def __init__(self, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(backends=self.backends, core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def __init__(self, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(backends=self.backends, core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def __init__(self, config=None, mixer=None, backends=None, audio=None):
super().__init__()
self._config = config
self.backends = Backends(backends)
self.library = pykka.traversable(
LibraryController(backends=self.backends, core=self))
self.history = pykka.traversable(HistoryController())
self.mixer = pykka.traversable(MixerController(mixer=mixer))
self.playback = pykka.traversable(
PlaybackController(audio=audio, backends=self.backends, core=self))
self.playlists = pykka.traversable(
PlaylistsController(backends=self.backends, core=self))
self.tracklist = pykka.traversable(TracklistController(core=self))
self.audio = audio
class Core(pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""The library controller. An instance of
:class:`mopidy.core.LibraryController`."""
history = None
"""The playback history controller. An instance of
:class:`mopidy.core.HistoryController`."""
mixer = None
"""The mixer controller. An instance of
:class:`mopidy.core.MixerController`."""
playback = None
"""The playback controller. An instance of
:class:`mopidy.core.PlaybackController`."""
playlists = None
"""The playlists controller. An instance of
:class:`mopidy.core.PlaylistsController`."""
tracklist = None
"""The tracklist controller. An instance of
:class:`mopidy.core.TracklistController`."""
def __init__(self, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(backends=self.backends, core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = deprecated_property(get_uri_schemes)
"""
.. deprecated:: 1.0
Use :meth:`get_uri_schemes` instead.
"""
def get_version(self):
"""Get version of the Mopidy core API"""
return versioning.get_version()
version = deprecated_property(get_version)
"""
.. deprecated:: 1.0
Use :meth:`get_version` instead.
"""
def reached_end_of_stream(self):
self.playback._on_end_of_track()
def stream_changed(self, uri):
self.playback._on_stream_changed(uri)
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state
and self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
def tags_changed(self, tags):
if not self.audio or 'title' not in tags:
return
tags = self.audio.get_current_tags().get()
if not tags:
return
# TODO: this limits us to only streams that set organization, this is
# a hack to make sure we don't emit stream title changes for plain
# tracks. We need a better way to decide if something is a stream.
if 'title' in tags and tags['title'] and 'organization' in tags:
title = tags['title'][0]
self.playback._stream_title = title
CoreListener.send('stream_title_changed', title=title)
class Core(pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""An instance of :class:`~mopidy.core.LibraryController`"""
history = None
"""An instance of :class:`~mopidy.core.HistoryController`"""
mixer = None
"""An instance of :class:`~mopidy.core.MixerController`"""
playback = None
"""An instance of :class:`~mopidy.core.PlaybackController`"""
playlists = None
"""An instance of :class:`~mopidy.core.PlaylistsController`"""
tracklist = None
"""An instance of :class:`~mopidy.core.TracklistController`"""
def __init__(self, config=None, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self._config = config
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(audio=audio,
backends=self.backends,
core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = deprecated_property(get_uri_schemes)
"""
.. deprecated:: 1.0
Use :meth:`get_uri_schemes` instead.
"""
def get_version(self):
"""Get version of the Mopidy core API"""
return versioning.get_version()
version = deprecated_property(get_version)
"""
.. deprecated:: 1.0
Use :meth:`get_version` instead.
"""
def reached_end_of_stream(self):
self.playback._on_end_of_stream()
def stream_changed(self, uri):
self.playback._on_stream_changed(uri)
def position_changed(self, position):
self.playback._on_position_changed(position)
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state
and self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
def tags_changed(self, tags):
if not self.audio or 'title' not in tags:
return
tags = self.audio.get_current_tags().get()
if not tags:
return
# TODO: this limits us to only streams that set organization, this is
# a hack to make sure we don't emit stream title changes for plain
# tracks. We need a better way to decide if something is a stream.
if 'title' in tags and tags['title'] and 'organization' in tags:
title = tags['title'][0]
self.playback._stream_title = title
CoreListener.send('stream_title_changed', title=title)
def setup(self):
"""Do not call this function. It is for internal use at startup."""
try:
coverage = []
if self._config and 'restore_state' in self._config['core']:
if self._config['core']['restore_state']:
coverage = [
'tracklist', 'mode', 'play-last', 'mixer', 'history'
]
if len(coverage):
self._load_state(coverage)
except Exception as e:
logger.warn('Restore state: Unexpected error: %s', str(e))
def teardown(self):
"""Do not call this function. It is for internal use at shutdown."""
try:
if self._config and 'restore_state' in self._config['core']:
if self._config['core']['restore_state']:
self._save_state()
except Exception as e:
logger.warn('Unexpected error while saving state: %s', str(e))
def _get_data_dir(self):
# get or create data director for core
data_dir_path = os.path.join(self._config['core']['data_dir'], b'core')
path.get_or_create_dir(data_dir_path)
return data_dir_path
def _save_state(self):
"""
Save current state to disk.
"""
file_name = os.path.join(self._get_data_dir(), b'state.json.gz')
logger.info('Saving state to %s', file_name)
data = {}
data['version'] = mopidy.__version__
data['state'] = CoreState(tracklist=self.tracklist._save_state(),
history=self.history._save_state(),
playback=self.playback._save_state(),
mixer=self.mixer._save_state())
storage.dump(file_name, data)
logger.debug('Saving state done')
def _load_state(self, coverage):
"""
Restore state from disk.
Load state from disk and restore it. Parameter ``coverage``
limits the amount of data to restore. Possible
values for ``coverage`` (list of one or more of):
- 'tracklist' fill the tracklist
- 'mode' set tracklist properties (consume, random, repeat, single)
- 'play-last' restore play state ('tracklist' also required)
- 'mixer' set mixer volume and mute state
- 'history' restore history
:param coverage: amount of data to restore
:type coverage: list of strings
"""
file_name = os.path.join(self._get_data_dir(), b'state.json.gz')
logger.info('Loading state from %s', file_name)
data = storage.load(file_name)
try:
# Try only once. If something goes wrong, the next start is clean.
os.remove(file_name)
except OSError:
logger.info('Failed to delete %s', file_name)
if 'state' in data:
core_state = data['state']
validation.check_instance(core_state, CoreState)
self.history._load_state(core_state.history, coverage)
self.tracklist._load_state(core_state.tracklist, coverage)
self.mixer._load_state(core_state.mixer, coverage)
# playback after tracklist
self.playback._load_state(core_state.playback, coverage)
logger.debug('Loading state done')
class Core(
pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""An instance of :class:`~mopidy.core.LibraryController`"""
history = None
"""An instance of :class:`~mopidy.core.HistoryController`"""
mixer = None
"""An instance of :class:`~mopidy.core.MixerController`"""
playback = None
"""An instance of :class:`~mopidy.core.PlaybackController`"""
playlists = None
"""An instance of :class:`~mopidy.core.PlaylistsController`"""
tracklist = None
"""An instance of :class:`~mopidy.core.TracklistController`"""
def __init__(self, config=None, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self._config = config
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(backends=self.backends, core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = deprecated_property(get_uri_schemes)
"""
.. deprecated:: 1.0
Use :meth:`get_uri_schemes` instead.
"""
def get_version(self):
"""Get version of the Mopidy core API"""
return versioning.get_version()
version = deprecated_property(get_version)
"""
.. deprecated:: 1.0
Use :meth:`get_version` instead.
"""
def reached_end_of_stream(self):
self.playback._on_end_of_track()
def stream_changed(self, uri):
self.playback._on_stream_changed(uri)
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state and
self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
def tags_changed(self, tags):
if not self.audio or 'title' not in tags:
return
tags = self.audio.get_current_tags().get()
if not tags:
return
# TODO: this limits us to only streams that set organization, this is
# a hack to make sure we don't emit stream title changes for plain
# tracks. We need a better way to decide if something is a stream.
if 'title' in tags and tags['title'] and 'organization' in tags:
title = tags['title'][0]
self.playback._stream_title = title
CoreListener.send('stream_title_changed', title=title)
class Core(pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""The library controller. An instance of
:class:`mopidy.core.LibraryController`."""
playback = None
"""The playback controller. An instance of
:class:`mopidy.core.PlaybackController`."""
playlists = None
"""The playlists controller. An instance of
:class:`mopidy.core.PlaylistsController`."""
tracklist = None
"""The tracklist controller. An instance of
:class:`mopidy.core.TracklistController`."""
def __init__(self, mixer=None, backends=None):
super(Core, self).__init__()
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.playback = PlaybackController(mixer=mixer,
backends=self.backends,
core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
def get_uri_schemes(self):
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = property(get_uri_schemes)
"""List of URI schemes we can handle"""
def get_version(self):
return versioning.get_version()
version = property(get_version)
"""Version of the Mopidy core API"""
def reached_end_of_stream(self):
self.playback.on_end_of_track()
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state
and self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
class Core(
pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""An instance of :class:`~mopidy.core.LibraryController`"""
history = None
"""An instance of :class:`~mopidy.core.HistoryController`"""
mixer = None
"""An instance of :class:`~mopidy.core.MixerController`"""
playback = None
"""An instance of :class:`~mopidy.core.PlaybackController`"""
playlists = None
"""An instance of :class:`~mopidy.core.PlaylistsController`"""
tracklist = None
"""An instance of :class:`~mopidy.core.TracklistController`"""
def __init__(self, config=None, mixer=None, backends=None, audio=None):
super(Core, self).__init__()
self._config = config
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.history = HistoryController()
self.mixer = MixerController(mixer=mixer)
self.playback = PlaybackController(
audio=audio, backends=self.backends, core=self)
self.playlists = PlaylistsController(backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
self.audio = audio
def get_uri_schemes(self):
"""Get list of URI schemes we can handle"""
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = deprecated_property(get_uri_schemes)
"""
.. deprecated:: 1.0
Use :meth:`get_uri_schemes` instead.
"""
def get_version(self):
"""Get version of the Mopidy core API"""
return versioning.get_version()
version = deprecated_property(get_version)
"""
.. deprecated:: 1.0
Use :meth:`get_version` instead.
"""
def reached_end_of_stream(self):
self.playback._on_end_of_stream()
def stream_changed(self, uri):
self.playback._on_stream_changed(uri)
def position_changed(self, position):
self.playback._on_position_changed(position)
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state and
self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
def tags_changed(self, tags):
if not self.audio or 'title' not in tags:
return
tags = self.audio.get_current_tags().get()
if not tags:
return
# TODO: this limits us to only streams that set organization, this is
# a hack to make sure we don't emit stream title changes for plain
# tracks. We need a better way to decide if something is a stream.
if 'title' in tags and tags['title'] and 'organization' in tags:
title = tags['title'][0]
self.playback._stream_title = title
CoreListener.send('stream_title_changed', title=title)
def setup(self):
"""Do not call this function. It is for internal use at startup."""
try:
coverage = []
if self._config and 'restore_state' in self._config['core']:
if self._config['core']['restore_state']:
coverage = ['tracklist', 'mode', 'play-last', 'mixer',
'history']
if len(coverage):
self._load_state(coverage)
except Exception as e:
logger.warn('Restore state: Unexpected error: %s', str(e))
def teardown(self):
"""Do not call this function. It is for internal use at shutdown."""
try:
if self._config and 'restore_state' in self._config['core']:
if self._config['core']['restore_state']:
self._save_state()
except Exception as e:
logger.warn('Unexpected error while saving state: %s', str(e))
def _get_data_dir(self):
# get or create data director for core
data_dir_path = os.path.join(self._config['core']['data_dir'], b'core')
path.get_or_create_dir(data_dir_path)
return data_dir_path
def _save_state(self):
"""
Save current state to disk.
"""
file_name = os.path.join(self._get_data_dir(), b'state.json.gz')
logger.info('Saving state to %s', file_name)
data = {}
data['version'] = mopidy.__version__
data['state'] = CoreState(
tracklist=self.tracklist._save_state(),
history=self.history._save_state(),
playback=self.playback._save_state(),
mixer=self.mixer._save_state())
storage.dump(file_name, data)
logger.debug('Saving state done')
def _load_state(self, coverage):
"""
Restore state from disk.
Load state from disk and restore it. Parameter ``coverage``
limits the amount of data to restore. Possible
values for ``coverage`` (list of one or more of):
- 'tracklist' fill the tracklist
- 'mode' set tracklist properties (consume, random, repeat, single)
- 'play-last' restore play state ('tracklist' also required)
- 'mixer' set mixer volume and mute state
- 'history' restore history
:param coverage: amount of data to restore
:type coverage: list of strings
"""
file_name = os.path.join(self._get_data_dir(), b'state.json.gz')
logger.info('Loading state from %s', file_name)
data = storage.load(file_name)
try:
# Try only once. If something goes wrong, the next start is clean.
os.remove(file_name)
except OSError:
logger.info('Failed to delete %s', file_name)
if 'state' in data:
core_state = data['state']
validation.check_instance(core_state, CoreState)
self.history._load_state(core_state.history, coverage)
self.tracklist._load_state(core_state.tracklist, coverage)
self.mixer._load_state(core_state.mixer, coverage)
# playback after tracklist
self.playback._load_state(core_state.playback, coverage)
logger.debug('Loading state done')
class Core(
pykka.ThreadingActor, audio.AudioListener, backend.BackendListener,
mixer.MixerListener):
library = None
"""The library controller. An instance of
:class:`mopidy.core.LibraryController`."""
playback = None
"""The playback controller. An instance of
:class:`mopidy.core.PlaybackController`."""
playlists = None
"""The playlists controller. An instance of
:class:`mopidy.core.PlaylistsController`."""
tracklist = None
"""The tracklist controller. An instance of
:class:`mopidy.core.TracklistController`."""
def __init__(self, mixer=None, backends=None):
super(Core, self).__init__()
self.backends = Backends(backends)
self.library = LibraryController(backends=self.backends, core=self)
self.playback = PlaybackController(
mixer=mixer, backends=self.backends, core=self)
self.playlists = PlaylistsController(
backends=self.backends, core=self)
self.tracklist = TracklistController(core=self)
def get_uri_schemes(self):
futures = [b.uri_schemes for b in self.backends]
results = pykka.get_all(futures)
uri_schemes = itertools.chain(*results)
return sorted(uri_schemes)
uri_schemes = property(get_uri_schemes)
"""List of URI schemes we can handle"""
def get_version(self):
return versioning.get_version()
version = property(get_version)
"""Version of the Mopidy core API"""
def reached_end_of_stream(self):
self.playback.on_end_of_track()
def state_changed(self, old_state, new_state, target_state):
# XXX: This is a temporary fix for issue #232 while we wait for a more
# permanent solution with the implementation of issue #234. When the
# Spotify play token is lost, the Spotify backend pauses audio
# playback, but mopidy.core doesn't know this, so we need to update
# mopidy.core's state to match the actual state in mopidy.audio. If we
# don't do this, clients will think that we're still playing.
# We ignore cases when target state is set as this is buffering
# updates (at least for now) and we need to get #234 fixed...
if (new_state == PlaybackState.PAUSED and not target_state
and self.playback.state != PlaybackState.PAUSED):
self.playback.state = new_state
self.playback._trigger_track_playback_paused()
def playlists_loaded(self):
# Forward event from backend to frontends
CoreListener.send('playlists_loaded')
def volume_changed(self, volume):
# Forward event from mixer to frontends
CoreListener.send('volume_changed', volume=volume)
def mute_changed(self, mute):
# Forward event from mixer to frontends
CoreListener.send('mute_changed', mute=mute)
