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A preview for an asynchronous local executor.
It uses the module
concurrent.futures
which is back-ported to python2.It introduces an
AdaptorFuture
that covers the semantic gap betweensimpleflow
's Future andconcurrent.futures
's Future object. The real job is forwarded toconcurrent.futures
'sThreadPoolExecutor
.ProcessPoolExecutor
seems a better choice but there's a serialization problem (see inline comment).