Minecraft kick server

mckick.py

#!/usr/bin/env python
# mckick.py - Minecraft kick server
#
# usage:
#   $ python mckick.py 'server maintenance!'
#
import sys, struct, socket

def main(argv):
    args = argv[1:]
    if not args:
        print 'usage: %s message' % argv[0]
        return 100
    msg = unicode(args[0])
    reply = struct.pack('>BH', 255, len(msg))+msg.encode('utf-16be')
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server.bind(('', 25565))
    server.listen(5)
    print 'listening...'
    while 1:
        (client, addr) = server.accept()
        print 'accepted:', addr
        client.send(reply)
        client.close()
    return
    
if __name__ == '__main__': sys.exit(main(sys.argv))