Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #80854

Re: fileno() not supported in Python 3.1

Path csiph.com!usenet.pasdenom.info!dedibox.gegeweb.org!gegeweb.eu!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path <drsalists@gmail.com>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.015
X-Spam-Evidence '*H*': 0.97; '*S*': 0.00; 'subject:not': 0.03; 'subject:Python': 0.06; 'sys': 0.07; 'cc:addr:python-list': 0.11; 'cc:name:python list': 0.16; 'workaround?': 0.16; 'wrote:': 0.18; 'thu,': 0.19; 'import': 0.22; 'cc:addr:python.org': 0.22; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'message- id:@mail.gmail.com': 0.30; 'url:mailman': 0.30; '13,': 0.31; 'url:python': 0.33; 'received:google.com': 0.35; 'there': 0.35; 'url:listinfo': 0.36; 'url:org': 0.36; 'nov': 0.38; 'pm,': 0.38; 'little': 0.38; 'skip:p 20': 0.39; 'url:mail': 0.40; 'different': 0.65; 'to:addr:gmail.com': 0.65; 'skip:/ 30': 0.84
DKIM-Signature v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=U0Me8+L6NaQyFOXZnvrWqRkZ57YkvPermKn/hmsawkA=; b=JQfoi+immBmXVWl/QQlZ61ORccpkx/nenFBvSh/EX676wHbWPskI8E/LU88v/B+lSD XP/hsM1rw4scMHqYgrQ8GoAFsV1xx7ltXl/SLHEejlMM+F6vkrOSZS5FURXDdiwUFsUH q8ICYixnxdDv7Oq1YOxl64E0lFHtzjx60AJnMDO9MOc0hhJbN7I+eXQIX7Mfl4ikpn7r fnEHyF53BR3ixOLyz50TwbWbFAaToa/uaCzQ+n4NfBdh/ITx1U2H61KefzXcAnu8MI4v HuRrApqyHrGgjRmGm+kg4s95X/jkz1PBrbozGYPFIXUfq3CBWPVZv1U84m1hYYAn+rz+ /qFA==
MIME-Version 1.0
X-Received by 10.152.88.69 with SMTP id be5mr17699690lab.36.1416115546436; Sat, 15 Nov 2014 21:25:46 -0800 (PST)
In-Reply-To <bcc9a923-4a68-45b2-9854-a6f750e71ee7@googlegroups.com>
References <bcc9a923-4a68-45b2-9854-a6f750e71ee7@googlegroups.com>
Date Sat, 15 Nov 2014 21:25:46 -0800
Subject Re: fileno() not supported in Python 3.1
From Dan Stromberg <drsalists@gmail.com>
To satishmlmlml@gmail.com
Content-Type text/plain; charset=UTF-8
Cc Python List <python-list@python.org>
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.15
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.15868.1416115554.18130.python-list@python.org> (permalink)
Lines 28
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1416115554 news.xs4all.nl 2829 [2001:888:2000:d::a6]:56052
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:80854

Show key headers only | View raw


On Thu, Nov 13, 2014 at 3:48 PM,  <satishmlmlml@gmail.com> wrote:
> import sys
> for stream in (sys.stdin, sys.stdout, sys.stderr):
>            print(stream.fileno())
>
>
> io.UnsupportedOperation: fileno
>
> Is there a workaround?
> --
> https://mail.python.org/mailman/listinfo/python-list

Works for me, although it's a little different in Jython:
$ pythons --command 'import sys; print(sys.stdin.fileno())'
/usr/local/cpython-2.4/bin/python good 0
/usr/local/cpython-2.5/bin/python good 0
/usr/local/cpython-2.6/bin/python good 0
/usr/local/cpython-2.7/bin/python good 0
/usr/local/cpython-3.0/bin/python good 0
/usr/local/cpython-3.1/bin/python good 0
/usr/local/cpython-3.2/bin/python good 0
/usr/local/cpython-3.3/bin/python good 0
/usr/local/cpython-3.4/bin/python good 0
/usr/local/jython-2.7b3/bin/jython good org.python.core.io.StreamIO@170ed6ab
/usr/local/pypy-2.3.1/bin/pypy good 0
/usr/local/pypy-2.4.0/bin/pypy good 0
/usr/local/pypy3-2.3.1/bin/pypy good 0
/usr/local/pypy3-2.4.0/bin/pypy good 0

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

fileno() not supported in Python 3.1 satishmlmlml@gmail.com - 2014-11-13 15:48 -0800
  Re: fileno() not supported in Python 3.1 Ben Finney <ben+python@benfinney.id.au> - 2014-11-14 10:57 +1100
    Re: fileno() not supported in Python 3.1 satishmlmlml@gmail.com - 2014-11-13 16:08 -0800
      Re: fileno() not supported in Python 3.1 Ben Finney <ben+python@benfinney.id.au> - 2014-11-14 13:52 +1100
  Re: fileno() not supported in Python 3.1 Cameron Simpson <cs@zip.com.au> - 2014-11-14 18:36 +1100
  Re: fileno() not supported in Python 3.1 Nobody <nobody@nowhere.invalid> - 2014-11-14 13:59 +0000
    Re: fileno() not supported in Python 3.1 Joel Goldstick <joel.goldstick@gmail.com> - 2014-11-14 09:09 -0500
  Re: fileno() not supported in Python 3.1 Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-14 09:51 -0700
    Re: fileno() not supported in Python 3.1 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-15 22:23 +1100
  Re: fileno() not supported in Python 3.1 Dan Stromberg <drsalists@gmail.com> - 2014-11-15 21:25 -0800
  Re: fileno() not supported in Python 3.1 Chris Angelico <rosuav@gmail.com> - 2014-11-16 16:29 +1100

csiph-web