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https://github.com/avatao-content/baseimage-tutorial-framework
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Implement IOLoop based AsyncRateLimiter
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@ -31,3 +31,22 @@ class RateLimiter:
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if seconds_to_next_call > 0:
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return seconds_to_next_call
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return 0
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class AsyncRateLimiter(RateLimiter):
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def __init__(self, rate_per_second, ioloop):
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self.ioloop = ioloop
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self.last_callback = None
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super().__init__(
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rate_per_second=rate_per_second,
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action=self.async_action
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)
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def async_action(self, seconds_to_next_call):
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if self.last_callback:
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self.ioloop.remove_timeout(self.last_callback)
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self.last_callback = self.ioloop.call_later(
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seconds_to_next_call,
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self.fun
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)
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