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PyMethod_Type: add a tp_descr_get slot function to ensure proper 

binding of unbound methods.
This commit is contained in:
Guido van Rossum 2001-08-15 17:52:31 +00:00
parent b5a136b05d
commit 23cc2b4991
1 changed files with 19 additions and 1 deletions
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20
Objects/classobject.c
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@ -2193,6 +2193,14 @@ instancemethod_call(PyObject *func, PyObject *arg, PyObject *kw)
return result;
}
static PyObject *
instancemethod_descr_get(PyObject *meth, PyObject *obj, PyObject *type)
{
if (obj == Py_None)
obj = NULL;
return PyMethod_New(PyMethod_GET_FUNCTION(meth), obj, type);
}
PyTypeObject PyMethod_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
@ -2219,7 +2227,17 @@ PyTypeObject PyMethod_Type = {
(traverseproc)instancemethod_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
offsetof(PyMethodObject, im_weakreflist) /* tp_weaklistoffset */
offsetof(PyMethodObject, im_weakreflist), /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
instancemethod_descr_get, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
};
/* Clear out the free list */