1  /*[clinic input]
       2  preserve
       3  [clinic start generated code]*/
       4  
       5  PyDoc_STRVAR(_weakref_getweakrefcount__doc__,
       6  "getweakrefcount($module, object, /)\n"
       7  "--\n"
       8  "\n"
       9  "Return the number of weak references to \'object\'.");
      10  
      11  #define _WEAKREF_GETWEAKREFCOUNT_METHODDEF    \
      12      {"getweakrefcount", (PyCFunction)_weakref_getweakrefcount, METH_O, _weakref_getweakrefcount__doc__},
      13  
      14  static Py_ssize_t
      15  _weakref_getweakrefcount_impl(PyObject *module, PyObject *object);
      16  
      17  static PyObject *
      18  _weakref_getweakrefcount(PyObject *module, PyObject *object)
      19  {
      20      PyObject *return_value = NULL;
      21      Py_ssize_t _return_value;
      22  
      23      _return_value = _weakref_getweakrefcount_impl(module, object);
      24      if ((_return_value == -1) && PyErr_Occurred()) {
      25          goto exit;
      26      }
      27      return_value = PyLong_FromSsize_t(_return_value);
      28  
      29  exit:
      30      return return_value;
      31  }
      32  
      33  PyDoc_STRVAR(_weakref__remove_dead_weakref__doc__,
      34  "_remove_dead_weakref($module, dct, key, /)\n"
      35  "--\n"
      36  "\n"
      37  "Atomically remove key from dict if it points to a dead weakref.");
      38  
      39  #define _WEAKREF__REMOVE_DEAD_WEAKREF_METHODDEF    \
      40      {"_remove_dead_weakref", _PyCFunction_CAST(_weakref__remove_dead_weakref), METH_FASTCALL, _weakref__remove_dead_weakref__doc__},
      41  
      42  static PyObject *
      43  _weakref__remove_dead_weakref_impl(PyObject *module, PyObject *dct,
      44                                     PyObject *key);
      45  
      46  static PyObject *
      47  _weakref__remove_dead_weakref(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
      48  {
      49      PyObject *return_value = NULL;
      50      PyObject *dct;
      51      PyObject *key;
      52  
      53      if (!_PyArg_CheckPositional("_remove_dead_weakref", nargs, 2, 2)) {
      54          goto exit;
      55      }
      56      if (!PyDict_Check(args[0])) {
      57          _PyArg_BadArgument("_remove_dead_weakref", "argument 1", "dict", args[0]);
      58          goto exit;
      59      }
      60      dct = args[0];
      61      key = args[1];
      62      return_value = _weakref__remove_dead_weakref_impl(module, dct, key);
      63  
      64  exit:
      65      return return_value;
      66  }
      67  
      68  PyDoc_STRVAR(_weakref_getweakrefs__doc__,
      69  "getweakrefs($module, object, /)\n"
      70  "--\n"
      71  "\n"
      72  "Return a list of all weak reference objects pointing to \'object\'.");
      73  
      74  #define _WEAKREF_GETWEAKREFS_METHODDEF    \
      75      {"getweakrefs", (PyCFunction)_weakref_getweakrefs, METH_O, _weakref_getweakrefs__doc__},
      76  
      77  PyDoc_STRVAR(_weakref_proxy__doc__,
      78  "proxy($module, object, callback=None, /)\n"
      79  "--\n"
      80  "\n"
      81  "Create a proxy object that weakly references \'object\'.\n"
      82  "\n"
      83  "\'callback\', if given, is called with a reference to the\n"
      84  "proxy when \'object\' is about to be finalized.");
      85  
      86  #define _WEAKREF_PROXY_METHODDEF    \
      87      {"proxy", _PyCFunction_CAST(_weakref_proxy), METH_FASTCALL, _weakref_proxy__doc__},
      88  
      89  static PyObject *
      90  _weakref_proxy_impl(PyObject *module, PyObject *object, PyObject *callback);
      91  
      92  static PyObject *
      93  _weakref_proxy(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
      94  {
      95      PyObject *return_value = NULL;
      96      PyObject *object;
      97      PyObject *callback = NULL;
      98  
      99      if (!_PyArg_CheckPositional("proxy", nargs, 1, 2)) {
     100          goto exit;
     101      }
     102      object = args[0];
     103      if (nargs < 2) {
     104          goto skip_optional;
     105      }
     106      callback = args[1];
     107  skip_optional:
     108      return_value = _weakref_proxy_impl(module, object, callback);
     109  
     110  exit:
     111      return return_value;
     112  }
     113  /*[clinic end generated code: output=f4be6b8177fbceb8 input=a9049054013a1b77]*/