上代码.
class Event(list): def __call__(self, *args, **kwargs): for f in self: f(*args, **kwargs) def f(arg): print 'execute with arg',arg e = Event() e.append(f) e('kzc')#触发事件 e.remove(f)
原文地址:http://blog.csdn.net/handsomekang/article/details/40040441