#!/usr/bin/python3

import sys
import dbus

bus = dbus.SystemBus()

manager = dbus.Interface(bus.get_object('org.ofono', '/'),
						'org.ofono.Manager')

modems = manager.GetModems()

if (len(sys.argv) == 2):
	path = sys.argv[1]
else:
	path = modems[0][0]

ussd = dbus.Interface(bus.get_object('org.ofono', path),
					'org.ofono.SupplementaryServices')

properties = ussd.GetProperties()
state = properties["State"]

print("State: %s" % (state))

if state != "idle":
	ussd.Cancel()