mopidy/mopidy/backends/spotify/library.py

63 lines
2.4 KiB
Python

import logging
import Queue
from spotify import Link, SpotifyError
from mopidy.backends.base import BaseLibraryProvider
from mopidy.backends.spotify import ENCODING
from mopidy.backends.spotify.translator import SpotifyTranslator
from mopidy.models import Playlist
logger = logging.getLogger('mopidy.backends.spotify.library')
class SpotifyLibraryProvider(BaseLibraryProvider):
def find_exact(self, **query):
return self.search(**query)
def lookup(self, uri):
try:
spotify_track = Link.from_string(uri).as_track()
# TODO Block until metadata_updated callback is called. Before that
# the track will be unloaded, unless it's already in the stored
# playlists.
return SpotifyTranslator.to_mopidy_track(spotify_track)
except SpotifyError as e:
logger.debug(u'Failed to lookup "%s": %s', uri, e)
return None
def refresh(self, uri=None):
pass # TODO
def search(self, **query):
if not query:
# Since we can't search for the entire Spotify library, we return
# all tracks in the stored playlists when the query is empty.
tracks = []
for playlist in self.backend.stored_playlists.playlists:
tracks += playlist.tracks
return Playlist(tracks=tracks)
spotify_query = []
for (field, values) in query.iteritems():
if field == u'track':
field = u'title'
if field == u'date':
field = u'year'
if not hasattr(values, '__iter__'):
values = [values]
for value in values:
if field == u'any':
spotify_query.append(value)
elif field == u'year':
value = int(value.split('-')[0]) # Extract year
spotify_query.append(u'%s:%d' % (field, value))
else:
spotify_query.append(u'%s:"%s"' % (field, value))
spotify_query = u' '.join(spotify_query)
logger.debug(u'Spotify search query: %s' % spotify_query)
queue = Queue.Queue()
self.backend.spotify.search(spotify_query.encode(ENCODING), queue)
try:
return queue.get(timeout=3) # XXX What is an reasonable timeout?
except Queue.Empty:
return Playlist(tracks=[])