really fuck up someone's plex usage with squid

spaghetti.py

#!/usr/bin/env python
import sys

BAD_PEOPLE = [
    '192.168.1.118',
    '192.168.1.119'
]

while True:
    # squid writes stuff to us via stdin like this:
    # http://pettazz.com/transcode/sessions/123456789 91.44.124.101/- - GET myip=192.168.1.117 myport=32400
    line = sys.stdin.readline().strip()
    new_url = '\n'
    list = line.split(' ')
    if len(list) > 1:
        with open('/etc/squid3/spaghetti.log', 'a') as logfile:
            logfile.write('LINE: ------------------------\n')
            logfile.write(line + '\n\n')
            old_url = list[0]
            ip = list[1].split("/")[0]
            if ip in BAD_PEOPLE:
                logfile.write('IP MATCH\n')
                if "/video" in old_url and "metadata%2F" in old_url:
                    old_parts = old_url .split("metadata%2F", 1)
                    new_url = old_parts[0] + "metadata%2F42554&" + old_parts[1].split('&', 1)[1] + new_url;
                    logfile.write('REWRITE:--------------------------------\n')
                    logfile.write(old_url + '\n')
                    logfile.write(new_url)
                    logfile.write('----------------------------------------\n\n')
            else:
                logfile.write('IP MISS:' + ip + '\n')

    sys.stdout.write(new_url)
    sys.stdout.flush()