[issue4806] Function calls taking a generator as star argument can mask TypeErrors in the generator
Daniel Urban
report at bugs.python.org
Mon Mar 7 08:21:25 CET 2011
Daniel Urban <urban.dani+py at gmail.com> added the comment:
I'm attaching an updated patch. Instead !PyIter_Check() this patch checks for tp_iter == NULL && !PySequence_Check. If this condition is false, PyObject_GetIter has a chance to succeed (and if it fails, we shouldn't mask the exception). I also added more tests which show why the previous patch was incorrect.
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Added file: http://bugs.python.org/file21028/issue4806.patch
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