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merge 3.2

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Benjamin Peterson 2012-04-01 18:51:37 -04:00
commit 9ee601e197
1 changed files with 9 additions and 13 deletions
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8
Objects/typeobject.c
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@ -490,26 +490,22 @@ type_set_bases(PyTypeObject *type, PyObject *value, void *context)
for (i = 0; i < PyTuple_GET_SIZE(value); i++) { for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
ob = PyTuple_GET_ITEM(value, i); ob = PyTuple_GET_ITEM(value, i);
if (!PyType_Check(ob)) { if (!PyType_Check(ob)) {
PyErr_Format( PyErr_Format(PyExc_TypeError,
PyExc_TypeError,
"%s.__bases__ must be tuple of classes, not '%s'", "%s.__bases__ must be tuple of classes, not '%s'",
type->tp_name, Py_TYPE(ob)->tp_name); type->tp_name, Py_TYPE(ob)->tp_name);
return -1; return -1;
} }
if (PyType_Check(ob)) {
if (PyType_IsSubtype((PyTypeObject*)ob, type)) { if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
PyErr_SetString(PyExc_TypeError, PyErr_SetString(PyExc_TypeError,
"a __bases__ item causes an inheritance cycle"); "a __bases__ item causes an inheritance cycle");
return -1; return -1;
} }
} }
}
new_base = best_base(value); new_base = best_base(value);
if (!new_base) { if (!new_base)
return -1; return -1;
}
if (!compatible_for_assignment(type->tp_base, new_base, "__bases__")) if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
return -1; return -1;