A stupid IRC bot made in Python that just echoes back what is said. To be developed for actual applications later. Also hangs waiting for server responses, so... yeah. Not very smart.

chatbot.py

#! /usr/bin/env python
# Justin Woo <moomoowoo@gmail.com>

# Usage:
# usage: chatbot.py [server] [nick] [channel]

# optional:
#   -h, --help  	help
# required:
#   [server]			server to connect to
#   [nickname]		nickname to use
#   [channel]			channel to join

import argparse, sys, os
import socket

def main(args):
	server = args.server
	nickname = args.nickname
	channel = args.channel
	ident = nickname
	port = 6667

	s = socket.socket()
	s.connect((server,port))
	s.send('NICK ' + nickname + '\n')
	s.send('USER ' + ident + ' ' + server + ' bla :' + 'james' + '\n')
	
	while 1:
		line = s.recv(500)

		if line != '':
			print line.rstrip()
		
		if line.find('elcome') != -1:
			outmsg = 'JOIN ' + channel + '\n'
			print 'Me: ' + outmsg
			s.send(outmsg)
		
		if line.find('PING') != -1:
			line = line.rstrip()
			line = line.split(' ')
			outmsg = 'PONG ' + line[1] + '\n'
			print 'Me: ' + outmsg
			s.send(outmsg)
		elif line.find('PRIVMSG') != -1:
			outmsg = parsemsg(line)
			if outmsg != '':
				s.send(outmsg)

def parsemsg(line):
	#:nick!username@host PRIVMSG channel/nick :Message 
	line = line.rstrip()
	line = line.split(' ')
	print line
	sender = line[0].split('!')[1:]
	msg = line[3:]
	channel = line[2]

	outmsg = 'PRIVMSG ' + channel + ' :You said: ' + ' '.join(msg) + '\n'
	return outmsg

if __name__ == "__main__":
	parser = argparse.ArgumentParser()
	parser.add_argument('server', help = 'server to connect to')
	parser.add_argument('nickname', help = 'nickname to set')
	parser.add_argument('channel', help = 'channel to join')
	args = parser.parse_args()
	main(args)