#!/usr/bin/env python
"""Given a url on the command line, transforms it to go through UCT's
ezproxy. Useful for accessing online journals. Probably buggy."""

import re
import sys

urlpattern = re.compile("""(?P<proto>[a-z]+://)?
                           (?P<host>[^:/]+)
                           (?::(?P<port>\d+))?
                           (?P<path>.*)""", re.VERBOSE)

match = urlpattern.match(sys.argv[1])
print """http://%(port)s-%(host)s.ezproxy.uct.ac.za:2048%(path)s""" % \
         {'port': match.group('port') or 80,
          'host': match.group('host'), 'path': match.group('path')}