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from dbus_next.service import ServiceInterface, dbus_property, method, signal, Variant
from dbus_next import PropertyAccess, RequestNameReply, BusType
from dbus_next.aio import MessageBus
import asyncio
async def setup_mpris(*names, bus_address=None, system=False):
# TODO maybe they should all share a bus for speed
async def setup(name):
if system:
bus_type = BusType.SYSTEM
else:
bus_type = BusType.SESSION
bus = await MessageBus(bus_type=bus_type,
bus_address=bus_address).connect()
player = MprisPlayer(bus)
bus.export('/org/mpris/MediaPlayer2', player)
bus.export('/org/mpris/MediaPlayer2', MprisRoot())
reply = await bus.request_name(f'org.mpris.MediaPlayer2.{name}')
assert reply == RequestNameReply.PRIMARY_OWNER
return player
players = await asyncio.gather(*(setup(name) for name in names))
await asyncio.gather(*(p.ping() for p in players))
return players
async def setup_playerctld(bus_address=None):
bus = await MessageBus(bus_address=bus_address).connect()
playerctld = PlayerctldInterface(bus)
bus.export('/org/mpris/MediaPlayer2', playerctld)
reply = await bus.request_name('org.mpris.MediaPlayer2.playerctld')
assert reply == RequestNameReply.PRIMARY_OWNER
return playerctld
class MprisRoot(ServiceInterface):
def __init__(self):
super().__init__('org.mpris.MediaPlayer2')
@method()
def Raise(self):
return
@method()
def Quit(self):
return
@dbus_property(access=PropertyAccess.READ)
def CanRaise(self) -> 'b':
return False
@dbus_property(access=PropertyAccess.READ)
def HasTrackList(self) -> 'b':
return False
@dbus_property(access=PropertyAccess.READ)
def Identity(self) -> 's':
return 'playerctl test client'
@dbus_property(access=PropertyAccess.READ)
def SupportedUriSchemes(self) -> 'as':
return ['file']
@dbus_property(access=PropertyAccess.READ)
def SupportedMimeTypes(self) -> 'as':
return ['audio/mp3']
class MprisPlayer(ServiceInterface):
def __init__(self, bus):
super().__init__('org.mpris.MediaPlayer2.Player')
self.counter = 0
self.reset()
self.bus = bus
def reset(self):
# method calls
self.next_called = False
self.previous_called = False
self.pause_called = False
self.play_pause_called = False
self.stop_called = False
self.play_called = False
self.seek_called_with = None
self.set_position_called_with = None
self.open_uri_called_with = None
# properties
self.playback_status = 'Playing'
self.loop_status = 'None'
self.rate = 1.0
self.shuffle = False
self.metadata = {}
self.volume = 1.0
self.position = 0
self.minimum_rate = 1.0
self.maximum_rate = 1.0
self.can_go_next = True
self.can_go_previous = True
self.can_play = True
self.can_pause = True
self.can_seek = True
self.can_control = True
# signals
self.seeked_value = 0
async def ping(self):
await self.bus.introspect('org.freedesktop.DBus',
'/org/freedesktop/DBus')
async def set_artist_title(self, artist, title, track_id=None):
if track_id is None:
self.counter += 1
track_id = '/' + str(self.counter)
self.metadata = {
'xesam:title': Variant('s', title),
'xesam:artist': Variant('as', [artist]),
'mpris:trackid': Variant('o', track_id),
}
self.emit_properties_changed({
'Metadata': self.metadata,
})
await self.ping()
async def clear_metadata(self):
self.counter += 1
self.metadata = {
'mpris:trackid': Variant('o', '/' + str(self.counter)),
}
self.emit_properties_changed({
'Metadata': self.metadata,
})
await self.ping()
async def disconnect(self):
self.bus.disconnect()
await self.bus.wait_for_disconnect()
@method()
def Next(self):
self.next_called = True
@method()
def Previous(self):
self.previous_called = True
@method()
def Pause(self):
self.pause_called = True
@method()
def PlayPause(self):
self.play_pause_called = True
@method()
def Stop(self):
self.stop_called = True
@method()
def Play(self):
self.play_called = True
@method()
def Seek(self, offset: 'x'):
self.seek_called_with = offset
@method()
def SetPosition(self, track_id: 'o', position: 'x'):
self.set_position_called_with = (track_id, position)
@method()
def OpenUri(self, uri: 's'):
self.open_uri_called_with = uri
@signal()
def Seeked(self) -> 'x':
return self.seeked_value
@dbus_property(access=PropertyAccess.READ)
def PlaybackStatus(self) -> 's':
return self.playback_status
@dbus_property()
def LoopStatus(self) -> 's':
return self.loop_status
@LoopStatus.setter
def LoopStatus(self, status: 's'):
self.loop_status = status
@dbus_property()
def Rate(self) -> 'd':
return self.rate
@Rate.setter
def Rate(self, rate: 'd'):
self.rate = rate
@dbus_property()
def Shuffle(self) -> 'b':
return self.shuffle
@Shuffle.setter
def Shuffle(self, shuffle: 'b'):
self.shuffle = shuffle
@dbus_property(access=PropertyAccess.READ)
def Metadata(self) -> 'a{sv}':
return self.metadata
@dbus_property()
def Volume(self) -> 'd':
return self.volume
@Volume.setter
def Volume(self, volume: 'd'):
self.volume = volume
@dbus_property(access=PropertyAccess.READ)
def Position(self) -> 'x':
return self.position
@dbus_property(access=PropertyAccess.READ)
def MinimumRate(self) -> 'd':
return self.minimum_rate
@dbus_property(access=PropertyAccess.READ)
def MaximumRate(self) -> 'd':
return self.maximum_rate
@dbus_property(access=PropertyAccess.READ)
def CanGoNext(self) -> 'b':
return self.can_go_next
@dbus_property(access=PropertyAccess.READ)
def CanGoPrevious(self) -> 'b':
return self.can_go_previous
@dbus_property(access=PropertyAccess.READ)
def CanPlay(self) -> 'b':
return self.can_play
@dbus_property(access=PropertyAccess.READ)
def CanPause(self) -> 'b':
return self.can_pause
@dbus_property(access=PropertyAccess.READ)
def CanSeek(self) -> 'b':
return self.can_seek
@dbus_property(access=PropertyAccess.READ)
def CanControl(self) -> 'b':
return self.can_control
class PlayerctldInterface(ServiceInterface):
'''just enough of playerctld for testing'''
def __init__(self, bus):
super().__init__('com.github.altdesktop.playerctld')
self.bus = bus
self.player_names = []
@dbus_property(access=PropertyAccess.READ)
def PlayerNames(self) -> 'as':
return self.player_names
async def disconnect(self):
self.bus.disconnect()
await self.bus.wait_for_disconnect()
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