react.py

    def learn(self, user, msg):
        global factoids, substitutions
        msg = msg.strip()
        if msg[0] == '[' and ']' in msg[6:]:
            epos = msg.find(']')
            token = msg[1:epos]
            body = msg[epos + 1:]
            if not factoids.has_key(token):
                factoids[token] = []
            factoids[token].append(body.strip())
            save_database()
        if msg[0] == '<' and '>' in msg[3:]:
            epos = msg.find('>')
            token = msg[1:epos]
            body = msg[epos + 1:]
            if not substitutions.has_key(token):
                substitutions[token] = []
            substitutions[token].append(body.strip())
            save_database()

    def react(self, user, channel, msg):
        global factoids, substitutions
        msg = msg.lower()
        facts = []
        for x in factoids:
            l = x.lower()
            if ' %s ' % (l,) in msg or msg[:len(l)] == l or msg[-len(l):] == l or msg[-len(l) - 1:-1] == l:
                fact = substitute(choice(factoids[x]))
                facts.append((x, fact))
        if len(facts) > 0:
            fact = choice(facts)
            self.send_msg(channel, '%s %s' % fact)