Personal stuff:
* after/ftplugin/python/*
just setting some vars and whatnot. ipy.vim is from back in the day when i
was all about ipython<->vim communication.
External file sources:
* syntax/python.vim (vimscript #790) by Dmitri Vasiliev
http://www.vim.org/scripts/script.php?script_id=790
current version: 2.6.6
* ftplugin/python.vim (vimscript #30) by Jon Franklin
http://www.vim.org/scripts/script.php?script_id=30
current version: 1.13