receiver.py

#!/usr/bin/env python

import gobject
import dbus
import dbus.service
import dbus.glib


class Test(dbus.service.Object):
    loop = None

    def __init__(self, bus_name, object_path, loop):
        dbus.service.Object.__init__(self, bus_name, object_path)
        self.loop = loop

    @dbus.service.method('tld.domain.sub.TestInterface')
    def foo(self):
        return "Foo"

    # Stop the main loop
    @dbus.service.method('tld.domain.sub.TestInterface')
    def stop(self):
        self.loop.quit()
        return "Quit loop"

    # Pass an exception through dbus
    @dbus.service.method('tld.domain.sub.TestInterface')
    def fail(self):
        raise Exception, 'FAIL!'


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


def quit_handler():
    print "Quitting...."
    loop.quit()

"""
Register to dbus and run the main loop.
Will provide the Test object via dbus.
"""
loop = gobject.MainLoop()
session_bus = dbus.SessionBus()

bus_name = dbus.service.BusName('sub.domain.tld', bus=session_bus)
obj = Test(bus_name, '/tld/domain/sub/test', loop)
session_bus.add_signal_receiver(
    catchall_handler, interface_keyword='dbus_interface', member_keyword='member')
session_bus.add_signal_receiver(
    quit_handler, dbus_interface="tld.domain.sub.event", signal_name="quit_signal")

loop.run()