20 lines
427 B
Python
20 lines
427 B
Python
# Copyright 2020 (c) Anna Schumaker.
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class Publisher:
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def __init__(self):
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self.subscribers = set()
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def publish(self, *args):
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funcs = self.subscribers.copy()
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for func in funcs:
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func(*args)
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def register(self, func):
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self.subscribers.add(func)
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def reset(self):
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self.subscribers.clear()
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def unregister(self, func):
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self.subscribers.discard(func)
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