Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.datemas.de!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.018 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'subject:Windows': 0.02; 'output': 0.05; 'finishes': 0.16; 'idle,': 0.16; 'observations': 0.16; 'reedy': 0.16; 'stderr': 0.16; 'traceback.': 0.16; 'wrote:': 0.18; 'header:User-Agent:1': 0.23; 'header:In-Reply-To:1': 0.27; 'to:2**1': 0.27; 'url:bugs': 0.29; 'am,': 0.29; "doesn't": 0.30; 'received:132': 0.31; 'run': 0.32; 'url:python': 0.33; 'guess': 0.33; 'subject:with': 0.35; 'but': 0.35; 'add': 0.35; 'idle': 0.36; 'subject:?': 0.36; 'url:org': 0.36; 'being': 0.38; 'to:addr :python-list': 0.38; 'to:addr:python.org': 0.39; 'eventually': 0.60; 'header:Return-path:1': 0.60; 'mentioned': 0.61; 'hang': 0.67 Delivery-date: Thu, 03 Jul 2014 11:21:31 +0200 Date: Thu, 03 Jul 2014 11:22:44 +0200 From: Wolfgang Maier User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Terry Reedy , python-list@python.org Subject: Re: Success with subprocess communicate on Windows? References: <53B50E3B.1040006@biologie.uni-freiburg.de> In-Reply-To: <53B50E3B.1040006@biologie.uni-freiburg.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 11 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1404379292 news.xs4all.nl 2894 [2001:888:2000:d::a6]:49081 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:73889 On 07/03/2014 10:03 AM, Wolfgang Maier wrote: > On 07/03/2014 06:09 AM, Terry Reedy wrote: > > - what is happening to the stderr output when run in IDLE ? I guess it > is caught and suppressed somewhere, but to add to your observations the > check_output call doesn't hang on IDLE, but finishes eventually with no > output other than the traceback. stderr output not being displayed in IDLE is mentioned in http://bugs.python.org/issue13582 .