Try to fix: DeprecationWarning: invalid escape sequence \d DeprecationWarning: invalid escape sequence \s DeprecationWarning: invalid escape sequence \) Strings under python 3 are unicode strings rather then "regular" strings as under python 2. So all regexps need to be raw strings. We will see how many I fixed and if I broke any.

#!/usr/bin/env python
from __future__ import print_function
import zlib, base64, sys
print(base64.encodestring(zlib.compress(sys.stdin.read())))