[Python-Dev] A wart which should have been repaired in 3.0?
Phillip J. Eby
pje at telecommunity.com
Tue Dec 30 13:33:36 CET 2008
At 06:14 AM 12/30/2008 -0600, skip at pobox.com wrote:
>Paul demonstrates the shortcoming of commonprefix:
>
> >>> os.path.commonprefix(["foo\\bar\\baz", "foo/bar/boink"])
> 'foo'
>
>With the patch in issue4755:
>
> >>> import ntpath
> >>> ntpath.commonpathprefix(["foo\\bar\\baz", "foo/bar/boink"])
> 'foo\\bar'
But it doesn't handle the fact that Windows paths are
case-insensitive, or that Posix paths can have symlinks... or that
one path might be relative and another absolute...
As soon as you move away from being a string operation, you get an
endless series of gotchas... none of which are currently documented.
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