Simple python rate limiting object
Simple Python module providing rate limiting.
This package provides the ratelimiter module, which ensures that an operation will not be executed more than a given number of times on a given period. This can prove useful when working with third parties APIs which require for example a maximum of 10 requests per second.
>>> from ratelimiter import RateLimiter >>> @RateLimiter(max_calls=10, period=1.0) ... def do_something(): ... pass ...
Context manager flavor:
>>> from ratelimiter import RateLimiter >>> rate_limiter = RateLimiter(max_calls=10, period=1.0) >>> for i in range(100): ... with rate_limiter: ... do_something() ...
Using with callback:
>>> from ratelimiter import RateLimiter >>> import time >>> def limited(until): ... duration = int(round(until - time.time())) ... print('Rate limited, sleeping for %d seconds' % duration) ... >>> rate_limiter = RateLimiter(max_calls=2, period=3, callback=limited) >>> for i in range(3): ... with rate_limiter: ... print('Iteration', i) ... Iteration 0 Iteration 1 Rate limited, sleeping for 3 seconds Iteration 2
Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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