I have contributed Python to the standard Cygwin distribution. Cygwin Python is located in the contrib/python directory on the Cygwin mirrors. Cygwin's setup.exe will automatically install Cygwin Python the next time one installs or updates from a mirror.
If interested, see the following for a copy of the announcement:
Thanks, Jason!!! Your efforts are much appreciated. Keep up the good work!
--Guido van Rossum (home page: http://www.python.org/%7Eguido/)