Dominic Masters
e5e8c49f6c
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19 lines
544 B
Python
19 lines
544 B
Python
class Event:
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def __init__(self):
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self._subscribers = []
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def sub(self, callback):
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"""Subscribe a callback to the event."""
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if callback not in self._subscribers:
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self._subscribers.append(callback)
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def unsub(self, callback):
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"""Unsubscribe a callback from the event."""
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if callback in self._subscribers:
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self._subscribers.remove(callback)
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def invoke(self, *args, **kwargs):
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"""Invoke all subscribers with the given arguments."""
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for callback in self._subscribers:
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callback(*args, **kwargs)
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