556 lines
23 KiB
Python
Executable File
556 lines
23 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import dbus
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import os
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from operator import itemgetter
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import argparse
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import re
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from urllib.parse import unquote
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import time
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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DBusGMainLoop(set_as_default=True)
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FORMAT_STRING = '{icon} {artist} - {title}'
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FORMAT_REGEX = re.compile(r'(\{:(?P<tag>.*?)(:(?P<format>[wt])(?P<formatlen>\d+))?:(?P<text>.*?):\})', re.I)
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FORMAT_TAG_REGEX = re.compile(r'(?P<format>[wt])(?P<formatlen>\d+)')
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SAFE_TAG_REGEX = re.compile(r'[{}]')
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class PlayerManager:
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def __init__(self, filter_list, block_mode = True, connect = True):
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self.filter_list = filter_list
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self.block_mode = block_mode
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self._connect = connect
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self._session_bus = dbus.SessionBus()
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self.players = {}
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self.print_queue = []
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self.connected = False
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self.player_states = {}
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self.refreshPlayerList()
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if self._connect:
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self.connect()
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loop = GLib.MainLoop()
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try:
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loop.run()
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except KeyboardInterrupt:
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print("interrupt received, stopping…")
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def connect(self):
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self._session_bus.add_signal_receiver(self.onOwnerChangedName, 'NameOwnerChanged')
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self._session_bus.add_signal_receiver(self.onChangedProperties, 'PropertiesChanged',
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path = '/org/mpris/MediaPlayer2',
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sender_keyword='sender')
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def onChangedProperties(self, interface, properties, signature, sender = None):
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if sender in self.players:
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player = self.players[sender]
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# If we know this player, but haven't been able to set up a signal handler
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if 'properties_changed' not in player._signals:
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# Then trigger the signal handler manually
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player.onPropertiesChanged(interface, properties, signature)
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else:
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# If we don't know this player, get its name and add it
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bus_name = self.getBusNameFromOwner(sender)
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if bus_name is None:
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return
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self.addPlayer(bus_name, sender)
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player = self.players[sender]
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player.onPropertiesChanged(interface, properties, signature)
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def onOwnerChangedName(self, bus_name, old_owner, new_owner):
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if self.busNameIsAPlayer(bus_name):
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if new_owner and not old_owner:
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self.addPlayer(bus_name, new_owner)
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elif old_owner and not new_owner:
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self.removePlayer(old_owner)
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else:
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self.changePlayerOwner(bus_name, old_owner, new_owner)
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def getBusNameFromOwner(self, owner):
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player_bus_names = [ bus_name for bus_name in self._session_bus.list_names() if self.busNameIsAPlayer(bus_name) ]
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for player_bus_name in player_bus_names:
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player_bus_owner = self._session_bus.get_name_owner(player_bus_name)
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if owner == player_bus_owner:
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return player_bus_name
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def busNameIsAPlayer(self, bus_name):
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if bus_name.startswith('org.mpris.MediaPlayer2') is False:
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return False
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name = bus_name.split('.')[3]
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if self.block_mode is True:
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return name not in self.filter_list
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return name in self.filter_list
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def refreshPlayerList(self):
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player_bus_names = [ bus_name for bus_name in self._session_bus.list_names() if self.busNameIsAPlayer(bus_name) ]
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for player_bus_name in player_bus_names:
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self.addPlayer(player_bus_name)
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if self.connected != True:
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self.connected = True
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self.printQueue()
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def addPlayer(self, bus_name, owner = None):
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player = Player(self._session_bus, bus_name, owner = owner, connect = self._connect, _print = self.print)
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self.players[player.owner] = player
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def removePlayer(self, owner):
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if owner in self.players:
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self.players[owner].disconnect()
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del self.players[owner]
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# If there are no more players, clear the output
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if len(self.players) == 0:
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_printFlush(ICON_NONE)
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# Else, print the output of the next active player
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else:
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players = self.getSortedPlayerOwnerList()
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if len(players) > 0:
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self.players[players[0]].printStatus()
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def changePlayerOwner(self, bus_name, old_owner, new_owner):
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player = Player(self._session_bus, bus_name, owner = new_owner, connect = self._connect, _print = self.print)
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self.players[new_owner] = player
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del self.players[old_owner]
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# Get a list of player owners sorted by current status and age
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def getSortedPlayerOwnerList(self):
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players = [
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{
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'number': int(owner.split('.')[-1]),
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'status': 2 if player.status == 'playing' else 1 if player.status == 'paused' else 0,
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'owner': owner
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}
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for owner, player in self.players.items()
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]
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return [ info['owner'] for info in reversed(sorted(players, key=itemgetter('status', 'number'))) ]
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# Get latest player that's currently playing
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def getCurrentPlayer(self):
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playing_players = [
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player_owner for player_owner in self.getSortedPlayerOwnerList()
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if
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self.players[player_owner].status == 'playing' or
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self.players[player_owner].status == 'paused'
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]
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return self.players[playing_players[0]] if playing_players else None
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def print(self, status, player):
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self.player_states[player.bus_name] = status
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if self.connected:
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current_player = self.getCurrentPlayer()
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if current_player != None:
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_printFlush(self.player_states[current_player.bus_name])
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else:
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_printFlush(ICON_STOPPED)
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else:
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self.print_queue.append([status, player])
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def printQueue(self):
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for args in self.print_queue:
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self.print(args[0], args[1])
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self.print_queue.clear()
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class Player:
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def __init__(self, session_bus, bus_name, owner = None, connect = True, _print = None):
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self._session_bus = session_bus
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self.bus_name = bus_name
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self._disconnecting = False
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self.__print = _print
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self.metadata = {
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'artist' : '',
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'album' : '',
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'title' : '',
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'track' : 0
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}
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self._rate = 1.
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self._positionAtLastUpdate = 0.
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self._timeAtLastUpdate = time.time()
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self._positionTimerRunning = False
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self._metadata = None
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self.status = 'stopped'
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self.icon = ICON_NONE
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self.icon_reversed = ICON_PLAYING
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if owner is not None:
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self.owner = owner
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else:
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self.owner = self._session_bus.get_name_owner(bus_name)
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self._obj = self._session_bus.get_object(self.bus_name, '/org/mpris/MediaPlayer2')
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self._properties_interface = dbus.Interface(self._obj, dbus_interface='org.freedesktop.DBus.Properties')
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self._introspect_interface = dbus.Interface(self._obj, dbus_interface='org.freedesktop.DBus.Introspectable')
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self._media_interface = dbus.Interface(self._obj, dbus_interface='org.mpris.MediaPlayer2')
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self._player_interface = dbus.Interface(self._obj, dbus_interface='org.mpris.MediaPlayer2.Player')
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self._introspect = self._introspect_interface.get_dbus_method('Introspect', dbus_interface=None)
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self._getProperty = self._properties_interface.get_dbus_method('Get', dbus_interface=None)
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self._playerPlay = self._player_interface.get_dbus_method('Play', dbus_interface=None)
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self._playerPause = self._player_interface.get_dbus_method('Pause', dbus_interface=None)
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self._playerPlayPause = self._player_interface.get_dbus_method('PlayPause', dbus_interface=None)
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self._playerStop = self._player_interface.get_dbus_method('Stop', dbus_interface=None)
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self._playerPrevious = self._player_interface.get_dbus_method('Previous', dbus_interface=None)
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self._playerNext = self._player_interface.get_dbus_method('Next', dbus_interface=None)
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self._playerRaise = self._media_interface.get_dbus_method('Raise', dbus_interface=None)
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self._signals = {}
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self.refreshPosition()
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self.refreshStatus()
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self.refreshMetadata()
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if connect:
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self.printStatus()
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self.connect()
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def play(self):
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self._playerPlay()
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def pause(self):
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self._playerPause()
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def playpause(self):
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self._playerPlayPause()
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def stop(self):
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self._playerStop()
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def previous(self):
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self._playerPrevious()
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def next(self):
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self._playerNext()
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def raisePlayer(self):
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self._playerRaise()
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def connect(self):
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if self._disconnecting is not True:
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introspect_xml = self._introspect(self.bus_name, '/')
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if 'TrackMetadataChanged' in introspect_xml:
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self._signals['track_metadata_changed'] = self._session_bus.add_signal_receiver(self.onMetadataChanged, 'TrackMetadataChanged', self.bus_name)
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self._signals['seeked'] = self._player_interface.connect_to_signal('Seeked', self.onSeeked)
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self._signals['properties_changed'] = self._properties_interface.connect_to_signal('PropertiesChanged', self.onPropertiesChanged)
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def disconnect(self):
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self._disconnecting = True
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for signal_name, signal_handler in list(self._signals.items()):
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signal_handler.remove()
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del self._signals[signal_name]
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def refreshStatus(self):
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# Some clients (VLC) will momentarily create a new player before removing it again
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# so we can't be sure the interface still exists
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try:
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self.status = str(self._getProperty('org.mpris.MediaPlayer2.Player', 'PlaybackStatus')).lower()
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self.updateIcon()
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self.checkPositionTimer()
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except dbus.exceptions.DBusException:
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self.disconnect()
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def refreshMetadata(self):
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# Some clients (VLC) will momentarily create a new player before removing it again
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# so we can't be sure the interface still exists
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try:
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self._metadata = self._getProperty('org.mpris.MediaPlayer2.Player', 'Metadata')
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self._parseMetadata()
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except dbus.exceptions.DBusException:
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self.disconnect()
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def updateIcon(self):
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self.icon = (
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ICON_PLAYING if self.status == 'playing' else
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ICON_PAUSED if self.status == 'paused' else
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ICON_STOPPED if self.status == 'stopped' else
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ICON_NONE
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)
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self.icon_reversed = (
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ICON_PAUSED if self.status == 'playing' else
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ICON_PLAYING
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)
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def _print(self, status):
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self.__print(status, self)
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def _parseMetadata(self):
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if self._metadata != None:
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# Obtain properties from _metadata
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_artist = _getProperty(self._metadata, 'xesam:artist', [''])
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_album = _getProperty(self._metadata, 'xesam:album', '')
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_title = _getProperty(self._metadata, 'xesam:title', '')
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_track = _getProperty(self._metadata, 'xesam:trackNumber', '')
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_genre = _getProperty(self._metadata, 'xesam:genre', [''])
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_disc = _getProperty(self._metadata, 'xesam:discNumber', '')
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_length = _getProperty(self._metadata, 'xesam:length', 0) or _getProperty(self._metadata, 'mpris:length', 0)
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_length_int = _length if type(_length) is int else int(float(_length))
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_fmt_length = ( # Formats using h:mm:ss if length > 1 hour, else m:ss
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f'{_length_int/1e6//60:.0f}:{_length_int/1e6%60:02.0f}'
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if _length_int < 3600*1e6 else
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f'{_length_int/1e6//3600:.0f}:{_length_int/1e6%3600//60:02.0f}:{_length_int/1e6%60:02.0f}'
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)
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_date = _getProperty(self._metadata, 'xesam:contentCreated', '')
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_year = _date[0:4] if len(_date) else ''
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_url = _getProperty(self._metadata, 'xesam:url', '')
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_cover = _getProperty(self._metadata, 'xesam:artUrl', '') or _getProperty(self._metadata, 'mpris:artUrl', '')
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_duration = _getDuration(_length_int)
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# Update metadata
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self.metadata['artist'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _metadataGetFirstItem(_artist))
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self.metadata['album'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _metadataGetFirstItem(_album))
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self.metadata['title'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _metadataGetFirstItem(_title))
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self.metadata['track'] = _track
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self.metadata['genre'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _metadataGetFirstItem(_genre))
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self.metadata['disc'] = _disc
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self.metadata['date'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _date)
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self.metadata['year'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _year)
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self.metadata['url'] = _url
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self.metadata['filename'] = os.path.basename(_url)
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self.metadata['length'] = _length_int
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self.metadata['fmt-length'] = _fmt_length
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self.metadata['cover'] = re.sub(SAFE_TAG_REGEX, """\1\1""", _metadataGetFirstItem(_cover))
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self.metadata['duration'] = _duration
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def onMetadataChanged(self, track_id, metadata):
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self.refreshMetadata()
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self.printStatus()
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def onPropertiesChanged(self, interface, properties, signature):
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updated = False
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if dbus.String('Metadata') in properties:
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_metadata = properties[dbus.String('Metadata')]
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if _metadata != self._metadata:
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self._metadata = _metadata
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self._parseMetadata()
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updated = True
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if dbus.String('PlaybackStatus') in properties:
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status = str(properties[dbus.String('PlaybackStatus')]).lower()
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if status != self.status:
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self.status = status
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self.checkPositionTimer()
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self.updateIcon()
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updated = True
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if dbus.String('Rate') in properties and dbus.String('PlaybackStatus') not in properties:
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self.refreshStatus()
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if NEEDS_POSITION and dbus.String('Rate') in properties:
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rate = properties[dbus.String('Rate')]
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if rate != self._rate:
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self._rate = rate
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self.refreshPosition()
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if updated:
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self.refreshPosition()
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self.printStatus()
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def checkPositionTimer(self):
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if NEEDS_POSITION and self.status == 'playing' and not self._positionTimerRunning:
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self._positionTimerRunning = True
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GLib.timeout_add_seconds(1, self._positionTimer)
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def onSeeked(self, position):
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self.refreshPosition()
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self.printStatus()
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def _positionTimer(self):
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self.printStatus()
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self._positionTimerRunning = self.status == 'playing'
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return self._positionTimerRunning
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def refreshPosition(self):
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try:
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time_us = self._getProperty('org.mpris.MediaPlayer2.Player', 'Position')
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except dbus.exceptions.DBusException:
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time_us = 0
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self._timeAtLastUpdate = time.time()
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self._positionAtLastUpdate = time_us / 1000000
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def _getPosition(self):
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if self.status == 'playing':
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return self._positionAtLastUpdate + self._rate * (time.time() - self._timeAtLastUpdate)
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else:
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return self._positionAtLastUpdate
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def _statusReplace(self, match, metadata):
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tag = match.group('tag')
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format = match.group('format')
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formatlen = match.group('formatlen')
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text = match.group('text')
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tag_found = False
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reversed_tag = False
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if tag.startswith('-'):
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tag = tag[1:]
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reversed_tag = True
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if format is None:
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tag_is_format_match = re.match(FORMAT_TAG_REGEX, tag)
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if tag_is_format_match:
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format = tag_is_format_match.group('format')
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formatlen = tag_is_format_match.group('formatlen')
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tag_found = True
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if format is not None:
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text = text.format_map(CleanSafeDict(**metadata))
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if format == 'w':
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formatlen = int(formatlen)
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text = text[:formatlen]
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elif format == 't':
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formatlen = int(formatlen)
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if len(text) > formatlen:
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text = text[:max(formatlen - len(TRUNCATE_STRING), 0)] + TRUNCATE_STRING
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if tag_found is False and tag in metadata and len(metadata[tag]):
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tag_found = True
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if reversed_tag:
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tag_found = not tag_found
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if tag_found:
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return text
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else:
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return ''
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def printStatus(self):
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if self.status in [ 'playing', 'paused' ]:
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metadata = { **self.metadata, 'icon': self.icon, 'icon-reversed': self.icon_reversed }
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if NEEDS_POSITION:
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metadata['position'] = time.strftime("%M:%S", time.gmtime(self._getPosition()))
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# replace metadata tags in text
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text = re.sub(FORMAT_REGEX, lambda match: self._statusReplace(match, metadata), FORMAT_STRING)
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# restore polybar tag formatting and replace any remaining metadata tags after that
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try:
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text = re.sub(r'p(.*?)p(.*?)p(.*?)p', r'%{\1}\2%{\3}', text.format_map(CleanSafeDict(**metadata)))
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except:
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print("Invalid format string")
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self._print(text)
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else:
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self._print(ICON_STOPPED)
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def _dbusValueToPython(value):
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if isinstance(value, dbus.Dictionary):
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return {_dbusValueToPython(key): _dbusValueToPython(value) for key, value in value.items()}
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elif isinstance(value, dbus.Array):
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return [ _dbusValueToPython(item) for item in value ]
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elif isinstance(value, dbus.Boolean):
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return int(value) == 1
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elif (
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isinstance(value, dbus.Byte) or
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isinstance(value, dbus.Int16) or
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isinstance(value, dbus.UInt16) or
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isinstance(value, dbus.Int32) or
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isinstance(value, dbus.UInt32) or
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isinstance(value, dbus.Int64) or
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isinstance(value, dbus.UInt64)
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):
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return int(value)
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elif isinstance(value, dbus.Double):
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return float(value)
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elif (
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isinstance(value, dbus.ObjectPath) or
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isinstance(value, dbus.Signature) or
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isinstance(value, dbus.String)
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):
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return unquote(str(value))
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def _getProperty(properties, property, default = None):
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value = default
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if not isinstance(property, dbus.String):
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property = dbus.String(property)
|
|
if property in properties:
|
|
value = properties[property]
|
|
return _dbusValueToPython(value)
|
|
else:
|
|
return value
|
|
|
|
def _getDuration(t: int):
|
|
seconds = t / 1000000
|
|
return time.strftime("%M:%S", time.gmtime(seconds))
|
|
|
|
def _metadataGetFirstItem(_value):
|
|
if type(_value) is list:
|
|
# Returns the string representation of the first item on _value if it has at least one item.
|
|
# Returns an empty string if _value is empty.
|
|
return str(_value[0]) if len(_value) else ''
|
|
else:
|
|
# If _value isn't a list just return the string representation of _value.
|
|
return str(_value)
|
|
|
|
class CleanSafeDict(dict):
|
|
def __missing__(self, key):
|
|
return '{{{}}}'.format(key)
|
|
|
|
|
|
"""
|
|
Seems to assure print() actually prints when no terminal is connected
|
|
"""
|
|
|
|
_last_status = ''
|
|
def _printFlush(status, **kwargs):
|
|
global _last_status
|
|
if status != _last_status:
|
|
print(status, **kwargs)
|
|
sys.stdout.flush()
|
|
_last_status = status
|
|
|
|
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('command', help="send the given command to the active player",
|
|
choices=[ 'play', 'pause', 'play-pause', 'stop', 'previous', 'next', 'status', 'list', 'current', 'metadata', 'raise' ],
|
|
default=None,
|
|
nargs='?')
|
|
parser.add_argument('-b', '--blacklist', help="ignore a player by it's bus name. Can be given multiple times (e.g. -b vlc -b audacious)",
|
|
action='append',
|
|
metavar="BUS_NAME",
|
|
default=[])
|
|
parser.add_argument('-w', '--whitelist', help="permit a player by it's bus name like --blacklist. will block --blacklist if given",
|
|
action='append',
|
|
metavar="BUS_NAME",
|
|
default=[])
|
|
parser.add_argument('-f', '--format', default='{icon} {:artist:{artist} - :}{:title:{title}:}{:-title:{filename}:}')
|
|
parser.add_argument('--truncate-text', default='…')
|
|
parser.add_argument('--icon-playing', default='⏵')
|
|
parser.add_argument('--icon-paused', default='⏸')
|
|
parser.add_argument('--icon-stopped', default='⏹')
|
|
parser.add_argument('--icon-none', default='')
|
|
args = parser.parse_args()
|
|
|
|
FORMAT_STRING = re.sub(r'%\{(.*?)\}(.*?)%\{(.*?)\}', r'p\1p\2p\3p', args.format)
|
|
NEEDS_POSITION = "{position}" in FORMAT_STRING
|
|
|
|
TRUNCATE_STRING = args.truncate_text
|
|
ICON_PLAYING = args.icon_playing
|
|
ICON_PAUSED = args.icon_paused
|
|
ICON_STOPPED = args.icon_stopped
|
|
ICON_NONE = args.icon_none
|
|
|
|
block_mode = len(args.whitelist) == 0
|
|
filter_list = args.blacklist if block_mode else args.whitelist
|
|
|
|
if args.command is None:
|
|
PlayerManager(filter_list = filter_list, block_mode = block_mode)
|
|
else:
|
|
player_manager = PlayerManager(filter_list = filter_list, block_mode = block_mode, connect = False)
|
|
current_player = player_manager.getCurrentPlayer()
|
|
if args.command == 'play' and current_player:
|
|
current_player.play()
|
|
elif args.command == 'pause' and current_player:
|
|
current_player.pause()
|
|
elif args.command == 'play-pause' and current_player:
|
|
current_player.playpause()
|
|
elif args.command == 'stop' and current_player:
|
|
current_player.stop()
|
|
elif args.command == 'previous' and current_player:
|
|
current_player.previous()
|
|
elif args.command == 'next' and current_player:
|
|
current_player.next()
|
|
elif args.command == 'status' and current_player:
|
|
current_player.printStatus()
|
|
elif args.command == 'list':
|
|
print("\n".join(sorted([
|
|
"{} : {}".format(player.bus_name.split('.')[3], player.status)
|
|
for player in player_manager.players.values() ])))
|
|
elif args.command == 'current' and current_player:
|
|
print("{} : {}".format(current_player.bus_name.split('.')[3], current_player.status))
|
|
elif args.command == 'metadata' and current_player:
|
|
print(_dbusValueToPython(current_player._metadata))
|
|
elif args.command == 'raise' and current_player:
|
|
current_player.raisePlayer()
|
|
|