#!/usr/bin/python

import os, sys

def cmd(c):
    return os.popen(c).read().rstrip('\n')


c = 'curl http://mxr.mozilla.org/mozilla-central/source/netwerk/dns/effective_tld_names.dat?raw=1 2>/dev/null'
content = cmd(c)
f=open('tld.conf','w')
for x in content.split('\n'):
    if (x == '') or (x[:2] == '//'): f.write('%s\n' % x)
    else:
        if x[:1] == '!':
            x = x[1:]
            prefix = '!'
        else:
            prefix = ''
        yy = []
        for xx in x.split('.'):
            y = unicode(xx, 'utf8')
            z = y.encode('punycode')
            if z[-1:] == '-': yy.append(xx)
            else:             yy.append('xn--%s' % z)
        y = '.'.join(yy)
        if y == x:
            f.write('%s%s\n' % (prefix, x))
        else:
            f.write('// %s%s\n' % (prefix, x))
            f.write('%s%s\n' % (prefix, y))
f.close()