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Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)

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The fix is a band-aid: type_call() now makes the same exception for a
single-argument call to type() as type_new() was already making.
This commit is contained in:
Guido van Rossum 2001-10-18 15:49:21 +00:00
parent b7da67a873
commit f76de62f7d
3 changed files with 20 additions and 0 deletions
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7
Objects/typeobject.c
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@ -147,6 +147,13 @@ type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
obj = type->tp_new(type, args, kwds);
if (obj != NULL) {
/* Ugly exception: when the call was type(something),
don't call tp_init on the result. */
if (type == &PyType_Type &&
PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
(kwds == NULL ||
(PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
return obj;
type = obj->ob_type;
if (type->tp_init != NULL &&
type->tp_init(obj, args, kwds) < 0) {