Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed5.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 0.021 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'url:sourceforge': 0.02; 'plenty': 0.03; 'url:github': 0.09; 'asyncore': 0.16; 'url:documentation': 0.16; 'cc:addr:python-list': 0.16; 'looked': 0.16; 'this:': 0.16; 'stick': 0.18; 'cc:no real name:2**0': 0.21; 'received:209.85.210.174': 0.21; 'received:mail- iy0-f174.google.com': 0.21; 'header:In-Reply-To:1': 0.22; 'though.': 0.23; 'libraries': 0.24; 'developing': 0.25; 'cc:2**0': 0.26; 'url:mailman': 0.27; 'url:code': 0.28; 'message- id:@mail.gmail.com': 0.29; 'cc:addr:python.org': 0.29; 'seem': 0.29; 'asynchronous': 0.30; 'url:projects': 0.30; '---': 0.31; 'skip:( 20': 0.31; 'url:listinfo': 0.32; 'modules': 0.32; 'stopped': 0.32; 'there': 0.33; 'richard': 0.34; 'from:charset:iso-8859-1': 0.35; 'external': 0.35; 'url:python': 0.35; 'http': 0.37; 'but': 0.37; 'received:google.com': 0.37; 'received:209.85': 0.38; 'third': 0.38; 'url:org': 0.39; 'difficult': 0.39; "i'd": 0.39; 'received:209': 0.39; 'client': 0.40; 'one,': 0.40; 'header:Received:6': 0.61; 'simple': 0.61; 'url:p': 0.62; 'interest': 0.64; 'processes,': 0.67; 'febbraio': 0.84; 'amongst': 0.91 Received-SPF: pass (google.com: domain of g.rodola@gmail.com designates 10.43.45.10 as permitted sender) client-ip=10.43.45.10; Authentication-Results: mr.google.com; spf=pass (google.com: domain of g.rodola@gmail.com designates 10.43.45.10 as permitted sender) smtp.mail=g.rodola@gmail.com; dkim=pass header.i=g.rodola@gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=U6vX9Pd2hmzUMLDRtLZNGH+t/216D6j3iX8hNnmOOWo=; b=OC7moE0DU4vVn7IqIuH05LbuNnjh1jiTCpgsz2L7tIUCSd9VCcZaEwaZlolrUC5Rbc nqn9Q74cXbu+WEP4BxL5XBXSfn1h/dgqn2642PB2eb0c4EkYhRF3uNK/wjMV1ioryXMD KwyhciG6ez3GCVObl4POIdZ3FcDI4GbbSEmbw= MIME-Version: 1.0 In-Reply-To: <33089103.45.1329980290357.JavaMail.geo-discussion-forums@pbne2> References: <33089103.45.1329980290357.JavaMail.geo-discussion-forums@pbne2> Date: Thu, 23 Feb 2012 18:31:54 +0100 Subject: Re: asynchronous downloading From: =?ISO-8859-1?Q?Giampaolo_Rodol=E0?= To: Plumo Content-Type: text/plain; charset=ISO-8859-1 Cc: python-list@python.org X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 28 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1330018318 news.xs4all.nl 6874 [2001:888:2000:d::a6]:46043 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:20737 Il 23 febbraio 2012 07:58, Plumo ha scritto: > I want to download content asynchronously. This would be straightforward to do threaded or across processes, but difficult asynchronously so people seem to rely on external libraries (twisted / gevent / eventlet). > > (I would use gevent under different circumstances, but currently need to stick to standard libraries.) > > I looked around and found there is little interest in developing a proper HTTP client on asyncore. The best I found stopped development a decade ago: http://sourceforge.net/projects/asynchttp/ > > What do you recommend? > And why is there poor support for asynchronous execution? > > Richard > -- > http://mail.python.org/mailman/listinfo/python-list If you want to stick with asyncore try to take a look at this: https://gist.github.com/1519999 > And why is there poor support for asynchronous execution? I'd say that's true for stdlib only (asyncore/asynchat). There are plenty of choices amongst third party modules though. To say one, I particularly like tornado which is simple and powerful: http://www.tornadoweb.org/documentation/httpclient.html --- Giampaolo http://code.google.com/p/pyftpdlib/ http://code.google.com/p/psutil/ http://code.google.com/p/pysendfile/