Path: csiph.com!au2pb.net!feeder.erje.net!1.eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed7.news.xs4all.nl!nzpost1.xs4all.net!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'api': 0.09; 'cc:addr :python-list': 0.09; 'callback': 0.09; 'high-level': 0.09; 'received:openend.se': 0.09; 'received:theraft.openend.se': 0.09; 'url:github': 0.09; 'python': 0.10; 'thu,': 0.15; '*i*': 0.16; 'cc:addr:lac': 0.16; 'cc:addr:openend.se': 0.16; 'from:addr:lac': 0.16; 'from:addr:openend.se': 0.16; 'from:name:laura creighton': 0.16; 'message-id:@fido.openend.se': 0.16; 'received:fido': 0.16; 'received:fido.openend.se': 0.16; 'to:addr:pearwood.info': 0.16; 'to:addr:steve+comp.lang.python': 0.16; "to:name:steven d'aprano": 0.16; 'laura': 0.18; '2015': 0.20; 'cc:addr:python.org': 0.20; 'cc:2**1': 0.22; 'seems': 0.23; 'this:': 0.23; 'function': 0.28; 'received:se': 0.29; 'cc:no real name:2**1': 0.29; 'you?': 0.30; 'url:mailman': 0.30; 'run': 0.33; 'url:python': 0.33; 'url:listinfo': 0.34; 'skip:> 10': 0.35; 'but': 0.36; 'url:org': 0.36; 'subject:: ': 0.37; 'charset:us-ascii': 0.37; 'url:mail': 0.40; 'header:Message-Id:1': 0.61; 'goal': 0.64; 'hate': 0.66; '(import': 0.84; 'header:In-reply-to:1': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openend.se; s=default; t=1445504863; bh=b1RNgwujNlu7aCdOUi/D8SmNdbRn2J6uiv5dedg6kzs=; h=To:cc:From:Subject:In-reply-to:References:Date:From; b=ta8hOb0t89EJOiWNTiAgT4LGO597ReevbRg4ahLj1umQHmvxA4ftTyp5UIP3pG8y6 JT3IMo93aXvSkxO6uYSGDYlLfDXQ9Tv4eXtmG5GXXViv0k211APwiYYQpAD6288XUS qhy5+mMEHic6H9ZMJyptykhZEAGxU/rQ9cmCBWIs= To: "Steven D'Aprano" cc: python-list@python.org, lac@openend.se From: Laura Creighton Subject: Re: select.poll and ppoll In-reply-to: <56287672$0$11117$c3e8da3@news.astraweb.com> References: <56287672$0$11117$c3e8da3@news.astraweb.com> Comments: In-reply-to "Steven D'Aprano" message dated "Thu, 22 Oct 2015 16:38:52 +1100." MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <18128.1445504855.1@fido> Date: Thu, 22 Oct 2015 11:07:36 +0200 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.9 (theraft.openend.se [82.96.5.2]); Thu, 22 Oct 2015 11:07:43 +0200 (CEST) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 21 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1445504881 news.xs4all.nl 23800 [2001:888:2000:d::a6]:49779 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:97886 In a message of Thu, 22 Oct 2015 16:38:52 +1100, "Steven D'Aprano" writes: >Using Python 2.6, don't hate me. >Technically, *I* don't want this, it's one of my work-colleagues. He says: > >"My high-level goal is to run a callback function whenever the alsa mixer >level changes. The C alsa API provides snd_mixer_elem_set_callback, but the >Python API (import alsaaudio) seems to need me to get poll(2) descriptors" >-- >Steve > >-- >https://mail.python.org/mailman/listinfo/python-list Do you need alsa-mixer or would pulse-audio work for you? Would this: https://github.com/mk-fg/pulseaudio-mixer-cli do the job? Laura (alsa-mixer hater)