Re: The opener parameter of Python 3 open() built-in

From	Ben Finney <ben+python@benfinney.id.au>
Newsgroups	comp.lang.python
Subject	Re: The opener parameter of Python 3 open() built-in
References	<k2280c$nf1$1@speranza.aioe.org> <mailman.139.1346678967.27098.python-list@python.org> <504555a5$0$29978$c3e8da3$5496439d@news.astraweb.com> <mailman.167.1346728806.27098.python-list@python.org> <87bohm8j73.fsf@benfinney.id.au>
Date	2012-09-04 15:20 +1000
Message-ID	<877gsa8iu8.fsf@benfinney.id.au> (permalink)
Organization	Unlimited download news at news.astraweb.com

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Ben Finney <ben+python@benfinney.id.au> writes:

> So, having written the opener:
>
> > On Mon, 03 Sep 2012 15:29:05 +0200, Christian Heimes wrote:
> > > import os
> > > 
> > > def opener(file, flags):
> > >     return os.open(file, flags | os.O_EXCL)
>
> why not call that directly?
>
>     f = opener(file, flags)

Ah, because that returns the file descriptor, not the file. I see.

-- 
 \         “If nature has made any one thing less susceptible than all |
  `\    others of exclusive property, it is the action of the thinking |
_o__)              power called an idea” —Thomas Jefferson, 1813-08-13 |
Ben Finney

Thread

The opener parameter of Python 3 open() built-in Marco <marco_u@nsgmail.com> - 2012-09-03 14:32 +0200
  Re: The opener parameter of Python 3 open() built-in Dave Angel <d@davea.name> - 2012-09-03 09:05 -0400
    Re: The opener parameter of Python 3 open() built-in Marco <marco_u@nsgmail.com> - 2012-09-03 15:33 +0200
    Re: The opener parameter of Python 3 open() built-in Marco <marco.buttu@gmail.com> - 2012-09-03 15:33 +0200
  Re: The opener parameter of Python 3 open() built-in Christian Heimes <lists@cheimes.de> - 2012-09-03 15:29 +0200
    Re: The opener parameter of Python 3 open() built-in Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-04 01:13 +0000
      Re: The opener parameter of Python 3 open() built-in Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-03 23:19 -0400
        Re: The opener parameter of Python 3 open() built-in Ben Finney <ben+python@benfinney.id.au> - 2012-09-04 15:12 +1000
          Re: The opener parameter of Python 3 open() built-in Ben Finney <ben+python@benfinney.id.au> - 2012-09-04 15:20 +1000
          Re: The opener parameter of Python 3 open() built-in Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-04 14:44 -0400
        Re: The opener parameter of Python 3 open() built-in Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-04 05:25 +0000
          Re: The opener parameter of Python 3 open() built-in Ben Finney <ben+python@benfinney.id.au> - 2012-09-04 15:45 +1000
      Re: The opener parameter of Python 3 open() built-in Serhiy Storchaka <storchaka@gmail.com> - 2012-09-04 15:58 +0300
      Re: The opener parameter of Python 3 open() built-in Terry Reedy <tjreedy@udel.edu> - 2012-09-04 15:16 -0400
      Re: The opener parameter of Python 3 open() built-in Chris Angelico <rosuav@gmail.com> - 2012-09-05 08:18 +1000
      Re: The opener parameter of Python 3 open() built-in Terry Reedy <tjreedy@udel.edu> - 2012-09-04 19:16 -0400
      Re: The opener parameter of Python 3 open() built-in Antoine Pitrou <solipsis@pitrou.net> - 2012-09-06 00:34 +0000
        Re: The opener parameter of Python 3 open() built-in Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-06 06:34 +0000
  Re: The opener parameter of Python 3 open() built-in Serhiy Storchaka <storchaka@gmail.com> - 2012-09-03 19:06 +0300
  Re: The opener parameter of Python 3 open() built-in Serhiy Storchaka <storchaka@gmail.com> - 2012-09-04 16:01 +0300

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