tmpfile=$(mktemp)
printf "#!/usr/bin/env python\nfrom ConfigParser import ConfigParser\nparser = ConfigParser()\nparser.read('{config_file}')\n{config_set}\nwith open('{config_file}', 'wb') as configfile:\n    parser.write(configfile)" > $tmpfile
chmod +x $tmpfile
$tmpfile
#rm -rf $tmpfile