python_files causes reload to fail?

[pytestbot]

Originally reported by: Wayne Werner (BitBucket: waynew, GitHub: waynew)

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I am the author of https://github.com/waynew/draftin-a-flask and am using py.test for all my testing needs (Frikken fantastic tool, thanks everyone for your work!) But I've come across the strangest issue. When I add

[pytest]
python_files=*.py

to my tox.ini script, it seems to break the reload function. Check out revision aaf37795dfc49bd83e66976e3e781eb7a588caeb to observe this one weird behavior that developers love to hate.

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• Bitbucket: https://bitbucket.org/pytest-dev/pytest/issue/435

[pytestbot]

Original comment by holger krekel (BitBucket: hpk42, GitHub: hpk42):

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Sorry for taking a while. Could you try to run your tests with "--assert=no" and see if that helps with reloading? If not, how can i reproduce the issue?

[pytestbot]

Original comment by Wayne Werner (BitBucket: waynew, GitHub: waynew):

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--assert=plain does not throw the error with reload not being defined.

I think it might actually have something to do with picking up the setup.py file. When I changed it to python_files=tests/*.py things seemed to clear up.

[pytestbot]

Original comment by holger krekel (BitBucket: hpk42, GitHub: hpk42):

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Could you try to guard your setup.py by only invoking setup when __name__ == "__main__" to verify the theory?

[pytestbot]

Original comment by Wayne Werner (BitBucket: waynew, GitHub: waynew):

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Looks like I was incorrect - I even tried removing setup.py, and no dice - I still get the problem with reload missing from sys.modules

[pytestbot]

Original comment by Daniel Hahler (BitBucket: blueyed, GitHub: blueyed):

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Here is a fix for it: https://bitbucket.org/pytest-dev/pytest/pull-request/259/fix-reload-for-files-matched-by

[pytestbot]

Original comment by holger krekel (BitBucket: hpk42, GitHub: hpk42):

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fix issue435: make reload() work when assert rewriting is active.
Thanks Daniel Hahler.