Limnoria/plugins/Babelfish.py

#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions, and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###

"""
Babelfish-related commands.
"""

__revision__ = "$Id$"

import plugins

import random
from itertools import imap

import babelfish

import utils
import privmsgs
import callbacks


def configure(onStart, afterConnect, advanced):
    # This will be called by setup.py to configure this module.  onStart and
    # afterConnect are both lists.  Append to onStart the commands you would
    # like to be run when the bot is started; append to afterConnect the
    # commands you would like to be run when the bot has finished connecting.
    from questions import expect, anything, something, yn
    onStart.append('load Babelfish')

class Babelfish(callbacks.Privmsg):
    threaded = True
    _abbrevs = utils.abbrev(imap(str.lower, babelfish.available_languages))
    _abbrevs['de'] = 'german'
    _abbrevs['jp'] = 'japanese'
    _abbrevs['kr'] = 'korean'
    _abbrevs['es'] = 'spanish'
    _abbrevs['pt'] = 'portuguese'
    _abbrevs['it'] = 'italian'
    _abbrevs['zh'] = 'chinese'
    for language in babelfish.available_languages:
        _abbrevs[language] = language
    def translate(self, irc, msg, args):
        """<from-language> <to-language> <text>

        Returns <text> translated from <from-language> into <to-language>.
        """
        (fromLang, toLang, text) = privmsgs.getArgs(args, required=3)
        try:
            fromLang = self._abbrevs[fromLang.lower()]
            toLang = self._abbrevs[toLang.lower()]
            translation = babelfish.translate(text, fromLang, toLang)
            irc.reply(translation)
        except (KeyError, babelfish.LanguageNotAvailableError), e:
            irc.error('%s is not a valid language.  Valid languages ' \
                      'include %s' % \
                      (e, utils.commaAndify(babelfish.available_languages)))
        except babelfish.BabelizerIOError, e:
            irc.error(e)
        except babelfish.BabelfishChangedError, e:
            irc.error('Babelfish has foiled our plans by changing its ' \
                           'webpage format')

    def babelize(self, irc, msg, args):
        """<from-language> <to-language> <text>

        Translates <text> repeatedly between <from-language> and <to-language>
        until it doesn't change anymore or 12 times, whichever is fewer.  One
        of the languages must be English.
        """
        (fromLang, toLang, text) = privmsgs.getArgs(args, required=3)
        try:
            fromLang = self._abbrevs[fromLang.lower()]
            toLang = self._abbrevs[toLang.lower()]
            if fromLang != 'english' and toLang != 'english':
                irc.error('One language must be English.')
                return
            translations = babelfish.babelize(text, fromLang, toLang)
            irc.reply(translations[-1])
        except (KeyError, babelfish.LanguageNotAvailableError), e:
            irc.reply('%s is not a valid language.  Valid languages ' \
                      'include %s' % \
                      (e, utils.commaAndify(babelfish.available_languages)))
        except babelfish.BabelizerIOError, e:
            irc.reply(e)
        except babelfish.BabelfishChangedError, e:
            irc.reply('Babelfish has foiled our plans by changing its ' \
                           'webpage format')

    def randomlanguage(self, irc, msg, args):
        """[<allow-english>]

        Returns a random language supported by babelfish.  If <allow-english>
        is provided, will include English in the list of possible languages.
        """
        allowEnglish = privmsgs.getArgs(args, required=0, optional=1)
        language = random.choice(babelfish.available_languages)
        while not allowEnglish and language == 'English':
            language = random.choice(babelfish.available_languages)
        irc.reply(language)

    


Class = Babelfish

# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: