def getSimilarArtistsAJAX(self):
mbid = request.params['mbid']
artist = Session.query(MBArtist).filter(MBArtist.gid==mbid).one()
try:
similarartistmbids = similarartist.get_similar_artists(Session, self.lastfmNetwork, artist)
except (BadStatusLine, SocketTimeout) as e:
log.error('[lastfm] down? ' + e.__repr__())
return '{}'
similarartists = Session.query(MBArtist, MBArtistName).join(MBArtist.name).filter(MBArtist.gid.in_(similarartistmbids)).all()
similarmap = {}
for artist in similarartists:
similarmap[artist[0].gid] = {'mbid' : artist[0].gid, 'name' : artist[1].name, 'local' : False}
localsimilarartists = Session.query(Artist).filter(Artist.mbid.in_(similarartistmbids)).all()
for artist in localsimilarartists:
similarmap[artist.mbid]['local'] = True
similarjson = []
for mbid in similarartistmbids:
similarjson.append(similarmap[mbid])
return simplejson.dumps({'similar' : similarjson})
def similarTrackAJAX(self):
trackid = request.params['id'].split('_')[1]
artists = Session.query(MBArtist).join(MBArtistCreditName, MBArtistCredit, MBRecording, AudioFile, AudioFile.track).filter(Track.id==trackid).all()
similarMbids = set([])
try:
for artist in artists:
similarMbids.update(similarartist.get_similar_artists(Session, self.lastfmNetwork, artist))
except (BadStatusLine, SocketTimeout) as e:
log.error('[lastfm] down? ' + e.__repr__())
return ''
artistMbidsWithAlbums = Session.query(Artist.mbid) \
.join(artist_albums) \
.filter(Artist.mbid.in_(similarMbids)) \
.distinct() \
.subquery()
randomSimilarArtist = Session.query(Artist) \
.filter(Artist.mbid.in_(artistMbidsWithAlbums)) \
.order_by(random()) \
.first()
randomAlbum = rand.choice(randomSimilarArtist.albums)
randomTrack = rand.choice(randomAlbum.tracks)
return simplejson.dumps([randomTrack.toPlaylistJSON()])