Basic irc bot

import socket
import sys
import time
from sys import exit

server = "irc.esper.net"
port = 6667
channel = "#cajs"
botnick = "Hobbybot"

def main():
    irc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    print "Connecting to: "+server
    irc.connect((server, port))
    irc.send("NICK "+ botnick +"\r\n")
    irc.send("USER "+ botnick +" 8 *" +" :This is a bot\r\n")
    buf = ""

    while 1:
        recvd = irc.recv(4096)
        text = recvd.split('\n')
        text[0] = buf + text[0]
        last = len(text)
        last -= 1
        if not text[last].count('\r'):
            buf = text.pop()
        for line in text:
            print line
            msg = line.split(':')
            if msg[0].count('PING'):
                irc.send('PONG :' + msg[1] + '\r\n')
            elif len(msg) > 2 and msg[2].count("End of /MOTD command."):
                irc.send("JOIN "+ channel +"\r\n")

        if recvd.find(':.test') != -1:
            irc.send("PRIVMSG "+ channel + " :It works! (just)\r\n")

        if recvd.find(':.info') != -1:
            irc.send("PRIVMSG "+ channel + " :This bot is really buggy, and I have no idea what I am doing\r\n")

        if recvd.find(':.version') != -1:
            irc.send("PRIVMSG "+ channel + " :Very alpha. I need to rewrite parts of it\r\n")

        if recvd.find(':.quit') != -1:
            irc.send("PRIVMSG "+ channel + " :Goodbye!\r\n")
            irc.send("QUIT :Leaving")
            exit()

if __name__ == "__main__":
    main()