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Merged revisions 78505-78506 via svnmerge from

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svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r78505 | benjamin.peterson | 2010-02-27 11:40:01 -0600 (Sat, 27 Feb 2010) | 1 line

  only accept AttributeError as indicating no __prepare__ attribute on a metaclass, allowing lookup errors to propogate
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  r78506 | benjamin.peterson | 2010-02-27 11:41:13 -0600 (Sat, 27 Feb 2010) | 1 line

  check PyDict_New() for error
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This commit is contained in:
Benjamin Peterson 2010-02-27 17:56:22 +00:00
parent b7f27ff9ac
commit 1ca73ede26
3 changed files with 32 additions and 8 deletions
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24
Python/bltinmodule.c
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@ -108,8 +108,16 @@ builtin___build_class__(PyObject *self, PyObject *args, PyObject *kwds)
}
prep = PyObject_GetAttrString(meta, "__prepare__");
if (prep == NULL) {
PyErr_Clear();
ns = PyDict_New();
if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
PyErr_Clear();
ns = PyDict_New();
}
else {
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
return NULL;
}
}
else {
PyObject *pargs = PyTuple_Pack(2, name, bases);
@ -123,12 +131,12 @@ builtin___build_class__(PyObject *self, PyObject *args, PyObject *kwds)
ns = PyEval_CallObjectWithKeywords(prep, pargs, mkw);
Py_DECREF(pargs);
Py_DECREF(prep);
if (ns == NULL) {
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
return NULL;
}
}
if (ns == NULL) {
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
return NULL;
}
cell = PyObject_CallFunctionObjArgs(func, ns, NULL);
if (cell != NULL) {