source: trunk/amazonbot/amazonbot.py @ 8

#!/usr/bin/env python
# -*- coding: utf-8 -*-

__version__ = '$Revision$'
__author__ = 'Atzm WATANABE <sitosito@p.chan.ne.jp>'
__date__ = '$Date$'
__copyright__ = 'Copyright(C) 2006 Atzm WATANABE, all rights reserved.'
__license__ = 'Python'

import re
import random
import MeCab

from ircbot import SingleServerIRCBot
from irclib import nm_to_n

import config
config.init()

import my_amazon
my_amazon.setLocale(config.get('amazon', 'locale'))
my_amazon.setLicense(config.get('amazon', 'access_key'))

try:
        set, frozenset
except NameError:
        from sets import Set as set, ImmutableSet as frozenset

def uniq(sequence):
        return list(set(sequence))

def mecab_parse(text):
        def choice_nominal(wlist):
                res = []
                for word, wtype in wlist:
                        wtypes = wtype.split('-')
                        if '固有名詞' in wtypes or ('名詞' in wtypes and '䞀般' in wtypes):
                                res.append(word)
                return res

        result = []
        tag = MeCab.Tagger('-Ochasen')
        for line in tag.parse(text).split('\n'):
                if not line or line == 'EOS':
                        break
                words = line.split()
                result.append((words[0], words[-1])) # word, word-type

        result = uniq(choice_nominal(result))
        return result

class AmazonBotBase(SingleServerIRCBot):
        def __init__(self):
                _server = [(config.get('irc', 'server'), config.get('irc', 'port', 'int'))]
                _nick = config.get('bot', 'nick')

                self._silent = False
                SingleServerIRCBot.__init__(self, _server, _nick, _nick)

        def get_version(self):
                return 'AmazonBot by %s, based on python-irclib' % __author__

        def on_welcome(self, c, e):
                c.join(config.get('irc', 'channel'))
                if __debug__:
                        print '* Joined %s' % config.get('irc', 'channel')

        def on_nicknameinuse(self, c, e):
                c.nick(c.get_nickname() + '_')

        def on_privmsg(self, c, e):
                return self.on_pubmsg(c, e)

        def on_pubmsg(self, c, e):
                msg = unicode(e.arguments()[0], 'iso-2022-jp')

                self.silence(msg)
                if self._silent:
                        return False

                nominals = mecab_parse(msg.encode('utf-8'))
                if not nominals:
                        return False

                title, url = self.process_keyword(' '.join(nominals))
                if title and url:
                        nick = nm_to_n(e.source())
                        channel = e.target()

                        content = unicode(config.get('bot', 'content'), 'utf-8')
                        title = title

                        message = ('%(content)s: %(title)s <%(url)s>' % locals()).encode('iso-2022-jp')
                        c.privmsg(channel, message)

                        return True

                return False

        ACTIVE_PATTERN = re.compile(config.get('bot', 'active_pattern'))
        SILENT_PATTERN = re.compile(config.get('bot', 'silent_pattern'))
        def silence(self, msg):
                if self.ACTIVE_PATTERN.search(msg):
                        self._silent = False
                elif self.SILENT_PATTERN.search(msg):
                        self._silent = True

        def process_keyword(self, keyword):
                return [None, None]

class AmazonBot(AmazonBotBase):
        def __init__(self):
                AmazonBotBase.__init__(self)

        def process_keyword(self, keyword):
                try:
                        data = my_amazon.searchByBlended(keyword)
                        if type(data.ProductLine) is not type([]):
                                data.ProductLine = [data.ProductLine]
                except my_amazon.AmazonError:
                        return [None, None]

                product_line = random.choice(data.ProductLine)
                detail = random.choice(product_line.ProductInfo.Details)

                url = getattr(detail, 'URL', None)
                product_name = getattr(detail, 'ProductName', None)

                return [product_name, url]

if __name__ == '__main__':
        bot = AmazonBot()
        bot.start()