from fetch import fetch import os if __name__ == '__main__': for version in ['2.6.5', '2.7.6', '3.2.5', '3.3.5', '3.4.3']: for platform in ['', '.amd64']: for extension in ['', '.asc']: fetch('https://www.python.org/ftp/python/%s/python-%s%s.msi%s' % (version, version, platform, extension)) # find pip, if it's not in the path! os.system('pip install virtualenv')