| class MulticastDelegate(object): | |
| def __init__(self): | |
| self.delegates = [] | |
| def __iadd__(self, delegate): | |
| self.add(delegate) | |
| return self | |
| def add(self, delegate): | |
| self.delegates.append(delegate) | |
| def __isub__(self, delegate): | |
| self.delegates.remove(delegate) | |
| return self | |
| def __call__(self, *args, **kwargs): | |
| for d in self.delegates: | |
| d(*args, **kwargs) | |