def incorporate_methods(source, destination, methods, default=None, wrapper=None, override=False):
 for method in methods:
  if (hasattr(destination, method) and (not override)):
   raise AttributeError(('Cannot add method {!r}'.format(method) + "to destination object as it already exists. To prevent this error set 'override=True'."))
  if hasattr(source, method):
   if (wrapper is None):
    setattr(destination, method, getattr(source, method))
   else:
    setattr(destination, method, wrapper(source, method))
  else:
   setattr(destination, method, None)

def incorporate_methods ( source , destination , methods , default = None , wrapper = None , override = False ) : for method in methods : if ( hasattr ( destination , method ) and ( not override ) ) : raise AttributeError ( ( 'Cannot add method {!r}' . format ( method ) + "to destination object as it already exists. To prevent this error set 'override=True'." ) ) if hasattr ( source , method ) : if ( wrapper is None ) : setattr ( destination , method , getattr ( source , method ) ) else : setattr ( destination , method , wrapper ( source , method ) ) else : setattr ( destination , method , None )
add attributes to a destination object which points to methods from from a source object .