183 lines
6.7 KiB
Python
183 lines
6.7 KiB
Python
from __future__ import unicode_literals
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import logging
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import Queue
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import time
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TIME_OUT = 10
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from spotify import Link, SpotifyError
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from mopidy.backends import base
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from mopidy.models import Track
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from mopidy.backends.base import BaseLibraryProvider
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from mopidy.models import Playlist
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from . import translator
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logger = logging.getLogger('mopidy.backends.spotify')
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class SpotifyTrack(Track):
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"""Proxy object for unloaded Spotify tracks."""
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def __init__(self, uri):
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super(SpotifyTrack, self).__init__()
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self._spotify_track = Link.from_string(uri).as_track()
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self._unloaded_track = Track(uri=uri, name='[loading...]')
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self._track = None
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@property
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def _proxy(self):
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if self._track:
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return self._track
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elif self._spotify_track.is_loaded():
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self._track = translator.to_mopidy_track(self._spotify_track)
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return self._track
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else:
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return self._unloaded_track
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def __getattribute__(self, name):
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if name.startswith('_'):
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return super(SpotifyTrack, self).__getattribute__(name)
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return self._proxy.__getattribute__(name)
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def __repr__(self):
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return self._proxy.__repr__()
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def __hash__(self):
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return hash(self._proxy.uri)
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def __eq__(self, other):
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if not isinstance(other, Track):
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return False
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return self._proxy.uri == other.uri
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def copy(self, **values):
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return self._proxy.copy(**values)
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class SpotifyLibraryProvider(base.BaseLibraryProvider):
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def find_exact(self, **query):
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return self.search(**query)
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def lookup(self, uri):
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link = Link.from_string(uri)
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#uri is an album
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if link.type() == Link.LINK_ALBUM:
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try:
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spotify_album = Link.from_string(uri).as_album()
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# TODO Block until metadata_updated callback is called. Before that
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# the track will be unloaded, unless it's already in the stored
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# playlists.
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browser = self.backend.spotify.session.browse_album(spotify_album)
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#wait 5 seconds
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start = time.time()
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while not browser.is_loaded():
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time.sleep(0.1)
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if time.time() > (start + TIME_OUT):
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break
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album = translator.to_mopidy_album(spotify_album)
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#for track in browser:
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# track = translator.to_mopidy_track(track)
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#from translator
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tracks=[translator.to_mopidy_track(t) for t in browser
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if str(Link.from_track(t, 0))]
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playlist = Playlist(tracks=tracks, uri=uri, name=album.name)
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return playlist
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except SpotifyError as e:
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logger.debug(u'Failed to lookup album "%s": %s', uri, e)
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return None
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#uri is an album
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if link.type() == Link.LINK_ARTIST:
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try:
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spotify_artist = Link.from_string(uri).as_artist()
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# TODO Block until metadata_updated callback is called. Before that
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# the track will be unloaded, unless it's already in the stored
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# playlists.
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browser = self.backend.spotify.session.browse_artist(spotify_artist)
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#wait 5 seconds
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start = time.time()
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while not browser.is_loaded():
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time.sleep(0.1)
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if time.time() > (start + TIME_OUT):
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break
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artist = translator.to_mopidy_artist(spotify_artist)
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#for track in browser:
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# track = translator.to_mopidy_track(track)
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#from translator
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tracks=[translator.to_mopidy_track(t) for t in browser
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if str(Link.from_track(t, 0))]
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playlist = Playlist(tracks=tracks, uri=uri, name=artist.name)
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return playlist
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except SpotifyError as e:
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logger.debug(u'Failed to lookup album "%s": %s', uri, e)
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return None
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#uri is a playlist of another user
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# if l.type() == Link.LINK_PLAYLIST:
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# if l.type() == Link.LINK_USER:
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#uri is a track
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try:
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spotify_track = Link.from_string(uri).as_track()
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# TODO Block until metadata_updated callback is called. Before that
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# the track will be unloaded, unless it's already in the stored
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# playlists.
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return translator.to_mopidy_track(spotify_track)
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except SpotifyError as e:
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logger.debug(u'Failed to lookup track "%s": %s', uri, e)
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return None
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def refresh(self, uri=None):
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pass # TODO
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def search(self, **query):
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if not query:
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# Since we can't search for the entire Spotify library, we return
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# all tracks in the playlists when the query is empty.
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tracks = []
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for playlist in self.backend.playlists.playlists:
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tracks += playlist.tracks
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return tracks
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spotify_query = []
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for (field, values) in query.iteritems():
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if field == 'uri':
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tracks = []
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for value in values:
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track = self.lookup(value)
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if track:
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tracks.append(track)
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return tracks
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elif field == 'track':
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field = 'title'
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elif field == 'date':
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field = 'year'
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if not hasattr(values, '__iter__'):
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values = [values]
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for value in values:
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if field == 'any':
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spotify_query.append(value)
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elif field == 'year':
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value = int(value.split('-')[0]) # Extract year
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spotify_query.append('%s:%d' % (field, value))
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else:
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spotify_query.append('%s:"%s"' % (field, value))
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spotify_query = ' '.join(spotify_query)
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logger.debug('Spotify search query: %s' % spotify_query)
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queue = Queue.Queue()
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self.backend.spotify.search(spotify_query, queue)
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try:
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return queue.get(timeout=3) # XXX What is an reasonable timeout?
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except Queue.Empty:
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return []
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