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https://github.com/avatao-content/baseimage-tutorial-framework
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26 lines
722 B
Python
26 lines
722 B
Python
# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
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# All Rights Reserved. See LICENSE file for details.
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from functools import wraps
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from time import time, sleep
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class RateLimiter:
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def __init__(self, rate_per_second):
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self.min_interval = 1 / float(rate_per_second)
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self.last_call = time()
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def __call__(self, fun):
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@wraps(fun)
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def wrapper(*args, **kwargs):
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self._limit_rate()
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fun(*args, **kwargs)
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return wrapper
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def _limit_rate(self):
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since_last_call = time() - self.last_call
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to_next_call = self.min_interval - since_last_call
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self.last_call = time()
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if to_next_call > 0:
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sleep(to_next_call)
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