Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!goblin1!goblin.stu.neva.ru!uio.no!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: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.084 X-Spam-Evidence: '*H*': 0.83; '*S*': 0.00; 'debug': 0.07; 'executable': 0.09; 'python': 0.11; 'from:addr:torriem': 0.16; 'from:name:michael torrie': 0.16; 'operation,': 0.16; 'subject:under': 0.16; 'subject:python': 0.16; 'wrote:': 0.18; 'app': 0.19; 'creating': 0.23; 'header:User-Agent:1': 0.23; "i've": 0.25; 'script': 0.25; 'post': 0.26; 'header:In-Reply- To:1': 0.27; 'michael': 0.29; 'chris': 0.29; '[1]': 0.29; 'thus': 0.29; 'mode': 0.30; 'strongly': 0.30; 'easier': 0.31; 'sep': 0.31; 'file': 0.32; 'this.': 0.32; 'agreed': 0.32; 'run': 0.32; 'fri,': 0.33; 'no,': 0.35; 'instances': 0.36; 'subject:service': 0.36; 'done': 0.36; 'doing': 0.36; 'subject:?': 0.36; 'url:org': 0.36; 'easily': 0.37; 'message-id:@gmail.com': 0.38; 'handle': 0.38; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'little': 0.38; 'url:01': 0.39; 'does': 0.39; '12,': 0.39; 'itself': 0.39; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'read': 0.60; 'you.': 0.62; 'making': 0.63; 'skip:n 10': 0.64; 'url:blogspot': 0.65; 'here': 0.66; 'fact,': 0.69; 'services.': 0.70; 'url:2011': 0.75; 'forks': 0.84; 'service:': 0.93 X-Virus-Scanned: amavisd-new at torriefamily.org Date: Thu, 11 Sep 2014 21:09:47 -0600 From: Michael Torrie User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131118 Thunderbird/17.0.11 MIME-Version: 1.0 To: python-list@python.org Subject: Re: Example of python service running under systemd? References: <6B97B7A5-0816-401E-9BDD-A23FFC646985@gmail.com> <20140911212921.GB26465@arxnet.hu> <5412548A.1090507@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 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: 24 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1410491465 news.xs4all.nl 2829 [2001:888:2000:d::a6]:42504 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:77792 On 09/11/2014 08:29 PM, Chris Angelico wrote: > On Fri, Sep 12, 2014 at 12:03 PM, Michael Torrie wrote: >> No, you you don't need to do this. Systemd can handle all of that for >> you. Read up on the docs on creating systemd services. Here's a little >> blog post that has some good examples, both a non-daemonizing service >> and a daemonizing service: >> >> http://patrakov.blogspot.com/2011/01/writing-systemd-service-files.html >> >> Any executable file can be turned into a daemon service with systemd >> (whether or not it forks itself into the background). Thus any python >> script can easily be run from systemd. > > I strongly recommend making a non-daemonizing service. It's so much > easier to debug - there's one mode of operation, the script just runs. > You can then run that directly in a terminal, or via tmux, or via > systemd - and I've done all three with Yosemite. In fact, I think I > have instances here on the LAN that are doing all three, right now! Agreed 100%. If you want to run on a system without systemd, I recommend using supervisord[1] for turning your program into a daemon. It also does not require the app to fork. [1] http://supervisord.org/