public_suffix_list.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import sys

import idna

def main():
    for line in sys.stdin:
        line = line.rstrip()
        if not line:
            continue
        if line.startswith(('!', '//')):
            continue
        if line.startswith('*.'):
            line = line[len('*.'):]
        print idna.encode(line.decode('utf-8'))

if __name__ == '__main__':
    main()

sort.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import sys

def _key(line):
    split = line.split('.')
    split.reverse()
    return split

def main():
    sys.stdout.writelines(sorted(set(sys.stdin), key=_key))

if __name__ == '__main__':
    main()