mopidy/mopidy/frontends/scrobbler/actor.py
2013-04-09 11:23:06 +02:00

86 lines
3.3 KiB
Python

from __future__ import unicode_literals
import logging
import time
import pykka
from mopidy import exceptions
from mopidy.core import CoreListener
try:
import pylast
except ImportError as import_error:
raise exceptions.OptionalDependencyError(import_error)
logger = logging.getLogger('mopidy.frontends.scrobbler')
API_KEY = '2236babefa8ebb3d93ea467560d00d04'
API_SECRET = '94d9a09c0cd5be955c4afaeaffcaefcd'
class ScrobblerFrontend(pykka.ThreadingActor, CoreListener):
def __init__(self, config, core):
super(ScrobblerFrontend, self).__init__()
self.config = config
self.lastfm = None
self.last_start_time = None
def on_start(self):
try:
self.lastfm = pylast.LastFMNetwork(
api_key=API_KEY, api_secret=API_SECRET,
username=self.config['scrobbler']['username'],
password_hash=pylast.md5(self.config['scrobbler']['password']))
logger.info('Scrobbler connected to Last.fm')
except (pylast.NetworkError, pylast.MalformedResponseError,
pylast.WSError) as e:
logger.error('Error during Last.fm setup: %s', e)
self.stop()
def track_playback_started(self, tl_track):
track = tl_track.track
artists = ', '.join([a.name for a in track.artists])
duration = track.length and track.length // 1000 or 0
self.last_start_time = int(time.time())
logger.debug('Now playing track: %s - %s', artists, track.name)
try:
self.lastfm.update_now_playing(
artists,
(track.name or ''),
album=(track.album and track.album.name or ''),
duration=str(duration),
track_number=str(track.track_no),
mbid=(track.musicbrainz_id or ''))
except (pylast.ScrobblingError, pylast.NetworkError,
pylast.MalformedResponseError, pylast.WSError) as e:
logger.warning('Error submitting playing track to Last.fm: %s', e)
def track_playback_ended(self, tl_track, time_position):
track = tl_track.track
artists = ', '.join([a.name for a in track.artists])
duration = track.length and track.length // 1000 or 0
time_position = time_position // 1000
if duration < 30:
logger.debug('Track too short to scrobble. (30s)')
return
if time_position < duration // 2 and time_position < 240:
logger.debug(
'Track not played long enough to scrobble. (50% or 240s)')
return
if self.last_start_time is None:
self.last_start_time = int(time.time()) - duration
logger.debug('Scrobbling track: %s - %s', artists, track.name)
try:
self.lastfm.scrobble(
artists,
(track.name or ''),
str(self.last_start_time),
album=(track.album and track.album.name or ''),
track_number=str(track.track_no),
duration=str(duration),
mbid=(track.musicbrainz_id or ''))
except (pylast.ScrobblingError, pylast.NetworkError,
pylast.MalformedResponseError, pylast.WSError) as e:
logger.warning('Error submitting played track to Last.fm: %s', e)