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# Token bucket

A simple rate limiting algorithm. See [Wikipedia]( for a more lengthy discussion of how it works and where it is applicable. In essence, it is a constant rate limiting with temporal pooling. This allows for bursts of activity.

## Memcached sharing

Enables sharing across different processes and servers, useful for rate limiting a shared resource (like a Web API.)

from tokenbucket import TokenBucket

tb = TokenBucket(rate=1.0, maximum=5) tb.use_memcached_key(‘my_shared_token_bucket’) # or tb.use_memcached_key(‘my_shared_token_bucket’, client=mc)

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