1 /*[clinic input]
2 preserve
3 [clinic start generated code]*/
4
5 #include "pycore_modsupport.h" // _PyArg_CheckPositional()
6
7 PyDoc_STRVAR(_weakref_getweakrefcount__doc__,
8 "getweakrefcount($module, object, /)\n"
9 "--\n"
10 "\n"
11 "Return the number of weak references to \'object\'.");
12
13 #define _WEAKREF_GETWEAKREFCOUNT_METHODDEF \
14 {"getweakrefcount", (PyCFunction)_weakref_getweakrefcount, METH_O, _weakref_getweakrefcount__doc__},
15
16 static Py_ssize_t
17 _weakref_getweakrefcount_impl(PyObject *module, PyObject *object);
18
19 static PyObject *
_weakref_getweakrefcount(PyObject * module,PyObject * object)20 _weakref_getweakrefcount(PyObject *module, PyObject *object)
21 {
22 PyObject *return_value = NULL;
23 Py_ssize_t _return_value;
24
25 _return_value = _weakref_getweakrefcount_impl(module, object);
26 if ((_return_value == -1) && PyErr_Occurred()) {
27 goto exit;
28 }
29 return_value = PyLong_FromSsize_t(_return_value);
30
31 exit:
32 return return_value;
33 }
34
35 PyDoc_STRVAR(_weakref__remove_dead_weakref__doc__,
36 "_remove_dead_weakref($module, dct, key, /)\n"
37 "--\n"
38 "\n"
39 "Atomically remove key from dict if it points to a dead weakref.");
40
41 #define _WEAKREF__REMOVE_DEAD_WEAKREF_METHODDEF \
42 {"_remove_dead_weakref", _PyCFunction_CAST(_weakref__remove_dead_weakref), METH_FASTCALL, _weakref__remove_dead_weakref__doc__},
43
44 static PyObject *
45 _weakref__remove_dead_weakref_impl(PyObject *module, PyObject *dct,
46 PyObject *key);
47
48 static PyObject *
_weakref__remove_dead_weakref(PyObject * module,PyObject * const * args,Py_ssize_t nargs)49 _weakref__remove_dead_weakref(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
50 {
51 PyObject *return_value = NULL;
52 PyObject *dct;
53 PyObject *key;
54
55 if (!_PyArg_CheckPositional("_remove_dead_weakref", nargs, 2, 2)) {
56 goto exit;
57 }
58 if (!PyDict_Check(args[0])) {
59 _PyArg_BadArgument("_remove_dead_weakref", "argument 1", "dict", args[0]);
60 goto exit;
61 }
62 dct = args[0];
63 key = args[1];
64 return_value = _weakref__remove_dead_weakref_impl(module, dct, key);
65
66 exit:
67 return return_value;
68 }
69
70 PyDoc_STRVAR(_weakref_getweakrefs__doc__,
71 "getweakrefs($module, object, /)\n"
72 "--\n"
73 "\n"
74 "Return a list of all weak reference objects pointing to \'object\'.");
75
76 #define _WEAKREF_GETWEAKREFS_METHODDEF \
77 {"getweakrefs", (PyCFunction)_weakref_getweakrefs, METH_O, _weakref_getweakrefs__doc__},
78
79 PyDoc_STRVAR(_weakref_proxy__doc__,
80 "proxy($module, object, callback=None, /)\n"
81 "--\n"
82 "\n"
83 "Create a proxy object that weakly references \'object\'.\n"
84 "\n"
85 "\'callback\', if given, is called with a reference to the\n"
86 "proxy when \'object\' is about to be finalized.");
87
88 #define _WEAKREF_PROXY_METHODDEF \
89 {"proxy", _PyCFunction_CAST(_weakref_proxy), METH_FASTCALL, _weakref_proxy__doc__},
90
91 static PyObject *
92 _weakref_proxy_impl(PyObject *module, PyObject *object, PyObject *callback);
93
94 static PyObject *
_weakref_proxy(PyObject * module,PyObject * const * args,Py_ssize_t nargs)95 _weakref_proxy(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
96 {
97 PyObject *return_value = NULL;
98 PyObject *object;
99 PyObject *callback = NULL;
100
101 if (!_PyArg_CheckPositional("proxy", nargs, 1, 2)) {
102 goto exit;
103 }
104 object = args[0];
105 if (nargs < 2) {
106 goto skip_optional;
107 }
108 callback = args[1];
109 skip_optional:
110 return_value = _weakref_proxy_impl(module, object, callback);
111
112 exit:
113 return return_value;
114 }
115 /*[clinic end generated code: output=60f59adc1dc9eab8 input=a9049054013a1b77]*/
116