REGISTRY_IID = "OAFIID:Accessibility_Registry:1.0"
TYPELIB_NAME = "Accessibility"

# import ORBit and bonobo first (required)
import ORBit, bonobo
# initialize the ORB
orb = ORBit.CORBA.ORB_init()
# get a reference to the gnome Accessibility registry
data = bonobo.activation.activate_from_id(REGISTRY_IID)
if data is None:
  raise RuntimeError('Could not activate:', REGISTRY_IID)
else:
  try:
    Registry = data[0]
  except IndexError:
    raise ValueError('Activation received unexpected object: '+str(data))
# generate Python code for the Accessibility module from the compiled IDL
ORBit.load_typelib(TYPELIB_NAME)

# import the generated Accessibility module
import Accessibility

# print all the application names
desktop = Registry.getDesktop(0)
for i in xrange(desktop.childCount):
  c = desktop.getChildAtIndex(i)
  if c is not None:
    print c.name, 
    if c.getRole() == Accessibility.ROLE_APPLICATION:
      # and do some role checking just to show that the constants are available
      # in the Accessibility module
      print 'is an application'