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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 21:33:06 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 21:33:06 (GMT) |
| commit | 6a534e7e7b9820bcae40883d6158ec19887fceb3 (patch) | |
| tree | 258214af864165f89c10d4dbd3443d5cb9728788 /Objects | |
| parent | 571e8fda9b6fdf2172ee071457d5f9e73fe4d70d (diff) | |
| parent | d9561318d849df12775d7a111aa85bbf62a54c0f (diff) | |
| download | cpython-6a534e7e7b9820bcae40883d6158ec19887fceb3.zip cpython-6a534e7e7b9820bcae40883d6158ec19887fceb3.tar.gz cpython-6a534e7e7b9820bcae40883d6158ec19887fceb3.tar.bz2 | |
(Merge 3.2) Issue #9756: When calling a method descriptor or a slot wrapper
descriptor, the check of the object type doesn't read the __class__ attribute
anymore. Fix a crash if a class override its __class__ attribute (e.g. a proxy
of the str type).
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/descrobject.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Objects/descrobject.c b/Objects/descrobject.c index 11c68d3..93daefd 100644 --- a/Objects/descrobject.c +++ b/Objects/descrobject.c @@ -226,7 +226,8 @@ methoddescr_call(PyMethodDescrObject *descr, PyObject *args, PyObject *kwds) return NULL; } self = PyTuple_GET_ITEM(args, 0); - if (!PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr))) { + if (!_PyObject_RealIsSubclass((PyObject *)Py_TYPE(self), + (PyObject *)PyDescr_TYPE(descr))) { PyErr_Format(PyExc_TypeError, "descriptor '%V' " "requires a '%.100s' object " @@ -284,7 +285,8 @@ wrapperdescr_call(PyWrapperDescrObject *descr, PyObject *args, PyObject *kwds) return NULL; } self = PyTuple_GET_ITEM(args, 0); - if (!PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr))) { + if (!_PyObject_RealIsSubclass((PyObject *)Py_TYPE(self), + (PyObject *)PyDescr_TYPE(descr))) { PyErr_Format(PyExc_TypeError, "descriptor '%V' " "requires a '%.100s' object " @@ -1065,7 +1067,8 @@ PyWrapper_New(PyObject *d, PyObject *self) assert(PyObject_TypeCheck(d, &PyWrapperDescr_Type)); descr = (PyWrapperDescrObject *)d; - assert(PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr))); + assert(_PyObject_RealIsSubclass((PyObject *)Py_TYPE(self), + (PyObject *)PyDescr_TYPE(descr))); wp = PyObject_GC_New(wrapperobject, &wrappertype); if (wp != NULL) { |