srcds check if server empty

check-srcds.py

import valve.rcon
import re
import signal
import time

ip = "10.0.0.1"
port = 27015
password = "rconpassword"
timeout = 20 # seconds

class Timeout():
  class Timeout(Exception): pass

  def __init__(self, sec):
    self.sec = sec

  def __enter__(self):
    signal.signal(signal.SIGALRM, self.raise_timeout)
    signal.alarm(self.sec)

  def __exit__(self, *args):
    signal.alarm(0)

  def raise_timeout(self, *args):
    raise Timeout.Timeout()

def isEmpty(address, password):
    with valve.rcon.RCON(address, password) as rcon:
        response = rcon.execute("status")
        response_text = response.body.decode('ascii', 'ignore')
        for line in response_text.splitlines():
            if "players :" in line:
                for words in ['0 humans']:
                    if re.search(r'\b' + words + r'\b', line):
                        return True
                    else:
                        return False
            else:
                pass


if __name__ == "__main__":
    try:
        with Timeout(timeout):
            if isEmpty((ip, port), password):
                print("server is empty")
                # do stuff here
                #
            else:
                print("server is NOT empty")
    except Timeout.Timeout:
        print("Error: Timeout after {} seconds".format(timeout))