Mine

#!/sw/bin/python

import string, sys
import socket

MSGLEN = 4096
HOSTNAME = 'localhost'
NAME = 'furz2'
REALNAME = 'furz2'
IDENT = 'furz2'
CHANNEL = '#drugball'
class mysocket:
  def __init__(self, sock=None):
    if sock is None:
        self.sock = socket.socket(
            socket.AF_INET, socket.SOCK_STREAM)
    else:
        self.sock = sock
  def connect(self, host, port):
    self.sock.connect((host, port))
  def mysend(self, msg):
    self.sock.send(msg)
  def myreceive(self):
    msg  = self.sock.recv(MSGLEN)
    return msg

c = mysocket()
c.connect("irc2.pilgerer.org", 6667)

first = 0
while 1:
  if first == 0:
    c.mysend('NICK %(N)s\r\n'% {'N': NAME})
    c.mysend('USER %(N)s %(H)s %(R)s %(I)s\r\n'% {'N': NAME, 'H': HOSTNAME, 'R': REALNAME, 'I': IDENT})
    c.mysend('JOIN %(C)s\r\n'% {'C': CHANNEL})
    first = 1
  msg = c.myreceive()
  block = msg.split(" ");
  if block[0] == 'PING':
    c.mysend('%(CMD)s %(HOST)s\r\n'% {'CMD': "PONG", 'HOST': HOSTNAME})
    print "PONG sent"
  print msg