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complain when a class variable shadows a name in __slots__ (closes #12766)

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Benjamin Peterson 2011-08-16 18:53:26 -05:00
parent 51be6e0a0f
commit c4085c8470
3 changed files with 17 additions and 0 deletions
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6
Objects/typeobject.c
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@ -2094,6 +2094,12 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
if (!tmp)
goto bad_slots;
PyList_SET_ITEM(newslots, j, tmp);
if (PyDict_GetItem(dict, tmp)) {
PyErr_Format(PyExc_ValueError,
"%R in __slots__ conflicts with class variable",
tmp);
goto bad_slots;
}
j++;
}
assert(j == nslots - add_dict - add_weak);