/usr/lib/python3/dist-packages/sima/plugins/core/uniq.py is in mpd-sima 0.14.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | # -*- coding: utf-8 -*-
# Copyright (c) 2014 Jack Kaliko <kaliko@azylum.org>
#
# This file is part of sima
#
# sima is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sima is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with sima. If not, see <http://www.gnu.org/licenses/>.
#
#
"""
Publish presence on the MPD host message bus
Notifies when concurrent instance run on the same host.
"""
# standard library import
from os import getpid
from socket import getfqdn
# third parties components
# local import
from ...client import PlayerError
from ...lib.plugin import Plugin
class Uniq(Plugin):
"""
Publish presence on the MPD host message bus
"""
def __init__(self, daemon):
Plugin.__init__(self, daemon)
self.chan = 'mpd_sima:{0}.{1}'.format(getfqdn(), getpid())
self.channels = []
self._registred = False
def start(self):
if not self.is_capable():
self.log.warning('MPD does not provide client to client')
return
self.is_uniq()
if not self._registred:
self.sub_chan()
def is_capable(self):
if {'channels', 'subscribe'}.issubset(set(self.player.commands())):
# Groove Basin compatibility
# For some reason Groove Basin have channels command but no
# subscribe command‽
return True
def get_channels(self):
return [chan for chan in self.player.channels() if
chan.startswith('mpd_sima') and chan != self.chan]
def is_uniq(self):
channels = self.get_channels()
if channels:
self.log.warning('Another instance is queueing on this MPD host')
self.log.warning(' '.join(channels))
def sub_chan(self):
self.log.debug('Registering as {}'.format(self.chan))
try:
self.player.subscribe(self.chan)
self._registred = True
except PlayerError as err:
self.log.error('Failed to register: %s', err)
def callback_need_track(self):
if self.is_capable():
self.is_uniq()
# VIM MODLINE
# vim: ai ts=4 sw=4 sts=4 expandtab
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