1#!/usr/bin/env python 2import sys 3import urllib.request, urllib.error, urllib.parse 4import codecs 5 6def main(): 7 encodings = [] 8 f = urllib.request.urlopen(sys.argv[1]) 9 for line in f: 10 if line.startswith("Name: ") or line.startswith("Alias: "): 11 enc = line.split()[1] 12 try: 13 codecs.lookup(enc) 14 if enc.lower not in encodings: 15 encodings.append(enc.lower()) 16 except LookupError: 17 pass 18 sys.stdout.write("encodings = frozenset((\n") 19 for enc in encodings: 20 sys.stdout.write(' "%s",\n'%enc) 21 sys.stdout.write(' ))') 22 23if __name__ == "__main__": 24 main()