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Patch from SF bug 570483 (Tim Northover). 

In a fresh interpreter, type.mro(tuple) would segfault, because
PyType_Ready() isn't called for tuple yet.  To fix, call
PyType_Ready(type) if type->tp_dict is NULL.
This commit is contained in:
Guido van Rossum 2002-06-18 16:44:57 +00:00
parent a0b9075816
commit 63517577fd
2 changed files with 6 additions and 0 deletions
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1
Misc/ACKS
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@ -336,6 +336,7 @@ Oscar Nierstrasz
Hrvoje Niksic
Bill Noon
Stefan Norberg
Tim Northover
Joe Norton
Neal Norwitz
Jeffrey Ollie

5
Objects/typeobject.c
View File

@ -742,6 +742,11 @@ mro_implementation(PyTypeObject *type)
int i, n, ok;
PyObject *bases, *result;
if(type->tp_dict == NULL) {
if(PyType_Ready(type) < 0)
return NULL;
}
bases = type->tp_bases;
n = PyTuple_GET_SIZE(bases);
result = Py_BuildValue("[O]", (PyObject *)type);