2024-02-13 21:00:45 +00:00
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# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
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2022-09-27 12:38:39 +00:00
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class Event:
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def __init__(self):
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self._callbacks = set()
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def __iadd__(self, callback):
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self.add_callback(callback)
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return self
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def __isub__(self, callback):
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self.remove_callback(callback)
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return self
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def __call__(self, *args, **kwargs):
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for callback in self._callbacks:
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callback(*args, **kwargs)
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def add_callback(self, callback):
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self._callbacks.add(callback)
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def remove_callback(self, callback):
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self._callbacks.discard(callback)
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