#!/usr/bin/env python

import os
import gobject
import dbus
import sys

bus = dbus.SystemBus ()

manager_obj = bus.get_object ('org.freedesktop.ConsoleKit', '/org/freedesktop/ConsoleKit/Manager')
manager = dbus.Interface (manager_obj, 'org.freedesktop.ConsoleKit.Manager')

params = dbus.Array ([], signature = "(sv)")
params.append (("unix-user", dbus.Int32 (os.getuid(), variant_level=1)))
params.append (("session-type", dbus.String ("nx", variant_level=1)))
params.append (("x11-display", dbus.String (os.environ['DISPLAY'], variant_level=1)))
params.append (("is-local", dbus.Boolean (True, variant_level=1)))

cookie = manager.OpenSessionWithParameters (params)
os.environ['XDG_SESSION_COOKIE'] = cookie

current_session = manager.GetSessionForCookie (cookie)
session_obj = bus.get_object ('org.freedesktop.ConsoleKit', current_session)
session = dbus.Interface (session_obj, 'org.freedesktop.ConsoleKit.Session')

properties = dbus.Interface (session_obj, 'org.freedesktop.DBus.Properties')
properties.Set ("org.freedesktop.DBus.Properties", "active", dbus.Boolean (True, variant_level=1))

os.setreuid(os.getuid(), os.getuid())
os.spawnvp(os.P_WAIT, sys.argv[1], [])