[issue13476] Simple exclusion filter for unittest autodiscovery

[Gustavo Arzola]

Gustavo Arzola <gustavo at xcode.com> added the comment:

I use netatalk so that I can edit my projects on my laptop (Mac) but run them on my server (Linux).  Netatalk creates all kinds of .AppleDouble sub-directories that contain files with the same names as the parents, but generally hold icon, desktop location, and other meta information.  When unittest tries to load this files, it generates a ValueError.

I like using "python setup.py tests" on my pyramid projects, but this always fails the moment I look at a directory through my laptop (which creates the .AppleDouble subdirectory).  A -x flag would be more useful if I could specify it on the "python setup.py tests" command line or in a config file or in an environment variable.

I'm sure there are other software products that create hidden subdirectories that may contain file names that might confuse unittest.  So I think a general mechanism rather than a specific one is a better solution.

Also, it would be really nice if unittest printed the full path name of the file it was trying to import before spitting out the error -- it took a _lot_ of hunting and googling in order to understand what was going on.

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nosy: +gustavoarzola
versions: +Python 2.7

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<http://bugs.python.org/issue13476>
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