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# bot.py
import cfg
import socket
import time
import re


def chat(sock, msg):
    sock.send("PRIVMSG #{} :{}".format(cfg.CHAN, msg))


def ban(sock, user):
    chat(sock, ".ban {}".format(user))


def timeout(sock, user, secs=60):
    chat(sock, ".timeout {}".format(user, secs))


CHAT_MSG = re.compile(r"^:\w+!\w+@\w+\.tmi\.twitch\.tv PRIVMSG #\w+ :")


# network functions go here
s = socket.socket()
s.connect((cfg.HOST, cfg.PORT))
s.send("PASS {}\r\n".format(cfg.PASS).encode("utf-8"))
s.send("NICK {}\r\n".format(cfg.NICK).encode("utf-8"))
s.send("JOIN {}\r\n".format(cfg.CHAN).encode("utf-8"))


while True:
    response = s.recv(1024).decode("utf-8")
    if response == "PING :tmi.twitch.tv\r\n":
        s.send("PONG :tmi.twitch.tv\r\n".encode("utf-8"))
        print("Pong")
    else:
        username = re.search(r"\w+", line).group(0)  # return the entire match
        message = CHAT_MSG.sub("", line)
        print(username + ": " + message)
        for pattern in cfg.PATT:
            if re.match(pattern, message):
                ban(s, username)
                break
        time.sleep(1 / cfg.RATE)

//////////////

#cfg.py

HOST = "irc.twitch.tv"                          # Twitch irc host
PORT = 6667                                     # IRC port
CHAN = "#*************"                         # CHAN = the channel to connect to
NICK = "**********"                             # NICK = Twitch username
PASS = "************************************"   # authkey for the NICK
RATE = (100/30)  # 100 per 30 seconds = Mod   ||||   20 per 30 seconds = User
PATT = [
    r"swear",
    # ...
    r"some_pattern"
]