Re: sys.stdout.detach() results in ValueError

Path	csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path	<python-python-list@m.gmane.org>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/simple; d=python.org; s=200901; t=1331178584; bh=rnEIHH8HVCIUwqR2hFxKk/j66siPA7EbIZB2b2Cq4Rs=; h=To:From:Subject:Date:Message-ID:References:Mime-Version: Content-Type:Content-Transfer-Encoding; b=L8z5vrJXQkMJd8TaqY2V/1bk2JQSl2tL0WKangPxlQtp0Un+EUhuAcIhP/1i5CzqL QZGK2KMfbp3C3odSlmZ2WRu6XFWQ/rzb6pCjvrOTVQ3RbZsmm9ckH/XxI0nb7fS9aW Xyju7DLWVz446wJzZzUm53fVr4/L2UQkuTU8ioag=
X-Spam-Status	OK 0.010
X-Spam-Evidence	'H': 0.98; 'S': 0.00; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'valueerror:': 0.09; 'error:': 0.10; 'exception': 0.12; 'tries': 0.15; 'message-id:@post.gmane.org': 0.16; 'subject:() ': 0.16; 'subject:skip:s 10': 0.18; 'from:addr:python.org': 0.20; 'writes:': 0.25; 'script': 0.28; 'yet': 0.32; 'header:User-Agent:1': 0.33; 'header:X-Complaints- To:1': 0.34; 'rather': 0.34; 'probably': 0.35; 'to:addr:python- list': 0.35; 'received:org': 0.36; 'charset:us-ascii': 0.37; 'using': 0.37; 'some': 0.38; 'to:addr:python.org': 0.40; 'print()': 0.84; 'safest': 0.84; 'sys.stdout.': 0.84
X-Injected-Via-Gmane	http://gmane.org/
To	python-list@python.org
From	Benjamin Peterson <benjamin@python.org>
Subject	Re: sys.stdout.detach() results in ValueError
Date	Thu, 8 Mar 2012 03:49:25 +0000 (UTC)
References	<alpine.DEB.2.00.1203072032590.2657@pebbe>
Mime-Version	1.0
Content-Type	text/plain; charset=us-ascii
Content-Transfer-Encoding	7bit
X-Gmane-NNTP-Posting-Host	sea.gmane.org
User-Agent	Loom/3.14 (http://gmane.org/)
X-Loom-IP	64.131.9.52 (Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20100101 Firefox/10.0.1)
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.12
Precedence	list
List-Id	General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe	<http://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	<http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups	comp.lang.python
Message-ID	<mailman.500.1331178585.3037.python-list@python.org> (permalink)
Lines	11
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1331178585 news.xs4all.nl 6845 [2001:888:2000:d::a6]:38673
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:21369

Show key headers only | View raw

Peter Kleiweg <pkleiweg <at> xs4all.nl> writes:
> Not yet using fp in any way, this script gives the following error:
> 
>     Exception ValueError: 'underlying buffer has been detached' in

You're probably using print() or some such which tries to write to sys.stdout.
It's safest to just write to sys.stdout.buffer rather than using detach.

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

Thread

sys.stdout.detach() results in ValueError Peter Kleiweg <pkleiweg@xs4all.nl> - 2012-03-07 20:41 +0100
  Re: sys.stdout.detach() results in ValueError Dave Angel <d@davea.name> - 2012-03-07 17:14 -0500
    Re: sys.stdout.detach() results in ValueError Peter Kleiweg <pkleiweg@xs4all.nl> - 2012-03-07 23:35 +0100
      Re: sys.stdout.detach() results in ValueError Terry Reedy <tjreedy@udel.edu> - 2012-03-07 19:10 -0500
        Re: sys.stdout.detach() results in ValueError Mark Tolonen <metolone@gmail.com> - 2012-03-07 16:41 -0800
  Re: sys.stdout.detach() results in ValueError Benjamin Peterson <benjamin@python.org> - 2012-03-08 03:49 +0000

csiph-web