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Subtle change to make None.__class__ work:

Browse Source 
- descrobject.c:descr_check(): only believe None means the same as
  NULL if the type given is None's type.

- typeobject.c:wrap_descr_get(): don't "conventiently" default an
  absent type to the type of the object argument.  Let the called
  function figure it out.
This commit is contained in:
Guido van Rossum 2001-08-16 08:27:33 +00:00
parent f6309e8ecf
commit 8098ddbe81
2 changed files with 2 additions and 4 deletions
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4
Objects/descrobject.c
View File

@ -91,9 +91,9 @@ wrapper_repr(PyWrapperDescrObject *descr)
static int
descr_check(PyDescrObject *descr, PyObject *obj, PyTypeObject *type,
PyObject **pres)
PyObject **pres)
{
if (obj == NULL || obj == Py_None) {
if (obj == NULL || (obj == Py_None && type != Py_None->ob_type)) {
Py_INCREF(descr);
*pres = (PyObject *)descr;
return 1;

2
Objects/typeobject.c
View File

@ -1862,8 +1862,6 @@ wrap_descr_get(PyObject *self, PyObject *args, void *wrapped)
if (!PyArg_ParseTuple(args, "O|O", &obj, &type))
return NULL;
if (type == NULL)
type = (PyObject *)obj->ob_type;
return (*func)(self, obj, type);
}