Remove old BaseBackend code
This commit is contained in:
Thomas Adamcik
parent
4af6ac8284
commit
2f66330427
@ -7,238 +7,11 @@ from mopidy.models import Playlist
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logger = logging.getLogger('backends.base')
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class BaseBackend(object):
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PLAY = u'play'
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PAUSE = u'pause'
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STOP = u'stop'
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def __init__(self, *args, **kwargs):
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self._state = self.STOP
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self._playlists = []
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self._x_current_playlist = Playlist()
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self._current_playlist_version = 0
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# Backend state
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@property
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def state(self):
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return self._state
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@state.setter
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def state(self, new_state):
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(old_state, self._state) = (self.state, new_state)
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logger.debug(u'Changing state: %s -> %s', old_state, new_state)
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if old_state in (self.PLAY, self.STOP) and new_state == self.PLAY:
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self._play_time_start()
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elif old_state == self.PLAY and new_state == self.PAUSE:
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self._play_time_pause()
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elif old_state == self.PAUSE and new_state == self.PLAY:
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self._play_time_resume()
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@property
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def _play_time_elapsed(self):
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if self.state == self.PLAY:
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time_since_started = int(time.time()) - self._play_time_started
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return self._play_time_accumulated + time_since_started
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elif self.state == self.PAUSE:
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return self._play_time_accumulated
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elif self.state == self.STOP:
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return 0
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def _play_time_start(self):
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self._play_time_accumulated = 0
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self._play_time_started = int(time.time())
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def _play_time_pause(self):
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time_since_started = int(time.time()) - self._play_time_started
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self._play_time_accumulated += time_since_started
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def _play_time_resume(self):
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self._play_time_started = int(time.time())
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@property
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def _current_playlist(self):
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return self._x_current_playlist
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@_current_playlist.setter
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def _current_playlist(self, playlist):
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self._x_current_playlist = playlist
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self._current_playlist_version += 1
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@property
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def _current_track(self):
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if self._current_song_pos is not None:
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return self._current_playlist.tracks[self._current_song_pos]
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@property
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def _current_song_pos(self):
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if not hasattr(self, '_x_current_song_pos'):
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self._x_current_song_pos = None
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if (self._current_playlist is None
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or self._current_playlist.length == 0):
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self._x_current_song_pos = None
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elif self._x_current_song_pos < 0:
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self._x_current_song_pos = 0
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elif self._x_current_song_pos >= self._current_playlist.length:
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self._x_current_song_pos = self._current_playlist.length - 1
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return self._x_current_song_pos
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@_current_song_pos.setter
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def _current_song_pos(self, songid):
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self._x_current_song_pos = songid
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# Status methods
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def current_song(self):
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if self.state is not self.STOP and self._current_track is not None:
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return self._current_track.mpd_format(self._current_song_pos)
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def status_bitrate(self):
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return 0
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def status_consume(self):
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return 0
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def status_volume(self):
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return 0
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def status_repeat(self):
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return 0
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def status_random(self):
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return 0
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def status_single(self):
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return 0
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def status_song_id(self):
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return self._current_song_pos # Override if you got a better ID scheme
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def status_playlist(self):
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return self._current_playlist_version
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def status_playlist_length(self):
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return self._current_playlist.length
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def status_state(self):
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return self.state
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def status_time(self):
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return u'%s:%s' % (self._play_time_elapsed, self.status_time_total())
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def status_time_total(self):
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if self._current_track is not None:
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return self._current_track.length // 1000
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else:
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return 0
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def status_xfade(self):
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return 0
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def url_handlers(self):
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return []
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# Control methods
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def end_of_track(self):
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self.next()
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def next(self):
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self.stop()
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if self._next():
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self.state = self.PLAY
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def playlist_add_track(self, uri, pos=None):
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pass
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def _next(self):
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raise MpdNotImplemented
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def pause(self):
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if self.state == self.PLAY and self._pause():
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self.state = self.PAUSE
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def _pause(self):
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raise MpdNotImplemented
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def play(self, songpos=None, songid=None):
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if self.state == self.PAUSE and songpos is None and songid is None:
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return self.resume()
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self.stop()
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if songpos is not None and self._play_pos(songpos):
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self.state = self.PLAY
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elif songid is not None and self._play_id(songid):
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self.state = self.PLAY
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elif self._play():
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self.state = self.PLAY
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def _play(self):
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raise MpdNotImplemented
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def _play_id(self, songid):
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raise MpdNotImplemented
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def _play_pos(self, songpos):
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raise MpdNotImplemented
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def previous(self):
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self.stop()
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if self._previous():
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self.state = self.PLAY
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def _previous(self):
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raise MpdNotImplemented
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def resume(self):
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if self.state == self.PAUSE and self._resume():
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self.state = self.PLAY
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def _resume(self):
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raise MpdNotImplemented
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def stop(self):
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if self.state != self.STOP and self._stop():
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self.state = self.STOP
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def _stop(self):
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raise MpdNotImplemented
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# Current/single playlist methods
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def playlist_load(self, name):
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self._current_song_pos = None
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matches = filter(lambda p: p.name == name, self._playlists)
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if matches:
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self._current_playlist = matches[0]
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if self.state == self.PLAY:
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self.play(songpos=0)
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else:
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self._current_playlist = None
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def playlist_changes_since(self, version='0'):
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if int(version) < self._current_playlist_version:
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return self._current_playlist.mpd_format()
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def playlist_info(self, songpos=None, start=0, end=None):
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if songpos is not None:
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start = int(songpos)
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end = start + 1
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else:
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if start is None:
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start = 0
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start = int(start)
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if end is not None:
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end = int(end)
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return self._current_playlist.mpd_format(start, end)
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# Stored playlist methods
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def playlists_list(self):
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return [u'playlist: %s' % p.name for p in self._playlists]
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# Music database methods
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def search(self, type, what):
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return None
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current_playlist = None
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library = None
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playback = None
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stored_playlists = None
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uri_handlers = []
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class BasePlaybackController(object):
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PAUSED = 1
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