134 lines
4.6 KiB
Python
134 lines
4.6 KiB
Python
import logging
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import multiprocessing
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import socket
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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 mopidy import get_version, settings, SettingsError
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from mopidy.frontends.base import BaseFrontend
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from mopidy.utils.process import BaseThread
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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(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
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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, *args, **kwargs):
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super(LastfmFrontend, self).__init__(*args, **kwargs)
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(self.connection, other_end) = multiprocessing.Pipe()
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self.thread = LastfmFrontendThread(self.core_queue, other_end)
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def start(self):
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self.thread.start()
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def destroy(self):
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self.thread.destroy()
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def process_message(self, message):
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if self.thread.is_alive():
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self.connection.send(message)
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class LastfmFrontendThread(BaseThread):
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def __init__(self, core_queue, connection):
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super(LastfmFrontendThread, self).__init__(core_queue)
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self.name = u'LastfmFrontendThread'
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self.connection = connection
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self.lastfm = None
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self.last_start_time = None
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def run_inside_try(self):
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self.setup()
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while self.lastfm is not None:
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self.connection.poll(None)
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message = self.connection.recv()
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self.process_message(message)
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def setup(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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except (pylast.WSError, socket.error) as e:
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logger.error(u'Last.fm connection error: %s', e)
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def process_message(self, message):
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if message['command'] == 'started_playing':
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self.started_playing(message['track'])
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elif message['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 commands for other frontends
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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 // 1000
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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,
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album=track.album.name,
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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, socket.error) as e:
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logger.warning(u'Last.fm now playing error: %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 // 1000
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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,
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str(self.last_start_time),
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album=track.album.name,
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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, socket.error) as e:
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logger.warning(u'Last.fm scrobbling error: %s', e)
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