From 8580397f2e7d389940fbdd5575f26271df743aee Mon Sep 17 00:00:00 2001 From: Jonas Devlieghere Date: Thu, 2 Jan 2020 16:13:44 -0800 Subject: [PATCH] [lldb/Python] Remove unused support file (NFC) --- .../Python/lldbsuite/support/optional_with.py | 58 ---------------------- 1 file changed, 58 deletions(-) delete mode 100644 lldb/packages/Python/lldbsuite/support/optional_with.py diff --git a/lldb/packages/Python/lldbsuite/support/optional_with.py b/lldb/packages/Python/lldbsuite/support/optional_with.py deleted file mode 100644 index f91b3c6..0000000 --- a/lldb/packages/Python/lldbsuite/support/optional_with.py +++ /dev/null @@ -1,58 +0,0 @@ -# ==================================================================== -# Provides a with-style resource handler for optionally-None resources -# ==================================================================== - - -class optional_with(object): - # pylint: disable=too-few-public-methods - # This is a wrapper - it is not meant to provide any extra methods. - """Provides a wrapper for objects supporting "with", allowing None. - - This lets a user use the "with object" syntax for resource usage - (e.g. locks) even when the wrapped with object is None. - - e.g. - - wrapped_lock = optional_with(thread.Lock()) - with wrapped_lock: - # Do something while the lock is obtained. - pass - - might_be_none = None - wrapped_none = optional_with(might_be_none) - with wrapped_none: - # This code here still works. - pass - - This prevents having to write code like this when - a lock is optional: - - if lock: - lock.acquire() - - try: - code_fragment_always_run() - finally: - if lock: - lock.release() - - And I'd posit it is safer, as it becomes impossible to - forget the try/finally using optional_with(), since - the with syntax can be used. - """ - - def __init__(self, wrapped_object): - self.wrapped_object = wrapped_object - - def __enter__(self): - if self.wrapped_object is not None: - return self.wrapped_object.__enter__() - else: - return self - - def __exit__(self, the_type, value, traceback): - if self.wrapped_object is not None: - return self.wrapped_object.__exit__(the_type, value, traceback) - else: - # Don't suppress any exceptions - return False -- 2.7.4