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https://github.com/avatao-content/baseimage-tutorial-framework
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Refactor AsyncRateLimiter for ease of use (IOLoop passing)
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@ -4,6 +4,8 @@
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from functools import wraps, partial
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from time import time, sleep
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from tfw.decorators.lazy_property import lazy_property
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class RateLimiter:
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def __init__(self, rate_per_second, action=sleep):
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@ -34,19 +36,25 @@ class RateLimiter:
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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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def __init__(self, rate_per_second, ioloop_factory):
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self._ioloop_factory = ioloop_factory
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self._ioloop = None
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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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@lazy_property
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def ioloop(self):
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return self._ioloop_factory()
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self.last_callback = self.ioloop.call_later(
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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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