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26 lines
572 B
Python
26 lines
572 B
Python
class _EventHook:
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def __init__(self):
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self._handlers = []
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def __iadd__(self, handler):
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self._handlers.append(handler)
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return self
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def __isub__(self, handler):
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try:
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self._handlers.remove(handler)
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except ValueError:
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pass
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return self
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def __call__(self, *args, **kwargs):
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for handler in list(self._handlers):
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handler(*args, **kwargs)
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class Events:
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def __getattr__(self, name):
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hook = _EventHook()
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setattr(self, name, hook)
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return hook
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