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slot_sq_item(): ensure that self is an instance of the wrapper's

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d_type before calling the wrapped function.

fixup_slot_dispatchers(): fix indentation.
This commit is contained in:
Guido van Rossum 2001-10-17 07:15:43 +00:00
parent bcbdc95e90
commit caf59043d1
1 changed files with 5 additions and 3 deletions
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8
Objects/typeobject.c
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@ -2908,7 +2908,8 @@ slot_sq_item(PyObject *self, int i)
if (func->ob_type == &PyWrapperDescr_Type) { if (func->ob_type == &PyWrapperDescr_Type) {
PyWrapperDescrObject *wrapper = PyWrapperDescrObject *wrapper =
(PyWrapperDescrObject *)func; (PyWrapperDescrObject *)func;
if (wrapper->d_base->wrapper == wrap_sq_item) { if (wrapper->d_base->wrapper == wrap_sq_item &&
PyType_IsSubtype(self->ob_type, wrapper->d_type)) {
intargfunc f; intargfunc f;
f = (intargfunc)(wrapper->d_wrapped); f = (intargfunc)(wrapper->d_wrapped);
return f(self, i); return f(self, i);
@ -3938,9 +3939,10 @@ fixup_slot_dispatchers(PyTypeObject *type)
if (descr->ob_type == &PyWrapperDescr_Type) { if (descr->ob_type == &PyWrapperDescr_Type) {
d = (PyWrapperDescrObject *)descr; d = (PyWrapperDescrObject *)descr;
if (d->d_base->wrapper == p->wrapper && if (d->d_base->wrapper == p->wrapper &&
PyType_IsSubtype(type, d->d_type)) { PyType_IsSubtype(type, d->d_type))
{
if (specific == NULL || if (specific == NULL ||
specific == d->d_wrapped) specific == d->d_wrapped)
specific = d->d_wrapped; specific = d->d_wrapped;
else else
use_generic = 1; use_generic = 1;