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Mon Dec 29 00:01:52 CET 2008 · https://mail.python.org/pipermail/python-dev/2008-December/084628.html

    Martin> I don't think any change is necessary. os.path.commonprefix
    Martin> works just fine on path components:
    ...

Ummm...

    >>> os.path.commonprefix(["/export/home", "/etc/passwd"])
    '/e'

I suppose that's correct given the defined behavior of the function, but
it certainly doesn't seem to be very path-like to me.

    Martin> Of course, using it that way would require a library function
    Martin> that reliably splits a path into components; I think one would
    Martin> have to do abspath on arbitrary inputs.

See <http://bugs.python.org/issue4755> for what I think is a function with
more predictable behavior given that we are discussing paths and not just
strings.

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Showing content from https://mail.python.org/pipermail/python-dev/2008-December/084628.html below:

[Python-Dev] A wart which should have been repaired in 3.0?