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A Twisted class for parallel execution of functions performing the same task, returning the result from the one that finishes first.

Project description

txdpce provides a Twisted Python class, DeferredParallelCommandExecutor. It allows you to register competing functions that compute a result. The execute method of the class calls them all one after another and returns a Deferred that will fire with the first success. The deferreds corresponding to the incomplete function calls are cancelled. If all functions fail, the deferred errs with a list of the failures.

The point is that you might have a couple of ways of getting a result (out of a cache, off the network) and you want to try them all, taking the answer from the first one that figures it out.

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Filename, size & hash SHA256 hash help File type Python version Upload date
txdpce-0.1.2.tar.gz (3.8 kB) Copy SHA256 hash SHA256 Source None Jul 12, 2011

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