dr.botzo/modules/MegaHAL.py

"""
MegaHAL - MegaHAL bot for IRC
Copyright (C) 2010  Brian S. Stephan

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

from ConfigParser import NoOptionError
import os
import re

from extlib import irclib
from extlib import megahal

from Module import Module

class MegaHAL(Module):
    """Have an annoying, dumb, and hilarious chatterbot on IRC."""

    def __init__(self, config, server, modlist):
        """
        Upon creation, open the MegaHAL brain and get ready for doing actual stuff.
        """

        Module.__init__(self, config, server, modlist)

        try:
            filename = self.config.get(self.__class__.__name__, 'brainfile')
            self.megahal = megahal.MegaHAL(None, filename)
        except NoOptionError:
            self.megahal = megahal.MegaHAL()

    def reload(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
        """Broken. Don't do anything."""

    def do(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
        """
        Say something on IRC if the bot is being addressed, or at least learn what
        was said.
        """

        line = what
        reply = ""
        append_nick = False

        if line[-1] == '\'':
            line = line[:-1]

        if re.search(connection.get_nickname(), line, re.IGNORECASE) is not None:
            addressed_pattern = '^' + connection.get_nickname() + '[:,]\s+'
            addressed_re = re.compile(addressed_pattern)
            if addressed_re.match(line):
                line = addressed_re.sub('', line)
                append_nick = True

            reply = self.megahal.get_reply(line)
        elif re.search('^megahal$', line, re.IGNORECASE) is not None:
            reply = self.megahal.get_reply_nolearn('')
        else:
            self.megahal.learn(line)

        self.megahal.sync()
        if reply is not "":
            if append_nick:
                reply = nick + ": " + reply
            return self.reply(connection, replypath, reply)

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