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bpo-30061: Check if PyObject_Size()/PySequence_Size()/PyMapping_Size() (#1096)

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raised an error.

Replace them with using concrete types API that never fails if appropriate.
This commit is contained in:
Serhiy Storchaka 2017-04-19 20:03:52 +03:00 • committed by GitHub
parent c209b70d61
commit bf623ae884
14 changed files with 108 additions and 48 deletions
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Python/bltinmodule.c
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@ -2442,13 +2442,14 @@ zip_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
Py_ssize_t i;
PyObject *ittuple; /* tuple of iterators */
PyObject *result;
Py_ssize_t tuplesize = PySequence_Length(args);
Py_ssize_t tuplesize;
if (type == &PyZip_Type && !_PyArg_NoKeywords("zip()", kwds))
return NULL;
/* args must be a tuple */
assert(PyTuple_Check(args));
tuplesize = PyTuple_GET_SIZE(args);
/* obtain iterators */
ittuple = PyTuple_New(tuplesize);