[issue9018] os.path.normcase(None) does not raise an error on linux and should

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

My understanding is that there is a deep problem here, in that file system case (and in some cases encoding) is not OS/platform dependent, but is rather *file system* dependent.

Adding lower to normcase on OS X is probably not going to break much code (he says with no evidence to back it up), but someday it would be nice to address the various file system type dependencies in the os module :(

In any case, it is probably better to address the 'lower' issue in a separate issue/patch.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9018>
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