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Issue #24257: Fixed incorrect uses of PyObject_IsInstance().

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Fixed segmentation fault in sqlite3.Row constructor with faked cursor type.
Fixed system error in the comparison of faked types.SimpleNamespace.
This commit is contained in:
Serhiy Storchaka 2015-05-22 11:02:49 +03:00
parent df9ba3623a
commit 08d230a540
6 changed files with 36 additions and 8 deletions
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7
Objects/namespaceobject.c
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@ -164,12 +164,11 @@ namespace_clear(_PyNamespaceObject *ns)
static PyObject *
namespace_richcompare(PyObject *self, PyObject *other, int op)
{
if (PyObject_IsInstance(self, (PyObject *)&_PyNamespace_Type) &&
PyObject_IsInstance(other, (PyObject *)&_PyNamespace_Type))
if (PyObject_TypeCheck(self, &_PyNamespace_Type) &&
PyObject_TypeCheck(other, &_PyNamespace_Type))
return PyObject_RichCompare(((_PyNamespaceObject *)self)->ns_dict,
((_PyNamespaceObject *)other)->ns_dict, op);
Py_INCREF(Py_NotImplemented);
return Py_NotImplemented;
Py_RETURN_NOTIMPLEMENTED;
}