Pypsyc is a PSYC server and client written in python.
Trac: http://pypsyc.psyc.eu/trac
Mercurial: http://pypsyc.psyc.eu/hg/pypsyc-main
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Other versions
The PSYC implementations in python, 4 different approaches, are all contained in the older pypsyc package. There are also prototypical console and GUI clients.
Obtain the GIT from
git clone git://git.psyced.org/git/pypsyc
or download a snapshot from http://www.psyced.org/files/
Navigate: pypsyc