[issue6697] Check that _PyUnicode_AsString() result is not NULL

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> I wrote a similar patch to add PyModule_GetNameObject() 
> (I am working on another huge patch, to fix #3080)

Issue #3080 added the PyModule_GetNameObject() function, so it simplify your patch.

I commited your issue6697-lsprof.diff patch, I just fixed a refleak (if modname is "builtins").

I want to close this generic issue. I think that we fixed enough code. If you still see code not checking that _PyUnicode_AsString() result is not NULL, please open a new specific issue.

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<http://bugs.python.org/issue6697>
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