Permit changing rpm.td tag from python

diff --git a/python/rpmtd-py.c b/python/rpmtd-py.c
index e4549b0..a84cab3 100644 (file)
--- a/python/rpmtd-py.c
+++ b/python/rpmtd-py.c
@@ -130,11 +130,32 @@ static PyMappingMethods rpmtd_as_mapping = {
 };
 
 static PyMemberDef rpmtd_members[] = {
-    { "tag", T_INT, offsetof(rpmtdObject, td.tag), READONLY, NULL },
     { "type", T_INT, offsetof(rpmtdObject, td.type), READONLY, NULL },
     { NULL }
 };
 
+static PyObject *rpmtd_get_tag(rpmtdObject *s, void *closure)
+{
+    return Py_BuildValue("i", rpmtdTag(&(s->td)));
+}
+
+static int rpmtd_set_tag(rpmtdObject *s, PyObject *value, void *closure)
+{
+    rpmTag tag;
+    if (!tagNumFromPyObject(value, &tag)) return -1;
+
+    if (!rpmtdSetTag(&(s->td), tag)) {
+       PyErr_SetString(PyExc_ValueError, "incompatible tag for data");
+       return -1;
+    }
+    return 0;
+}
+
+static PyGetSetDef rpmtd_getseters[] = {
+    { "tag", (getter)rpmtd_get_tag, (setter)rpmtd_set_tag, NULL },
+    { NULL }
+};
+
 PyTypeObject rpmtd_Type = {
        PyObject_HEAD_INIT(&PyType_Type)
        0,                              /* ob_size */
@@ -166,7 +187,7 @@ PyTypeObject rpmtd_Type = {
        (iternextfunc)rpmtd_iternext,   /* tp_iternext */
        0,                              /* tp_methods */
        rpmtd_members,                  /* tp_members */
-       0,                              /* tp_getset */
+       rpmtd_getseters,                /* tp_getset */
        0,                              /* tp_base */
        0,                              /* tp_dict */
        0,                              /* tp_descr_get */