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from __future__ import unicode_literals
import logging
from mopidy import backend
from mopidy.models import Album, Artist, Ref, Track
import pykka
import mopidy_somafm
from .somafm import SomaFMClient
logger = logging.getLogger(__name__)
class SomaFMBackend(pykka.ThreadingActor, backend.Backend):
def __init__(self, config, audio):
super(SomaFMBackend, self).__init__()
self.somafm = SomaFMClient(
config['proxy'],
"%s/%s" % (
mopidy_somafm.Extension.dist_name,
mopidy_somafm.__version__))
self.library = SomaFMLibraryProvider(backend=self)
self.uri_schemes = ['somafm']
self.quality = config['somafm']['quality']
self.encoding = config['somafm']['encoding']
self.dj_as_artist = config['somafm']['dj_as_artist']
def on_start(self):
self.somafm.refresh(self.encoding, self.quality)
class SomaFMLibraryProvider(backend.LibraryProvider):
root_directory = Ref.directory(uri='somafm:root', name='SomaFM')
def lookup(self, uri):
# Whatever the uri, it will always contains one track
# which is a url to a pls
if not uri.startswith('somafm:'):
return None
channel_name = uri[uri.index('/') + 1:]
channel_data = self.backend.somafm.channels[channel_name]
# Artists
if self.backend.dj_as_artist:
artist = Artist(name=channel_data['dj'])
else:
artist = Artist()
# Build album (idem as playlist, but with more metada)
album = Album(
artists=[artist],
images=[channel_data['image']],
name=channel_data['title'],
uri='somafm:channel:/%s' % (channel_name))
track = Track(
artists=[artist],
album=album,
last_modified=channel_data['updated'],
comment=channel_data['description'],
genre=channel_data['genre'],
name=channel_data['title'],
uri=channel_data['pls'])
return [track]
def browse(self, uri):
if uri != 'somafm:root':
return []
result = []
for channel in self.backend.somafm.channels:
result.append(Ref.track(
uri='somafm:channel:/%s' % (channel),
name=self.backend.somafm.channels[channel]['title']
))
result.sort(key=lambda ref: ref.name.lower())
return result
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