-bash-3.2# time python ds_test.py
Traceback (most recent call last):
  File "ds_test.py", line 7, in <module>
    _bus = dbus.SessionBus()
  File "/usr/lib/python2.5/site-packages/dbus/_dbus.py", line 218, in __new__
    mainloop=mainloop)
  File "/usr/lib/python2.5/site-packages/dbus/_dbus.py", line 107, in __new__
    bus = BusConnection.__new__(subclass, bus_type, mainloop=mainloop)
  File "/usr/lib/python2.5/site-packages/dbus/bus.py", line 121, in __new__
    bus = cls._new_for_bus(address_or_type, mainloop=mainloop)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ExecFailed: dbus-launch failed to autolaunch D-Bus session: Autolaunch error: X11 initialization failed.


real    0m0.326s
user    0m0.270s
sys     0m0.050s