Mercurial > repo
diff bin/rot13 @ 11111:ea74d235ff72
<oerjan> ` mv bin/rot13{_stdin,}
author | HackBot |
---|---|
date | Sat, 22 Jul 2017 00:40:56 +0000 |
parents | 0aef5f39601f |
children | 6412d84cf279 |
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--- a/bin/rot13 Fri Jul 21 12:48:55 2017 +0000 +++ b/bin/rot13 Sat Jul 22 00:40:56 2017 +0000 @@ -1,1 +1,29 @@ -print_args_or_input "$@" | rot13_stdin +#!/usr/bin/env python + +import re, sys, unicodedata as U +def tr(c): + m = re.match(r'(.*\bLATIN\b.*\bLETTER )([A-Z])\b(.*)', U.name(c, '')) + if m: + p, q, r = m.groups() + n = ord(q) - ord('A') + try: + return U.lookup(p + chr(ord('A') + (n + 13) % 26) + r) + except KeyError: + return c + return c + +def tr2(c): + d = tr(c) + if d != c: + return d + else: + cs = [unichr(int(x, 16)) for x in U.decomposition(c).split()] + ds = [tr(x) for x in cs] + if cs != ds: + return u''.join(ds) + else: + return c + +for c in unicode(sys.stdin.read(), 'utf8'): + sys.stdout.write(tr2(c).encode('utf8')) +