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v0.5.1
v0.5.1
https://github.com/python/cpython
Revision 4cd6a95dfeb06950a2566e23e7e2bc9eb8c59775 authored by Benjamin Peterson on 17 August 2008, 20:23:46 UTC, committed by Benjamin Peterson on 17 August 2008, 20:23:46 UTC
svn+ssh://pythondev@svn.python.org/python/trunk ........ r65659 | martin.v.loewis | 2008-08-12 15:45:21 -0500 (Tue, 12 Aug 2008) | 2 lines Add Hirokazu Yamamoto. ........ r65693 | georg.brandl | 2008-08-15 13:35:09 -0500 (Fri, 15 Aug 2008) | 2 lines #3558: Attribute reference binds more tightly than subscription and call. ........ r65700 | antoine.pitrou | 2008-08-15 16:03:21 -0500 (Fri, 15 Aug 2008) | 3 lines #2676: email/message.py [Message.get_content_type]: Trivial regex hangs on pathological input ........ r65702 | gregory.p.smith | 2008-08-15 18:14:00 -0500 (Fri, 15 Aug 2008) | 2 lines document that waitpid raises OSError ........ r65706 | benjamin.peterson | 2008-08-15 22:02:41 -0500 (Fri, 15 Aug 2008) | 1 line fix markup ........ r65707 | benjamin.peterson | 2008-08-15 22:13:07 -0500 (Fri, 15 Aug 2008) | 1 line note how os.utime should be used for emulating touch ........ r65761 | antoine.pitrou | 2008-08-17 08:06:29 -0500 (Sun, 17 Aug 2008) | 3 lines fix ZipFile.testzip() to work with very large embedded files ........
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Tip revision: 4cd6a95dfeb06950a2566e23e7e2bc9eb8c59775 authored by Benjamin Peterson on 17 August 2008, 20:23:46 UTC
Merged revisions 65659,65693,65700,65702,65706-65707,65761 via svnmerge from
Merged revisions 65659,65693,65700,65702,65706-65707,65761 via svnmerge from
Tip revision: 4cd6a95
_weakref.c
#include "Python.h"
#define GET_WEAKREFS_LISTPTR(o) \
((PyWeakReference **) PyObject_GET_WEAKREFS_LISTPTR(o))
PyDoc_STRVAR(weakref_getweakrefcount__doc__,
"getweakrefcount(object) -- return the number of weak references\n"
"to 'object'.");
static PyObject *
weakref_getweakrefcount(PyObject *self, PyObject *object)
{
PyObject *result = NULL;
if (PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
result = PyLong_FromSsize_t(_PyWeakref_GetWeakrefCount(*list));
}
else
result = PyLong_FromLong(0);
return result;
}
PyDoc_STRVAR(weakref_getweakrefs__doc__,
"getweakrefs(object) -- return a list of all weak reference objects\n"
"that point to 'object'.");
static PyObject *
weakref_getweakrefs(PyObject *self, PyObject *object)
{
PyObject *result = NULL;
if (PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);
result = PyList_New(count);
if (result != NULL) {
PyWeakReference *current = *list;
Py_ssize_t i;
for (i = 0; i < count; ++i) {
PyList_SET_ITEM(result, i, (PyObject *) current);
Py_INCREF(current);
current = current->wr_next;
}
}
}
else {
result = PyList_New(0);
}
return result;
}
PyDoc_STRVAR(weakref_proxy__doc__,
"proxy(object[, callback]) -- create a proxy object that weakly\n"
"references 'object'. 'callback', if given, is called with a\n"
"reference to the proxy when 'object' is about to be finalized.");
static PyObject *
weakref_proxy(PyObject *self, PyObject *args)
{
PyObject *object;
PyObject *callback = NULL;
PyObject *result = NULL;
if (PyArg_UnpackTuple(args, "proxy", 1, 2, &object, &callback)) {
result = PyWeakref_NewProxy(object, callback);
}
return result;
}
static PyMethodDef
weakref_functions[] = {
{"getweakrefcount", weakref_getweakrefcount, METH_O,
weakref_getweakrefcount__doc__},
{"getweakrefs", weakref_getweakrefs, METH_O,
weakref_getweakrefs__doc__},
{"proxy", weakref_proxy, METH_VARARGS,
weakref_proxy__doc__},
{NULL, NULL, 0, NULL}
};
static struct PyModuleDef weakrefmodule = {
PyModuleDef_HEAD_INIT,
"_weakref",
"Weak-reference support module.",
-1,
weakref_functions,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit__weakref(void)
{
PyObject *m;
m = PyModule_Create(&weakrefmodule);
if (m != NULL) {
Py_INCREF(&_PyWeakref_RefType);
PyModule_AddObject(m, "ref",
(PyObject *) &_PyWeakref_RefType);
Py_INCREF(&_PyWeakref_RefType);
PyModule_AddObject(m, "ReferenceType",
(PyObject *) &_PyWeakref_RefType);
Py_INCREF(&_PyWeakref_ProxyType);
PyModule_AddObject(m, "ProxyType",
(PyObject *) &_PyWeakref_ProxyType);
Py_INCREF(&_PyWeakref_CallableProxyType);
PyModule_AddObject(m, "CallableProxyType",
(PyObject *) &_PyWeakref_CallableProxyType);
}
return m;
}
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