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From: Antoine Pitrou <solipsis@pitrou.net>
Subject: Re: Pair of filenos read/write each other?
Date: Thu, 15 Aug 2013 18:24:05 +0000 (UTC)
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Jack Bates <tdhfwh <at> nottheoilrig.com> writes:
> > 
> > An alternative is to use multiprocessing.Pipe():
> > http://docs.python.org/3.3/library/multiprocessing.html#multiprocessing.Pipe
> > 
> > In any case, Python doesn't lack facilities for doing what you want.
> 
> Thank you for your help, I need to satisfy an interface that requires a single
> file descriptor number that can be both read from and written to. Is it
> possible with any of the solutions you pointed out to get a single file
> descriptor number for each end?

Yes, it is what multiprocessing.Pipe() provides:
http://docs.python.org/3.3/library/multiprocessing.html#multiprocessing.Connection.fileno

Regards

Antoine.