Limnoria/plugins/Babelfish.py

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#!/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.
###
"""
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Babelfish-related commands.
"""
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__revision__ = "$Id$"
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__author__ = "James Vega (jamessan) <jamessan@users.sf.net>"
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import sets
import random
from itertools import imap
import babelfish
import conf
import utils
import privmsgs
import registry
import callbacks
class Languages(registry.OnlySomeStrings):
validStrings = tuple(map(str.capitalize, babelfish.available_languages))
normalize = staticmethod(str.capitalize)
class SpaceSeparatedListOfLanguages(registry.SeparatedListOf):
List = sets.Set
Value = Languages
def splitter(self, s):
return s.split()
joiner = ' '.join
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conf.registerPlugin('Babelfish')
conf.registerChannelValue(conf.supybot.plugins.Babelfish, 'languages',
SpaceSeparatedListOfLanguages(babelfish.available_languages, """Determines
which languages are available for translation; valid input is a list of
languages separated by spaces."""))
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 _getLang(self, fromLang, toLang, chan):
fromLang = self._abbrevs[fromLang.lower()]
toLang = self._abbrevs[toLang.lower()]
languages = map(str.lower, self.registryValue('languages',chan))
if fromLang not in languages:
fromLang = None
if toLang not in languages:
toLang = None
return (fromLang, toLang)
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def languages(self, irc, msg, args):
"""takes no arguments
Returns the languages that Babelfish can translate to/from.
"""
irc.reply(utils.commaAndify(babelfish.available_languages))
def translate(self, irc, msg, args):
"""<from-language> [to] <to-language> <text>
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Returns <text> translated from <from-language> into <to-language>.
"""
if len(args) >= 2 and args[1] == 'to':
args.pop(1)
(fromLang, toLang, text) = privmsgs.getArgs(args, required=3)
chan = msg.args[0]
try:
(fromLang, toLang) = self._getLang(fromLang, toLang, chan)
if not fromLang or not toLang:
langs = self.registryValue('languages', chan)
if not langs:
irc.error('I do not speak any other languages.')
return
else:
irc.error('I only speak %s.' % utils.commaAndify(langs,
And='or'))
return
translation = babelfish.translate(text, fromLang, toLang)
irc.reply(translation)
except (KeyError, babelfish.LanguageNotAvailableError), e:
irc.error('%s is not a valid language. Valid languages '
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'include %s.' %
(e, self.registryValue('languages', chan)))
except babelfish.BabelizerIOError, e:
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irc.error(str(e))
except babelfish.BabelfishChangedError, e:
irc.error('Babelfish has foiled our plans by changing its '
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'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)
chan = msg.args[0]
try:
(fromLang, toLang) = self._getLang(fromLang, toLang, chan)
if fromLang != 'english' and toLang != 'english':
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irc.error('One language in babelize must be English.')
return
if not fromLang or not toLang:
langs = self.registryValue('languages', chan)
if not langs:
irc.error('I do not speak any other languages.')
return
else:
irc.error('I only speak %s.' % utils.commaAndify(langs,
And='or'))
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,
self.registryValue('languages', chan)))
except babelfish.BabelizerIOError, e:
irc.reply(e)
except babelfish.BabelfishChangedError, e:
irc.reply('Babelfish has foiled our plans by changing its '
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'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)
languages = self.registryValue('languages', msg.args[0])
if not languages:
irc.error('I can\'t speak any other languages.')
language = random.choice(languages)
while not allowEnglish and language == 'English':
language = random.choice(languages)
irc.reply(language)
Class = Babelfish
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: