def __init__(self, obj): # {{{
if not isinstance(obj, tuple):
obj = (obj,)
for o in obj:
if not isclass(o):
raise TypeError("SubType objects can only initialize on class objects")
def checker(o): # {{{
return isclass(o) and issubclass(o, obj)
# End def #}}}
super(SubType, self).__init__(checker)
def __transform__(self, obj): # {{{
if not isclass(obj):
obj = obj.__class__
return obj
def __init__(self, obj): # {{{
if not isclass(obj):
obj = obj.__class__
obj = tuple(o for o in mro(obj) if o is not object)
super(ObjectType, self).__init__(obj)
def checker(o): # {{{
return isclass(o) and issubclass(o, obj)