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Re: list comprehension to do os.path.split_all ?

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From Ian Kelly <ian.g.kelly@gmail.com>
Date Thu, 28 Jul 2011 15:04:52 -0600
Subject Re: list comprehension to do os.path.split_all ?
To gry <georgeryoung@gmail.com>
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On Thu, Jul 28, 2011 at 2:47 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> On Thu, Jul 28, 2011 at 2:44 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
>> path = '/home/gyoung/hacks/pathhack/foo.py'
>> parts = [part for path, part in iter(lambda: os.path.split(path), ('/', ''))]
>> parts.reverse()
>> print parts
>>
>> But that's horrendously ugly.  Just write a generator with a while
>> loop or something.
>
> Also, note that if the path does not start with '/', the result will
> be an infinite loop.

Oh, and this won't work at all in Python 3, because it relies on the
lambda having access to the list comprehension scope.

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Thread

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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