+
+    /* Detect and prevent integer overflow.
+     * The preprocessor guard addresses the "always false" warning
+     * from -Wtype-limits on platforms where
+     * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+    if ((unsigned)parser->m_attsSize > (size_t)(-1) / sizeof(ATTRIBUTE)) {
+      parser->m_attsSize = oldAttsSize;
+      return XML_ERROR_NO_MEMORY;
+    }
+#endif
+
     temp = (ATTRIBUTE *)REALLOC(parser, (void *)parser->m_atts,
                                 parser->m_attsSize * sizeof(ATTRIBUTE));
     if (temp == NULL) {
@@ -3275,6 +3312,17 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
     }
     parser->m_atts = temp;
 #ifdef XML_ATTR_INFO
+    /* Detect and prevent integer overflow.
+     * The preprocessor guard addresses the "always false" warning
+     * from -Wtype-limits on platforms where
+     * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#  if UINT_MAX >= SIZE_MAX
+    if ((unsigned)parser->m_attsSize > (size_t)(-1) / sizeof(XML_AttrInfo)) {
+      parser->m_attsSize = oldAttsSize;
+      return XML_ERROR_NO_MEMORY;
+    }
+#  endif
+
     temp2 = (XML_AttrInfo *)REALLOC(parser, (void *)parser->m_attInfo,
                                     parser->m_attsSize * sizeof(XML_AttrInfo));
     if (temp2 == NULL) {
@@ -3413,7 +3461,13 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
   if (nPrefixes) {
     int j; /* hash table index */
     unsigned long version = parser->m_nsAttsVersion;
-    int nsAttsSize = (int)1 << parser->m_nsAttsPower;
+
+    /* Detect and prevent invalid shift */
+    if (parser->m_nsAttsPower >= sizeof(unsigned int) * 8 /* bits per byte */) {
+      return XML_ERROR_NO_MEMORY;
+    }
+
+    unsigned int nsAttsSize = 1u << parser->m_nsAttsPower;
     unsigned char oldNsAttsPower = parser->m_nsAttsPower;
     /* size of hash table must be at least 2 * (# of prefixed attributes) */
     if ((nPrefixes << 1)
@@ -3424,7 +3478,28 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
         ;
       if (parser->m_nsAttsPower < 3)
         parser->m_nsAttsPower = 3;
-      nsAttsSize = (int)1 << parser->m_nsAttsPower;
+
+      /* Detect and prevent invalid shift */
+      if (parser->m_nsAttsPower >= sizeof(nsAttsSize) * 8 /* bits per byte */) {
+        /* Restore actual size of memory in m_nsAtts */
+        parser->m_nsAttsPower = oldNsAttsPower;
+        return XML_ERROR_NO_MEMORY;
+      }
+
+      nsAttsSize = 1u << parser->m_nsAttsPower;
+
+      /* Detect and prevent integer overflow.
+       * The preprocessor guard addresses the "always false" warning
+       * from -Wtype-limits on platforms where
+       * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+      if (nsAttsSize > (size_t)(-1) / sizeof(NS_ATT)) {
+        /* Restore actual size of memory in m_nsAtts */
+        parser->m_nsAttsPower = oldNsAttsPower;
+        return XML_ERROR_NO_MEMORY;
+      }
+#endif
+
       temp = (NS_ATT *)REALLOC(parser, parser->m_nsAtts,
                                nsAttsSize * sizeof(NS_ATT));
       if (! temp) {
@@ -3582,9 +3657,31 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
   tagNamePtr->prefixLen = prefixLen;
   for (i = 0; localPart[i++];)
     ; /* i includes null terminator */
+
+  /* Detect and prevent integer overflow */
+  if (binding->uriLen > INT_MAX - prefixLen
+      || i > INT_MAX - (binding->uriLen + prefixLen)) {
+    return XML_ERROR_NO_MEMORY;
+  }
+
   n = i + binding->uriLen + prefixLen;
   if (n > binding->uriAlloc) {
     TAG *p;
+
+    /* Detect and prevent integer overflow */
+    if (n > INT_MAX - EXPAND_SPARE) {
+      return XML_ERROR_NO_MEMORY;
+    }
+    /* Detect and prevent integer overflow.
+     * The preprocessor guard addresses the "always false" warning
+     * from -Wtype-limits on platforms where
+     * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+    if ((unsigned)(n + EXPAND_SPARE) > (size_t)(-1) / sizeof(XML_Char)) {
+      return XML_ERROR_NO_MEMORY;
+    }
+#endif
+
     uri = (XML_Char *)MALLOC(parser, (n + EXPAND_SPARE) * sizeof(XML_Char));
     if (! uri)
       return XML_ERROR_NO_MEMORY;
@@ -3609,12 +3706,124 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
   return XML_ERROR_NONE;
 }
 
+static XML_Bool
+is_rfc3986_uri_char(XML_Char candidate) {
+  // For the RFC 3986 ANBF grammar see
+  // https://datatracker.ietf.org/doc/html/rfc3986#appendix-A
+
+  switch (candidate) {
+  // From rule "ALPHA" (uppercase half)
+  case 'A':
+  case 'B':
+  case 'C':
+  case 'D':
+  case 'E':
+  case 'F':
+  case 'G':
+  case 'H':
+  case 'I':
+  case 'J':
+  case 'K':
+  case 'L':
+  case 'M':
+  case 'N':
+  case 'O':
+  case 'P':
+  case 'Q':
+  case 'R':
+  case 'S':
+  case 'T':
+  case 'U':
+  case 'V':
+  case 'W':
+  case 'X':
+  case 'Y':
+  case 'Z':
+
+  // From rule "ALPHA" (lowercase half)
+  case 'a':
+  case 'b':
+  case 'c':
+  case 'd':
+  case 'e':
+  case 'f':
+  case 'g':
+  case 'h':
+  case 'i':
+  case 'j':
+  case 'k':
+  case 'l':
+  case 'm':
+  case 'n':
+  case 'o':
+  case 'p':
+  case 'q':
+  case 'r':
+  case 's':
+  case 't':
+  case 'u':
+  case 'v':
+  case 'w':
+  case 'x':
+  case 'y':
+  case 'z':
+
+  // From rule "DIGIT"
+  case '0':
+  case '1':
+  case '2':
+  case '3':
+  case '4':
+  case '5':
+  case '6':
+  case '7':
+  case '8':
+  case '9':
+
+  // From rule "pct-encoded"
+  case '%':
+
+  // From rule "unreserved"
+  case '-':
+  case '.':
+  case '_':
+  case '~':
+
+  // From rule "gen-delims"
+  case ':':
+  case '/':
+  case '?':
+  case '#':
+  case '[':
+  case ']':
+  case '@':
+
+  // From rule "sub-delims"
+  case '!':
+  case '$':
+  case '&':
+  case '\'':
+  case '(':
+  case ')':
+  case '*':
+  case '+':
+  case ',':
+  case ';':
+  case '=':
+    return XML_TRUE;
+
+  default:
+    return XML_FALSE;
+  }
+}
+
 /* addBinding() overwrites the value of prefix->binding without checking.
    Therefore one must keep track of the old value outside of addBinding().
 */
 static enum XML_Error
 addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
            const XML_Char *uri, BINDING **bindingsPtr) {
+  // "http://www.w3.org/XML/1998/namespace"
   static const XML_Char xmlNamespace[]
       = {ASCII_h,      ASCII_t,     ASCII_t,     ASCII_p,      ASCII_COLON,
          ASCII_SLASH,  ASCII_SLASH, ASCII_w,     ASCII_w,      ASCII_w,
@@ -3625,6 +3834,7 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
          ASCII_e,      ASCII_s,     ASCII_p,     ASCII_a,      ASCII_c,
          ASCII_e,      '\0'};
   static const int xmlLen = (int)sizeof(xmlNamespace) / sizeof(XML_Char) - 1;
+  // "http://www.w3.org/2000/xmlns/"
   static const XML_Char xmlnsNamespace[]
       = {ASCII_h,     ASCII_t,      ASCII_t, ASCII_p, ASCII_COLON,  ASCII_SLASH,
          ASCII_SLASH, ASCII_w,      ASCII_w, ASCII_w, ASCII_PERIOD, ASCII_w,
@@ -3664,6 +3874,29 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
     if (! mustBeXML && isXMLNS
         && (len > xmlnsLen || uri[len] != xmlnsNamespace[len]))
       isXMLNS = XML_FALSE;
+
+    // NOTE: While Expat does not validate namespace URIs against RFC 3986
+    //       today (and is not REQUIRED to do so with regard to the XML 1.0
+    //       namespaces specification) we have to at least make sure, that
+    //       the application on top of Expat (that is likely splitting expanded
+    //       element names ("qualified names") of form
+    //       "[uri sep] local [sep prefix] '\0'" back into 1, 2 or 3 pieces
+    //       in its element handler code) cannot be confused by an attacker
+    //       putting additional namespace separator characters into namespace
+    //       declarations.  That would be ambiguous and not to be expected.
+    //
+    //       While the HTML API docs of function XML_ParserCreateNS have been
+    //       advising against use of a namespace separator character that can
+    //       appear in a URI for >20 years now, some widespread applications
+    //       are using URI characters (':' (colon) in particular) for a
+    //       namespace separator, in practice.  To keep these applications
+    //       functional, we only reject namespaces URIs containing the
+    //       application-chosen namespace separator if the chosen separator
+    //       is a non-URI character with regard to RFC 3986.
+    if (parser->m_ns && (uri[len] == parser->m_namespaceSeparator)
+        && ! is_rfc3986_uri_char(uri[len])) {
+      return XML_ERROR_SYNTAX;
+    }
   }
   isXML = isXML && len == xmlLen;
   isXMLNS = isXMLNS && len == xmlnsLen;
@@ -3680,6 +3913,21 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
   if (parser->m_freeBindingList) {
     b = parser->m_freeBindingList;
     if (len > b->uriAlloc) {
+      /* Detect and prevent integer overflow */
+      if (len > INT_MAX - EXPAND_SPARE) {
+        return XML_ERROR_NO_MEMORY;
+      }
+
+      /* Detect and prevent integer overflow.
+       * The preprocessor guard addresses the "always false" warning
+       * from -Wtype-limits on platforms where
+       * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+      if ((unsigned)(len + EXPAND_SPARE) > (size_t)(-1) / sizeof(XML_Char)) {
+        return XML_ERROR_NO_MEMORY;
+      }
+#endif
+
       XML_Char *temp = (XML_Char *)REALLOC(
           parser, b->uri, sizeof(XML_Char) * (len + EXPAND_SPARE));
       if (temp == NULL)
@@ -3692,6 +3940,21 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
     b = (BINDING *)MALLOC(parser, sizeof(BINDING));
     if (! b)
       return XML_ERROR_NO_MEMORY;
+
+    /* Detect and prevent integer overflow */
+    if (len > INT_MAX - EXPAND_SPARE) {
+      return XML_ERROR_NO_MEMORY;
+    }
+    /* Detect and prevent integer overflow.
+     * The preprocessor guard addresses the "always false" warning
+     * from -Wtype-limits on platforms where
+     * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+    if ((unsigned)(len + EXPAND_SPARE) > (size_t)(-1) / sizeof(XML_Char)) {
+      return XML_ERROR_NO_MEMORY;
+    }
+#endif
+
     b->uri
         = (XML_Char *)MALLOC(parser, sizeof(XML_Char) * (len + EXPAND_SPARE));
     if (! b->uri) {
@@ -3976,7 +4239,7 @@ initializeEncoding(XML_Parser parser) {
   const char *s;
 #ifdef XML_UNICODE
   char encodingBuf[128];
-  /* See comments about `protoclEncodingName` in parserInit() */
+  /* See comments about `protocolEncodingName` in parserInit() */
   if (! parser->m_protocolEncodingName)
     s = NULL;
   else {
@@ -5018,6 +5281,11 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
       if (parser->m_prologState.level >= parser->m_groupSize) {
         if (parser->m_groupSize) {
           {
+            /* Detect and prevent integer overflow */
+            if (parser->m_groupSize > (unsigned int)(-1) / 2u) {
+              return XML_ERROR_NO_MEMORY;
+            }
+
             char *const new_connector = (char *)REALLOC(
                 parser, parser->m_groupConnector, parser->m_groupSize *= 2);
             if (new_connector == NULL) {
@@ -5028,6 +5296,16 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
           }
 
           if (dtd->scaffIndex) {
+            /* Detect and prevent integer overflow.
+             * The preprocessor guard addresses the "always false" warning
+             * from -Wtype-limits on platforms where
+             * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+            if (parser->m_groupSize > (size_t)(-1) / sizeof(int)) {
+              return XML_ERROR_NO_MEMORY;
+            }
+#endif
+
             int *const new_scaff_index = (int *)REALLOC(
                 parser, dtd->scaffIndex, parser->m_groupSize * sizeof(int));
             if (new_scaff_index == NULL)
@@ -5236,7 +5514,7 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
       if (dtd->in_eldecl) {
         ELEMENT_TYPE *el;
         const XML_Char *name;
-        int nameLen;
+        size_t nameLen;
         const char *nxt
             = (quant == XML_CQUANT_NONE ? next : next - enc->minBytesPerChar);
         int myindex = nextScaffoldPart(parser);
@@ -5252,7 +5530,13 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
         nameLen = 0;
         for (; name[nameLen++];)
           ;
-        dtd->contentStringLen += nameLen;
+
+        /* Detect and prevent integer overflow */
+        if (nameLen > UINT_MAX - dtd->contentStringLen) {
+          return XML_ERROR_NO_MEMORY;
+        }
+
+        dtd->contentStringLen += (unsigned)nameLen;
         if (parser->m_elementDeclHandler)
           handleDefault = XML_FALSE;
       }
@@ -6098,7 +6382,24 @@ defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata,
       }
     } else {
       DEFAULT_ATTRIBUTE *temp;
+
+      /* Detect and prevent integer overflow */
+      if (type->allocDefaultAtts > INT_MAX / 2) {
+        return 0;
+      }
+
       int count = type->allocDefaultAtts * 2;
+
+      /* Detect and prevent integer overflow.
+       * The preprocessor guard addresses the "always false" warning
+       * from -Wtype-limits on platforms where
+       * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+      if ((unsigned)count > (size_t)(-1) / sizeof(DEFAULT_ATTRIBUTE)) {
+        return 0;
+      }
+#endif
+
       temp = (DEFAULT_ATTRIBUTE *)REALLOC(parser, type->defaultAtts,
                                           (count * sizeof(DEFAULT_ATTRIBUTE)));
       if (temp == NULL)
@@ -6388,7 +6689,7 @@ normalizePublicId(XML_Char *publicId) {
 
 static DTD *
 dtdCreate(const XML_Memory_Handling_Suite *ms) {
-  DTD *p = (DTD *)ms->malloc_fcn(sizeof(DTD));
+  DTD *p = ms->malloc_fcn(sizeof(DTD));
   if (p == NULL)
     return p;
   poolInit(&(p->pool), ms);
@@ -6561,8 +6862,8 @@ dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd,
     if (! newE)
       return 0;
     if (oldE->nDefaultAtts) {
-      newE->defaultAtts = (DEFAULT_ATTRIBUTE *)ms->malloc_fcn(
-          oldE->nDefaultAtts * sizeof(DEFAULT_ATTRIBUTE));
+      newE->defaultAtts
+          = ms->malloc_fcn(oldE->nDefaultAtts * sizeof(DEFAULT_ATTRIBUTE));
       if (! newE->defaultAtts) {
         return 0;
       }
@@ -6724,7 +7025,7 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
     /* table->size is a power of 2 */
     table->size = (size_t)1 << INIT_POWER;
     tsize = table->size * sizeof(NAMED *);
-    table->v = (NAMED **)table->mem->malloc_fcn(tsize);
+    table->v = table->mem->malloc_fcn(tsize);
     if (! table->v) {
       table->size = 0;
       return NULL;
@@ -6749,10 +7050,22 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
     /* check for overflow (table is half full) */
     if (table->used >> (table->power - 1)) {
       unsigned char newPower = table->power + 1;
+
+      /* Detect and prevent invalid shift */
+      if (newPower >= sizeof(unsigned long) * 8 /* bits per byte */) {
+        return NULL;
+      }
+
       size_t newSize = (size_t)1 << newPower;
       unsigned long newMask = (unsigned long)newSize - 1;
+
+      /* Detect and prevent integer overflow */
+      if (newSize > (size_t)(-1) / sizeof(NAMED *)) {
+        return NULL;
+      }
+
       size_t tsize = newSize * sizeof(NAMED *);
-      NAMED **newV = (NAMED **)table->mem->malloc_fcn(tsize);
+      NAMED **newV = table->mem->malloc_fcn(tsize);
       if (! newV)
         return NULL;
       memset(newV, 0, tsize);
@@ -6781,7 +7094,7 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
       }
     }
   }
-  table->v[i] = (NAMED *)table->mem->malloc_fcn(createSize);
+  table->v[i] = table->mem->malloc_fcn(createSize);
   if (! table->v[i])
     return NULL;
   memset(table->v[i], 0, createSize);
@@ -7069,7 +7382,7 @@ poolGrow(STRING_POOL *pool) {
     if (bytesToAllocate == 0)
       return XML_FALSE;
 
-    tem = (BLOCK *)pool->mem->malloc_fcn(bytesToAllocate);
+    tem = pool->mem->malloc_fcn(bytesToAllocate);
     if (! tem)
       return XML_FALSE;
     tem->size = blockSize;
@@ -7100,6 +7413,20 @@ nextScaffoldPart(XML_Parser parser) {
   if (dtd->scaffCount >= dtd->scaffSize) {
     CONTENT_SCAFFOLD *temp;
     if (dtd->scaffold) {
+      /* Detect and prevent integer overflow */
+      if (dtd->scaffSize > UINT_MAX / 2u) {
+        return -1;
+      }
+      /* Detect and prevent integer overflow.
+       * The preprocessor guard addresses the "always false" warning
+       * from -Wtype-limits on platforms where
+       * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+      if (dtd->scaffSize > (size_t)(-1) / 2u / sizeof(CONTENT_SCAFFOLD)) {
+        return -1;
+      }
+#endif
+
       temp = (CONTENT_SCAFFOLD *)REALLOC(
           parser, dtd->scaffold, dtd->scaffSize * 2 * sizeof(CONTENT_SCAFFOLD));
       if (temp == NULL)
@@ -7131,55 +7458,130 @@ nextScaffoldPart(XML_Parser parser) {
   return next;
 }
 
-static void
-build_node(XML_Parser parser, int src_node, XML_Content *dest,
-           XML_Content **contpos, XML_Char **strpos) {
-  DTD *const dtd = parser->m_dtd; /* save one level of indirection */
-  dest->type = dtd->scaffold[src_node].type;
-  dest->quant = dtd->scaffold[src_node].quant;
-  if (dest->type == XML_CTYPE_NAME) {
-    const XML_Char *src;
-    dest->name = *strpos;
-    src = dtd->scaffold[src_node].name;
-    for (;;) {
-      *(*strpos)++ = *src;
-      if (! *src)
-        break;
-      src++;
-    }
-    dest->numchildren = 0;
-    dest->children = NULL;
-  } else {
-    unsigned int i;
-    int cn;
-    dest->numchildren = dtd->scaffold[src_node].childcnt;
-    dest->children = *contpos;
-    *contpos += dest->numchildren;
-    for (i = 0, cn = dtd->scaffold[src_node].firstchild; i < dest->numchildren;
-         i++, cn = dtd->scaffold[cn].nextsib) {
-      build_node(parser, cn, &(dest->children[i]), contpos, strpos);
-    }
-    dest->name = NULL;
-  }
-}
-
 static XML_Content *
 build_model(XML_Parser parser) {
+  /* Function build_model transforms the existing parser->m_dtd->scaffold
+   * array of CONTENT_SCAFFOLD tree nodes into a new array of
+   * XML_Content tree nodes followed by a gapless list of zero-terminated
+   * strings. */
   DTD *const dtd = parser->m_dtd; /* save one level of indirection */
   XML_Content *ret;
-  XML_Content *cpos;
-  XML_Char *str;
-  int allocsize = (dtd->scaffCount * sizeof(XML_Content)
-                   + (dtd->contentStringLen * sizeof(XML_Char)));
+  XML_Char *str; /* the current string writing location */
+
+  /* Detect and prevent integer overflow.
+   * The preprocessor guard addresses the "always false" warning
+   * from -Wtype-limits on platforms where
+   * sizeof(unsigned int) < sizeof(size_t), e.g. on x86_64. */
+#if UINT_MAX >= SIZE_MAX
+  if (dtd->scaffCount > (size_t)(-1) / sizeof(XML_Content)) {
+    return NULL;
+  }
+  if (dtd->contentStringLen > (size_t)(-1) / sizeof(XML_Char)) {
+    return NULL;
+  }
+#endif
+  if (dtd->scaffCount * sizeof(XML_Content)
+      > (size_t)(-1) - dtd->contentStringLen * sizeof(XML_Char)) {
+    return NULL;
+  }
+
+  const size_t allocsize = (dtd->scaffCount * sizeof(XML_Content)
+                            + (dtd->contentStringLen * sizeof(XML_Char)));
 
   ret = (XML_Content *)MALLOC(parser, allocsize);
   if (! ret)
     return NULL;
 
-  str = (XML_Char *)(&ret[dtd->scaffCount]);
-  cpos = &ret[1];
+  /* What follows is an iterative implementation (of what was previously done
+   * recursively in a dedicated function called "build_node".  The old recursive
+   * build_node could be forced into stack exhaustion from input as small as a
+   * few megabyte, and so that was a security issue.  Hence, a function call
+   * stack is avoided now by resolving recursion.)
+   *
+   * The iterative approach works as follows:
+   *
+   * - We have two writing pointers, both walking up the result array; one does
+   *   the work, the other creates "jobs" for its colleague to do, and leads
+   *   the way:
+   *
+   *   - The faster one, pointer jobDest, always leads and writes "what job
+   *     to do" by the other, once they reach that place in the
+   *     array: leader "jobDest" stores the source node array index (relative
+   *     to array dtd->scaffold) in field "numchildren".
+   *
+   *   - The slower one, pointer dest, looks at the value stored in the
+   *     "numchildren" field (which actually holds a source node array index
+   *     at that time) and puts the real data from dtd->scaffold in.
+   *
+   * - Before the loop starts, jobDest writes source array index 0
+   *   (where the root node is located) so that dest will have something to do
+   *   when it starts operation.
+   *
+   * - Whenever nodes with children are encountered, jobDest appends
+   *   them as new jobs, in order.  As a result, tree node siblings are
+   *   adjacent in the resulting array, for example:
+   *
+   *     [0] root, has two children
+   *       [1] first child of 0, has three children
+   *         [3] first child of 1, does not have children
+   *         [4] second child of 1, does not have children
+   *         [5] third child of 1, does not have children
+   *       [2] second child of 0, does not have children
+   *
+   *   Or (the same data) presented in flat array view:
+   *
+   *     [0] root, has two children
+   *
+   *     [1] first child of 0, has three children
+   *     [2] second child of 0, does not have children
+   *
+   *     [3] first child of 1, does not have children
+   *     [4] second child of 1, does not have children
+   *     [5] third child of 1, does not have children
+   *
+   * - The algorithm repeats until all target array indices have been processed.
+   */
+  XML_Content *dest = ret; /* tree node writing location, moves upwards */
+  XML_Content *const destLimit = &ret[dtd->scaffCount];
+  XML_Content *jobDest = ret; /* next free writing location in target array */
+  str = (XML_Char *)&ret[dtd->scaffCount];
+
+  /* Add the starting job, the root node (index 0) of the source tree  */
+  (jobDest++)->numchildren = 0;
+
+  for (; dest < destLimit; dest++) {
+    /* Retrieve source tree array index from job storage */
+    const int src_node = (int)dest->numchildren;
+
+    /* Convert item */
+    dest->type = dtd->scaffold[src_node].type;
+    dest->quant = dtd->scaffold[src_node].quant;
+    if (dest->type == XML_CTYPE_NAME) {
+      const XML_Char *src;
+      dest->name = str;
+      src = dtd->scaffold[src_node].name;
+      for (;;) {
+        *str++ = *src;
+        if (! *src)
+          break;
+        src++;
+      }
+      dest->numchildren = 0;
+      dest->children = NULL;
+    } else {
+      unsigned int i;
+      int cn;
+      dest->name = NULL;
+      dest->numchildren = dtd->scaffold[src_node].childcnt;
+      dest->children = jobDest;
+
+      /* Append scaffold indices of children to array */
+      for (i = 0, cn = dtd->scaffold[src_node].firstchild;
+           i < dest->numchildren; i++, cn = dtd->scaffold[cn].nextsib)
+        (jobDest++)->numchildren = (unsigned int)cn;
+    }
+  }
 
-  build_node(parser, 0, ret, &cpos, &str);
   return ret;
 }
 
@@ -7208,7 +7610,7 @@ getElementType(XML_Parser parser, const ENCODING *enc, const char *ptr,
 
 static XML_Char *
 copyString(const XML_Char *s, const XML_Memory_Handling_Suite *memsuite) {
-  int charsRequired = 0;
+  size_t charsRequired = 0;
   XML_Char *result;
 
   /* First determine how long the string is */

diff --git a/Modules/expat/xmlrole.c b/Modules/expat/xmlrole.c
index 08173b0..3f0f5c1 100644 (file)
--- a/Modules/expat/xmlrole.c
+++ b/Modules/expat/xmlrole.c
@@ -11,10 +11,11 @@
    Copyright (c) 2002      Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002-2006 Karl Waclawek <karl@waclawek.net>
    Copyright (c) 2002-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
-   Copyright (c) 2005-2009 Steven Solie <ssolie@users.sourceforge.net>
+   Copyright (c) 2005-2009 Steven Solie <steven@solie.ca>
    Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -37,14 +38,14 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <expat_config.h>
+
 #include <stddef.h>
 
 #ifdef _WIN32
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "expat_external.h"
 #include "internal.h"
 #include "xmlrole.h"

diff --git a/Modules/expat/xmltok.c b/Modules/expat/xmltok.c
index 5b93571..c659983 100644 (file)
--- a/Modules/expat/xmltok.c
+++ b/Modules/expat/xmltok.c
@@ -11,8 +11,8 @@
    Copyright (c) 2001-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2002      Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2005-2009 Steven Solie <ssolie@users.sourceforge.net>
-   Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2005-2009 Steven Solie <steven@solie.ca>
+   Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2016      Pascal Cuoq <cuoq@trust-in-soft.com>
    Copyright (c) 2016      Don Lewis <truckman@apache.org>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
@@ -20,6 +20,7 @@
    Copyright (c) 2017      Benbuck Nason <bnason@netflix.com>
    Copyright (c) 2017      José Gutiérrez de la Concha <jose@zeroc.com>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -42,16 +43,16 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#ifdef _WIN32
-#  include "winconfig.h"
-#endif
-
 #include <expat_config.h>
 
 #include <stddef.h>
 #include <string.h> /* memcpy */
 #include <stdbool.h>
 
+#ifdef _WIN32
+#  include "winconfig.h"
+#endif
+
 #include "expat_external.h"
 #include "internal.h"
 #include "xmltok.h"
@@ -97,11 +98,6 @@
         + ((((byte)[1]) & 3) << 1) + ((((byte)[2]) >> 5) & 1)]                 \
    & (1u << (((byte)[2]) & 0x1F)))
 
-#define UTF8_GET_NAMING(pages, p, n)                                           \
-  ((n) == 2                                                                    \
-       ? UTF8_GET_NAMING2(pages, (const unsigned char *)(p))                   \
-       : ((n) == 3 ? UTF8_GET_NAMING3(pages, (const unsigned char *)(p)) : 0))
-
 /* Detection of invalid UTF-8 sequences is based on Table 3.1B
    of Unicode 3.2: http://www.unicode.org/unicode/reports/tr28/
    with the additional restriction of not allowing the Unicode

diff --git a/Modules/expat/xmltok_impl.c b/Modules/expat/xmltok_impl.c
index 0430591..4072b06 100644 (file)
--- a/Modules/expat/xmltok_impl.c
+++ b/Modules/expat/xmltok_impl.c
@@ -10,7 +10,7 @@
    Copyright (c) 2000      Clark Cooper <coopercc@users.sourceforge.net>
    Copyright (c) 2002      Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
    Copyright (c) 2018      Benjamin Peterson <benjamin@python.org>
    Copyright (c) 2018      Anton Maklakov <antmak.pub@gmail.com>
@@ -69,7 +69,7 @@
   case BT_LEAD##n:                                                             \
     if (end - ptr < n)                                                         \
       return XML_TOK_PARTIAL_CHAR;                                             \
-    if (! IS_NAME_CHAR(enc, ptr, n)) {                                         \
+    if (IS_INVALID_CHAR(enc, ptr, n) || ! IS_NAME_CHAR(enc, ptr, n)) {         \
       *nextTokPtr = ptr;                                                       \
       return XML_TOK_INVALID;                                                  \
     }                                                                          \
@@ -98,7 +98,7 @@
   case BT_LEAD##n:                                                             \
     if (end - ptr < n)                                                         \
       return XML_TOK_PARTIAL_CHAR;                                             \
-    if (! IS_NMSTRT_CHAR(enc, ptr, n)) {                                       \
+    if (IS_INVALID_CHAR(enc, ptr, n) || ! IS_NMSTRT_CHAR(enc, ptr, n)) {       \
       *nextTokPtr = ptr;                                                       \
       return XML_TOK_INVALID;                                                  \
     }                                                                          \
@@ -1142,6 +1142,10 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end,
   case BT_LEAD##n:                                                             \
     if (end - ptr < n)                                                         \
       return XML_TOK_PARTIAL_CHAR;                                             \
+    if (IS_INVALID_CHAR(enc, ptr, n)) {                                        \
+      *nextTokPtr = ptr;                                                       \
+      return XML_TOK_INVALID;                                                  \
+    }                                                                          \
     if (IS_NMSTRT_CHAR(enc, ptr, n)) {                                         \
       ptr += n;                                                                \
       tok = XML_TOK_NAME;                                                      \
@@ -1270,7 +1274,7 @@ PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr, const char *end,
     switch (BYTE_TYPE(enc, ptr)) {
 #  define LEAD_CASE(n)                                                         \
   case BT_LEAD##n:                                                             \
-    ptr += n;                                                                  \
+    ptr += n; /* NOTE: The encoding has already been validated. */             \
     break;
       LEAD_CASE(2)
       LEAD_CASE(3)
@@ -1339,7 +1343,7 @@ PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr, const char *end,
     switch (BYTE_TYPE(enc, ptr)) {
 #  define LEAD_CASE(n)                                                         \
   case BT_LEAD##n:                                                             \
-    ptr += n;                                                                  \
+    ptr += n; /* NOTE: The encoding has already been validated. */             \
     break;
       LEAD_CASE(2)
       LEAD_CASE(3)
@@ -1518,7 +1522,7 @@ PREFIX(getAtts)(const ENCODING *enc, const char *ptr, int attsMax,
       state = inName;                                                          \
     }
 #  define LEAD_CASE(n)                                                         \
-  case BT_LEAD##n:                                                             \
+  case BT_LEAD##n: /* NOTE: The encoding has already been validated. */        \
     START_NAME ptr += (n - MINBPC(enc));                                       \
     break;
       LEAD_CASE(2)
@@ -1730,7 +1734,7 @@ PREFIX(nameLength)(const ENCODING *enc, const char *ptr) {
     switch (BYTE_TYPE(enc, ptr)) {
 #  define LEAD_CASE(n)                                                         \
   case BT_LEAD##n:                                                             \
-    ptr += n;                                                                  \
+    ptr += n; /* NOTE: The encoding has already been validated. */             \
     break;
       LEAD_CASE(2)
       LEAD_CASE(3)
@@ -1775,7 +1779,7 @@ PREFIX(updatePosition)(const ENCODING *enc, const char *ptr, const char *end,
     switch (BYTE_TYPE(enc, ptr)) {
 #  define LEAD_CASE(n)                                                         \
   case BT_LEAD##n:                                                             \
-    ptr += n;                                                                  \
+    ptr += n; /* NOTE: The encoding has already been validated. */             \
     pos->columnNumber++;                                                       \
     break;
       LEAD_CASE(2)

diff --git a/Modules/expat/xmltok_ns.c b/Modules/expat/xmltok_ns.c
index 5fd8392..fbdd3e3 100644 (file)
--- a/Modules/expat/xmltok_ns.c
+++ b/Modules/expat/xmltok_ns.c
@@ -11,7 +11,7 @@
    Copyright (c) 2002      Greg Stein <gstein@users.sourceforge.net>
    Copyright (c) 2002      Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
    Copyright (c) 2002-2006 Karl Waclawek <karl@waclawek.net>
-   Copyright (c) 2017      Sebastian Pipping <sebastian@pipping.org>
+   Copyright (c) 2017-2021 Sebastian Pipping <sebastian@pipping.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -93,7 +93,7 @@ NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr,
 static const ENCODING *
 NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end) {
 #  define ENCODING_MAX 128
-  char buf[ENCODING_MAX];
+  char buf[ENCODING_MAX] = "";
   char *p = buf;
   int i;
   XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);

diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index 350f4cf..88a5b93 100644 (file)
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -17,6 +17,17 @@
 #  include <sys/resource.h>
 #endif
 
+/* Using an alternative stack requires sigaltstack()
+   and sigaction() SA_ONSTACK */
+#if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION)
+#  define FAULTHANDLER_USE_ALT_STACK
+#endif
+
+#if defined(FAULTHANDLER_USE_ALT_STACK) && defined(HAVE_LINUX_AUXVEC_H)
+#  include <linux/auxvec.h>
+#  include <sys/auxv.h>
+#endif
+
 /* Allocate at maximum 100 MiB of the stack to raise the stack overflow */
 #define STACK_OVERFLOW_MAX_SIZE (100 * 1024 * 1024)
 
@@ -29,6 +40,23 @@
 
 #define PUTS(fd, str) _Py_write_noraise(fd, str, strlen(str))
 
+
+// clang uses __attribute__((no_sanitize("undefined")))
+// GCC 4.9+ uses __attribute__((no_sanitize_undefined))
+#if defined(__has_feature)  // Clang
+#  if __has_feature(undefined_behavior_sanitizer)
+#    define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize("undefined")))
+#  endif
+#endif
+#if defined(__GNUC__) \
+    && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9))
+#  define _Py_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize_undefined))
+#endif
+#ifndef _Py_NO_SANITIZE_UNDEFINED
+#  define _Py_NO_SANITIZE_UNDEFINED
+#endif
+
+
 _Py_IDENTIFIER(enable);
 _Py_IDENTIFIER(fileno);
 _Py_IDENTIFIER(flush);
@@ -122,12 +150,6 @@ static fault_handler_t faulthandler_handlers[] = {
 static const size_t faulthandler_nsignals = \
     Py_ARRAY_LENGTH(faulthandler_handlers);
 
-/* Using an alternative stack requires sigaltstack()
-   and sigaction() SA_ONSTACK */
-#if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION)
-#  define FAULTHANDLER_USE_ALT_STACK
-#endif
-
 #ifdef FAULTHANDLER_USE_ALT_STACK
 static stack_t stack;
 static stack_t old_stack;
@@ -1014,7 +1036,7 @@ faulthandler_suppress_crash_report(void)
 #endif
 }
 
-static PyObject *
+static PyObject* _Py_NO_SANITIZE_UNDEFINED
 faulthandler_read_null(PyObject *self, PyObject *args)
 {
     volatile int *x;
@@ -1103,17 +1125,20 @@ faulthandler_fatal_error_c_thread(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
-static PyObject *
+static PyObject* _Py_NO_SANITIZE_UNDEFINED
 faulthandler_sigfpe(PyObject *self, PyObject *args)
 {
+    faulthandler_suppress_crash_report();
+
     /* Do an integer division by zero: raise a SIGFPE on Intel CPU, but not on
        PowerPC. Use volatile to disable compile-time optimizations. */
     volatile int x = 1, y = 0, z;
-    faulthandler_suppress_crash_report();
     z = x / y;
+
     /* If the division by zero didn't raise a SIGFPE (e.g. on PowerPC),
        raise it manually. */
     raise(SIGFPE);
+
     /* This line is never reached, but we pretend to make something with z
        to silence a compiler warning. */
     return PyLong_FromLong(z);
@@ -1354,6 +1379,15 @@ _PyFaulthandler_Init(int enable)
        signal handler uses more than SIGSTKSZ bytes of stack memory on some
        platforms. */
     stack.ss_size = SIGSTKSZ * 2;
+#ifdef AT_MINSIGSTKSZ
+    /* bpo-46968: Query Linux for minimal stack size to ensure signal delivery
+       for the hardware running CPython. This OS feature is available in
+       Linux kernel version >= 5.14 */
+    unsigned long at_minstack_size = getauxval(AT_MINSIGSTKSZ);
+    if (at_minstack_size != 0) {
+        stack.ss_size = SIGSTKSZ + at_minstack_size;
+    }
+#endif
 #endif
 
     memset(&thread, 0, sizeof(thread));

diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index e5e5aa3..805a159 100644 (file)
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -2162,12 +2162,36 @@ _PyGC_DumpShutdownStats(PyInterpreterState *interp)
     }
 }
 
+
+static void
+gc_fini_untrack(PyGC_Head *list)
+{
+    PyGC_Head *gc;
+    for (gc = GC_NEXT(list); gc != list; gc = GC_NEXT(list)) {
+        PyObject *op = FROM_GC(gc);
+        _PyObject_GC_UNTRACK(op);
+    }
+}
+
+
 void
 _PyGC_Fini(PyInterpreterState *interp)
 {
     GCState *gcstate = &interp->gc;
     Py_CLEAR(gcstate->garbage);
     Py_CLEAR(gcstate->callbacks);
+
+    if (!_Py_IsMainInterpreter(interp)) {
+        // bpo-46070: Explicitly untrack all objects currently tracked by the
+        // GC. Otherwise, if an object is used later by another interpreter,
+        // calling PyObject_GC_UnTrack() on the object crashs if the previous
+        // or the next object of the PyGC_Head structure became a dangling
+        // pointer.
+        for (int i = 0; i < NUM_GENERATIONS; i++) {
+            PyGC_Head *gen = GEN_HEAD(gcstate, i);
+            gc_fini_untrack(gen);
+        }
+    }
 }
 
 /* for debugging */

diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 643f47b..f8e2c45 100644 (file)
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -2926,14 +2926,14 @@ itertools.combinations_with_replacement.__new__
     r: Py_ssize_t
 Return successive r-length combinations of elements in the iterable allowing individual elements to have successive repeats.
 
-combinations_with_replacement('ABC', 2) --> AA AB AC BB BC CC"
+combinations_with_replacement('ABC', 2) --> ('A','A'), ('A','B'), ('A','C'), ('B','B'), ('B','C'), ('C','C')
 [clinic start generated code]*/
 
 static PyObject *
 itertools_combinations_with_replacement_impl(PyTypeObject *type,
                                              PyObject *iterable,
                                              Py_ssize_t r)
-/*[clinic end generated code: output=48b26856d4e659ca input=dc2a8c7ba785fad7]*/
+/*[clinic end generated code: output=48b26856d4e659ca input=1dc58e82a0878fdc]*/
 {
     cwrobject *co;
     Py_ssize_t n;

diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 3ecd0c3..3afcb0e 100644 (file)
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -564,6 +564,8 @@ select_poll_unregister_impl(pollObject *self, int fd)
 select.poll.poll
 
     timeout as timeout_obj: object = None
+      The maximum time to wait in milliseconds, or else None (or a negative
+      value) to wait indefinitely.
     /
 
 Polls the set of registered file descriptors.
@@ -574,7 +576,7 @@ report, as a list of (fd, event) 2-tuples.
 
 static PyObject *
 select_poll_poll_impl(pollObject *self, PyObject *timeout_obj)
-/*[clinic end generated code: output=876e837d193ed7e4 input=7a446ed45189e894]*/
+/*[clinic end generated code: output=876e837d193ed7e4 input=c2f6953ec45e5622]*/
 {
     PyObject *result_list = NULL;
     int poll_result, i, j;
@@ -888,6 +890,8 @@ select_devpoll_unregister_impl(devpollObject *self, int fd)
 /*[clinic input]
 select.devpoll.poll
     timeout as timeout_obj: object = None
+      The maximum time to wait in milliseconds, or else None (or a negative
+      value) to wait indefinitely.
     /
 
 Polls the set of registered file descriptors.
@@ -898,7 +902,7 @@ report, as a list of (fd, event) 2-tuples.
 
 static PyObject *
 select_devpoll_poll_impl(devpollObject *self, PyObject *timeout_obj)
-/*[clinic end generated code: output=2654e5457cca0b3c input=fd0db698d84f0333]*/
+/*[clinic end generated code: output=2654e5457cca0b3c input=3c3f0a355ec2bedb]*/
 {
     struct dvpoll dvp;
     PyObject *result_list = NULL;

diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 96881d4..c3a5237 100644 (file)
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -174,6 +174,17 @@ get_signal_state(PyObject *module)
 }
 
 
+static inline int
+compare_handler(PyObject *func, PyObject *dfl_ign_handler)
+{
+    assert(PyLong_CheckExact(dfl_ign_handler));
+    if (!PyLong_CheckExact(func)) {
+        return 0;
+    }
+    // Assume that comparison of two PyLong objects will never fail.
+    return PyObject_RichCompareBool(func, dfl_ign_handler, Py_EQ) == 1;
+}
+
 #ifdef HAVE_GETITIMER
 /* auxiliary functions for setitimer */
 static int
@@ -525,21 +536,18 @@ signal_signal_impl(PyObject *module, int signalnum, PyObject *handler)
                          "signal number out of range");
         return NULL;
     }
-    if (handler == modstate->ignore_handler) {
+    if (PyCallable_Check(handler)) {
+        func = signal_handler;
+    } else if (compare_handler(handler, modstate->ignore_handler)) {
         func = SIG_IGN;
-    }
-    else if (handler == modstate->default_handler) {
+    } else if (compare_handler(handler, modstate->default_handler)) {
         func = SIG_DFL;
-    }
-    else if (!PyCallable_Check(handler)) {
+    } else {
         _PyErr_SetString(tstate, PyExc_TypeError,
                          "signal handler must be signal.SIG_IGN, "
                          "signal.SIG_DFL, or a callable object");
         return NULL;
     }
-    else {
-        func = signal_handler;
-    }
 
     /* Check for pending signals before changing signal handler */
     if (_PyErr_CheckSignalsTstate(tstate)) {
@@ -1736,8 +1744,8 @@ _PySignal_Fini(void)
         set_handler(signum, NULL);
         if (func != NULL
             && func != Py_None
-            && func != state->default_handler
-            && func != state->ignore_handler)
+            && !compare_handler(func, state->default_handler)
+            && !compare_handler(func, state->ignore_handler))
         {
             PyOS_setsig(signum, SIG_DFL);
         }
@@ -1812,8 +1820,9 @@ _PyErr_CheckSignalsTstate(PyThreadState *tstate)
          * (see bpo-43406).
          */
         PyObject *func = get_handler(i);
-        if (func == NULL || func == Py_None || func == state->ignore_handler ||
-            func == state->default_handler) {
+        if (func == NULL || func == Py_None ||
+            compare_handler(func, state->ignore_handler) ||
+            compare_handler(func, state->default_handler)) {
             /* No Python signal handler due to aforementioned race condition.
              * We can't call raise() as it would break the assumption
              * that PyErr_SetInterrupt() only *simulates* an incoming
@@ -1873,7 +1882,8 @@ PyErr_SetInterruptEx(int signum)
 
     signal_state_t *state = &signal_global_state;
     PyObject *func = get_handler(signum);
-    if (func != state->ignore_handler && func != state->default_handler) {
+    if (!compare_handler(func, state->ignore_handler)
+            && !compare_handler(func, state->default_handler)) {
         trip_signal(signum);
     }
     return 0;

diff --git a/Objects/clinic/floatobject.c.h b/Objects/clinic/floatobject.c.h
index 5643f0e..494c0a2 100644 (file)
--- a/Objects/clinic/floatobject.c.h
+++ b/Objects/clinic/floatobject.c.h
@@ -289,8 +289,8 @@ exit:
     return return_value;
 }
 
-PyDoc_STRVAR(float___set_format____doc__,
-"__set_format__($type, typestr, fmt, /)\n"
+PyDoc_STRVAR(float___setformat____doc__,
+"__setformat__($type, typestr, fmt, /)\n"
 "--\n"
 "\n"
 "You probably don\'t want to use this function.\n"
@@ -307,25 +307,25 @@ PyDoc_STRVAR(float___set_format____doc__,
 "Override the automatic determination of C-level floating point type.\n"
 "This affects how floats are converted to and from binary strings.");
 
-#define FLOAT___SET_FORMAT___METHODDEF    \
-    {"__set_format__", (PyCFunction)(void(*)(void))float___set_format__, METH_FASTCALL|METH_CLASS, float___set_format____doc__},
+#define FLOAT___SETFORMAT___METHODDEF    \
+    {"__setformat__", (PyCFunction)(void(*)(void))float___setformat__, METH_FASTCALL|METH_CLASS, float___setformat____doc__},
 
 static PyObject *
-float___set_format___impl(PyTypeObject *type, const char *typestr,
-                          const char *fmt);
+float___setformat___impl(PyTypeObject *type, const char *typestr,
+                         const char *fmt);
 
 static PyObject *
-float___set_format__(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs)
+float___setformat__(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs)
 {
     PyObject *return_value = NULL;
     const char *typestr;
     const char *fmt;
 
-    if (!_PyArg_CheckPositional("__set_format__", nargs, 2, 2)) {
+    if (!_PyArg_CheckPositional("__setformat__", nargs, 2, 2)) {
         goto exit;
     }
     if (!PyUnicode_Check(args[0])) {
-        _PyArg_BadArgument("__set_format__", "argument 1", "str", args[0]);
+        _PyArg_BadArgument("__setformat__", "argument 1", "str", args[0]);
         goto exit;
     }
     Py_ssize_t typestr_length;
@@ -338,7 +338,7 @@ float___set_format__(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs
         goto exit;
     }
     if (!PyUnicode_Check(args[1])) {
-        _PyArg_BadArgument("__set_format__", "argument 2", "str", args[1]);
+        _PyArg_BadArgument("__setformat__", "argument 2", "str", args[1]);
         goto exit;
     }
     Py_ssize_t fmt_length;
@@ -350,7 +350,7 @@ float___set_format__(PyTypeObject *type, PyObject *const *args, Py_ssize_t nargs
         PyErr_SetString(PyExc_ValueError, "embedded null character");
         goto exit;
     }
-    return_value = float___set_format___impl(type, typestr, fmt);
+    return_value = float___setformat___impl(type, typestr, fmt);
 
 exit:
     return return_value;
@@ -387,4 +387,4 @@ float___format__(PyObject *self, PyObject *arg)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=bb079c3e130e4ce6 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=f4aae29054273cb5 input=a9049054013a1b77]*/

diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 97669be..09b0f82 100644 (file)
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -1135,11 +1135,11 @@ static PyMethodDef mappingproxy_methods[] = {
      PyDoc_STR("D.get(k[,d]) -> D[k] if k in D, else d."
                "  d defaults to None.")},
     {"keys",      (PyCFunction)mappingproxy_keys,       METH_NOARGS,
-     PyDoc_STR("D.keys() -> list of D's keys")},
+     PyDoc_STR("D.keys() -> a set-like object providing a view on D's keys")},
     {"values",    (PyCFunction)mappingproxy_values,     METH_NOARGS,
-     PyDoc_STR("D.values() -> list of D's values")},
+     PyDoc_STR("D.values() -> an object providing a view on D's values")},
     {"items",     (PyCFunction)mappingproxy_items,      METH_NOARGS,
-     PyDoc_STR("D.items() -> list of D's (key, value) pairs, as 2-tuples")},
+     PyDoc_STR("D.items() -> a set-like object providing a view on D's items")},
     {"copy",      (PyCFunction)mappingproxy_copy,       METH_NOARGS,
      PyDoc_STR("D.copy() -> a shallow copy of D")},
     {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS,
@@ -1510,7 +1510,7 @@ static PyMemberDef property_members[] = {
 
 
 PyDoc_STRVAR(getter_doc,
-             "Descriptor to change the getter on a property.");
+             "Descriptor to obtain a copy of the property with a different getter.");
 
 static PyObject *
 property_getter(PyObject *self, PyObject *getter)
@@ -1520,7 +1520,7 @@ property_getter(PyObject *self, PyObject *getter)
 
 
 PyDoc_STRVAR(setter_doc,
-             "Descriptor to change the setter on a property.");
+             "Descriptor to obtain a copy of the property with a different setter.");
 
 static PyObject *
 property_setter(PyObject *self, PyObject *setter)
@@ -1530,7 +1530,7 @@ property_setter(PyObject *self, PyObject *setter)
 
 
 PyDoc_STRVAR(deleter_doc,
-             "Descriptor to change the deleter on a property.");
+             "Descriptor to obtain a copy of the property with a different deleter.");
 
 static PyObject *
 property_deleter(PyObject *self, PyObject *deleter)

diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index e4ce7e7..2e02f37 100644 (file)
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -1748,7 +1748,7 @@ float___getformat___impl(PyTypeObject *type, const char *typestr)
 
 /*[clinic input]
 @classmethod
-float.__set_format__
+float.__setformat__
 
     typestr: str
         Must be 'double' or 'float'.
@@ -1767,9 +1767,9 @@ This affects how floats are converted to and from binary strings.
 [clinic start generated code]*/
 
 static PyObject *
-float___set_format___impl(PyTypeObject *type, const char *typestr,
-                          const char *fmt)
-/*[clinic end generated code: output=504460f5dc85acbd input=5306fa2b81a997e4]*/
+float___setformat___impl(PyTypeObject *type, const char *typestr,
+                         const char *fmt)
+/*[clinic end generated code: output=06864de1fb5f1f04 input=c0e9e04dd87f9988]*/
 {
     float_format_type f;
     float_format_type detected;
@@ -1871,7 +1871,7 @@ static PyMethodDef float_methods[] = {
     FLOAT_IS_INTEGER_METHODDEF
     FLOAT___GETNEWARGS___METHODDEF
     FLOAT___GETFORMAT___METHODDEF
-    FLOAT___SET_FORMAT___METHODDEF
+    FLOAT___SETFORMAT___METHODDEF
     FLOAT___FORMAT___METHODDEF
     {NULL,              NULL}           /* sentinel */
 };

diff --git a/Objects/object.c b/Objects/object.c
index ff816cd..47c352e 100644 (file)
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -890,19 +890,29 @@ set_attribute_error_context(PyObject* v, PyObject* name)
     assert(PyErr_Occurred());
     _Py_IDENTIFIER(name);
     _Py_IDENTIFIER(obj);
-    // Intercept AttributeError exceptions and augment them to offer
-    // suggestions later.
-    if (PyErr_ExceptionMatches(PyExc_AttributeError)){
-        PyObject *type, *value, *traceback;
-        PyErr_Fetch(&type, &value, &traceback);
-        PyErr_NormalizeException(&type, &value, &traceback);
-        if (PyErr_GivenExceptionMatches(value, PyExc_AttributeError) &&
-            (_PyObject_SetAttrId(value, &PyId_name, name) ||
-             _PyObject_SetAttrId(value, &PyId_obj, v))) {
-            return 1;
-        }
-        PyErr_Restore(type, value, traceback);
+    if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        return 0;
+    }
+    // Intercept AttributeError exceptions and augment them to offer suggestions later.
+    PyObject *type, *value, *traceback;
+    PyErr_Fetch(&type, &value, &traceback);
+    PyErr_NormalizeException(&type, &value, &traceback);
+    // Check if the normalized exception is indeed an AttributeError
+    if (!PyErr_GivenExceptionMatches(value, PyExc_AttributeError)) {
+        goto restore;
+    }
+    PyAttributeErrorObject* the_exc = (PyAttributeErrorObject*) value;
+    // Check if this exception was already augmented
+    if (the_exc->name || the_exc->obj) {
+        goto restore;
+    }
+    // Augment the exception with the name and object
+    if (_PyObject_SetAttrId(value, &PyId_name, name) ||
+        _PyObject_SetAttrId(value, &PyId_obj, v)) {
+        return 1;
     }
+restore:
+    PyErr_Restore(type, value, traceback);
     return 0;
 }
 

diff --git a/Objects/setobject.c b/Objects/setobject.c
index 6524963..e8ba32e 100644 (file)
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1204,17 +1204,21 @@ set_intersection(PySetObject *so, PyObject *other)
         while (set_next((PySetObject *)other, &pos, &entry)) {
             key = entry->key;
             hash = entry->hash;
+            Py_INCREF(key);
             rv = set_contains_entry(so, key, hash);
             if (rv < 0) {
                 Py_DECREF(result);
+                Py_DECREF(key);
                 return NULL;
             }
             if (rv) {
                 if (set_add_entry(result, key, hash)) {
                     Py_DECREF(result);
+                    Py_DECREF(key);
                     return NULL;
                 }
             }
+            Py_DECREF(key);
         }
         return (PyObject *)result;
     }
@@ -1354,11 +1358,16 @@ set_isdisjoint(PySetObject *so, PyObject *other)
             other = tmp;
         }
         while (set_next((PySetObject *)other, &pos, &entry)) {
-            rv = set_contains_entry(so, entry->key, entry->hash);
-            if (rv < 0)
+            PyObject *key = entry->key;
+            Py_INCREF(key);
+            rv = set_contains_entry(so, key, entry->hash);
+            Py_DECREF(key);
+            if (rv < 0) {
                 return NULL;
-            if (rv)
+            }
+            if (rv) {
                 Py_RETURN_FALSE;
+            }
         }
         Py_RETURN_TRUE;
     }
@@ -1417,11 +1426,16 @@ set_difference_update_internal(PySetObject *so, PyObject *other)
             Py_INCREF(other);
         }
 
-        while (set_next((PySetObject *)other, &pos, &entry))
-            if (set_discard_entry(so, entry->key, entry->hash) < 0) {
+        while (set_next((PySetObject *)other, &pos, &entry)) {
+            PyObject *key = entry->key;
+            Py_INCREF(key);
+            if (set_discard_entry(so, key, entry->hash) < 0) {
                 Py_DECREF(other);
+                Py_DECREF(key);
                 return -1;
             }
+            Py_DECREF(key);
+        }
 
         Py_DECREF(other);
     } else {
@@ -1512,17 +1526,21 @@ set_difference(PySetObject *so, PyObject *other)
         while (set_next(so, &pos, &entry)) {
             key = entry->key;
             hash = entry->hash;
+            Py_INCREF(key);
             rv = _PyDict_Contains_KnownHash(other, key, hash);
             if (rv < 0) {
                 Py_DECREF(result);
+                Py_DECREF(key);
                 return NULL;
             }
             if (!rv) {
                 if (set_add_entry((PySetObject *)result, key, hash)) {
                     Py_DECREF(result);
+                    Py_DECREF(key);
                     return NULL;
                 }
             }
+            Py_DECREF(key);
         }
         return result;
     }
@@ -1531,17 +1549,21 @@ set_difference(PySetObject *so, PyObject *other)
     while (set_next(so, &pos, &entry)) {
         key = entry->key;
         hash = entry->hash;
+        Py_INCREF(key);
         rv = set_contains_entry((PySetObject *)other, key, hash);
         if (rv < 0) {
             Py_DECREF(result);
+            Py_DECREF(key);
             return NULL;
         }
         if (!rv) {
             if (set_add_entry((PySetObject *)result, key, hash)) {
                 Py_DECREF(result);
+                Py_DECREF(key);
                 return NULL;
             }
         }
+        Py_DECREF(key);
     }
     return result;
 }
@@ -1638,17 +1660,21 @@ set_symmetric_difference_update(PySetObject *so, PyObject *other)
     while (set_next(otherset, &pos, &entry)) {
         key = entry->key;
         hash = entry->hash;
+        Py_INCREF(key);
         rv = set_discard_entry(so, key, hash);
         if (rv < 0) {
             Py_DECREF(otherset);
+            Py_DECREF(key);
             return NULL;
         }
         if (rv == DISCARD_NOTFOUND) {
             if (set_add_entry(so, key, hash)) {
                 Py_DECREF(otherset);
+                Py_DECREF(key);
                 return NULL;
             }
         }
+        Py_DECREF(key);
     }
     Py_DECREF(otherset);
     Py_RETURN_NONE;
@@ -1723,11 +1749,16 @@ set_issubset(PySetObject *so, PyObject *other)
         Py_RETURN_FALSE;
 
     while (set_next(so, &pos, &entry)) {
-        rv = set_contains_entry((PySetObject *)other, entry->key, entry->hash);
-        if (rv < 0)
+        PyObject *key = entry->key;
+        Py_INCREF(key);
+        rv = set_contains_entry((PySetObject *)other, key, entry->hash);
+        Py_DECREF(key);
+        if (rv < 0) {
             return NULL;
-        if (!rv)
+        }
+        if (!rv) {
             Py_RETURN_FALSE;
+        }
     }
     Py_RETURN_TRUE;
 }

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index b23e36a..b3ba120 100644 (file)
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -3707,22 +3707,20 @@ _PyType_GetModuleByDef(PyTypeObject *type, struct PyModuleDef *def)
     // to check i < PyTuple_GET_SIZE(mro) at the first loop iteration.
     assert(PyTuple_GET_SIZE(mro) >= 1);
 
-    Py_ssize_t i = 0;
-    do {
+    Py_ssize_t n = PyTuple_GET_SIZE(mro);
+    for (Py_ssize_t i = 0; i < n; i++) {
         PyObject *super = PyTuple_GET_ITEM(mro, i);
-        // _PyType_GetModuleByDef() must only be called on a heap type created
-        // by PyType_FromModuleAndSpec() or on its subclasses.
-        // type_ready_mro() ensures that a static type cannot inherit from a
-        // heap type.
-        assert(_PyType_HasFeature((PyTypeObject *)type, Py_TPFLAGS_HEAPTYPE));
+        if(!_PyType_HasFeature((PyTypeObject *)super, Py_TPFLAGS_HEAPTYPE)) {
+            // Static types in the MRO need to be skipped
+            continue;
+        }
 
         PyHeapTypeObject *ht = (PyHeapTypeObject*)super;
         PyObject *module = ht->ht_module;
         if (module && _PyModule_GetDef(module) == def) {
             return module;
         }
-        i++;
-    } while (i < PyTuple_GET_SIZE(mro));
+    }
 
     PyErr_Format(
         PyExc_TypeError,
@@ -6384,24 +6382,29 @@ PyType_Ready(PyTypeObject *type)
 static int
 add_subclass(PyTypeObject *base, PyTypeObject *type)
 {
-    int result = -1;
-    PyObject *dict, *key, *newobj;
+    PyObject *key = PyLong_FromVoidPtr((void *) type);
+    if (key == NULL)
+        return -1;
 
-    dict = base->tp_subclasses;
+    PyObject *ref = PyWeakref_NewRef((PyObject *)type, NULL);
+    if (ref == NULL) {
+        Py_DECREF(key);
+        return -1;
+    }
+
+    // Only get tp_subclasses after creating the key and value.
+    // PyWeakref_NewRef() can trigger a garbage collection which can execute
+    // arbitrary Python code and so modify base->tp_subclasses.
+    PyObject *dict = base->tp_subclasses;
     if (dict == NULL) {
         base->tp_subclasses = dict = PyDict_New();
         if (dict == NULL)
             return -1;
     }
     assert(PyDict_CheckExact(dict));
-    key = PyLong_FromVoidPtr((void *) type);
-    if (key == NULL)
-        return -1;
-    newobj = PyWeakref_NewRef((PyObject *)type, NULL);
-    if (newobj != NULL) {
-        result = PyDict_SetItem(dict, key, newobj);
-        Py_DECREF(newobj);
-    }
+
+    int result = PyDict_SetItem(dict, key, ref);
+    Py_DECREF(ref);
     Py_DECREF(key);
     return result;
 }
@@ -7993,7 +7996,7 @@ static slotdef slotdefs[] = {
     UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
            "abs(self)"),
     UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred,
-           "self != 0"),
+           "True if self else False"),
     UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~self"),
     BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
     RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),

diff --git a/PC/classicAppCompat.can.xml b/PC/classicAppCompat.can.xml
index f00475c..df361f8 100644 (file)
--- a/PC/classicAppCompat.can.xml
+++ b/PC/classicAppCompat.can.xml
@@ -1 +1 @@
-<CustomCapabilityDescriptor xmlns="http://schemas.microsoft.com/appx/2016/sccd" xmlns:s="http://schemas.microsoft.com/appx/2016/sccd"><CustomCapabilities><CustomCapability Name="Microsoft.classicAppCompat_8wekyb3d8bbwe"></CustomCapability></CustomCapabilities><AuthorizedEntities><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity></AuthorizedEntities></CustomCapabilityDescriptor>
\ No newline at end of file
+<CustomCapabilityDescriptor xmlns="http://schemas.microsoft.com/appx/2016/sccd" xmlns:s="http://schemas.microsoft.com/appx/2016/sccd"><CustomCapabilities><CustomCapability Name="Microsoft.classicAppCompat_8wekyb3d8bbwe"></CustomCapability></CustomCapabilities><AuthorizedEntities><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.16_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.17_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.16_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.16_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.17_qbz5n2kfra8p0" CertificateSignatureHash="6045e624888e299179d5ae0ceda57c9874ff6ccf889fa14b2d50f751bfb9e2f8"></AuthorizedEntity><AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.17_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"></AuthorizedEntity></AuthorizedEntities></CustomCapabilityDescriptor>
\ No newline at end of file

diff --git a/PC/classicAppCompat.sccd b/PC/classicAppCompat.sccd
index 9764898..d7a70cd 100644 (file)
--- a/PC/classicAppCompat.sccd
+++ b/PC/classicAppCompat.sccd
@@ -1,28 +1,41 @@
-<?xml version="1.0" encoding="utf-8"?>
-<CustomCapabilityDescriptor xmlns="http://schemas.microsoft.com/appx/2016/sccd" xmlns:s="http://schemas.microsoft.com/appx/2016/sccd">
-       <CustomCapabilities>
-               <CustomCapability Name="Microsoft.classicAppCompat_8wekyb3d8bbwe"/>
-       </CustomCapabilities>
-       <AuthorizedEntities>
-               <!--PFN for store installation-->
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="0000000000000000000000000000000000000000000000000000000000000000"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.12_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.13_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.14_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-               <AuthorizedEntity AppPackageFamilyName="PythonSoftwareFoundation.Python.3.15_qbz5n2kfra8p0" CertificateSignatureHash="279cd652c4e252bfbe5217ac722205d7729ba409148cfa9e6d9e5b1cb94eaff1"/>
-       </AuthorizedEntities>
-       <!--Once signed, this file can no longer be modified-->
-       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</Catalog></CustomCapabilityDescriptor>\r

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Binary files a/PC/icons/pythonx150.png and b/PC/icons/pythonx150.png differ

diff --git a/PC/icons/pythonx44.png b/PC/icons/pythonx44.png
index 3881daa..db0e9b9 100644 (file)
Binary files a/PC/icons/pythonx44.png and b/PC/icons/pythonx44.png differ

diff --git a/PC/icons/pythonx50.png b/PC/icons/pythonx50.png
index 7cc3aec..8eb5ffc 100644 (file)
Binary files a/PC/icons/pythonx50.png and b/PC/icons/pythonx50.png differ

diff --git a/PC/layout/support/appxmanifest.py b/PC/layout/support/appxmanifest.py
index 15119b0..427a36f 100644 (file)
--- a/PC/layout/support/appxmanifest.py
+++ b/PC/layout/support/appxmanifest.py
@@ -412,14 +412,22 @@ def get_appxmanifest(ns):
         if value:
             node.text = value
 
-    winver = sys.getwindowsversion()[:3]
+    try:
+        winver = tuple(int(i) for i in os.getenv("APPX_DATA_WINVER", "").split(".", maxsplit=3))
+    except (TypeError, ValueError):
+        winver = ()
+
+    # Default "known good" version is 10.0.22000, first Windows 11 release
+    winver = winver or (10, 0, 22000)
+
     if winver < (10, 0, 17763):
         winver = 10, 0, 17763
     find_or_add(xml, "m:Dependencies/m:TargetDeviceFamily").set(
-        "MaxVersionTested", "{}.{}.{}.0".format(*winver)
+        "MaxVersionTested", "{}.{}.{}.{}".format(*(winver + (0, 0, 0, 0)[:4]))
     )
 
-    if winver > (10, 0, 17763):
+    # Only for Python 3.11 and later. Older versions do not disable virtualization
+    if (VER_MAJOR, VER_MINOR) >= (3, 11) and winver > (10, 0, 17763):
         disable_registry_virtualization(xml)
 
     app = add_application(

diff --git a/PC/layout/support/constants.py b/PC/layout/support/constants.py
index 6cf0fe1..6efd8bc 100644 (file)
--- a/PC/layout/support/constants.py
+++ b/PC/layout/support/constants.py
@@ -16,7 +16,7 @@ def _unpack_hexversion():
         hexversion = int(os.getenv("PYTHON_HEXVERSION"), 16)
     except (TypeError, ValueError):
         hexversion = sys.hexversion
-    return struct.pack(">i", sys.hexversion)
+    return struct.pack(">i", hexversion)
 
 
 def _get_suffix(field4):

diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index 89fbf0d..475ddb3 100644 (file)
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -51,10 +51,10 @@ if NOT DEFINED PYTHON (
 echo.Fetching external libraries...\r
 \r
 set libraries=\r
-set libraries=%libraries%                                       bzip2-1.0.6\r
+set libraries=%libraries%                                       bzip2-1.0.8\r
 if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries%  libffi-3.3.0\r
-if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries%     openssl-1.1.1m\r
-set libraries=%libraries%                                       sqlite-3.35.5.0\r
+if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries%     openssl-1.1.1n\r
+set libraries=%libraries%                                       sqlite-3.37.2.0\r
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tcl-core-8.6.12.0\r
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tk-8.6.12.0\r
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tix-8.4.3.6\r
@@ -77,7 +77,7 @@ echo.Fetching external binaries...
 \r
 set binaries=\r
 if NOT "%IncludeLibffi%"=="false"  set binaries=%binaries% libffi-3.3.0\r
-if NOT "%IncludeSSL%"=="false"     set binaries=%binaries% openssl-bin-1.1.1m\r
+if NOT "%IncludeSSL%"=="false"     set binaries=%binaries% openssl-bin-1.1.1n\r
 if NOT "%IncludeTkinter%"=="false" set binaries=%binaries% tcltk-8.6.12.0\r
 if NOT "%IncludeSSLSrc%"=="false"  set binaries=%binaries% nasm-2.11.06\r
 \r

diff --git a/PCbuild/python.props b/PCbuild/python.props
index 801077b..3e44198 100644 (file)
--- a/PCbuild/python.props
+++ b/PCbuild/python.props
@@ -57,14 +57,14 @@
     <ExternalsDir>$(EXTERNALS_DIR)</ExternalsDir>\r
     <ExternalsDir Condition="$(ExternalsDir) == ''">$([System.IO.Path]::GetFullPath(`$(PySourcePath)externals`))</ExternalsDir>\r
     <ExternalsDir Condition="!HasTrailingSlash($(ExternalsDir))">$(ExternalsDir)\</ExternalsDir>\r
-    <sqlite3Dir>$(ExternalsDir)sqlite-3.35.5.0\</sqlite3Dir>\r
-    <bz2Dir>$(ExternalsDir)bzip2-1.0.6\</bz2Dir>\r
+    <sqlite3Dir>$(ExternalsDir)sqlite-3.37.2.0\</sqlite3Dir>\r
+    <bz2Dir>$(ExternalsDir)bzip2-1.0.8\</bz2Dir>\r
     <lzmaDir>$(ExternalsDir)xz-5.2.2\</lzmaDir>\r
     <libffiDir>$(ExternalsDir)libffi-3.3.0\</libffiDir>\r
     <libffiOutDir>$(ExternalsDir)libffi-3.3.0\$(ArchName)\</libffiOutDir>\r
     <libffiIncludeDir>$(libffiOutDir)include</libffiIncludeDir>\r
-    <opensslDir>$(ExternalsDir)openssl-1.1.1m\</opensslDir>\r
-    <opensslOutDir>$(ExternalsDir)openssl-bin-1.1.1m\$(ArchName)\</opensslOutDir>\r
+    <opensslDir>$(ExternalsDir)openssl-1.1.1n\</opensslDir>\r
+    <opensslOutDir>$(ExternalsDir)openssl-bin-1.1.1n\$(ArchName)\</opensslOutDir>\r
     <opensslIncludeDir>$(opensslOutDir)include</opensslIncludeDir>\r
     <nasmDir>$(ExternalsDir)\nasm-2.11.06\</nasmDir>\r
     <zlibDir>$(ExternalsDir)\zlib-1.2.11\</zlibDir>\r

diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index 5d49f88..572af14 100644 (file)
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -161,7 +161,7 @@ interpreter, but they do implement several major features.  See the
 about getting the source for building these libraries.  The sub-projects\r
 are:\r
 _bz2\r
-    Python wrapper for version 1.0.6 of the libbzip2 compression library\r
+    Python wrapper for version 1.0.8 of the libbzip2 compression library\r
     Homepage:\r
         http://www.bzip.org/\r
 _lzma\r
@@ -188,7 +188,7 @@ _ssl
     again when building.\r
 \r
 _sqlite3\r
-    Wraps SQLite 3.35.5, which is itself built by sqlite3.vcxproj\r
+    Wraps SQLite 3.37.2, which is itself built by sqlite3.vcxproj\r
     Homepage:\r
         http://www.sqlite.org/\r
 _tkinter\r

diff --git a/Parser/parser.c b/Parser/parser.c
index 7e6f048..3f73003 100644 (file)
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -3843,9 +3843,7 @@ dotted_name_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = dotted_name_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -7134,9 +7132,7 @@ attr_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = attr_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13025,9 +13021,7 @@ bitwise_or_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = bitwise_or_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13151,9 +13145,7 @@ bitwise_xor_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = bitwise_xor_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13277,9 +13269,7 @@ bitwise_and_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = bitwise_and_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13403,9 +13393,7 @@ shift_expr_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = shift_expr_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13568,9 +13556,7 @@ sum_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = sum_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -13739,9 +13725,7 @@ term_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = term_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -14363,9 +14347,7 @@ primary_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = primary_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -18053,9 +18035,7 @@ t_primary_rule(Parser *p)
             return _res;
         }
         p->mark = _mark;
-        p->in_raw_rule++;
         void *_raw = t_primary_raw(p);
-        p->in_raw_rule--;
         if (p->error_indicator) {
             p->level--;
             return NULL;
@@ -18699,11 +18679,14 @@ invalid_kwarg_rule(Parser *p)
 static expr_ty
 expression_without_invalid_rule(Parser *p)
 {
+    int _prev_call_invalid = p->call_invalid_rules;
+    p->call_invalid_rules = 0;
     if (p->level++ == MAXSTACK) {
         p->error_indicator = 1;
         PyErr_NoMemory();
     }
     if (p->error_indicator) {
+        p->call_invalid_rules = _prev_call_invalid;
         p->level--;
         return NULL;
     }
@@ -18711,6 +18694,7 @@ expression_without_invalid_rule(Parser *p)
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        p->call_invalid_rules = _prev_call_invalid;
         p->level--;
         return NULL;
     }
@@ -18720,6 +18704,7 @@ expression_without_invalid_rule(Parser *p)
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // disjunction 'if' disjunction 'else' expression
         if (p->error_indicator) {
+            p->call_invalid_rules = _prev_call_invalid;
             p->level--;
             return NULL;
         }
@@ -18744,6 +18729,7 @@ expression_without_invalid_rule(Parser *p)
             D(fprintf(stderr, "%*c+ expression_without_invalid[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "disjunction 'if' disjunction 'else' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                p->call_invalid_rules = _prev_call_invalid;
                 p->level--;
                 return NULL;
             }
@@ -18754,6 +18740,7 @@ expression_without_invalid_rule(Parser *p)
             _res = _PyAST_IfExp ( b , a , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                p->call_invalid_rules = _prev_call_invalid;
                 p->level--;
                 return NULL;
             }
@@ -18765,6 +18752,7 @@ expression_without_invalid_rule(Parser *p)
     }
     { // disjunction
         if (p->error_indicator) {
+            p->call_invalid_rules = _prev_call_invalid;
             p->level--;
             return NULL;
         }
@@ -18784,6 +18772,7 @@ expression_without_invalid_rule(Parser *p)
     }
     { // lambdef
         if (p->error_indicator) {
+            p->call_invalid_rules = _prev_call_invalid;
             p->level--;
             return NULL;
         }
@@ -18803,6 +18792,7 @@ expression_without_invalid_rule(Parser *p)
     }
     _res = NULL;
   done:
+    p->call_invalid_rules = _prev_call_invalid;
     p->level--;
     return _res;
 }
@@ -18955,6 +18945,10 @@ invalid_named_expression_rule(Parser *p)
         return NULL;
     }
     void * _res = NULL;
+    if (_PyPegen_is_memoized(p, invalid_named_expression_type, &_res)) {
+        p->level--;
+        return _res;
+    }
     int _mark = p->mark;
     { // expression ':=' expression
         if (p->error_indicator) {
@@ -19006,7 +19000,7 @@ invalid_named_expression_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME '=' bitwise_or !('=' | ':=')"));
-            _res = p -> in_raw_rule ? NULL : RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '==' or ':=' instead of '='?" );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '==' or ':=' instead of '='?" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -19040,7 +19034,7 @@ invalid_named_expression_rule(Parser *p)
         )
         {
             D(fprintf(stderr, "%*c+ invalid_named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "!(list | tuple | genexp | 'True' | 'None' | 'False') bitwise_or '=' bitwise_or !('=' | ':=')"));
-            _res = p -> in_raw_rule ? NULL : RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "cannot assign to %s here. Maybe you meant '==' instead of '='?" , _PyPegen_get_expr_name ( a ) );
+            _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "cannot assign to %s here. Maybe you meant '==' instead of '='?" , _PyPegen_get_expr_name ( a ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 p->level--;
@@ -19054,6 +19048,7 @@ invalid_named_expression_rule(Parser *p)
     }
     _res = NULL;
   done:
+    _PyPegen_insert_memo(p, _mark, invalid_named_expression_type, _res);
     p->level--;
     return _res;
 }

diff --git a/Parser/pegen.c b/Parser/pegen.c
index e507415..df17476 100644 (file)
--- a/Parser/pegen.c
+++ b/Parser/pegen.c
@@ -436,9 +436,17 @@ get_error_line(Parser *p, Py_ssize_t lineno)
 
     char *cur_line = p->tok->fp_interactive ? p->tok->interactive_src_start : p->tok->str;
     assert(cur_line != NULL);
+    const char* buf_end = p->tok->fp_interactive ? p->tok->interactive_src_end : p->tok->inp;
 
-    for (int i = 0; i < lineno - 1; i++) {
-        cur_line = strchr(cur_line, '\n') + 1;
+    Py_ssize_t relative_lineno = p->starting_lineno ? lineno - p->starting_lineno + 1 : lineno;
+
+    for (int i = 0; i < relative_lineno - 1; i++) {
+        char *new_line = strchr(cur_line, '\n') + 1;
+        assert(new_line != NULL && new_line <= buf_end);
+        if (new_line == NULL || new_line > buf_end) {
+            break;
+        }
+        cur_line = new_line;
     }
 
     char *next_newline;
@@ -1194,6 +1202,9 @@ compute_parser_flags(PyCompilerFlags *flags)
     if ((flags->cf_flags & PyCF_ONLY_AST) && flags->cf_feature_version < 7) {
         parser_flags |= PyPARSE_ASYNC_HACKS;
     }
+    if (flags->cf_flags & PyCF_ALLOW_INCOMPLETE_INPUT) {
+        parser_flags |= PyPARSE_ALLOW_INCOMPLETE_INPUT;
+    }
     return parser_flags;
 }
 
@@ -1248,7 +1259,6 @@ _PyPegen_Parser_New(struct tok_state *tok, int start_rule, int flags,
     p->known_err_token = NULL;
     p->level = 0;
     p->call_invalid_rules = 0;
-    p->in_raw_rule = 0;
     return p;
 }
 
@@ -1319,22 +1329,37 @@ exit:
     return ret;
 }
 
+
+static inline int
+_is_end_of_source(Parser *p) {
+    int err = p->tok->done;
+    return err == E_EOF || err == E_EOFS || err == E_EOLS;
+}
+
 void *
 _PyPegen_run_parser(Parser *p)
 {
     void *res = _PyPegen_parse(p);
     assert(p->level == 0);
     if (res == NULL) {
+        if ((p->flags & PyPARSE_ALLOW_INCOMPLETE_INPUT) &&  _is_end_of_source(p)) {
+            PyErr_Clear();
+            return RAISE_SYNTAX_ERROR("incomplete input");
+        }
         if (PyErr_Occurred() && !PyErr_ExceptionMatches(PyExc_SyntaxError)) {
             return NULL;
         }
+        // Make a second parser pass. In this pass we activate heavier and slower checks
+        // to produce better error messages and more complete diagnostics. Extra "invalid_*"
+        // rules will be active during parsing.
         Token *last_token = p->tokens[p->fill - 1];
         reset_parser_state(p);
         _PyPegen_parse(p);
         if (PyErr_Occurred()) {
             // Prioritize tokenizer errors to custom syntax errors raised
             // on the second phase only if the errors come from the parser.
-            if (p->tok->done == E_DONE && PyErr_ExceptionMatches(PyExc_SyntaxError)) {
+            int is_tok_ok = (p->tok->done == E_DONE || p->tok->done == E_OK);
+            if (is_tok_ok && PyErr_ExceptionMatches(PyExc_SyntaxError)) {
                 _PyPegen_check_tokenizer_errors(p);
             }
             return NULL;

diff --git a/Parser/pegen.h b/Parser/pegen.h
index 29d4805..0e5a057 100644 (file)
--- a/Parser/pegen.h
+++ b/Parser/pegen.h
@@ -22,6 +22,7 @@
 #define PyPARSE_BARRY_AS_BDFL 0x0020
 #define PyPARSE_TYPE_COMMENTS 0x0040
 #define PyPARSE_ASYNC_HACKS   0x0080
+#define PyPARSE_ALLOW_INCOMPLETE_INPUT 0x0100
 
 typedef struct _memo {
     int type;
@@ -75,7 +76,6 @@ typedef struct {
     Token *known_err_token;
     int level;
     int call_invalid_rules;
-    int in_raw_rule;
 } Parser;
 
 typedef struct {

diff --git a/Parser/pegen_errors.c b/Parser/pegen_errors.c
deleted file mode 100644 (file)
index 93057d1..0000000
--- a/Parser/pegen_errors.c
+++ /dev/null
@@ -1,425 +0,0 @@
-#include <Python.h>
-#include <errcode.h>
-
-#include "tokenizer.h"
-#include "pegen.h"
-
-// TOKENIZER ERRORS
-
-void
-_PyPegen_raise_tokenizer_init_error(PyObject *filename)
-{
-    if (!(PyErr_ExceptionMatches(PyExc_LookupError)
-          || PyErr_ExceptionMatches(PyExc_SyntaxError)
-          || PyErr_ExceptionMatches(PyExc_ValueError)
-          || PyErr_ExceptionMatches(PyExc_UnicodeDecodeError))) {
-        return;
-    }
-    PyObject *errstr = NULL;
-    PyObject *tuple = NULL;
-    PyObject *type;
-    PyObject *value;
-    PyObject *tback;
-    PyErr_Fetch(&type, &value, &tback);
-    errstr = PyObject_Str(value);
-    if (!errstr) {
-        goto error;
-    }
-
-    PyObject *tmp = Py_BuildValue("(OiiO)", filename, 0, -1, Py_None);
-    if (!tmp) {
-        goto error;
-    }
-
-    tuple = PyTuple_Pack(2, errstr, tmp);
-    Py_DECREF(tmp);
-    if (!value) {
-        goto error;
-    }
-    PyErr_SetObject(PyExc_SyntaxError, tuple);
-
-error:
-    Py_XDECREF(type);
-    Py_XDECREF(value);
-    Py_XDECREF(tback);
-    Py_XDECREF(errstr);
-    Py_XDECREF(tuple);
-}
-
-static inline void
-raise_unclosed_parentheses_error(Parser *p) {
-       int error_lineno = p->tok->parenlinenostack[p->tok->level-1];
-       int error_col = p->tok->parencolstack[p->tok->level-1];
-       RAISE_ERROR_KNOWN_LOCATION(p, PyExc_SyntaxError,
-                                  error_lineno, error_col, error_lineno, -1,
-                                  "'%c' was never closed",
-                                  p->tok->parenstack[p->tok->level-1]);
-}
-
-int
-_Pypegen_tokenizer_error(Parser *p)
-{
-    if (PyErr_Occurred()) {
-        return -1;
-    }
-
-    const char *msg = NULL;
-    PyObject* errtype = PyExc_SyntaxError;
-    Py_ssize_t col_offset = -1;
-    switch (p->tok->done) {
-        case E_TOKEN:
-            msg = "invalid token";
-            break;
-        case E_EOF:
-            if (p->tok->level) {
-                raise_unclosed_parentheses_error(p);
-            } else {
-                RAISE_SYNTAX_ERROR("unexpected EOF while parsing");
-            }
-            return -1;
-        case E_DEDENT:
-            RAISE_INDENTATION_ERROR("unindent does not match any outer indentation level");
-            return -1;
-        case E_INTR:
-            if (!PyErr_Occurred()) {
-                PyErr_SetNone(PyExc_KeyboardInterrupt);
-            }
-            return -1;
-        case E_NOMEM:
-            PyErr_NoMemory();
-            return -1;
-        case E_TABSPACE:
-            errtype = PyExc_TabError;
-            msg = "inconsistent use of tabs and spaces in indentation";
-            break;
-        case E_TOODEEP:
-            errtype = PyExc_IndentationError;
-            msg = "too many levels of indentation";
-            break;
-        case E_LINECONT: {
-            col_offset = p->tok->cur - p->tok->buf - 1;
-            msg = "unexpected character after line continuation character";
-            break;
-        }
-        default:
-            msg = "unknown parsing error";
-    }
-
-    RAISE_ERROR_KNOWN_LOCATION(p, errtype, p->tok->lineno,
-                               col_offset >= 0 ? col_offset : 0,
-                               p->tok->lineno, -1, msg);
-    return -1;
-}
-
-int
-_Pypegen_raise_decode_error(Parser *p)
-{
-    assert(PyErr_Occurred());
-    const char *errtype = NULL;
-    if (PyErr_ExceptionMatches(PyExc_UnicodeError)) {
-        errtype = "unicode error";
-    }
-    else if (PyErr_ExceptionMatches(PyExc_ValueError)) {
-        errtype = "value error";
-    }
-    if (errtype) {
-        PyObject *type;
-        PyObject *value;
-        PyObject *tback;
-        PyObject *errstr;
-        PyErr_Fetch(&type, &value, &tback);
-        errstr = PyObject_Str(value);
-        if (errstr) {
-            RAISE_SYNTAX_ERROR("(%s) %U", errtype, errstr);
-            Py_DECREF(errstr);
-        }
-        else {
-            PyErr_Clear();
-            RAISE_SYNTAX_ERROR("(%s) unknown error", errtype);
-        }
-        Py_XDECREF(type);
-        Py_XDECREF(value);
-        Py_XDECREF(tback);
-    }
-
-    return -1;
-}
-
-static int
-_PyPegen_tokenize_full_source_to_check_for_errors(Parser *p) {
-    // Tokenize the whole input to see if there are any tokenization
-    // errors such as mistmatching parentheses. These will get priority
-    // over generic syntax errors only if the line number of the error is
-    // before the one that we had for the generic error.
-
-    // We don't want to tokenize to the end for interactive input
-    if (p->tok->prompt != NULL) {
-        return 0;
-    }
-
-    PyObject *type, *value, *traceback;
-    PyErr_Fetch(&type, &value, &traceback);
-
-    Token *current_token = p->known_err_token != NULL ? p->known_err_token : p->tokens[p->fill - 1];
-    Py_ssize_t current_err_line = current_token->lineno;
-
-    int ret = 0;
-
-    for (;;) {
-        const char *start;
-        const char *end;
-        switch (_PyTokenizer_Get(p->tok, &start, &end)) {
-            case ERRORTOKEN:
-                if (p->tok->level != 0) {
-                    int error_lineno = p->tok->parenlinenostack[p->tok->level-1];
-                    if (current_err_line > error_lineno) {
-                        raise_unclosed_parentheses_error(p);
-                        ret = -1;
-                        goto exit;
-                    }
-                }
-                break;
-            case ENDMARKER:
-                break;
-            default:
-                continue;
-        }
-        break;
-    }
-
-
-exit:
-    if (PyErr_Occurred()) {
-        Py_XDECREF(value);
-        Py_XDECREF(type);
-        Py_XDECREF(traceback);
-    } else {
-        PyErr_Restore(type, value, traceback);
-    }
-    return ret;
-}
-
-// PARSER ERRORS
-
-void *
-_PyPegen_raise_error(Parser *p, PyObject *errtype, const char *errmsg, ...)
-{
-    if (p->fill == 0) {
-        va_list va;
-        va_start(va, errmsg);
-        _PyPegen_raise_error_known_location(p, errtype, 0, 0, 0, -1, errmsg, va);
-        va_end(va);
-        return NULL;
-    }
-
-    Token *t = p->known_err_token != NULL ? p->known_err_token : p->tokens[p->fill - 1];
-    Py_ssize_t col_offset;
-    Py_ssize_t end_col_offset = -1;
-    if (t->col_offset == -1) {
-        if (p->tok->cur == p->tok->buf) {
-            col_offset = 0;
-        } else {
-            const char* start = p->tok->buf  ? p->tok->line_start : p->tok->buf;
-            col_offset = Py_SAFE_DOWNCAST(p->tok->cur - start, intptr_t, int);
-        }
-    } else {
-        col_offset = t->col_offset + 1;
-    }
-
-    if (t->end_col_offset != -1) {
-        end_col_offset = t->end_col_offset + 1;
-    }
-
-    va_list va;
-    va_start(va, errmsg);
-    _PyPegen_raise_error_known_location(p, errtype, t->lineno, col_offset, t->end_lineno, end_col_offset, errmsg, va);
-    va_end(va);
-
-    return NULL;
-}
-
-static PyObject *
-get_error_line_from_tokenizer_buffers(Parser *p, Py_ssize_t lineno)
-{
-    /* If the file descriptor is interactive, the source lines of the current
-     * (multi-line) statement are stored in p->tok->interactive_src_start.
-     * If not, we're parsing from a string, which means that the whole source
-     * is stored in p->tok->str. */
-    assert((p->tok->fp == NULL && p->tok->str != NULL) || p->tok->fp == stdin);
-
-    char *cur_line = p->tok->fp_interactive ? p->tok->interactive_src_start : p->tok->str;
-    assert(cur_line != NULL);
-
-    for (int i = 0; i < lineno - 1; i++) {
-        cur_line = strchr(cur_line, '\n') + 1;
-    }
-
-    char *next_newline;
-    if ((next_newline = strchr(cur_line, '\n')) == NULL) { // This is the last line
-        next_newline = cur_line + strlen(cur_line);
-    }
-    return PyUnicode_DecodeUTF8(cur_line, next_newline - cur_line, "replace");
-}
-
-void *
-_PyPegen_raise_error_known_location(Parser *p, PyObject *errtype,
-                                    Py_ssize_t lineno, Py_ssize_t col_offset,
-                                    Py_ssize_t end_lineno, Py_ssize_t end_col_offset,
-                                    const char *errmsg, va_list va)
-{
-    PyObject *value = NULL;
-    PyObject *errstr = NULL;
-    PyObject *error_line = NULL;
-    PyObject *tmp = NULL;
-    p->error_indicator = 1;
-
-    if (end_lineno == CURRENT_POS) {
-        end_lineno = p->tok->lineno;
-    }
-    if (end_col_offset == CURRENT_POS) {
-        end_col_offset = p->tok->cur - p->tok->line_start;
-    }
-
-    if (p->start_rule == Py_fstring_input) {
-        const char *fstring_msg = "f-string: ";
-        Py_ssize_t len = strlen(fstring_msg) + strlen(errmsg);
-
-        char *new_errmsg = PyMem_Malloc(len + 1); // Lengths of both strings plus NULL character
-        if (!new_errmsg) {
-            return (void *) PyErr_NoMemory();
-        }
-
-        // Copy both strings into new buffer
-        memcpy(new_errmsg, fstring_msg, strlen(fstring_msg));
-        memcpy(new_errmsg + strlen(fstring_msg), errmsg, strlen(errmsg));
-        new_errmsg[len] = 0;
-        errmsg = new_errmsg;
-    }
-    errstr = PyUnicode_FromFormatV(errmsg, va);
-    if (!errstr) {
-        goto error;
-    }
-
-    if (p->tok->fp_interactive) {
-        error_line = get_error_line_from_tokenizer_buffers(p, lineno);
-    }
-    else if (p->start_rule == Py_file_input) {
-        error_line = _PyErr_ProgramDecodedTextObject(p->tok->filename,
-                                                     (int) lineno, p->tok->encoding);
-    }
-
-    if (!error_line) {
-        /* PyErr_ProgramTextObject was not called or returned NULL. If it was not called,
-           then we need to find the error line from some other source, because
-           p->start_rule != Py_file_input. If it returned NULL, then it either unexpectedly
-           failed or we're parsing from a string or the REPL. There's a third edge case where
-           we're actually parsing from a file, which has an E_EOF SyntaxError and in that case
-           `PyErr_ProgramTextObject` fails because lineno points to last_file_line + 1, which
-           does not physically exist */
-        assert(p->tok->fp == NULL || p->tok->fp == stdin || p->tok->done == E_EOF);
-
-        if (p->tok->lineno <= lineno && p->tok->inp > p->tok->buf) {
-            Py_ssize_t size = p->tok->inp - p->tok->buf;
-            error_line = PyUnicode_DecodeUTF8(p->tok->buf, size, "replace");
-        }
-        else if (p->tok->fp == NULL || p->tok->fp == stdin) {
-            error_line = get_error_line_from_tokenizer_buffers(p, lineno);
-        }
-        else {
-            error_line = PyUnicode_FromStringAndSize("", 0);
-        }
-        if (!error_line) {
-            goto error;
-        }
-    }
-
-    if (p->start_rule == Py_fstring_input) {
-        col_offset -= p->starting_col_offset;
-        end_col_offset -= p->starting_col_offset;
-    }
-
-    Py_ssize_t col_number = col_offset;
-    Py_ssize_t end_col_number = end_col_offset;
-
-    if (p->tok->encoding != NULL) {
-        col_number = _PyPegen_byte_offset_to_character_offset(error_line, col_offset);
-        if (col_number < 0) {
-            goto error;
-        }
-        if (end_col_number > 0) {
-            Py_ssize_t end_col_offset = _PyPegen_byte_offset_to_character_offset(error_line, end_col_number);
-            if (end_col_offset < 0) {
-                goto error;
-            } else {
-                end_col_number = end_col_offset;
-            }
-        }
-    }
-    tmp = Py_BuildValue("(OiiNii)", p->tok->filename, lineno, col_number, error_line, end_lineno, end_col_number);
-    if (!tmp) {
-        goto error;
-    }
-    value = PyTuple_Pack(2, errstr, tmp);
-    Py_DECREF(tmp);
-    if (!value) {
-        goto error;
-    }
-    PyErr_SetObject(errtype, value);
-
-    Py_DECREF(errstr);
-    Py_DECREF(value);
-    if (p->start_rule == Py_fstring_input) {
-        PyMem_Free((void *)errmsg);
-    }
-    return NULL;
-
-error:
-    Py_XDECREF(errstr);
-    Py_XDECREF(error_line);
-    if (p->start_rule == Py_fstring_input) {
-        PyMem_Free((void *)errmsg);
-    }
-    return NULL;
-}
-
-void
-_Pypegen_set_syntax_error(Parser* p, Token* last_token) {
-    // Existing sintax error
-    if (PyErr_Occurred()) {
-        // Prioritize tokenizer errors to custom syntax errors raised
-        // on the second phase only if the errors come from the parser.
-        if (p->tok->done == E_DONE && PyErr_ExceptionMatches(PyExc_SyntaxError)) {
-            _PyPegen_tokenize_full_source_to_check_for_errors(p);
-        }
-        // Propagate the existing syntax error.
-        return;
-    }
-    // Initialization error
-    if (p->fill == 0) {
-        RAISE_SYNTAX_ERROR("error at start before reading any input");
-    }
-    // Parser encountered EOF (End of File) unexpectedtly
-    if (last_token->type == ERRORTOKEN && p->tok->done == E_EOF) {
-        if (p->tok->level) {
-            raise_unclosed_parentheses_error(p);
-        } else {
-            RAISE_SYNTAX_ERROR("unexpected EOF while parsing");
-        }
-        return;
-    }
-    // Indentation error in the tokenizer
-    if (last_token->type == INDENT || last_token->type == DEDENT) {
-        RAISE_INDENTATION_ERROR(last_token->type == INDENT ? "unexpected indent" : "unexpected unindent");
-        return;
-    }
-    // Unknown error (generic case)
-
-    // Use the last token we found on the first pass to avoid reporting
-    // incorrect locations for generic syntax errors just because we reached
-    // further away when trying to find specific syntax errors in the second
-    // pass.
-    RAISE_SYNTAX_ERROR_KNOWN_LOCATION(last_token, "invalid syntax");
-    // _PyPegen_tokenize_full_source_to_check_for_errors will override the existing
-    // generic SyntaxError we just raised if errors are found.
-    _PyPegen_tokenize_full_source_to_check_for_errors(p);
-}

diff --git a/Parser/string_parser.c b/Parser/string_parser.c
index c83e63f..dac8dbb 100644 (file)
--- a/Parser/string_parser.c
+++ b/Parser/string_parser.c
@@ -442,12 +442,23 @@ fstring_find_literal(Parser *p, const char **str, const char *end, int raw,
         if (!raw && ch == '\\' && s < end) {
             ch = *s++;
             if (ch == 'N') {
+                /* We need to look at and skip matching braces for "\N{name}"
+                   sequences because otherwise we'll think the opening '{'
+                   starts an expression, which is not the case with "\N".
+                   Keep looking for either a matched '{' '}' pair, or the end
+                   of the string. */
+
                 if (s < end && *s++ == '{') {
                     while (s < end && *s++ != '}') {
                     }
                     continue;
                 }
-                break;
+
+                /* This is an invalid "\N" sequence, since it's a "\N" not
+                   followed by a "{".  Just keep parsing this literal.  This
+                   error will be caught later by
+                   decode_unicode_with_escapes(). */
+                continue;
             }
             if (ch == '{' && warn_invalid_escape_sequence(p, ch, t) < 0) {
                 return -1;
@@ -491,7 +502,8 @@ done:
             *literal = PyUnicode_DecodeUTF8Stateful(literal_start,
                                                     s - literal_start,
                                                     NULL, NULL);
-        } else {
+        }
+        else {
             *literal = decode_unicode_with_escapes(p, literal_start,
                                                    s - literal_start, t);
         }
@@ -654,12 +666,12 @@ fstring_find_expr(Parser *p, const char **str, const char *end, int raw, int rec
                     *str += 1;
                     continue;
                 }
-                /* Don't get out of the loop for these, if they're single
-                   chars (not part of 2-char tokens). If by themselves, they
-                   don't end an expression (unlike say '!'). */
-                if (ch == '>' || ch == '<') {
-                    continue;
-                }
+            }
+            /* Don't get out of the loop for these, if they're single
+               chars (not part of 2-char tokens). If by themselves, they
+               don't end an expression (unlike say '!'). */
+            if (ch == '>' || ch == '<') {
+                continue;
             }
 
             /* Normal way out of this loop. */
@@ -686,10 +698,10 @@ fstring_find_expr(Parser *p, const char **str, const char *end, int raw, int rec
         }
     }
     expr_end = *str;
-    /* If we leave this loop in a string or with mismatched parens, we
-       don't care. We'll get a syntax error when compiling the
-       expression. But, we can produce a better error message, so
-       let's just do that.*/
+    /* If we leave the above loop in a string or with mismatched parens, we
+       don't really care. We'll get a syntax error when compiling the
+       expression. But, we can produce a better error message, so let's just
+       do that.*/
     if (quote_char) {
         RAISE_SYNTAX_ERROR("f-string: unterminated string");
         goto error;

diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 8e9c69d..267ccec 100644 (file)
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -39,7 +39,7 @@
 static struct tok_state *tok_new(void);
 static int tok_nextc(struct tok_state *tok);
 static void tok_backup(struct tok_state *tok, int c);
-
+static int syntaxerror(struct tok_state *tok, const char *format, ...);
 
 /* Spaces in this constant are treated as "zero or more spaces or tabs" when
    tokenizing. */
@@ -854,7 +854,7 @@ tok_underflow_interactive(struct tok_state *tok) {
         tok->done = E_INTERACT_STOP;
         return 1;
     }
-    char *newtok = PyOS_Readline(stdin, stdout, tok->prompt);
+    char *newtok = PyOS_Readline(tok->fp ? tok->fp : stdin, stdout, tok->prompt);
     if (newtok != NULL) {
         char *translated = translate_newlines(newtok, 0, tok);
         PyMem_Free(newtok);
@@ -1030,8 +1030,9 @@ tok_nextc(struct tok_state *tok)
         if (tok->cur != tok->inp) {
             return Py_CHARMASK(*tok->cur++); /* Fast path */
         }
-        if (tok->done != E_OK)
-            return EOF;
+        if (tok->done != E_OK) {
+           return EOF;
+        }
         if (tok->fp == NULL) {
             rc = tok_underflow_string(tok);
         }
@@ -1250,6 +1251,9 @@ verify_end_of_number(struct tok_state *tok, int c, const char *kind)
     else if (c == 'o') {
         r = lookahead(tok, "r");
     }
+    else if (c == 'n') {
+        r = lookahead(tok, "ot");
+    }
     if (r) {
         tok_backup(tok, c);
         if (parser_warn(tok, "invalid %s literal", kind)) {
@@ -1346,6 +1350,24 @@ tok_decimal_tail(struct tok_state *tok)
 
 /* Get next token, after space stripping etc. */
 
+static inline int
+tok_continuation_line(struct tok_state *tok) {
+    int c = tok_nextc(tok);
+    if (c != '\n') {
+        tok->done = E_LINECONT;
+        return -1;
+    }
+    c = tok_nextc(tok);
+    if (c == EOF) {
+        tok->done = E_EOF;
+        tok->cur = tok->inp;
+        return -1;
+    } else {
+        tok_backup(tok, c);
+    }
+    return c;
+}
+
 static int
 tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
 {
@@ -1362,6 +1384,7 @@ tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
         int col = 0;
         int altcol = 0;
         tok->atbol = 0;
+        int cont_line_col = 0;
         for (;;) {
             c = tok_nextc(tok);
             if (c == ' ') {
@@ -1374,14 +1397,23 @@ tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
             else if (c == '\014')  {/* Control-L (formfeed) */
                 col = altcol = 0; /* For Emacs users */
             }
+            else if (c == '\\') {
+                // Indentation cannot be split over multiple physical lines
+                // using backslashes. This means that if we found a backslash
+                // preceded by whitespace, **the first one we find** determines
+                // the level of indentation of whatever comes next.
+                cont_line_col = cont_line_col ? cont_line_col : col;
+                if ((c = tok_continuation_line(tok)) == -1) {
+                    return ERRORTOKEN;
+                }
+            }
             else {
                 break;
             }
         }
         tok_backup(tok, c);
-        if (c == '#' || c == '\n' || c == '\\') {
+        if (c == '#' || c == '\n') {
             /* Lines with only whitespace and/or comments
-               and/or a line continuation character
                shouldn't affect the indentation and are
                not passed to the parser as NEWLINE tokens,
                except *totally* empty lines in interactive
@@ -1402,6 +1434,8 @@ tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
                may need to skip to the end of a comment */
         }
         if (!blankline && tok->level == 0) {
+            col = cont_line_col ? cont_line_col : col;
+            altcol = cont_line_col ? cont_line_col : altcol;
             if (col == tok->indstack[tok->indent]) {
                 /* No change */
                 if (altcol != tok->altindstack[tok->indent]) {
@@ -1933,16 +1967,21 @@ tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
                 tok->line_start = tok->multi_line_start;
                 int start = tok->lineno;
                 tok->lineno = tok->first_lineno;
-
                 if (quote_size == 3) {
-                    return syntaxerror(tok,
-                                       "unterminated triple-quoted string literal"
-                                       " (detected at line %d)", start);
+                    syntaxerror(tok, "unterminated triple-quoted string literal"
+                                     " (detected at line %d)", start);
+                    if (c != '\n') {
+                        tok->done = E_EOFS;
+                    }
+                    return ERRORTOKEN;
                 }
                 else {
-                    return syntaxerror(tok,
-                                       "unterminated string literal (detected at"
-                                       " line %d)", start);
+                    syntaxerror(tok, "unterminated string literal (detected at"
+                                     " line %d)", start);
+                    if (c != '\n') {
+                        tok->done = E_EOLS;
+                    }
+                    return ERRORTOKEN;
                 }
             }
             if (c == quote) {
@@ -1963,18 +2002,8 @@ tok_get(struct tok_state *tok, const char **p_start, const char **p_end)
 
     /* Line continuation */
     if (c == '\\') {
-        c = tok_nextc(tok);
-        if (c != '\n') {
-            tok->done = E_LINECONT;
-            return ERRORTOKEN;
-        }
-        c = tok_nextc(tok);
-        if (c == EOF) {
-            tok->done = E_EOF;
-            tok->cur = tok->inp;
+        if ((c = tok_continuation_line(tok)) == -1) {
             return ERRORTOKEN;
-        } else {
-            tok_backup(tok, c);
         }
         tok->cont_line = 1;
         goto again; /* Read next line */

diff --git a/Python/ceval.c b/Python/ceval.c
index ab10b41..21674e0 100644 (file)
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -6261,9 +6261,12 @@ format_exc_check_arg(PyThreadState *tstate, PyObject *exc,
         PyErr_Fetch(&type, &value, &traceback);
         PyErr_NormalizeException(&type, &value, &traceback);
         if (PyErr_GivenExceptionMatches(value, PyExc_NameError)) {
-            // We do not care if this fails because we are going to restore the
-            // NameError anyway.
-            (void)_PyObject_SetAttrId(value, &PyId_name, obj);
+            PyNameErrorObject* exc = (PyNameErrorObject*) value;
+            if (exc->name == NULL) {
+                // We do not care if this fails because we are going to restore the
+                // NameError anyway.
+                (void)_PyObject_SetAttrId(value, &PyId_name, obj);
+            }
         }
         PyErr_Restore(type, value, traceback);
     }

diff --git a/Python/compile.c b/Python/compile.c
index 3eb34d8..f012406 100644 (file)
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -128,6 +128,8 @@ typedef struct basicblock_ {
     unsigned b_nofallthrough : 1;
     /* Basic block exits scope (it ends with a return or raise) */
     unsigned b_exit : 1;
+    /* Used by compiler passes to mark whether they have visited a basic block. */
+    unsigned b_visited : 1;
     /* depth of stack upon entry of block, computed by stackdepth() */
     int b_startdepth;
     /* instruction offset for block, computed by assemble_jump_offsets() */
@@ -2438,9 +2440,8 @@ compiler_class(struct compiler *c, stmt_ty s)
     /* ultimately generate code for:
          <name> = __build_class__(<func>, <name>, *<bases>, **<keywords>)
        where:
-         <func> is a function/closure created from the class body;
-            it has a single argument (__locals__) where the dict
-            (or MutableSequence) representing the locals is passed
+         <func> is a zero arg function/closure created from the class body.
+            It mutates its locals to build the class namespace.
          <name> is the class name
          <bases> is the positional arguments and *varargs argument
          <keywords> is the keyword arguments and **kwds argument
@@ -6702,6 +6703,31 @@ assemble_emit(struct assembler *a, struct instr *i)
 }
 
 static void
+normalize_jumps(struct assembler *a)
+{
+    for (basicblock *b = a->a_entry; b != NULL; b = b->b_next) {
+        b->b_visited = 0;
+    }
+    for (basicblock *b = a->a_entry; b != NULL; b = b->b_next) {
+        b->b_visited = 1;
+        if (b->b_iused == 0) {
+            continue;
+        }
+        struct instr *last = &b->b_instr[b->b_iused-1];
+        if (last->i_opcode == JUMP_ABSOLUTE) {
+            if (last->i_target->b_visited == 0) {
+                last->i_opcode = JUMP_FORWARD;
+            }
+        }
+        if (last->i_opcode == JUMP_FORWARD) {
+            if (last->i_target->b_visited == 1) {
+                last->i_opcode = JUMP_ABSOLUTE;
+            }
+        }
+    }
+}
+
+static void
 assemble_jump_offsets(struct assembler *a, struct compiler *c)
 {
     basicblock *b;
@@ -7137,6 +7163,10 @@ assemble(struct compiler *c, int addNone)
     }
     propagate_line_numbers(&a);
     guarantee_lineno_for_exits(&a, c->u->u_firstlineno);
+
+    /* Order of basic blocks must have been determined by now */
+    normalize_jumps(&a);
+
     /* Can't modify the bytecode after computing jump offsets. */
     assemble_jump_offsets(&a, c);
 
@@ -7449,7 +7479,6 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts)
                 switch (target->i_opcode) {
                     case JUMP_ABSOLUTE:
                     case JUMP_FORWARD:
-                    case JUMP_IF_FALSE_OR_POP:
                         i -= jump_thread(inst, target, POP_JUMP_IF_FALSE);
                 }
                 break;
@@ -7457,7 +7486,6 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts)
                 switch (target->i_opcode) {
                     case JUMP_ABSOLUTE:
                     case JUMP_FORWARD:
-                    case JUMP_IF_TRUE_OR_POP:
                         i -= jump_thread(inst, target, POP_JUMP_IF_TRUE);
                 }
                 break;

diff --git a/Python/importlib.h b/Python/importlib.h
index ab3e69b..dd1a9f1 100644 (file)
--- a/Python/importlib.h
+++ b/Python/importlib.h
@@ -782,8 +782,8 @@ const unsigned char _Py_M__importlib_bootstrap[] = {
     103,0,110,1,100,2,125,5,124,4,124,0,124,1,124,5,
     100,4,141,3,83,0,124,3,100,2,117,0,114,67,116,0,
     124,1,100,5,131,2,114,65,122,7,124,1,160,4,124,0,
-    161,1,125,3,87,0,113,67,4,0,116,5,121,64,1,0,
-    1,0,1,0,100,2,125,3,89,0,113,67,119,0,100,6,
+    161,1,125,3,87,0,110,13,4,0,116,5,121,64,1,0,
+    1,0,1,0,100,2,125,3,89,0,110,3,119,0,100,6,
     125,3,116,6,124,0,124,1,124,2,124,3,100,7,141,4,
     83,0,41,8,122,53,82,101,116,117,114,110,32,97,32,109,
     111,100,117,108,101,32,115,112,101,99,32,98,97,115,101,100,
@@ -812,9 +812,9 @@ const unsigned char _Py_M__importlib_bootstrap[] = {
     122,5,124,0,106,4,125,5,87,0,110,11,4,0,116,1,
     121,59,1,0,1,0,1,0,100,0,125,5,89,0,110,1,
     119,0,124,2,100,0,117,0,114,87,124,5,100,0,117,0,
-    114,85,122,5,124,1,106,5,125,2,87,0,113,87,4,0,
+    114,85,122,5,124,1,106,5,125,2,87,0,110,13,4,0,
     116,1,121,84,1,0,1,0,1,0,100,0,125,2,89,0,
-    113,87,119,0,124,5,125,2,122,5,124,0,106,6,125,6,
+    110,3,119,0,124,5,125,2,122,5,124,0,106,6,125,6,
     87,0,110,11,4,0,116,1,121,103,1,0,1,0,1,0,
     100,0,125,6,89,0,110,1,119,0,122,7,116,7,124,0,
     106,8,131,1,125,7,87,0,110,11,4,0,116,1,121,122,

diff --git a/Python/importlib_external.h b/Python/importlib_external.h
index bd4d95a..dcf5505 100644 (file)
--- a/Python/importlib_external.h
+++ b/Python/importlib_external.h
@@ -977,8 +977,8 @@ const unsigned char _Py_M__importlib_bootstrap_external[] = {
     8,0,0,0,67,0,0,0,115,54,1,0,0,124,1,100,
     1,117,0,114,29,100,2,125,1,116,0,124,2,100,3,131,
     2,114,28,122,7,124,2,160,1,124,0,161,1,125,1,87,
-    0,113,57,4,0,116,2,121,27,1,0,1,0,1,0,89,
-    0,113,57,119,0,110,28,116,3,160,4,124,1,161,1,125,
+    0,110,38,4,0,116,2,121,27,1,0,1,0,1,0,89,
+    0,110,30,119,0,110,28,116,3,160,4,124,1,161,1,125,
     1,116,5,124,1,131,1,115,57,122,9,116,6,116,3,160,
     7,161,0,124,1,131,2,125,1,87,0,110,9,4,0,116,
     8,121,56,1,0,1,0,1,0,89,0,110,1,119,0,116,
@@ -986,11 +986,11 @@ const unsigned char _Py_M__importlib_bootstrap_external[] = {
     5,124,4,95,11,124,2,100,1,117,0,114,99,116,12,131,
     0,68,0,93,21,92,2,125,5,125,6,124,1,160,13,116,
     14,124,6,131,1,161,1,114,96,124,5,124,0,124,1,131,
-    2,125,2,124,2,124,4,95,15,1,0,113,99,113,75,100,
+    2,125,2,124,2,124,4,95,15,1,0,110,3,113,75,100,
     1,83,0,124,3,116,16,117,0,114,131,116,0,124,2,100,
     6,131,2,114,130,122,7,124,2,160,17,124,0,161,1,125,
     7,87,0,110,9,4,0,116,2,121,124,1,0,1,0,1,
-    0,89,0,113,134,119,0,124,7,114,130,103,0,124,4,95,
+    0,89,0,110,10,119,0,124,7,114,130,103,0,124,4,95,
     18,110,3,124,3,124,4,95,18,124,4,106,18,103,0,107,
     2,114,153,124,1,114,153,116,19,124,1,131,1,100,7,25,
     0,125,8,124,4,106,18,160,20,124,8,161,1,1,0,124,
@@ -1849,917 +1849,923 @@ const unsigned char _Py_M__importlib_bootstrap_external[] = {
     4,8,4,8,3,8,8,8,6,8,6,8,4,2,4,14,
     1,114,30,1,0,0,99,0,0,0,0,0,0,0,0,0,
     0,0,0,0,0,0,0,2,0,0,0,64,0,0,0,115,
-    104,0,0,0,101,0,90,1,100,0,90,2,100,1,90,3,
-    100,2,100,3,132,0,90,4,100,4,100,5,132,0,90,5,
-    100,6,100,7,132,0,90,6,100,8,100,9,132,0,90,7,
-    100,10,100,11,132,0,90,8,100,12,100,13,132,0,90,9,
-    100,14,100,15,132,0,90,10,100,16,100,17,132,0,90,11,
-    100,18,100,19,132,0,90,12,100,20,100,21,132,0,90,13,
-    100,22,100,23,132,0,90,14,100,24,83,0,41,25,218,14,
-    95,78,97,109,101,115,112,97,99,101,80,97,116,104,97,38,
-    1,0,0,82,101,112,114,101,115,101,110,116,115,32,97,32,
-    110,97,109,101,115,112,97,99,101,32,112,97,99,107,97,103,
-    101,39,115,32,112,97,116,104,46,32,32,73,116,32,117,115,
-    101,115,32,116,104,101,32,109,111,100,117,108,101,32,110,97,
-    109,101,10,32,32,32,32,116,111,32,102,105,110,100,32,105,
-    116,115,32,112,97,114,101,110,116,32,109,111,100,117,108,101,
-    44,32,97,110,100,32,102,114,111,109,32,116,104,101,114,101,
-    32,105,116,32,108,111,111,107,115,32,117,112,32,116,104,101,
-    32,112,97,114,101,110,116,39,115,10,32,32,32,32,95,95,
-    112,97,116,104,95,95,46,32,32,87,104,101,110,32,116,104,
-    105,115,32,99,104,97,110,103,101,115,44,32,116,104,101,32,
-    109,111,100,117,108,101,39,115,32,111,119,110,32,112,97,116,
-    104,32,105,115,32,114,101,99,111,109,112,117,116,101,100,44,
-    10,32,32,32,32,117,115,105,110,103,32,112,97,116,104,95,
-    102,105,110,100,101,114,46,32,32,70,111,114,32,116,111,112,
-    45,108,101,118,101,108,32,109,111,100,117,108,101,115,44,32,
-    116,104,101,32,112,97,114,101,110,116,32,109,111,100,117,108,
-    101,39,115,32,112,97,116,104,10,32,32,32,32,105,115,32,
-    115,121,115,46,112,97,116,104,46,99,4,0,0,0,0,0,
-    0,0,0,0,0,0,4,0,0,0,3,0,0,0,67,0,
-    0,0,115,36,0,0,0,124,1,124,0,95,0,124,2,124,
-    0,95,1,116,2,124,0,160,3,161,0,131,1,124,0,95,
-    4,124,3,124,0,95,5,100,0,83,0,114,69,0,0,0,
-    41,6,218,5,95,110,97,109,101,218,5,95,112,97,116,104,
-    114,136,0,0,0,218,16,95,103,101,116,95,112,97,114,101,
-    110,116,95,112,97,116,104,218,17,95,108,97,115,116,95,112,
-    97,114,101,110,116,95,112,97,116,104,218,12,95,112,97,116,
-    104,95,102,105,110,100,101,114,169,4,114,143,0,0,0,114,
-    141,0,0,0,114,65,0,0,0,90,11,112,97,116,104,95,
-    102,105,110,100,101,114,114,7,0,0,0,114,7,0,0,0,
-    114,8,0,0,0,114,236,0,0,0,191,4,0,0,115,8,
-    0,0,0,6,1,6,1,14,1,10,1,122,23,95,78,97,
-    109,101,115,112,97,99,101,80,97,116,104,46,95,95,105,110,
-    105,116,95,95,99,1,0,0,0,0,0,0,0,0,0,0,
-    0,4,0,0,0,3,0,0,0,67,0,0,0,115,38,0,
-    0,0,124,0,106,0,160,1,100,1,161,1,92,3,125,1,
-    125,2,125,3,124,2,100,2,107,2,114,15,100,3,83,0,
-    124,1,100,4,102,2,83,0,41,5,122,62,82,101,116,117,
-    114,110,115,32,97,32,116,117,112,108,101,32,111,102,32,40,
-    112,97,114,101,110,116,45,109,111,100,117,108,101,45,110,97,
-    109,101,44,32,112,97,114,101,110,116,45,112,97,116,104,45,
-    97,116,116,114,45,110,97,109,101,41,114,97,0,0,0,114,
-    10,0,0,0,41,2,114,15,0,0,0,114,65,0,0,0,
-    90,8,95,95,112,97,116,104,95,95,41,2,114,48,1,0,
-    0,114,104,0,0,0,41,4,114,143,0,0,0,114,40,1,
-    0,0,218,3,100,111,116,90,2,109,101,114,7,0,0,0,
-    114,7,0,0,0,114,8,0,0,0,218,23,95,102,105,110,
-    100,95,112,97,114,101,110,116,95,112,97,116,104,95,110,97,
-    109,101,115,197,4,0,0,115,8,0,0,0,18,2,8,1,
-    4,2,8,3,122,38,95,78,97,109,101,115,112,97,99,101,
-    80,97,116,104,46,95,102,105,110,100,95,112,97,114,101,110,
-    116,95,112,97,116,104,95,110,97,109,101,115,99,1,0,0,
-    0,0,0,0,0,0,0,0,0,3,0,0,0,3,0,0,
-    0,67,0,0,0,115,28,0,0,0,124,0,160,0,161,0,
-    92,2,125,1,125,2,116,1,116,2,106,3,124,1,25,0,
-    124,2,131,2,83,0,114,69,0,0,0,41,4,114,55,1,
-    0,0,114,155,0,0,0,114,15,0,0,0,218,7,109,111,
-    100,117,108,101,115,41,3,114,143,0,0,0,90,18,112,97,
-    114,101,110,116,95,109,111,100,117,108,101,95,110,97,109,101,
-    90,14,112,97,116,104,95,97,116,116,114,95,110,97,109,101,
-    114,7,0,0,0,114,7,0,0,0,114,8,0,0,0,114,
-    50,1,0,0,207,4,0,0,115,4,0,0,0,12,1,16,
-    1,122,31,95,78,97,109,101,115,112,97,99,101,80,97,116,
-    104,46,95,103,101,116,95,112,97,114,101,110,116,95,112,97,
-    116,104,99,1,0,0,0,0,0,0,0,0,0,0,0,3,
-    0,0,0,4,0,0,0,67,0,0,0,115,80,0,0,0,
-    116,0,124,0,160,1,161,0,131,1,125,1,124,1,124,0,
-    106,2,107,3,114,37,124,0,160,3,124,0,106,4,124,1,
-    161,2,125,2,124,2,100,0,117,1,114,34,124,2,106,5,
-    100,0,117,0,114,34,124,2,106,6,114,34,124,2,106,6,
-    124,0,95,7,124,1,124,0,95,2,124,0,106,7,83,0,
-    114,69,0,0,0,41,8,114,136,0,0,0,114,50,1,0,
-    0,114,51,1,0,0,114,52,1,0,0,114,48,1,0,0,
-    114,164,0,0,0,114,202,0,0,0,114,49,1,0,0,41,
-    3,114,143,0,0,0,90,11,112,97,114,101,110,116,95,112,
-    97,116,104,114,210,0,0,0,114,7,0,0,0,114,7,0,
-    0,0,114,8,0,0,0,218,12,95,114,101,99,97,108,99,
-    117,108,97,116,101,211,4,0,0,115,16,0,0,0,12,2,
-    10,1,14,1,18,3,6,1,8,1,6,1,6,1,122,27,
-    95,78,97,109,101,115,112,97,99,101,80,97,116,104,46,95,
-    114,101,99,97,108,99,117,108,97,116,101,99,1,0,0,0,
-    0,0,0,0,0,0,0,0,1,0,0,0,3,0,0,0,
-    67,0,0,0,243,12,0,0,0,116,0,124,0,160,1,161,
-    0,131,1,83,0,114,69,0,0,0,41,2,218,4,105,116,
-    101,114,114,57,1,0,0,114,21,1,0,0,114,7,0,0,
-    0,114,7,0,0,0,114,8,0,0,0,218,8,95,95,105,
-    116,101,114,95,95,224,4,0,0,243,2,0,0,0,12,1,
-    122,23,95,78,97,109,101,115,112,97,99,101,80,97,116,104,
-    46,95,95,105,116,101,114,95,95,99,2,0,0,0,0,0,
-    0,0,0,0,0,0,2,0,0,0,2,0,0,0,67,0,
-    0,0,115,12,0,0,0,124,0,160,0,161,0,124,1,25,
-    0,83,0,114,69,0,0,0,169,1,114,57,1,0,0,41,
-    2,114,143,0,0,0,218,5,105,110,100,101,120,114,7,0,
-    0,0,114,7,0,0,0,114,8,0,0,0,218,11,95,95,
-    103,101,116,105,116,101,109,95,95,227,4,0,0,114,61,1,
-    0,0,122,26,95,78,97,109,101,115,112,97,99,101,80,97,
-    116,104,46,95,95,103,101,116,105,116,101,109,95,95,99,3,
-    0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,3,
-    0,0,0,67,0,0,0,115,14,0,0,0,124,2,124,0,
-    106,0,124,1,60,0,100,0,83,0,114,69,0,0,0,41,
-    1,114,49,1,0,0,41,3,114,143,0,0,0,114,63,1,
-    0,0,114,65,0,0,0,114,7,0,0,0,114,7,0,0,
-    0,114,8,0,0,0,218,11,95,95,115,101,116,105,116,101,
-    109,95,95,230,4,0,0,115,2,0,0,0,14,1,122,26,
-    95,78,97,109,101,115,112,97,99,101,80,97,116,104,46,95,
-    95,115,101,116,105,116,101,109,95,95,99,1,0,0,0,0,
-    0,0,0,0,0,0,0,1,0,0,0,3,0,0,0,67,
-    0,0,0,114,58,1,0,0,114,69,0,0,0,41,2,114,
-    4,0,0,0,114,57,1,0,0,114,21,1,0,0,114,7,
-    0,0,0,114,7,0,0,0,114,8,0,0,0,218,7,95,
-    95,108,101,110,95,95,233,4,0,0,114,61,1,0,0,122,
-    22,95,78,97,109,101,115,112,97,99,101,80,97,116,104,46,
-    95,95,108,101,110,95,95,99,1,0,0,0,0,0,0,0,
-    0,0,0,0,1,0,0,0,3,0,0,0,67,0,0,0,
-    243,12,0,0,0,100,1,160,0,124,0,106,1,161,1,83,
-    0,41,2,78,122,20,95,78,97,109,101,115,112,97,99,101,
-    80,97,116,104,40,123,33,114,125,41,41,2,114,89,0,0,
-    0,114,49,1,0,0,114,21,1,0,0,114,7,0,0,0,
-    114,7,0,0,0,114,8,0,0,0,218,8,95,95,114,101,
-    112,114,95,95,236,4,0,0,114,61,1,0,0,122,23,95,
-    78,97,109,101,115,112,97,99,101,80,97,116,104,46,95,95,
-    114,101,112,114,95,95,99,2,0,0,0,0,0,0,0,0,
-    0,0,0,2,0,0,0,3,0,0,0,67,0,0,0,115,
-    12,0,0,0,124,1,124,0,160,0,161,0,118,0,83,0,
-    114,69,0,0,0,114,62,1,0,0,169,2,114,143,0,0,
-    0,218,4,105,116,101,109,114,7,0,0,0,114,7,0,0,
-    0,114,8,0,0,0,218,12,95,95,99,111,110,116,97,105,
-    110,115,95,95,239,4,0,0,114,61,1,0,0,122,27,95,
-    78,97,109,101,115,112,97,99,101,80,97,116,104,46,95,95,
-    99,111,110,116,97,105,110,115,95,95,99,2,0,0,0,0,
-    0,0,0,0,0,0,0,2,0,0,0,3,0,0,0,67,
-    0,0,0,115,16,0,0,0,124,0,106,0,160,1,124,1,
-    161,1,1,0,100,0,83,0,114,69,0,0,0,41,2,114,
-    49,1,0,0,114,61,0,0,0,114,69,1,0,0,114,7,
-    0,0,0,114,7,0,0,0,114,8,0,0,0,114,61,0,
-    0,0,242,4,0,0,243,2,0,0,0,16,1,122,21,95,
-    78,97,109,101,115,112,97,99,101,80,97,116,104,46,97,112,
-    112,101,110,100,78,41,15,114,150,0,0,0,114,149,0,0,
-    0,114,151,0,0,0,114,152,0,0,0,114,236,0,0,0,
-    114,55,1,0,0,114,50,1,0,0,114,57,1,0,0,114,
-    60,1,0,0,114,64,1,0,0,114,65,1,0,0,114,66,
-    1,0,0,114,68,1,0,0,114,71,1,0,0,114,61,0,
-    0,0,114,7,0,0,0,114,7,0,0,0,114,7,0,0,
-    0,114,8,0,0,0,114,47,1,0,0,184,4,0,0,115,
-    26,0,0,0,8,0,4,1,8,6,8,6,8,10,8,4,
-    8,13,8,3,8,3,8,3,8,3,8,3,12,3,114,47,
-    1,0,0,99,0,0,0,0,0,0,0,0,0,0,0,0,
-    0,0,0,0,3,0,0,0,64,0,0,0,115,88,0,0,
-    0,101,0,90,1,100,0,90,2,100,1,100,2,132,0,90,
-    3,101,4,100,3,100,4,132,0,131,1,90,5,100,5,100,
-    6,132,0,90,6,100,7,100,8,132,0,90,7,100,9,100,
-    10,132,0,90,8,100,11,100,12,132,0,90,9,100,13,100,
-    14,132,0,90,10,100,15,100,16,132,0,90,11,100,17,100,
-    18,132,0,90,12,100,19,83,0,41,20,218,16,95,78,97,
-    109,101,115,112,97,99,101,76,111,97,100,101,114,99,4,0,
-    0,0,0,0,0,0,0,0,0,0,4,0,0,0,4,0,
-    0,0,67,0,0,0,115,18,0,0,0,116,0,124,1,124,
-    2,124,3,131,3,124,0,95,1,100,0,83,0,114,69,0,
-    0,0,41,2,114,47,1,0,0,114,49,1,0,0,114,53,
+    108,0,0,0,101,0,90,1,100,0,90,2,100,1,90,3,
+    100,2,90,4,100,3,100,4,132,0,90,5,100,5,100,6,
+    132,0,90,6,100,7,100,8,132,0,90,7,100,9,100,10,
+    132,0,90,8,100,11,100,12,132,0,90,9,100,13,100,14,
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-    0,0,0,0,0,0,0,0,0,3,0,0,0,64,0,0,
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     109,111,118,97,108,32,105,110,32,80,121,116,104,111,110,32,
     51,46,49,50,59,32,117,115,101,32,102,105,110,100,95,115,
-    112,101,99,40,41,32,105,110,115,116,101,97,100,78,41,6,
-    114,99,0,0,0,114,100,0,0,0,114,101,0,0,0,114,
-    226,0,0,0,114,164,0,0,0,114,202,0,0,0,41,3,
-    114,143,0,0,0,114,163,0,0,0,114,210,0,0,0,114,
-    7,0,0,0,114,7,0,0,0,114,8,0,0,0,114,161,
-    0,0,0,227,5,0,0,115,14,0,0,0,6,7,2,2,
-    4,254,10,3,8,1,8,1,16,1,122,22,70,105,108,101,
-    70,105,110,100,101,114,46,102,105,110,100,95,108,111,97,100,
-    101,114,99,6,0,0,0,0,0,0,0,0,0,0,0,7,
-    0,0,0,6,0,0,0,67,0,0,0,115,26,0,0,0,
-    124,1,124,2,124,3,131,2,125,6,116,0,124,2,124,3,
-    124,6,124,4,100,1,141,4,83,0,41,2,78,114,201,0,
-    0,0,41,1,114,213,0,0,0,41,7,114,143,0,0,0,
-    114,211,0,0,0,114,163,0,0,0,114,65,0,0,0,90,
-    4,115,109,115,108,114,225,0,0,0,114,164,0,0,0,114,
-    7,0,0,0,114,7,0,0,0,114,8,0,0,0,114,91,
-    1,0,0,242,5,0,0,115,8,0,0,0,10,1,8,1,
-    2,1,6,255,122,20,70,105,108,101,70,105,110,100,101,114,
-    46,95,103,101,116,95,115,112,101,99,78,99,3,0,0,0,
-    0,0,0,0,0,0,0,0,14,0,0,0,9,0,0,0,
-    67,0,0,0,115,122,1,0,0,100,1,125,3,124,1,160,
-    0,100,2,161,1,100,3,25,0,125,4,122,12,116,1,124,
-    0,106,2,112,17,116,3,160,4,161,0,131,1,106,5,125,
-    5,87,0,110,11,4,0,116,6,121,32,1,0,1,0,1,
-    0,100,4,125,5,89,0,110,1,119,0,124,5,124,0,106,
-    7,107,3,114,45,124,0,160,8,161,0,1,0,124,5,124,
-    0,95,7,116,9,131,0,114,56,124,0,106,10,125,6,124,
-    4,160,11,161,0,125,7,110,5,124,0,106,12,125,6,124,
-    4,125,7,124,7,124,6,118,0,114,108,116,13,124,0,106,
-    2,124,4,131,2,125,8,124,0,106,14,68,0,93,29,92,
-    2,125,9,125,10,100,5,124,9,23,0,125,11,116,13,124,
-    8,124,11,131,2,125,12,116,15,124,12,131,1,114,103,124,
-    0,160,16,124,10,124,1,124,12,124,8,103,1,124,2,161,
-    5,2,0,1,0,83,0,113,74,116,17,124,8,131,1,125,
-    3,124,0,106,14,68,0,93,55,92,2,125,9,125,10,122,
-    10,116,13,124,0,106,2,124,4,124,9,23,0,131,2,125,
-    12,87,0,110,11,4,0,116,18,121,136,1,0,1,0,1,
-    0,89,0,1,0,100,6,83,0,119,0,116,19,106,20,100,
-    7,124,12,100,3,100,8,141,3,1,0,124,7,124,9,23,
-    0,124,6,118,0,114,166,116,15,124,12,131,1,114,166,124,
-    0,160,16,124,10,124,1,124,12,100,6,124,2,161,5,2,
-    0,1,0,83,0,113,111,124,3,114,187,116,19,160,20,100,
-    9,124,8,161,2,1,0,116,19,160,21,124,1,100,6,161,
-    2,125,13,124,8,103,1,124,13,95,22,124,13,83,0,100,
-    6,83,0,41,10,122,111,84,114,121,32,116,111,32,102,105,
-    110,100,32,97,32,115,112,101,99,32,102,111,114,32,116,104,
-    101,32,115,112,101,99,105,102,105,101,100,32,109,111,100,117,
-    108,101,46,10,10,32,32,32,32,32,32,32,32,82,101,116,
-    117,114,110,115,32,116,104,101,32,109,97,116,99,104,105,110,
-    103,32,115,112,101,99,44,32,111,114,32,78,111,110,101,32,
-    105,102,32,110,111,116,32,102,111,117,110,100,46,10,32,32,
-    32,32,32,32,32,32,70,114,97,0,0,0,114,44,0,0,
-    0,114,130,0,0,0,114,236,0,0,0,78,122,9,116,114,
-    121,105,110,103,32,123,125,41,1,90,9,118,101,114,98,111,
-    115,105,116,121,122,25,112,111,115,115,105,98,108,101,32,110,
-    97,109,101,115,112,97,99,101,32,102,111,114,32,123,125,41,
-    23,114,104,0,0,0,114,75,0,0,0,114,65,0,0,0,
-    114,18,0,0,0,114,82,0,0,0,114,35,1,0,0,114,
-    76,0,0,0,114,97,1,0,0,218,11,95,102,105,108,108,
-    95,99,97,99,104,101,114,21,0,0,0,114,100,1,0,0,
-    114,131,0,0,0,114,99,1,0,0,114,67,0,0,0,114,
-    96,1,0,0,114,80,0,0,0,114,91,1,0,0,114,83,
-    0,0,0,114,111,0,0,0,114,159,0,0,0,114,173,0,
-    0,0,114,207,0,0,0,114,202,0,0,0,41,14,114,143,
-    0,0,0,114,163,0,0,0,114,225,0,0,0,90,12,105,
-    115,95,110,97,109,101,115,112,97,99,101,90,11,116,97,105,
-    108,95,109,111,100,117,108,101,114,193,0,0,0,90,5,99,
-    97,99,104,101,90,12,99,97,99,104,101,95,109,111,100,117,
-    108,101,90,9,98,97,115,101,95,112,97,116,104,114,44,1,
-    0,0,114,211,0,0,0,90,13,105,110,105,116,95,102,105,
-    108,101,110,97,109,101,90,9,102,117,108,108,95,112,97,116,
-    104,114,210,0,0,0,114,7,0,0,0,114,7,0,0,0,
-    114,8,0,0,0,114,226,0,0,0,247,5,0,0,115,86,
-    0,0,0,4,5,14,1,2,1,24,1,12,1,8,1,2,
-    255,10,2,8,1,6,1,6,2,6,1,10,1,6,2,4,
-    1,8,2,12,1,14,1,8,1,10,1,8,1,24,1,2,
-    255,8,5,14,2,2,1,20,1,12,1,8,1,2,255,16,
-    2,12,1,8,1,10,1,4,1,8,255,2,128,4,2,12,
-    1,12,1,8,1,4,1,4,1,122,20,70,105,108,101,70,
-    105,110,100,101,114,46,102,105,110,100,95,115,112,101,99,99,
-    1,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,
-    10,0,0,0,67,0,0,0,115,192,0,0,0,124,0,106,
-    0,125,1,122,11,116,1,160,2,124,1,112,11,116,1,160,
-    3,161,0,161,1,125,2,87,0,110,14,4,0,116,4,116,
-    5,116,6,102,3,121,28,1,0,1,0,1,0,103,0,125,
-    2,89,0,110,1,119,0,116,7,106,8,160,9,100,1,161,
-    1,115,41,116,10,124,2,131,1,124,0,95,11,110,37,116,
-    10,131,0,125,3,124,2,68,0,93,28,125,4,124,4,160,
-    12,100,2,161,1,92,3,125,5,125,6,125,7,124,6,114,
-    67,100,3,160,13,124,5,124,7,160,14,161,0,161,2,125,
-    8,110,2,124,5,125,8,124,3,160,15,124,8,161,1,1,
-    0,113,46,124,3,124,0,95,11,116,7,106,8,160,9,116,
-    16,161,1,114,94,100,4,100,5,132,0,124,2,68,0,131,
-    1,124,0,95,17,100,6,83,0,100,6,83,0,41,7,122,
-    68,70,105,108,108,32,116,104,101,32,99,97,99,104,101,32,
-    111,102,32,112,111,116,101,110,116,105,97,108,32,109,111,100,
-    117,108,101,115,32,97,110,100,32,112,97,99,107,97,103,101,
-    115,32,102,111,114,32,116,104,105,115,32,100,105,114,101,99,
-    116,111,114,121,46,114,14,0,0,0,114,97,0,0,0,114,
-    88,0,0,0,99,1,0,0,0,0,0,0,0,0,0,0,
-    0,2,0,0,0,4,0,0,0,83,0,0,0,115,20,0,
-    0,0,104,0,124,0,93,6,125,1,124,1,160,0,161,0,
-    146,2,113,2,83,0,114,7,0,0,0,41,1,114,131,0,
-    0,0,41,2,114,5,0,0,0,90,2,102,110,114,7,0,
-    0,0,114,7,0,0,0,114,8,0,0,0,114,13,0,0,
-    0,71,6,0,0,115,2,0,0,0,20,0,122,41,70,105,
-    108,101,70,105,110,100,101,114,46,95,102,105,108,108,95,99,
-    97,99,104,101,46,60,108,111,99,97,108,115,62,46,60,115,
-    101,116,99,111,109,112,62,78,41,18,114,65,0,0,0,114,
-    18,0,0,0,90,7,108,105,115,116,100,105,114,114,82,0,
-    0,0,114,85,1,0,0,218,15,80,101,114,109,105,115,115,
-    105,111,110,69,114,114,111,114,218,18,78,111,116,65,68,105,
-    114,101,99,116,111,114,121,69,114,114,111,114,114,15,0,0,
-    0,114,25,0,0,0,114,26,0,0,0,114,98,1,0,0,
-    114,99,1,0,0,114,126,0,0,0,114,89,0,0,0,114,
-    131,0,0,0,218,3,97,100,100,114,27,0,0,0,114,100,
-    1,0,0,41,9,114,143,0,0,0,114,65,0,0,0,90,
-    8,99,111,110,116,101,110,116,115,90,21,108,111,119,101,114,
-    95,115,117,102,102,105,120,95,99,111,110,116,101,110,116,115,
-    114,70,1,0,0,114,141,0,0,0,114,54,1,0,0,114,
-    44,1,0,0,90,8,110,101,119,95,110,97,109,101,114,7,
-    0,0,0,114,7,0,0,0,114,8,0,0,0,114,102,1,
-    0,0,42,6,0,0,115,38,0,0,0,6,2,2,1,22,
-    1,18,1,8,3,2,253,12,6,12,1,6,7,8,1,16,
-    1,4,1,18,1,4,2,12,1,6,1,12,1,20,1,4,
-    255,122,22,70,105,108,101,70,105,110,100,101,114,46,95,102,
-    105,108,108,95,99,97,99,104,101,99,1,0,0,0,0,0,
-    0,0,0,0,0,0,3,0,0,0,3,0,0,0,7,0,
-    0,0,115,18,0,0,0,135,0,135,1,102,2,100,1,100,
-    2,132,8,125,2,124,2,83,0,41,3,97,20,1,0,0,
-    65,32,99,108,97,115,115,32,109,101,116,104,111,100,32,119,
-    104,105,99,104,32,114,101,116,117,114,110,115,32,97,32,99,
-    108,111,115,117,114,101,32,116,111,32,117,115,101,32,111,110,
-    32,115,121,115,46,112,97,116,104,95,104,111,111,107,10,32,
-    32,32,32,32,32,32,32,119,104,105,99,104,32,119,105,108,
-    108,32,114,101,116,117,114,110,32,97,110,32,105,110,115,116,
-    97,110,99,101,32,117,115,105,110,103,32,116,104,101,32,115,
-    112,101,99,105,102,105,101,100,32,108,111,97,100,101,114,115,
-    32,97,110,100,32,116,104,101,32,112,97,116,104,10,32,32,
-    32,32,32,32,32,32,99,97,108,108,101,100,32,111,110,32,
-    116,104,101,32,99,108,111,115,117,114,101,46,10,10,32,32,
-    32,32,32,32,32,32,73,102,32,116,104,101,32,112,97,116,
-    104,32,99,97,108,108,101,100,32,111,110,32,116,104,101,32,
-    99,108,111,115,117,114,101,32,105,115,32,110,111,116,32,97,
-    32,100,105,114,101,99,116,111,114,121,44,32,73,109,112,111,
-    114,116,69,114,114,111,114,32,105,115,10,32,32,32,32,32,
-    32,32,32,114,97,105,115,101,100,46,10,10,32,32,32,32,
-    32,32,32,32,99,1,0,0,0,0,0,0,0,0,0,0,
-    0,1,0,0,0,4,0,0,0,19,0,0,0,115,36,0,
-    0,0,116,0,124,0,131,1,115,10,116,1,100,1,124,0,
-    100,2,141,2,130,1,136,0,124,0,103,1,136,1,162,1,
-    82,0,142,0,83,0,41,3,122,45,80,97,116,104,32,104,
-    111,111,107,32,102,111,114,32,105,109,112,111,114,116,108,105,
-    98,46,109,97,99,104,105,110,101,114,121,46,70,105,108,101,
-    70,105,110,100,101,114,46,122,30,111,110,108,121,32,100,105,
-    114,101,99,116,111,114,105,101,115,32,97,114,101,32,115,117,
-    112,112,111,114,116,101,100,114,71,0,0,0,41,2,114,83,
-    0,0,0,114,142,0,0,0,114,71,0,0,0,169,2,114,
-    221,0,0,0,114,101,1,0,0,114,7,0,0,0,114,8,
-    0,0,0,218,24,112,97,116,104,95,104,111,111,107,95,102,
-    111,114,95,70,105,108,101,70,105,110,100,101,114,83,6,0,
-    0,115,6,0,0,0,8,2,12,1,16,1,122,54,70,105,
-    108,101,70,105,110,100,101,114,46,112,97,116,104,95,104,111,
-    111,107,46,60,108,111,99,97,108,115,62,46,112,97,116,104,
-    95,104,111,111,107,95,102,111,114,95,70,105,108,101,70,105,
-    110,100,101,114,114,7,0,0,0,41,3,114,221,0,0,0,
-    114,101,1,0,0,114,107,1,0,0,114,7,0,0,0,114,
-    106,1,0,0,114,8,0,0,0,218,9,112,97,116,104,95,
-    104,111,111,107,73,6,0,0,115,4,0,0,0,14,10,4,
-    6,122,20,70,105,108,101,70,105,110,100,101,114,46,112,97,
-    116,104,95,104,111,111,107,99,1,0,0,0,0,0,0,0,
-    0,0,0,0,1,0,0,0,3,0,0,0,67,0,0,0,
-    114,67,1,0,0,41,2,78,122,16,70,105,108,101,70,105,
-    110,100,101,114,40,123,33,114,125,41,41,2,114,89,0,0,
-    0,114,65,0,0,0,114,21,1,0,0,114,7,0,0,0,
-    114,7,0,0,0,114,8,0,0,0,114,68,1,0,0,91,
-    6,0,0,114,61,1,0,0,122,19,70,105,108,101,70,105,
-    110,100,101,114,46,95,95,114,101,112,114,95,95,114,69,0,
-    0,0,41,15,114,150,0,0,0,114,149,0,0,0,114,151,
-    0,0,0,114,152,0,0,0,114,236,0,0,0,114,78,1,
-    0,0,114,167,0,0,0,114,229,0,0,0,114,161,0,0,
-    0,114,91,1,0,0,114,226,0,0,0,114,102,1,0,0,
-    114,234,0,0,0,114,108,1,0,0,114,68,1,0,0,114,
-    7,0,0,0,114,7,0,0,0,114,7,0,0,0,114,8,
-    0,0,0,114,94,1,0,0,196,5,0,0,115,24,0,0,
-    0,8,0,4,2,8,7,8,16,4,4,8,2,8,15,10,
-    5,8,51,2,31,10,1,12,17,114,94,1,0,0,99,4,
-    0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,8,
-    0,0,0,67,0,0,0,115,144,0,0,0,124,0,160,0,
-    100,1,161,1,125,4,124,0,160,0,100,2,161,1,125,5,
-    124,4,115,33,124,5,114,18,124,5,106,1,125,4,110,15,
-    124,2,124,3,107,2,114,28,116,2,124,1,124,2,131,2,
-    125,4,110,5,116,3,124,1,124,2,131,2,125,4,124,5,
-    115,42,116,4,124,1,124,2,124,4,100,3,141,3,125,5,
-    122,19,124,5,124,0,100,2,60,0,124,4,124,0,100,1,
-    60,0,124,2,124,0,100,4,60,0,124,3,124,0,100,5,
-    60,0,87,0,100,0,83,0,4,0,116,5,121,71,1,0,
-    1,0,1,0,89,0,100,0,83,0,119,0,41,6,78,218,
-    10,95,95,108,111,97,100,101,114,95,95,218,8,95,95,115,
-    112,101,99,95,95,114,95,1,0,0,90,8,95,95,102,105,
-    108,101,95,95,90,10,95,95,99,97,99,104,101,100,95,95,
-    41,6,218,3,103,101,116,114,164,0,0,0,114,41,1,0,
-    0,114,34,1,0,0,114,213,0,0,0,218,9,69,120,99,
-    101,112,116,105,111,110,41,6,90,2,110,115,114,141,0,0,
-    0,90,8,112,97,116,104,110,97,109,101,90,9,99,112,97,
-    116,104,110,97,109,101,114,164,0,0,0,114,210,0,0,0,
-    114,7,0,0,0,114,7,0,0,0,114,8,0,0,0,218,
-    14,95,102,105,120,95,117,112,95,109,111,100,117,108,101,97,
-    6,0,0,115,36,0,0,0,10,2,10,1,4,1,4,1,
-    8,1,8,1,12,1,10,2,4,1,14,1,2,1,8,1,
-    8,1,8,1,14,1,12,1,6,2,2,254,114,113,1,0,
-    0,99,0,0,0,0,0,0,0,0,0,0,0,0,3,0,
-    0,0,3,0,0,0,67,0,0,0,115,38,0,0,0,116,
-    0,116,1,160,2,161,0,102,2,125,0,116,3,116,4,102,
-    2,125,1,116,5,116,6,102,2,125,2,124,0,124,1,124,
-    2,103,3,83,0,41,1,122,95,82,101,116,117,114,110,115,
-    32,97,32,108,105,115,116,32,111,102,32,102,105,108,101,45,
-    98,97,115,101,100,32,109,111,100,117,108,101,32,108,111,97,
-    100,101,114,115,46,10,10,32,32,32,32,69,97,99,104,32,
-    105,116,101,109,32,105,115,32,97,32,116,117,112,108,101,32,
-    40,108,111,97,100,101,114,44,32,115,117,102,102,105,120,101,
-    115,41,46,10,32,32,32,32,41,7,114,30,1,0,0,114,
-    187,0,0,0,218,18,101,120,116,101,110,115,105,111,110,95,
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+    0,0,0,1,0,0,0,67,0,0,0,115,8,0,0,0,
+    124,0,97,0,100,0,83,0,114,69,0,0,0,41,1,114,
+    159,0,0,0,41,1,218,17,95,98,111,111,116,115,116,114,
+    97,112,95,109,111,100,117,108,101,114,7,0,0,0,114,7,
+    0,0,0,114,8,0,0,0,218,21,95,115,101,116,95,98,
+    111,111,116,115,116,114,97,112,95,109,111,100,117,108,101,140,
+    6,0,0,115,2,0,0,0,8,2,114,118,1,0,0,99,
+    1,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,
+    4,0,0,0,67,0,0,0,115,50,0,0,0,116,0,124,
+    0,131,1,1,0,116,1,131,0,125,1,116,2,106,3,160,
+    4,116,5,106,6,124,1,142,0,103,1,161,1,1,0,116,
+    2,106,7,160,8,116,9,161,1,1,0,100,1,83,0,41,
+    2,122,41,73,110,115,116,97,108,108,32,116,104,101,32,112,
+    97,116,104,45,98,97,115,101,100,32,105,109,112,111,114,116,
+    32,99,111,109,112,111,110,101,110,116,115,46,78,41,10,114,
+    118,1,0,0,114,208,0,0,0,114,15,0,0,0,114,85,
+    1,0,0,114,191,0,0,0,114,96,1,0,0,114,110,1,
+    0,0,218,9,109,101,116,97,95,112,97,116,104,114,61,0,
+    0,0,114,79,1,0,0,41,2,114,117,1,0,0,90,17,
+    115,117,112,112,111,114,116,101,100,95,108,111,97,100,101,114,
+    115,114,7,0,0,0,114,7,0,0,0,114,8,0,0,0,
+    218,8,95,105,110,115,116,97,108,108,145,6,0,0,115,8,
+    0,0,0,8,2,6,1,20,1,16,1,114,120,1,0,0,
+    41,1,114,87,0,0,0,114,69,0,0,0,41,3,78,78,
+    78,41,2,114,0,0,0,0,114,0,0,0,0,41,1,84,
+    41,85,114,152,0,0,0,114,159,0,0,0,114,187,0,0,
+    0,114,91,0,0,0,114,15,0,0,0,114,99,0,0,0,
+    114,184,0,0,0,114,25,0,0,0,114,231,0,0,0,90,
+    2,110,116,114,18,0,0,0,114,215,0,0,0,90,5,112,
+    111,115,105,120,114,50,0,0,0,218,3,97,108,108,114,59,
+    0,0,0,114,136,0,0,0,114,57,0,0,0,114,62,0,
+    0,0,90,20,95,112,97,116,104,115,101,112,115,95,119,105,
+    116,104,95,99,111,108,111,110,114,28,0,0,0,90,37,95,
+    67,65,83,69,95,73,78,83,69,78,83,73,84,73,86,69,
+    95,80,76,65,84,70,79,82,77,83,95,66,89,84,69,83,
+    95,75,69,89,114,27,0,0,0,114,29,0,0,0,114,21,
+    0,0,0,114,36,0,0,0,114,42,0,0,0,114,45,0,
+    0,0,114,67,0,0,0,114,74,0,0,0,114,75,0,0,
+    0,114,79,0,0,0,114,80,0,0,0,114,83,0,0,0,
+    114,86,0,0,0,114,95,0,0,0,218,4,116,121,112,101,
+    218,8,95,95,99,111,100,101,95,95,114,186,0,0,0,114,
+    34,0,0,0,114,172,0,0,0,114,33,0,0,0,114,39,
+    0,0,0,114,8,1,0,0,114,116,0,0,0,114,112,0,
+    0,0,114,127,0,0,0,114,61,0,0,0,114,116,1,0,
+    0,114,232,0,0,0,114,113,0,0,0,90,23,68,69,66,
+    85,71,95,66,89,84,69,67,79,68,69,95,83,85,70,70,
+    73,88,69,83,90,27,79,80,84,73,77,73,90,69,68,95,
+    66,89,84,69,67,79,68,69,95,83,85,70,70,73,88,69,
+    83,114,121,0,0,0,114,128,0,0,0,114,135,0,0,0,
+    114,137,0,0,0,114,139,0,0,0,114,160,0,0,0,114,
+    167,0,0,0,114,176,0,0,0,114,180,0,0,0,114,182,
+    0,0,0,114,189,0,0,0,114,194,0,0,0,114,195,0,
+    0,0,114,200,0,0,0,218,6,111,98,106,101,99,116,114,
+    209,0,0,0,114,213,0,0,0,114,214,0,0,0,114,235,
+    0,0,0,114,249,0,0,0,114,11,1,0,0,114,34,1,
+    0,0,114,41,1,0,0,114,30,1,0,0,114,47,1,0,
+    0,114,75,1,0,0,114,79,1,0,0,114,96,1,0,0,
+    114,115,1,0,0,114,208,0,0,0,114,118,1,0,0,114,
+    120,1,0,0,114,7,0,0,0,114,7,0,0,0,114,7,
+    0,0,0,114,8,0,0,0,218,8,60,109,111,100,117,108,
+    101,62,1,0,0,0,115,180,0,0,0,4,0,4,22,8,
+    3,8,1,8,1,8,1,8,1,10,3,4,1,8,1,10,
+    1,8,2,4,3,10,1,6,2,22,2,8,1,8,1,10,
+    1,14,1,4,4,4,1,2,1,2,1,4,255,8,4,6,
+    16,8,3,8,5,8,5,4,6,10,1,8,30,8,6,8,
+    8,8,10,8,9,8,5,4,7,10,1,8,8,10,5,10,
+    22,0,127,16,30,12,1,4,2,4,1,6,2,4,1,10,
+    1,8,2,6,2,8,2,16,2,8,71,8,40,8,19,8,
+    12,8,12,8,31,8,20,8,33,8,28,10,24,10,13,10,
+    10,8,11,6,14,4,3,2,1,12,255,14,73,14,67,16,
+    30,0,127,14,17,18,50,18,45,18,25,14,53,14,69,14,
+    49,0,127,14,32,0,127,10,30,8,23,8,11,12,5,
 };

diff --git a/Python/importlib_zipimport.h b/Python/importlib_zipimport.h
index 07c9dd5..3c47684 100644 (file)
--- a/Python/importlib_zipimport.h
+++ b/Python/importlib_zipimport.h
@@ -130,7 +130,7 @@ const unsigned char _Py_M__zipimport[] = {
     3,141,2,130,1,124,5,125,1,124,3,160,13,124,6,161,
     1,1,0,89,0,110,15,119,0,124,4,106,14,100,6,64,
     0,100,7,107,3,114,89,116,4,100,5,124,1,100,3,141,
-    2,130,1,113,91,113,33,122,6,116,15,124,1,25,0,125,
+    2,130,1,110,1,113,33,122,6,116,15,124,1,25,0,125,
     7,87,0,110,17,4,0,116,16,121,114,1,0,1,0,1,
     0,116,17,124,1,131,1,125,7,124,7,116,15,124,1,60,
     0,89,0,110,1,119,0,124,7,124,0,95,18,124,1,124,
@@ -653,7 +653,7 @@ const unsigned char _Py_M__zipimport[] = {
     100,2,141,2,130,1,119,0,9,0,124,1,160,7,100,16,
     161,1,125,3,116,8,124,3,131,1,100,5,107,0,144,1,
     114,55,116,14,100,17,131,1,130,1,124,3,100,0,100,5,
-    133,2,25,0,100,18,107,3,144,1,114,66,144,2,113,85,
+    133,2,25,0,100,18,107,3,144,1,114,66,144,1,110,19,
     116,8,124,3,131,1,100,16,107,3,144,1,114,77,116,14,
     100,17,131,1,130,1,116,15,124,3,100,19,100,20,133,2,
     25,0,131,1,125,13,116,15,124,3,100,20,100,9,133,2,
@@ -1004,9 +1004,9 @@ const unsigned char _Py_M__zipimport[] = {
     1,0,1,0,89,0,113,9,119,0,124,8,100,4,25,0,
     125,9,116,8,124,0,106,4,124,8,131,2,125,10,100,0,
     125,11,124,5,114,91,122,10,116,9,124,0,124,9,124,7,
-    124,1,124,10,131,5,125,11,87,0,113,96,4,0,116,10,
+    124,1,124,10,131,5,125,11,87,0,110,25,4,0,116,10,
     121,90,1,0,125,12,1,0,122,8,124,12,125,3,87,0,
-    89,0,100,0,125,12,126,12,113,96,100,0,125,12,126,12,
+    89,0,100,0,125,12,126,12,110,10,100,0,125,12,126,12,
     119,1,119,0,116,11,124,9,124,10,131,2,125,11,124,11,
     100,0,117,0,114,101,113,9,124,8,100,4,25,0,125,9,
     124,11,124,6,124,9,102,3,2,0,1,0,83,0,124,3,

diff --git a/README.rst b/README.rst
index ae35928..9b708f1 100644 (file)
--- a/README.rst
+++ b/README.rst
@@ -1,4 +1,4 @@
-This is Python version 3.10.2
+This is Python version 3.10.3
 =============================
 
 .. image:: https://travis-ci.com/python/cpython.svg?branch=master

diff --git a/Tools/msi/README.txt b/Tools/msi/README.txt
index c85ee45..0a4382f 100644 (file)
--- a/Tools/msi/README.txt
+++ b/Tools/msi/README.txt
@@ -363,6 +363,8 @@ of Python's files.
 Within this install directory is the following approximate layout:
 
 .\python[w].exe The core executable files
+.\python3x.dll  The core interpreter
+.\python3.dll   The stable ABI reference
 .\DLLs          Stdlib extensions (*.pyd) and dependencies
 .\Doc           Documentation (*.chm)
 .\include       Development headers (*.h)
@@ -374,20 +376,13 @@ Within this install directory is the following approximate layout:
 .\Tools         Tool scripts (*.py)
 
 When installed for all users, the following files are installed to
-either "%SystemRoot%\System32" or "%SystemRoot%\SysWOW64" as
-appropriate. For the current user, they are installed in the Python
-install directory.
-
-.\python3x.dll      The core interpreter
-.\python3.dll       The stable ABI reference
-
-When installed for all users, the following files are installed to
 "%SystemRoot%" (typically "C:\Windows") to ensure they are always
 available on PATH. (See Launching Python below.) For the current user,
 they are installed in "%LocalAppData%\Programs\Python\PyLauncher".
 
 .\py[w].exe         PEP 397 launcher
 
+
 System Settings
 ===============
 

diff --git a/Tools/msi/build.bat b/Tools/msi/build.bat
index afff903..a153bd8 100644 (file)
--- a/Tools/msi/build.bat
+++ b/Tools/msi/build.bat
@@ -27,25 +27,26 @@ call "%PCBUILD%find_msbuild.bat" %MSBUILD%
 if ERRORLEVEL 1 (echo Cannot locate MSBuild.exe on PATH or as MSBUILD variable & exit /b 2)\r
 \r
 if defined BUILDX86 (\r
-    call "%PCBUILD%build.bat" -d -e %REBUILD% %BUILDTEST%\r
-    if errorlevel 1 goto :eof\r
-    call "%PCBUILD%build.bat" -e %REBUILD% %BUILDTEST%\r
-    if errorlevel 1 goto :eof\r
+    call "%PCBUILD%build.bat" -p Win32 -d -e %REBUILD% %BUILDTEST%\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
+    call "%PCBUILD%build.bat" -p Win32 -e %REBUILD% %BUILDTEST%\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 if defined BUILDX64 (\r
     call "%PCBUILD%build.bat" -p x64 -d -e %REBUILD% %BUILDTEST%\r
-    if errorlevel 1 goto :eof\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
     call "%PCBUILD%build.bat" -p x64 -e %REBUILD% %BUILDTEST%\r
-    if errorlevel 1 goto :eof\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if defined BUILDDOC (\r
     call "%PCBUILD%..\Doc\make.bat" htmlhelp\r
-    if errorlevel 1 goto :eof\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 rem Build the launcher MSI separately\r
 %MSBUILD% "%D%launcher\launcher.wixproj" /p:Platform=x86\r
+if errorlevel 1 exit /B %ERRORLEVEL%\r
 \r
 set BUILD_CMD="%D%bundle\snapshot.wixproj"\r
 if defined BUILDTEST (\r
@@ -59,12 +60,12 @@ if defined REBUILD (
 )\r
 \r
 if defined BUILDX86 (\r
-    %MSBUILD% %BUILD_CMD%\r
-    if errorlevel 1 goto :eof\r
+    %MSBUILD% /p:Platform=x86 %BUILD_CMD%\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 if defined BUILDX64 (\r
     %MSBUILD% /p:Platform=x64 %BUILD_CMD%\r
-    if errorlevel 1 goto :eof\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 exit /B 0\r

diff --git a/Tools/msi/buildrelease.bat b/Tools/msi/buildrelease.bat
index 1c8670e..d7ae31b 100644 (file)
--- a/Tools/msi/buildrelease.bat
+++ b/Tools/msi/buildrelease.bat
@@ -80,7 +80,7 @@ if "%SKIPBUILD%" EQU "1" goto skipdoc
 if "%SKIPDOC%" EQU "1" goto skipdoc\r
 \r
 call "%D%..\..\doc\make.bat" htmlhelp\r
-if errorlevel 1 goto :eof\r
+if errorlevel 1 exit /B %ERRORLEVEL%\r
 :skipdoc\r
 \r
 where dlltool /q && goto skipdlltoolsearch\r
@@ -93,16 +93,17 @@ set _DLLTOOL_PATH=
 \r
 if defined BUILDX86 (\r
     call :build x86\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if defined BUILDX64 (\r
     call :build x64 "%PGO%"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if defined TESTTARGETDIR (\r
     call "%D%testrelease.bat" -t "%TESTTARGETDIR%"\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 exit /B 0\r
@@ -128,19 +129,19 @@ if "%1" EQU "x86" (
 if exist "%BUILD%en-us" (\r
     echo Deleting %BUILD%en-us\r
     rmdir /q/s "%BUILD%en-us"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if exist "%D%obj\Debug_%OBJDIR_PLAT%" (\r
     echo Deleting "%D%obj\Debug_%OBJDIR_PLAT%"\r
     rmdir /q/s "%D%obj\Debug_%OBJDIR_PLAT%"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if exist "%D%obj\Release_%OBJDIR_PLAT%" (\r
     echo Deleting "%D%obj\Release_%OBJDIR_PLAT%"\r
     rmdir /q/s "%D%obj\Release_%OBJDIR_PLAT%"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if not "%CERTNAME%" EQU "" (\r
@@ -156,41 +157,41 @@ if not "%PGO%" EQU "" (
 if not "%SKIPBUILD%" EQU "1" (\r
     @echo call "%PCBUILD%build.bat" -e -p %BUILD_PLAT% -t %TARGET% %PGOOPTS% %CERTOPTS%\r
     @call "%PCBUILD%build.bat" -e -p %BUILD_PLAT% -t %TARGET% %PGOOPTS% %CERTOPTS%\r
-    @if errorlevel 1 exit /B\r
+    @if errorlevel 1 exit /B %ERRORLEVEL%\r
     @rem build.bat turns echo back on, so we disable it again\r
     @echo off\r
 \r
     @echo call "%PCBUILD%build.bat" -d -e -p %BUILD_PLAT% -t %TARGET%\r
     @call "%PCBUILD%build.bat" -d -e -p %BUILD_PLAT% -t %TARGET%\r
-    @if errorlevel 1 exit /B\r
+    @if errorlevel 1 exit /B %ERRORLEVEL%\r
     @rem build.bat turns echo back on, so we disable it again\r
     @echo off\r
 )\r
 \r
 if "%OUTDIR_PLAT%" EQU "win32" (\r
     %MSBUILD% "%D%launcher\launcher.wixproj" /p:Platform=x86 %CERTOPTS% /p:ReleaseUri=%RELEASE_URI%\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 ) else if not exist "%Py_OutDir%win32\en-us\launcher.msi" (\r
     %MSBUILD% "%D%launcher\launcher.wixproj" /p:Platform=x86 %CERTOPTS% /p:ReleaseUri=%RELEASE_URI%\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 set BUILDOPTS=/p:Platform=%1 /p:BuildForRelease=true /p:DownloadUrl=%DOWNLOAD_URL% /p:DownloadUrlBase=%DOWNLOAD_URL_BASE% /p:ReleaseUri=%RELEASE_URI%\r
 if defined BUILDMSI (\r
     %MSBUILD% "%D%bundle\releaselocal.wixproj" /t:Rebuild %BUILDOPTS% %CERTOPTS% /p:RebuildAll=true\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
     %MSBUILD% "%D%bundle\releaseweb.wixproj" /t:Rebuild %BUILDOPTS% %CERTOPTS% /p:RebuildAll=false\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if defined BUILDZIP (\r
     %MSBUILD% "%D%make_zip.proj" /t:Build %BUILDOPTS% %CERTOPTS% /p:OutputPath="%BUILD%en-us"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if defined BUILDNUGET (\r
     %MSBUILD% "%D%..\nuget\make_pkg.proj" /t:Build /p:Configuration=Release /p:Platform=%1 /p:OutputPath="%BUILD%en-us"\r
-    if errorlevel 1 exit /B\r
+    if errorlevel 1 exit /B %ERRORLEVEL%\r
 )\r
 \r
 if not "%OUTDIR%" EQU "" (\r

diff --git a/Tools/msi/bundle/SideBar.png b/Tools/msi/bundle/SideBar.png
index a23ce5e..52f15dd 100644 (file)
Binary files a/Tools/msi/bundle/SideBar.png and b/Tools/msi/bundle/SideBar.png differ

diff --git a/Tools/msi/bundle/bundle.wxs b/Tools/msi/bundle/bundle.wxs
index e2f8718..0c28db6 100644 (file)
--- a/Tools/msi/bundle/bundle.wxs
+++ b/Tools/msi/bundle/bundle.wxs
@@ -95,8 +95,8 @@
     <Chain ParallelCache="yes">
       <PackageGroupRef Id="crt" />
       <PackageGroupRef Id="core" />
-      <PackageGroupRef Id="dev" />
       <PackageGroupRef Id="exe" />
+      <PackageGroupRef Id="dev" />
       <PackageGroupRef Id="lib" />
       <PackageGroupRef Id="test" />
       <PackageGroupRef Id="doc" />

diff --git a/Tools/msi/common.wxs b/Tools/msi/common.wxs
index 398d94a..4554e80 100644 (file)
--- a/Tools/msi/common.wxs
+++ b/Tools/msi/common.wxs
@@ -53,11 +53,25 @@
     </Fragment>
     
     <Fragment>
-    <?ifdef InstallDirectoryGuidSeed ?>
         <Directory Id="TARGETDIR" Name="SourceDir">
+        <?ifdef InstallDirectoryGuidSeed ?>
             <Directory Id="InstallDirectory" ComponentGuidGenerationSeed="$(var.InstallDirectoryGuidSeed)" />
+        <?endif ?>
         </Directory>
-    <?endif ?>
+    </Fragment>
+
+    <Fragment>
+        <?ifdef PythonExeComponentGuid ?>
+        <!-- Locate TARGETDIR automatically assuming we have executables installed -->
+        <Property Id="TARGETDIR">
+            <ComponentSearch Id="PythonExe_Directory" Guid="$(var.PythonExeComponentGuid)">
+                <DirectorySearch Id="PythonExe_Directory" AssignToProperty="yes" Path=".">
+                    <FileSearch Id="PythonExe_DirectoryFile" Name="python.exe" />
+                </DirectorySearch>
+            </ComponentSearch>
+        </Property>
+        <?endif ?>
+        <Property Id="DetectTargetDir" Value="1" />
     </Fragment>
     
     <!-- Top-level directories -->

diff --git a/Tools/msi/dev/dev.wxs b/Tools/msi/dev/dev.wxs
index 23a710d..2ddeb31 100644 (file)
--- a/Tools/msi/dev/dev.wxs
+++ b/Tools/msi/dev/dev.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         
         <Feature Id="DefaultFeature" AllowAdvertise="no" Title="!(loc.Title)" Description="!(loc.Description)">

diff --git a/Tools/msi/doc/doc.wxs b/Tools/msi/doc/doc.wxs
index cd1a68c..cc5bdb4 100644 (file)
--- a/Tools/msi/doc/doc.wxs
+++ b/Tools/msi/doc/doc.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/msi/lib/lib.wxs b/Tools/msi/lib/lib.wxs
index 2a3b9ec..b38cd91 100644 (file)
--- a/Tools/msi/lib/lib.wxs
+++ b/Tools/msi/lib/lib.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/msi/path/path.wxs b/Tools/msi/path/path.wxs
index 8b37936..017b812 100644 (file)
--- a/Tools/msi/path/path.wxs
+++ b/Tools/msi/path/path.wxs
@@ -2,7 +2,8 @@
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
     <Product Id="*" Language="!(loc.LCID)" Name="!(loc.Title)" Version="$(var.Version)" Manufacturer="!(loc.Manufacturer)" UpgradeCode="$(var.UpgradeCode)">
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
-        
+
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/msi/tcltk/tcltk.wxs b/Tools/msi/tcltk/tcltk.wxs
index eeae8e8..bbf6ac7 100644 (file)
--- a/Tools/msi/tcltk/tcltk.wxs
+++ b/Tools/msi/tcltk/tcltk.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/msi/test/test.wxs b/Tools/msi/test/test.wxs
index f2ed64f..e8f514a 100644 (file)
--- a/Tools/msi/test/test.wxs
+++ b/Tools/msi/test/test.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/msi/tools/tools.wxs b/Tools/msi/tools/tools.wxs
index 7a805d0..133a743 100644 (file)
--- a/Tools/msi/tools/tools.wxs
+++ b/Tools/msi/tools/tools.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         
         <Feature Id="DefaultFeature" AllowAdvertise="no" Title="!(loc.Title)" Description="!(loc.Description)">

diff --git a/Tools/msi/ucrt/ucrt.wxs b/Tools/msi/ucrt/ucrt.wxs
index 76e5682..94fd3f0 100644 (file)
--- a/Tools/msi/ucrt/ucrt.wxs
+++ b/Tools/msi/ucrt/ucrt.wxs
@@ -4,6 +4,7 @@
         <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
         <MediaTemplate EmbedCab="yes" CompressionLevel="high" />
         
+        <PropertyRef Id="DetectTargetDir" />
         <PropertyRef Id="UpgradeTable" />
         <PropertyRef Id="REGISTRYKEY" />
         

diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py
index b80fc85..61a48d5 100644 (file)
--- a/Tools/peg_generator/pegen/build.py
+++ b/Tools/peg_generator/pegen/build.py
@@ -1,6 +1,7 @@
 import pathlib
 import shutil
 import tokenize
+import sys
 import sysconfig
 import tempfile
 import itertools
@@ -33,6 +34,7 @@ def compile_c_extension(
     build_dir: Optional[str] = None,
     verbose: bool = False,
     keep_asserts: bool = True,
+    disable_optimization: bool = True,  # Significant test_peg_generator speedup.
 ) -> str:
     """Compile the generated source for a parser generator into an extension module.
 
@@ -62,6 +64,14 @@ def compile_c_extension(
     extra_link_args = get_extra_flags("LDFLAGS", "PY_LDFLAGS_NODIST")
     if keep_asserts:
         extra_compile_args.append("-UNDEBUG")
+    if disable_optimization:
+        if sys.platform == 'win32':
+            extra_compile_args.append("/Od")
+            extra_link_args.append("/LTCG:OFF")
+        else:
+            extra_compile_args.append("-O0")
+            if sysconfig.get_config_var("GNULD") == "yes":
+                extra_link_args.append("-fno-lto")
     extension = [
         Extension(
             extension_name,

diff --git a/Tools/peg_generator/pegen/c_generator.py b/Tools/peg_generator/pegen/c_generator.py
index 49cfb72..2f0d829 100644 (file)
--- a/Tools/peg_generator/pegen/c_generator.py
+++ b/Tools/peg_generator/pegen/c_generator.py
@@ -115,6 +115,7 @@ class CCallMakerVisitor(GrammarVisitor):
         self.cache: Dict[Any, FunctionCall] = {}
         self.keyword_cache: Dict[str, int] = {}
         self.soft_keywords: Set[str] = set()
+        self.cleanup_statements: List[str] = []
 
     def keyword_helper(self, keyword: str) -> FunctionCall:
         if keyword not in self.keyword_cache:
@@ -357,6 +358,7 @@ class CParserGenerator(ParserGenerator, GrammarVisitor):
         self._varname_counter = 0
         self.debug = debug
         self.skip_actions = skip_actions
+        self.cleanup_statements: List[str] = []
 
     def add_level(self) -> None:
         self.print("if (p->level++ == MAXSTACK) {")
@@ -369,6 +371,8 @@ class CParserGenerator(ParserGenerator, GrammarVisitor):
         self.print("p->level--;")
 
     def add_return(self, ret_val: str) -> None:
+        for stmt in self.cleanup_statements:
+            self.print(stmt)
         self.remove_level()
         self.print(f"return {ret_val};")
 
@@ -539,9 +543,7 @@ class CParserGenerator(ParserGenerator, GrammarVisitor):
                     f"_PyPegen_update_memo(p, _mark, {node.name}_type, _res)", "_res"
                 )
                 self.print("p->mark = _mark;")
-                self.print("p->in_raw_rule++;")
                 self.print(f"void *_raw = {node.name}_raw(p);")
-                self.print("p->in_raw_rule--;")
                 self.print("if (p->error_indicator) {")
                 with self.indent():
                     self.add_return("NULL")
@@ -649,10 +651,21 @@ class CParserGenerator(ParserGenerator, GrammarVisitor):
             self._set_up_rule_memoization(node, result_type)
 
         self.print("{")
+
+        if node.name.endswith("without_invalid"):
+            with self.indent():
+                self.print("int _prev_call_invalid = p->call_invalid_rules;")
+                self.print("p->call_invalid_rules = 0;")
+                self.cleanup_statements.append("p->call_invalid_rules = _prev_call_invalid;")
+
         if is_loop:
             self._handle_loop_rule_body(node, rhs)
         else:
             self._handle_default_rule_body(node, rhs, result_type)
+
+        if node.name.endswith("without_invalid"):
+            self.cleanup_statements.pop()
+
         self.print("}")
 
     def visit_NamedItem(self, node: NamedItem) -> None:

diff --git a/Tools/peg_generator/scripts/grammar_grapher.py b/Tools/peg_generator/scripts/grammar_grapher.py
index 4afdbce..c527e19 100755 (executable)
--- a/Tools/peg_generator/scripts/grammar_grapher.py
+++ b/Tools/peg_generator/scripts/grammar_grapher.py
@@ -29,6 +29,7 @@ from pegen.build import build_parser
 from pegen.grammar import (
     Alt,
     Cut,
+    Forced,
     Grammar,
     Group,
     Leaf,
@@ -57,6 +58,8 @@ def references_for_item(item: Any) -> List[Any]:
         return [_ref for _item in item.items for _ref in references_for_item(_item)]
     elif isinstance(item, Cut):
         return []
+    elif isinstance(item, Forced):
+        return references_for_item(item.node)
     elif isinstance(item, Group):
         return references_for_item(item.rhs)
     elif isinstance(item, Lookahead):

diff --git a/Tools/ssl/multissltests.py b/Tools/ssl/multissltests.py
index a41cabf..8207680 100755 (executable)
--- a/Tools/ssl/multissltests.py
+++ b/Tools/ssl/multissltests.py
@@ -47,8 +47,8 @@ OPENSSL_OLD_VERSIONS = [
 ]
 
 OPENSSL_RECENT_VERSIONS = [
-    "1.1.1m",
-    "3.0.1"
+    "1.1.1n",
+    "3.0.2"
 ]
 
 LIBRESSL_OLD_VERSIONS = [

diff --git a/configure b/configure
index a7d2975..0cc86f9 100755 (executable)
--- a/configure
+++ b/configure
@@ -8101,7 +8101,7 @@ sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \
-sys/endian.h sys/sysmacros.h linux/memfd.h linux/wait.h sys/memfd.h \
+sys/endian.h sys/sysmacros.h linux/auxvec.h linux/memfd.h linux/wait.h sys/memfd.h \
 sys/mman.h sys/eventfd.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -14183,39 +14183,6 @@ fi
 
 # checks for compiler characteristics
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
-$as_echo_n "checking whether char is unsigned... " >&6; }
-if ${ac_cv_c_char_unsigned+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-static int test_array [1 - 2 * !(((char) -1) < 0)];
-test_array [0] = 0;
-return test_array [0];
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_char_unsigned=no
-else
-  ac_cv_c_char_unsigned=yes
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
-$as_echo "$ac_cv_c_char_unsigned" >&6; }
-if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
-  $as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
-
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
 if ${ac_cv_c_const+:} false; then :

diff --git a/configure.ac b/configure.ac
index 5aa91cb..547255f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2225,7 +2225,7 @@ sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \
-sys/endian.h sys/sysmacros.h linux/memfd.h linux/wait.h sys/memfd.h \
+sys/endian.h sys/sysmacros.h linux/auxvec.h linux/memfd.h linux/wait.h sys/memfd.h \
 sys/mman.h sys/eventfd.h)
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
@@ -4322,7 +4322,6 @@ fi
 
 # checks for compiler characteristics
 
-AC_C_CHAR_UNSIGNED
 AC_C_CONST
 
 works=no

diff --git a/pyconfig.h.in b/pyconfig.h.in
index b97b8f8..b0948e9 100644 (file)
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -637,6 +637,9 @@
 /* Define to 1 if you have the `linkat' function. */
 #undef HAVE_LINKAT
 
+/* Define to 1 if you have the <linux/auxvec.h> header file. */
+#undef HAVE_LINUX_AUXVEC_H
+
 /* Define to 1 if you have the <linux/can/bcm.h> header file. */
 #undef HAVE_LINUX_CAN_BCM_H
 
@@ -1656,11 +1659,6 @@
 /* Define on FreeBSD to activate all library features */
 #undef __BSD_VISIBLE
 
-/* Define to 1 if type `char' is unsigned and you are not using gcc.  */
-#ifndef __CHAR_UNSIGNED__
-# undef __CHAR_UNSIGNED__
-#endif
-
 /* Define to 'long' if <time.h> doesn't define. */
 #undef clock_t
 

diff --git a/setup.py b/setup.py
index 43e807f..e74a275 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -757,7 +757,9 @@ class PyBuildExt(build_ext):
         tmpfile = os.path.join(self.build_temp, 'ccpaths')
         if not os.path.exists(self.build_temp):
             os.makedirs(self.build_temp)
-        ret = run_command('%s -E -v - </dev/null 2>%s 1>/dev/null' % (CC, tmpfile))
+        # bpo-38472: With a German locale, GCC returns "gcc-Version 9.1.0
+        # (GCC)", whereas it returns "gcc version 9.1.0" with the C locale.
+        ret = run_command('LC_ALL=C %s -E -v - </dev/null 2>%s 1>/dev/null' % (CC, tmpfile))
         is_gcc = False
         is_clang = False
         in_incdirs = False