basic_bot.py

import asyncore, asynchat, logging, socket

log = logging.getLogger(__name__)

class Bot(asynchat.async_chat):
    def __init__(self, nick, ident, realname):
        asynchat.async_chat.__init__(self)

        self.nick     = nick
        self.ident    = ident
        self.realname = realname

        self.buffer = []
        self.set_terminator("\r\n")

    def send_command(self, command, *args):
        data = command.upper() + ' ' + ' '.join(args)
        log.debug('sending "%s"', data)
        self.push(data + "\r\n")

    def collect_incoming_data(self, data):
        self.buffer.append(data)

    def found_terminator(self):
        data = ''.join(self.buffer)
        self.buffer = []

        log.debug('got "%s"', data)

    def handle_connect(self):
        self.send_command('NICK', self.nick)
        self.send_command('USER', self.ident, 'iw 0', ':' + self.realname)

    def connect(self, host, port):
        self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
        asynchat.async_chat.connect(self, (host, port))