import socket
import sys

network = 'irc.easynews.com'
port = 6667
message = sys.argv[1]
mynick = 'MyIRCNick'
destnick = 'WhoDoIWantToMessage'

NICK = 'NICK %s\r\n' % mynick
USER = 'USER %s %s %s :%s\r\n' % (mynick, mynick, mynick, mynick)
PRIVMSG = 'PRIVMSG %s :%s\r\n' % (destnick, message)

irc = socket.socket ( socket.AF_INET, socket.SOCK_STREAM )
irc.connect ( ( network, port ) )
trash = irc.recv ( 4096 )
irc.send ( NICK )
irc.send ( USER )
trash = irc.recv ( 4096 )
irc.send ( PRIVMSG )
irc.send ( 'QUIT\r\n' )
irc.close()