def unloadhook(h):
 def processor(handler):
  try:
   result = handler()
   is_gen = is_iter(result)
  except:
   h()
   raise
  if is_gen:
   return wrap(result)
  else:
   h()
   return result
 def wrap(result):
  def next_hook():
   try:
    return next(result)
   except:
    h()
    raise
  result = iter(result)
  while True:
   (yield next_hook())
 return processor

def unloadhook ( h ) : def processor ( handler ) : try : result = handler ( ) is_gen = is_iter ( result ) except : h ( ) raise if is_gen : return wrap ( result ) else : h ( ) return result def wrap ( result ) : def next_hook ( ) : try : return next ( result ) except : h ( ) raise result = iter ( result ) while True : ( yield next_hook ( ) ) return processor
converts an unload hook into an application processor .