74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
from __future__ import unicode_literals
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import itertools
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import pykka
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from mopidy.audio import AudioListener
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from .current_playlist import CurrentPlaylistController
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from .library import LibraryController
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from .playback import PlaybackController
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from .stored_playlists import StoredPlaylistsController
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class Core(pykka.ThreadingActor, AudioListener):
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#: The current playlist controller. An instance of
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#: :class:`mopidy.core.CurrentPlaylistController`.
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current_playlist = None
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#: The library controller. An instance of
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# :class:`mopidy.core.LibraryController`.
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library = None
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#: The playback controller. An instance of
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#: :class:`mopidy.core.PlaybackController`.
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playback = None
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#: The stored playlists controller. An instance of
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#: :class:`mopidy.core.StoredPlaylistsController`.
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stored_playlists = None
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def __init__(self, audio=None, backends=None):
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super(Core, self).__init__()
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self.backends = Backends(backends)
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self.current_playlist = CurrentPlaylistController(core=self)
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self.library = LibraryController(backends=self.backends, core=self)
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self.playback = PlaybackController(
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audio=audio, backends=self.backends, core=self)
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self.stored_playlists = StoredPlaylistsController(
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backends=self.backends, core=self)
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@property
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def uri_schemes(self):
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"""List of URI schemes we can handle"""
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futures = [b.uri_schemes for b in self.backends]
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results = pykka.get_all(futures)
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uri_schemes = itertools.chain(*results)
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return sorted(uri_schemes)
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def reached_end_of_stream(self):
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self.playback.on_end_of_track()
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class Backends(list):
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def __init__(self, backends):
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super(Backends, self).__init__(backends)
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self.by_uri_scheme = {}
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for backend in backends:
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uri_schemes = backend.uri_schemes.get()
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for uri_scheme in uri_schemes:
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assert uri_scheme not in self.by_uri_scheme, (
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'Cannot add URI scheme %s for %s, '
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'it is already handled by %s'
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) % (
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uri_scheme, backend.__class__.__name__,
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self.by_uri_scheme[uri_scheme].__class__.__name__)
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self.by_uri_scheme[uri_scheme] = backend
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