Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!news2.arglkargh.de!news.mixmin.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!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 0.010 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'output': 0.05; 'subject:skip:s 10': 0.07; 'subject:instance': 0.09; 'terminated': 0.09; 'works.': 0.09; 'python': 0.11; 'def': 0.12; 'errmsg': 0.16; 'forty': 0.16; 'appears': 0.22; 'header:User-Agent:1': 0.23; 'header:In-Reply-To:1': 0.27; 'tim': 0.29; "i'm": 0.30; 'skip:_ 10': 0.34; 'johnson': 0.35; 'skip:s 60': 0.36; 'charset:us-ascii': 0.36; 'thanks': 0.36; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'break': 0.61; 'content- disposition:inline': 0.62; 'managing': 0.66; '2.7.1': 0.84 Date: Thu, 29 Aug 2013 17:00:21 -0800 From: Tim Johnson To: Python ML Subject: Re: subprocess.Popen instance hangs Mail-Followup-To: Python ML References: <20130829183418.GE414@mail.akwebsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130829183418.GE414@mail.akwebsoft.com> User-Agent: Mutt/1.4.2.3i Organization: AkWebsoft 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: 23 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1377824422 news.xs4all.nl 15893 [2001:888:2000:d::a6]:53247 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:53266 * Tim Johnson [130829 10:51]: > using Python 2.7.1 on OS X 10.7.5 > > I'm managing a process of drush using an instance of subprocess.Popen <...> ## This appears to be what works. def __exec(self,args) : """Run the process with arguments""" p = subprocess.Popen(args,stderr=subprocess.PIPE,stdout=subprocess.PIPE) while 1 : output = p.stdout.read() if output : print(output) else : break errmsg = p.communicate()[1] if errmsg : self.__err('Process terminated with error:',errmsg) ## Thanks again, gnarly one for me. I am eternally a noob! -- Tim tim at tee jay forty nine dot com or akwebsoft dot com http://www.akwebsoft.com