import gobject

import dbus
import dbus.glib

def handler(sender=None):
    print "got signal from %r" % sender

def catchall_signal_handler(*args, **kwargs):
    print ("Caught signal (in catchall handler) " + kwargs['dbus_interface'] + "." + kwargs['member'])
    for arg in args:
        print "        " + str(arg)


system_bus = dbus.SystemBus()

#obj = system_bus.get_object('com.nokia.mce', '/com/nokia/mce/signal')
#iface = dbus.Interface(obj, 'com.nokia.mce.signal')
#iface.connect_to_signal("signal", handler, member_keyword='display_status_ind')
#iface.connect_to_signal("signal", handler)
#iface.connect_to_signal("display_status_ind", handler)
#obj.connect_to_signal("display_status_ind", handler, dbus_interface="com.nokia.mce.signal")

system_bus.add_signal_receiver(handler_function=catchall_signal_handler, dbus_interface="com.nokia.mce")

loop = gobject.MainLoop()
loop.run()

print "exited"