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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.

Release History

This version
History Node

0.1.2

History Node

0.1.1

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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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