Echo, a simple IRC bot written in Python 3

ircecho.py

#!/usr/bin/env python3

# ircecho.py
# Copyright (C) 2011 : Robert L Szkutak II - http://robertszkutak.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import sys
import socket
import string

HOST = "CHANGETHIS"
PORT = 6667

NICK = "CHANGETHIS"
IDENT = "CHANGETHIS"
REALNAME = "CHANGETHIS"
MASTER = "CHANGETHIS"

readbuffer = ""

s=socket.socket( )
s.connect((HOST, PORT))

s.send(bytes("NICK %s\r\n" % NICK, "UTF-8"))
s.send(bytes("USER %s %s bla :%s\r\n" % (IDENT, HOST, REALNAME), "UTF-8"))
s.send(bytes("JOIN #CHANGETHIS\r\n", "UTF-8"));
s.send(bytes("PRIVMSG %s :Hello Master\r\n" % MASTER, "UTF-8"))

while 1:
    readbuffer = readbuffer+s.recv(1024).decode("UTF-8")
    temp = str.split(readbuffer, "\n")
    readbuffer=temp.pop( )

    for line in temp:
        line = str.rstrip(line)
        line = str.split(line)

        if(line[0] == "PING"):
            s.send(bytes("PONG %s\r\n" % line[1], "UTF-8"))
        if(line[1] == "PRIVMSG"):
            sender = ""
            for char in line[0]:
                if(char == "!"):
                    break
                if(char != ":"):
                    sender += char 
            size = len(line)
            i = 3
            message = ""
            while(i < size): 
                message += line[i] + " "
                i = i + 1
            message.lstrip(":")
            s.send(bytes("PRIVMSG %s %s \r\n" % (sender, message), "UTF-8"))
        for index, i in enumerate(line):
            print(line[index])

Suggestion, Do not put a copyright claimer on some code you copy pasted. Bad idea.

How to make it with Tor network?

COPYPASTA! WATCH OUT, BAD SOCKET BAD SOCKET.
Seriously though, Python is horrible for the purpose of irc bots. I am a fan of python, but I WONT DO THAT.

Why do you think that? I've written multiple fully featured IRC bots without any issues.
I'm curious about your point of view on Python being horrible for IRC bots.

nice script