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list comprehension to do os.path.split_all ?

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  list comprehension to do os.path.split_all ? gry <georgeryoung@gmail.com> - 2011-07-28 13:18 -0700
    Re: list comprehension to do os.path.split_all ? Stefaan Himpe <stefaan.himpe@gmail.com> - 2011-07-28 22:32 +0200
    Re: list comprehension to do os.path.split_all ? Neil Cerutti <neilc@norwich.edu> - 2011-07-28 20:36 +0000
      Re: list comprehension to do os.path.split_all ? Ethan Furman <ethan@stoneleaf.us> - 2011-07-28 14:03 -0700
    Re: list comprehension to do os.path.split_all ? Alan Meyer <ameyer2@yahoo.com> - 2011-07-28 16:40 -0400
      Re: list comprehension to do os.path.split_all ? TheSaint <no@nowhere.net.no> - 2011-07-29 22:29 +0800
    Re: list comprehension to do os.path.split_all ? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-28 14:44 -0600
    Re: list comprehension to do os.path.split_all ? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-28 14:47 -0600
    Re: list comprehension to do os.path.split_all ? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-28 15:04 -0600
    Re: list comprehension to do os.path.split_all ? Alexander Kapps <alex.kapps@web.de> - 2011-07-28 23:06 +0200
    Re: list comprehension to do os.path.split_all ? Emile van Sebille <emile@fenx.com> - 2011-07-28 14:15 -0700
    Re: list comprehension to do os.path.split_all ? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-28 15:31 -0600
      Re: list comprehension to do os.path.split_all ? Carl Banks <pavlovevidence@gmail.com> - 2011-07-29 12:30 -0700
        Re: list comprehension to do os.path.split_all ? Alexander Kapps <alex.kapps@web.de> - 2011-07-29 22:22 +0200
        Re: list comprehension to do os.path.split_all ? Michael Poeltl <michael.poeltl@univie.ac.at> - 2011-07-30 02:23 +0200
        Re: list comprehension to do os.path.split_all ? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-30 10:55 +1000
        Re: list comprehension to do os.path.split_all ? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-07-29 22:17 -0700
        Re: list comprehension to do os.path.split_all ? Michael Poeltl <michael.poeltl@univie.ac.at> - 2011-07-31 07:40 +0200
    Re: list comprehension to do os.path.split_all ? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-07-28 21:15 -0700
      Re: list comprehension to do os.path.split_all ? Neil Cerutti <neilc@norwich.edu> - 2011-07-29 12:40 +0000
        Re: list comprehension to do os.path.split_all ? Hrvoje Niksic <hniksic@xemacs.org> - 2011-07-31 08:42 +0200

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#10618

Neil Cerutti <neilc@norwich.edu> writes:

> On 2011-07-29, Dennis Lee Bieber <wlfraed@ix.netcom.com> wrote:
>> 	Fine... So normpath it first...
>>
>>>>> os.path.normpath(r'C:/windows').split(os.sep)
>> ['C:', 'windows']

That apparently doesn't distinguish between r'C:\windows' and
r'C:windows'.  On Windows the first is an absolute path, the second a
relative path, and both contain a drive letter.

>     while tail != '':
>         retval.append(tail)
>         head, tail = os.path.split(head)
>     else:
>         if os.path.isabs(path):
>             retval.append(os.path.sep)
>         return list(reversed(retval))

Note that using 'else' after 'while' is superfluous if the loop doesn't
contain a 'break' statement.

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