MPRIS: Switching from python-sdbus to jeepney, no functionality.

wobuzz/mpris/server.py

@@ -0,0 +1,68 @@
+#!/usr/bin/python3
+
+from threading import Thread
+from jeepney.bus_messages import message_bus
+from jeepney.io.blocking import DBusConnection, open_dbus_connection
+
+from .utils import *
+from .dbus_properties import DBusProperties
+from .mpris_root import MPRISRoot
+from .mpris_player import MPRISPlayer
+
+
+class MPRISServer:
+    def __init__(self, app):
+        self.app = app
+
+        self.properties_interface = DBusProperties(self, PROPERTIES_INTERFACE)
+        self.root_interface = MPRISRoot(self, MPRIS_ROOT_INTERFACE)
+        self.player_interface = MPRISPlayer(self, MPRIS_PLAYER_INTERFACE)
+
+        self.bus_address = DBusAddress(OBJECT_PATH, SERVICE_NAME, PROPERTIES_INTERFACE)
+        self.bus: DBusConnection = None
+
+    def start(self):
+        self.bus = open_dbus_connection()
+
+        reply = self.bus.send_and_get_reply(message_bus.RequestName(SERVICE_NAME))
+        if reply.body[0] == 1:
+            print("MPRIS Server connected to DBus: ", SERVICE_NAME)
+
+        Thread(target=self.run_event_loop, daemon=True).start()
+
+    def run_event_loop(self):
+        while True:
+            msg = self.bus.receive()
+            self.app.gui.window.mpris_signal.emit(msg)  # queue message in the PyQt event loop
+
+    def handle_event(self, event):  # called by app.gui.window.mpris_signal
+        self.handle_message(event)
+
+    def handle_message(self, msg: Message):
+        object_path = msg.header.fields[HeaderFields.path]
+
+        if not object_path == OBJECT_PATH:  # only accept messages for "/org/mpris/MediaPlayer2"
+            self.bus.send_message(new_error(msg, *DBusErrors.unknownObject(object_path)))
+            return
+
+        interface = msg.header.fields[HeaderFields.interface]
+
+        # let the corresponding interface handle the message
+        if interface == PROPERTIES_INTERFACE:
+            self.properties_interface.handle_message(msg)
+
+        elif interface == MPRIS_ROOT_INTERFACE:
+            self.root_interface.handle_message(msg)
+
+        elif interface == MPRIS_PLAYER_INTERFACE:
+            self.player_interface.handle_message(msg)
+
+    def on_playstate_update(self):
+        current_playlist = self.app.player.current_playlist
+
+        if current_playlist is not None and current_playlist.current_track is not None:
+            current_track = current_playlist.current_track
+
+            self.player_interface.metadata["xesam:title"] = ("s", current_track.metadata.title)
+
+        self.properties_interface.properties_changed(MPRIS_PLAYER_INTERFACE)