http://www.python.org/ftp/python/3.1.2/Python-3.1.2.tgz
http://www.python.org/ftp/python/3.1.2/Python-3.1.2.tar.bz2
http://www.python.org/ftp/python/3.1.2/python-3.1.2.msi
http://www.python.org/ftp/python/3.1.2/python-3.1.2.amd64.msi
http://python.org/ftp/python/3.1.2/python-3.1.2-macosx10.3-2010-03-24.dmg