1 # -*- coding: utf-8 -*-
2 # Copyright (c) 2014 Jack Kaliko <kaliko@azylum.org>
4 # This file is part of sima
6 # sima is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # sima is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with sima. If not, see <http://www.gnu.org/licenses/>.
21 Publish presence on the MPD host message bus
23 Notifies when concurrent instance run on the same host.
26 # standard library import
28 from socket import getfqdn
30 # third parties components
33 from ...lib.plugin import Plugin
38 Publish presence on the MPD host message bus
41 def __init__(self, daemon):
42 Plugin.__init__(self, daemon)
43 self.chan = 'mpd_sima:{0}.{1}'.format(getfqdn(), getpid())
48 if not self.is_capable():
49 self.log.warning('MPD does not provide client to client')
55 if 'channels' in self.player.commands():
56 if 'subscribe' in self.player.commands(): # Groove Basin compatibility
57 # For some reason Groove Basin have channels command but no
58 # subscribe command‽
61 def get_channels(self):
62 return [chan for chan in self.player.channels() if
63 chan.startswith('mpd_sima') and chan != self.chan]
66 channels = self.get_channels()
68 self.log.warning('Another instance is queueing on this MPD host')
69 self.log.warning(' '.join(channels))
73 self.log.debug('Registering as {}'.format(self.chan))
74 self.player.subscribe(self.chan)
76 def callback_need_track(self):
82 # vim: ai ts=4 sw=4 sts=4 expandtab