22 lines
437 B
Python
22 lines
437 B
Python
import queue
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class AnnounceBus:
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def __init__(self):
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self.listeners = []
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def listen(self):
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q = queue.Queue(maxsize=5)
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self.listeners.append(q)
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return q
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def announce(self, msg):
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for i in reversed(range(len(self.listeners))):
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try:
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self.listeners[i].put_nowait(msg)
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except queue.Full:
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del self.listeners[i]
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bus = AnnounceBus()
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