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make the types of None and Ellipsis callable

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This commit is contained in:
Benjamin Peterson 2011-07-29 18:19:43 -05:00
parent 4f921c2e06
commit c4607aeedd
4 changed files with 73 additions and 0 deletions
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34
Objects/object.c
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@ -1277,6 +1277,16 @@ none_dealloc(PyObject* ignore)
Py_FatalError("deallocating None");
}
static PyObject *
none_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
if (PyTuple_GET_SIZE(args) || (kwargs && PyDict_Size(kwargs))) {
PyErr_SetString(PyExc_TypeError, "NoneType takes no arguments");
return NULL;
}
Py_RETURN_NONE;
}
static int
none_bool(PyObject *v)
{
@ -1335,6 +1345,30 @@ static PyTypeObject PyNone_Type = {
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
0, /*tp_call */
0, /*tp_str */
0, /*tp_getattro */
0, /*tp_setattro */
0, /*tp_as_buffer */
Py_TPFLAGS_DEFAULT, /*tp_flags */
0, /*tp_doc */
0, /*tp_traverse */
0, /*tp_clear */
0, /*tp_richcompare */
0, /*tp_weaklistoffset */
0, /*tp_iter */
0, /*tp_iternext */
0, /*tp_methods */
0, /*tp_members */
0, /*tp_getset */
0, /*tp_base */
0, /*tp_dict */
0, /*tp_descr_get */
0, /*tp_descr_set */
0, /*tp_dictoffset */
0, /*tp_init */
0, /*tp_alloc */
none_new, /*tp_new */
};
PyObject _Py_NoneStruct = {