Blob: simple-player

Blob id: 8a1cb1e33a4e2b0f0d899ce43115667c92a1b943

Size: 4.1 KB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later



import os
import sys
import dbus
import dbus.service
import dbus.mainloop.glib
try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject
import bluezutils

class Player(dbus.service.Object):
	properties = None
	metadata = None

	def set_object(self, obj = None):
		if obj != None:
			bus = dbus.SystemBus()
			mp = dbus.Interface(bus.get_object("org.bluez", obj),
						"org.bluez.MediaPlayer1")
			prop = dbus.Interface(bus.get_object("org.bluez", obj),
						"org.freedesktop.DBus.Properties")

			self.properties = prop.GetAll("org.bluez.MediaPlayer1")

			bus.add_signal_receiver(self.properties_changed,
				path = obj,
				dbus_interface = "org.freedesktop.DBus.Properties",
				signal_name = "PropertiesChanged")
		else:
			track = dbus.Dictionary({
					"xesam:title" : "Title",
					"xesam:artist" : ["Artist"],
					"xesam:album" : "Album",
					"xesam:genre" : ["Genre"],
					"xesam:trackNumber" : dbus.Int32(1),
					"mpris:length" : dbus.Int64(10000) },
					signature="sv")

			self.properties = dbus.Dictionary({
					"PlaybackStatus" : "playing",
					"Identity" : "SimplePlayer",
					"LoopStatus" : "None",
					"Rate" : dbus.Double(1.0),
					"Shuffle" : dbus.Boolean(False),
					"Metadata" : track,
					"Volume" : dbus.Double(1.0),
					"Position" : dbus.Int64(0),
					"MinimumRate" : dbus.Double(1.0),
					"MaximumRate" : dbus.Double(1.0),
					"CanGoNext" : dbus.Boolean(False),
					"CanGoPrevious" : dbus.Boolean(False),
					"CanPlay" : dbus.Boolean(False),
					"CanSeek" : dbus.Boolean(False),
					"CanControl" : dbus.Boolean(False),
					},
					signature="sv")

			handler = InputHandler(self)
			GObject.io_add_watch(sys.stdin, GObject.IO_IN,
							handler.handle)

	@dbus.service.method("org.freedesktop.DBus.Properties",
					in_signature="ssv", out_signature="")
	def Set(self, interface, key, value):
		print("Set (%s, %s)" % (key, value), file=sys.stderr)
		return

	@dbus.service.signal("org.freedesktop.DBus.Properties",
							signature="sa{sv}as")
	def PropertiesChanged(self, interface, properties,
						invalidated = dbus.Array()):
		"""PropertiesChanged(interface, properties, invalidated)

		Send a PropertiesChanged signal. 'properties' is a dictionary
		containing string parameters as specified in doc/media-api.rst.
		"""
		pass

	def help(self, func):
		help(self.__class__.__dict__[func])

	def properties_changed(self, interface, properties, invalidated):
		print("properties_changed(%s, %s)" % (properties, invalidated))

		self.PropertiesChanged(interface, properties, invalidated)

class InputHandler:
	commands = { 'PropertiesChanged': '(interface, properties)',
			'help': '(cmd)' }
	def __init__(self, player):
		self.player = player
		print('\n\nAvailable commands:')
		for cmd in self.commands:
			print('\t', cmd, self.commands[cmd], sep='')

		print("\nUse python syntax to pass arguments to available methods.\n" \
                "E.g.: PropertiesChanged({'Metadata' : {'Title': 'My title', \
		'Album': 'my album' }})")
		self.prompt()

	def prompt(self):
		print('\n>>> ', end='')
		sys.stdout.flush()

	def handle(self, fd, condition):
		s = os.read(fd.fileno(), 1024).strip()
		try:
			cmd = s[:s.find('(')]
			if not cmd in self.commands:
				print("Unknown command ", cmd)
		except ValueError:
			print("Malformed command")
			return True

		try:
			exec("self.player.%s" % s)
		except Exception as e:
			print(e)
			pass
		self.prompt()
		return True


if __name__ == '__main__':
	dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

	bus = dbus.SystemBus()

	if len(sys.argv) > 1:
		path = bluezutils.find_adapter(sys.argv[1]).object_path
	else:
		path = bluezutils.find_adapter().object_path

	media = dbus.Interface(bus.get_object("org.bluez", path),
						"org.bluez.Media1")

	path = "/test/player"
	player = Player(bus, path)
	mainloop = GObject.MainLoop()

	if len(sys.argv) > 2:
		player.set_object(sys.argv[2])
	else:
		player.set_object()

	print('Register media player with:\n\tProperties: %s' \
						% (player.properties))

	media.RegisterPlayer(dbus.ObjectPath(path), player.properties)

	mainloop.run()