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| class BaseMetaClass(type):
___sub_class = {}
def __iter__(self):
for item in BaseMetaClass.___sub_class.itervalues():
yield item
def __repr__(cls):
return cls.__name__
def __new__(mcs, name, bases, attrs):
new_cls = super(BaseMetaClass, mcs).__new__(mcs, name, bases, attrs)
if object not in bases:
BaseMetaClass.___sub_class[new_cls.__name__] = new_cls
print mcs, name, bases, attrs, new_cls
return new_cls
class NotifyManager(object):
__metaclass__ = BaseMetaClass
def __iter__(self):
yield self.__metaclass__
class TestA(NotifyManager):
@classmethod
def notify(cls):
return cls.__name__
class TestB(NotifyManager):
@classmethod
def notify(cls):
return cls.__name__
|
