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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
# -*- coding: utf-8 -*-
## src/music_track_listener.py
##
## Copyright (C) 2006 Gustavo Carneiro <gjcarneiro AT gmail.com>
## Nikos Kouremenos <kourem AT gmail.com>
## Copyright (C) 2006-2008 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2008 Jean-Marie Traissard <jim AT lapin.org>
## Jonathan Schleifer <js-gajim AT webkeks.org>
## Stephan Erb <steve-e AT h3c.de>
##
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
import os
import gobject
if __name__ == '__main__':
# install _() func before importing dbus_support
from common import i18n
from common import dbus_support
if dbus_support.supported:
import dbus
import dbus.glib
class MusicTrackInfo(object):
__slots__ = ['title', 'album', 'artist', 'duration', 'track_number',
'paused']
class MusicTrackListener(gobject.GObject):
__gsignals__ = {
'music-track-changed': (gobject.SIGNAL_RUN_LAST, None, (object,)),
}
_instance = None
@classmethod
def get(cls):
if cls._instance is None:
cls._instance = cls()
return cls._instance
def __init__(self):
super(MusicTrackListener, self).__init__()
self._last_playing_music = None
bus = dbus.SessionBus()
## MPRIS
bus.add_signal_receiver(self._mpris_music_track_change_cb, 'TrackChange',
'org.freedesktop.MediaPlayer')
bus.add_signal_receiver(self._mpris_playing_changed_cb, 'StatusChange',
'org.freedesktop.MediaPlayer')
bus.add_signal_receiver(self._player_name_owner_changed,
'NameOwnerChanged', 'org.freedesktop.DBus',
arg0='org.freedesktop.MediaPlayer')
## Muine
bus.add_signal_receiver(self._muine_music_track_change_cb, 'SongChanged',
'org.gnome.Muine.Player')
bus.add_signal_receiver(self._player_name_owner_changed,
'NameOwnerChanged', 'org.freedesktop.DBus', arg0='org.gnome.Muine')
bus.add_signal_receiver(self._player_playing_changed_cb, 'StateChanged',
'org.gnome.Muine.Player')
## Rhythmbox
bus.add_signal_receiver(self._player_name_owner_changed,
'NameOwnerChanged', 'org.freedesktop.DBus', arg0='org.gnome.Rhythmbox')
bus.add_signal_receiver(self._rhythmbox_playing_changed_cb,
'playingChanged', 'org.gnome.Rhythmbox.Player')
bus.add_signal_receiver(self._player_playing_song_property_changed_cb,
'playingSongPropertyChanged', 'org.gnome.Rhythmbox.Player')
## Banshee
bus.add_signal_receiver(self._banshee_state_changed_cb,
'StateChanged', 'org.bansheeproject.Banshee.PlayerEngine')
bus.add_signal_receiver(self._player_name_owner_changed,
'NameOwnerChanged', 'org.freedesktop.DBus',
arg0='org.bansheeproject.Banshee')
def _player_name_owner_changed(self, name, old, new):
if not new:
self.emit('music-track-changed', None)
def _player_playing_changed_cb(self, playing):
if playing:
self.emit('music-track-changed', self._last_playing_music)
else:
self.emit('music-track-changed', None)
def _player_playing_song_property_changed_cb(self, a, b, c, d):
if b == 'rb:stream-song-title':
self.emit('music-track-changed', self._last_playing_music)
def _mpris_properties_extract(self, song):
info = MusicTrackInfo()
info.title = song.get('title', '')
info.album = song.get('album', '')
info.artist = song.get('artist', '')
info.duration = int(song.get('length', 0))
return info
def _mpris_playing_changed_cb(self, playing):
if playing == 0:
self.emit('music-track-changed', self._last_playing_music)
else:
self.emit('music-track-changed', None)
def _mpris_music_track_change_cb(self, arg):
self._last_playing_music = self._mpris_properties_extract(arg)
self.emit('music-track-changed', self._last_playing_music)
def _muine_properties_extract(self, song_string):
d = dict((x.strip() for x in s1.split(':', 1)) for s1 in \
song_string.split('\n'))
info = MusicTrackInfo()
info.title = d['title']
info.album = d['album']
info.artist = d['artist']
info.duration = int(d['duration'])
info.track_number = int(d['track_number'])
return info
def _muine_music_track_change_cb(self, arg):
info = self._muine_properties_extract(arg)
self.emit('music-track-changed', info)
def _rhythmbox_playing_changed_cb(self, playing):
if playing:
info = self.get_playing_track()
self.emit('music-track-changed', info)
else:
self.emit('music-track-changed', None)
def _rhythmbox_properties_extract(self, props):
info = MusicTrackInfo()
info.title = props['title']
info.album = props['album']
info.artist = props['artist']
info.duration = int(props['duration'])
info.track_number = int(props['track-number'])
return info
def _banshee_state_changed_cb(self, state):
if state == 'playing':
bus = dbus.SessionBus()
banshee = bus.get_object('org.bansheeproject.Banshee',
'/org/bansheeproject/Banshee/PlayerEngine')
currentTrack = banshee.GetCurrentTrack()
self._last_playing_music = self._banshee_properties_extract(
currentTrack)
self.emit('music-track-changed', self._last_playing_music)
elif state == 'paused':
self.emit('music-track-changed', None)
def _banshee_properties_extract(self, props):
info = MusicTrackInfo()
info.title = props['name']
info.album = props['album']
info.artist = props['artist']
info.duration = int(props['length'])
return info
def get_playing_track(self):
'''Return a MusicTrackInfo for the currently playing
song, or None if no song is playing'''
bus = dbus.SessionBus()
## Check Muine playing track
test = False
if hasattr(bus, 'name_has_owner'):
if bus.name_has_owner('org.gnome.Muine'):
test = True
elif dbus.dbus_bindings.bus_name_has_owner(bus.get_connection(),
'org.gnome.Muine'):
test = True
if test:
obj = bus.get_object('org.gnome.Muine', '/org/gnome/Muine/Player')
player = dbus.Interface(obj, 'org.gnome.Muine.Player')
if player.GetPlaying():
song_string = player.GetCurrentSong()
song = self._muine_properties_extract(song_string)
self._last_playing_music = song
return song
## Check Rhythmbox playing song
test = False
if hasattr(bus, 'name_has_owner'):
if bus.name_has_owner('org.gnome.Rhythmbox'):
test = True
elif dbus.dbus_bindings.bus_name_has_owner(bus.get_connection(),
'org.gnome.Rhythmbox'):
test = True
if test:
rbshellobj = bus.get_object('org.gnome.Rhythmbox',
'/org/gnome/Rhythmbox/Shell')
player = dbus.Interface(
bus.get_object('org.gnome.Rhythmbox',
'/org/gnome/Rhythmbox/Player'), 'org.gnome.Rhythmbox.Player')
rbshell = dbus.Interface(rbshellobj, 'org.gnome.Rhythmbox.Shell')
try:
uri = player.getPlayingUri()
except dbus.DBusException:
uri = None
if not uri:
return None
props = rbshell.getSongProperties(uri)
info = self._rhythmbox_properties_extract(props)
self._last_playing_music = info
return info
return None
# here we test :)
if __name__ == '__main__':
def music_track_change_cb(listener, music_track_info):
if music_track_info is None:
print 'Stop!'
else:
print music_track_info.title
listener = MusicTrackListener.get()
listener.connect('music-track-changed', music_track_change_cb)
track = listener.get_playing_track()
if track is None:
print 'Now not playing anything'
else:
print 'Now playing: "%s" by %s' % (track.title, track.artist)
gobject.MainLoop().run()
# vim: se ts=3:
|