brainix / pottery

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Implement and test redlock() decorator

This decorator forces the flow of control through a Redlock, allowing
only one thread to execute the decorated function at a time.

I’d previously implemented this `redlock()` decorator in my
application here: https://github.com/brainix/spool/blob/8f659f0f9/spool/stooges.py#L39-L59

But I think that it’s generic and battle tested enough at this
point to warrant inclusion in this library.

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