sb = dbus.Interface(bus.get_object("org.freedesktop.Avahi", server.ServiceBrowserNew(0, 0, "_http._tcp", "")), 'org.freedesktop.Avahi.ServiceBrowser')
sb.connect_to_signal('ItemNew', lambda interface, protocol, name, type, domain: service_browser_callback("NEW", interface, protocol, name, type, domain))
sb.connect_to_signal('ItemRemove', lambda interface, protocol, name, type, domain: service_browser_callback("REMOVE", interface, protocol, name, type, domain))
sb = dbus.Interface(bus.get_object("org.freedesktop.Avahi", server.ServiceBrowserNew(0, 0, "_http._tcp", "")), 'org.freedesktop.Avahi.ServiceBrowser')
sb.connect_to_signal('ItemNew', lambda interface, protocol, name, type, domain: service_browser_callback("NEW", interface, protocol, name, type, domain))
sb.connect_to_signal('ItemRemove', lambda interface, protocol, name, type, domain: service_browser_callback("REMOVE", interface, protocol, name, type, domain))