111 lines
4.0 KiB
Python
111 lines
4.0 KiB
Python
import logging
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import time
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try:
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import pylast
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except ImportError as import_error:
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from mopidy import OptionalDependencyError
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raise OptionalDependencyError(import_error)
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from pykka.actor import ThreadingActor
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from mopidy import settings, SettingsError
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from mopidy.frontends.base import BaseFrontend
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logger = logging.getLogger('mopidy.frontends.lastfm')
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API_KEY = '2236babefa8ebb3d93ea467560d00d04'
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API_SECRET = '94d9a09c0cd5be955c4afaeaffcaefcd'
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class LastfmFrontend(ThreadingActor, BaseFrontend):
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"""
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Frontend which scrobbles the music you play to your `Last.fm
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<http://www.last.fm>`_ profile.
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.. note::
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This frontend requires a free user account at Last.fm.
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**Dependencies:**
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- `pylast <http://code.google.com/p/pylast/>`_ >= 0.5.7
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**Settings:**
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- :attr:`mopidy.settings.LASTFM_USERNAME`
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- :attr:`mopidy.settings.LASTFM_PASSWORD`
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"""
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def __init__(self):
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self.lastfm = None
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self.last_start_time = None
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def on_start(self):
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try:
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username = settings.LASTFM_USERNAME
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password_hash = pylast.md5(settings.LASTFM_PASSWORD)
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self.lastfm = pylast.LastFMNetwork(
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api_key=API_KEY, api_secret=API_SECRET,
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username=username, password_hash=password_hash)
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logger.info(u'Connected to Last.fm')
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except SettingsError as e:
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logger.info(u'Last.fm scrobbler not started')
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logger.debug(u'Last.fm settings error: %s', e)
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self.stop()
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except (pylast.NetworkError, pylast.MalformedResponseError,
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pylast.WSError) as e:
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logger.error(u'Error during Last.fm setup: %s', e)
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self.stop()
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def on_receive(self, message):
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if message.get('command') == 'started_playing':
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self.started_playing(message['track'])
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elif message.get('command') == 'stopped_playing':
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self.stopped_playing(message['track'], message['stop_position'])
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else:
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pass # Ignore any other messages
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def started_playing(self, track):
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artists = ', '.join([a.name for a in track.artists])
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duration = track.length and track.length // 1000 or 0
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self.last_start_time = int(time.time())
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logger.debug(u'Now playing track: %s - %s', artists, track.name)
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try:
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self.lastfm.update_now_playing(
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artists,
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(track.name or ''),
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album=(track.album and track.album.name or ''),
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duration=str(duration),
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track_number=str(track.track_no),
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mbid=(track.musicbrainz_id or ''))
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except (pylast.ScrobblingError, pylast.NetworkError,
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pylast.MalformedResponseError, pylast.WSError) as e:
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logger.warning(u'Error submitting playing track to Last.fm: %s', e)
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def stopped_playing(self, track, stop_position):
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artists = ', '.join([a.name for a in track.artists])
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duration = track.length and track.length // 1000 or 0
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stop_position = stop_position // 1000
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if duration < 30:
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logger.debug(u'Track too short to scrobble. (30s)')
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return
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if stop_position < duration // 2 and stop_position < 240:
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logger.debug(
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u'Track not played long enough to scrobble. (50% or 240s)')
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return
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if self.last_start_time is None:
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self.last_start_time = int(time.time()) - duration
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logger.debug(u'Scrobbling track: %s - %s', artists, track.name)
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try:
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self.lastfm.scrobble(
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artists,
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(track.name or ''),
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str(self.last_start_time),
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album=(track.album and track.album.name or ''),
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track_number=str(track.track_no),
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duration=str(duration),
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mbid=(track.musicbrainz_id or ''))
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except (pylast.ScrobblingError, pylast.NetworkError,
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pylast.MalformedResponseError, pylast.WSError) as e:
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logger.warning(u'Error submitting played track to Last.fm: %s', e)
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