Paper Details

%T PyCSP Revisited
%A Brian Vinter, John Markus Bjørndalen, Rune Møllegard Friborg
%E Peter H. Welch, Herman Roebbers, Jan F. Broenink, Frederick R. M. Barnes, Carl G. Ritson, Adam T. Sampson, G. S. Stiles, Brian Vinter
%B Communicating Process Architectures 2009
%X PyCSP was introduced two years ago and has since been used
   by a number of programmers, especially students. The
   original motivation behind PyCSP was a conviction that both
   Python and CSP are tools that are especially well suited for
   programmers and scientists in other fields than computer
   science. Working under this premise the original PyCSP was
   very similar to JCSP and the motivation was simply to
   provide CSP to the Python community in the JCSP tradition.
   After two years we have concluded that PyCSP is indeed a
   usable tool for the target users; however many of them have
   raised some of the same issues with PyCSP as with JCSP. The
   many channel types, lack of output guards and
   external choice wrapped in the select\-then\-execute
   mechanism were frequent complaints. In this work we revisit
   PyCSP and address the issues that have been raised. The
   result is a much simpler PyCSP with only one channel type,
   support for output guards, and external choice that
   is closer to that of occam than JCSP.

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