Pythonscript for track-change notifications in KDE

spotify_notification.py

#!/usr/bin/env python

import dbus
import gobject
from dbus.mainloop.glib import DBusGMainLoop
import time

class SpotifyNotifier(object):

    def __init__(self):
        bus_loop = DBusGMainLoop(set_as_default=True)
        bus = dbus.SessionBus(mainloop=bus_loop)
        loop = gobject.MainLoop()
        self.spotify = bus.get_object("org.mpris.MediaPlayer2.spotify", "/org/mpris/MediaPlayer2")
        self.spotify.connect_to_signal("PropertiesChanged", self.track_changed)
        self.notify_id = None
        loop.run()

    def track_changed(self, sender, metadata, signature):
        if "Metadata" in metadata:
                metadata = metadata["Metadata"]
                title = metadata["xesam:title"]
                album = metadata["xesam:album"]
                artist = " ,".join(metadata["xesam:artist"])

                knotify = dbus.SessionBus().get_object("org.kde.knotify", "/Notify")

                id = knotify.event("warning", "kde", [], title, u"by %s from %s" % (artist, album), [], [], 10, 0, dbus_interface="org.kde.KNotify")

if __name__ == "__main__":
    SpotifyNotifier()