Minecraft server info check

gistfile1.py

#!/usr/bin/python

import socket
import argparse
import sys

ap = argparse.ArgumentParser()
ap.add_argument("host")
ap.add_argument("port",nargs="?",type=int,default=25565)
args = ap.parse_args()

print "Connecting to %s:%d..." % (args.host,args.port)

sock = None
try:
	sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
	sock.connect((args.host,args.port))
	sock.sendall(chr(254)+chr(1))
	data = sock.recv(2048)
except socket.error as e:
	sys.exit("Could not connect to server: %s" % e)
finally:
	if sock: sock.close()

if ord(data[0]) != 255: 
	sys.exit("Bad response code: %d" % ord(data[0]))
		
ucs2 = u""
for i in range(3,len(data)-1,2):
	ucs2 += unichr((ord(data[i])<<8) + ord(data[i+1]))
	
first,protocol,version,motd,players,maxplayers = ucs2.split(unichr(0))
players,maxplayers = int(players),int(maxplayers)

playerstext = "\x1b[%sm%d / %d\x1b[0m" % (
	"32;1" if players>0 else "31", players,maxplayers)

print """\
protocol: %s
version:  %s
motd:     %s
players:  %s""" % (protocol,version,motd,playerstext)