# License:: GPLv2
#
# This plugin allows using rbot to translate text on a few translation services
+#
+# TODO
+#
+# * Configuration for whether to show translation engine
+# * Optionally sync default translators with karma.rb ranking
require 'set'
require 'timeout'
@cache = cache
end
-
+
# whether the translator supports this direction
def support?(from, to)
from != to && @directions[from].include?(to)
def initialize(cache={})
require 'mechanize'
super(Translator::Direction.all_from_to(%w[ja en zh_CN ko], %w[ja]), cache)
- @form = WWW::Mechanize.new.
- get('http://nifty.amikai.com/amitext/indexUTF8.jsp').
- forms.name('translateForm').first
end
def do_translate(text, from, to)
- @form.radiobuttons.name('langpair').value = "#{from},#{to}".upcase
- @form.fields.name('sourceText').value = text
-
- @form.submit(@form.buttons.name('translate')).
- forms.name('translateForm').fields.name('translatedText').value
+ @form ||= WWW::Mechanize.new.
+ get('http://nifty.amikai.com/amitext/indexUTF8.jsp').
+ forms_with(:name => 'translateForm').last
+ @radio = @form.radiobuttons_with(:name => 'langpair').first
+ @radio.value = "#{from},#{to}".upcase
+ @radio.check
+ @form.fields_with(:name => 'sourceText').last.value = text
+
+ @form.submit(@form.buttons_with(:name => 'translate').last).
+ forms_with(:name => 'translateForm').last.fields_with(:name => 'translatedText').last.value
end
end
def open_form(name)
WWW::Mechanize.new.get("http://www.excite.co.jp/world/#{name}").
- forms.name('world').first
+ forms_with(:name => 'world').first
end
def do_translate(text, from, to)
form = @forms[non_ja_language]
if non_ja_language =~ /zh_(CN|TW)/
- form.fields.name('wb_lp').value = "#{from}#{to}".sub(/_(?:CN|TW)/, '').upcase
- form.fields.name('big5').value = ($1 == 'TW' ? 'yes' : 'no')
+ form_with_fields(:name => 'wb_lp').first.value = "#{from}#{to}".sub(/_(?:CN|TW)/, '').upcase
+ form_with_fields(:name => 'big5').first.value = ($1 == 'TW' ? 'yes' : 'no')
else
# the en<->ja page is in Shift_JIS while other pages are UTF-8
text = Iconv.iconv('Shift_JIS', 'UTF-8', text) if non_ja_language == 'en'
- form.fields.name('wb_lp').value = "#{from}#{to}".upcase
+ form.fields_with(:name => 'wb_lp').first.value = "#{from}#{to}".upcase
end
- form.fields.name('before').value = text
- result = form.submit.forms.name('world').fields.name('after').value
+ form.fields_with(:name => 'before').first.value = text
+ result = form.submit.forms_with(:name => 'world').first.fields_with(:name => 'after').first.value
# the en<->ja page is in Shift_JIS while other pages are UTF-8
if non_ja_language == 'en'
Iconv.iconv('UTF-8', 'Shift_JIS', result)
class GoogleTranslator < Translator
INFO = 'Google Translate <http://www.google.com/translate_t>'
+ LANGUAGES =
+ %w[af sq am ar hy az eu be bn bh bg my ca chr zh zh_CN zh_TW hr
+ cs da dv en eo et tl fi fr gl ka de el gn gu iw hi hu is id iu
+ ga it ja kn kk km ko lv lt mk ms ml mt mr mn ne no or ps fa pl
+ pt_PT pa ro ru sa sr sd si sk sl es sw sv tg ta tl te th bo tr
+ uk ur uz ug vi cy yi auto]
def initialize(cache={})
- require 'mechanize'
- load_form!
- language_pairs = @lang_list.options.map do |o|
- # these options have values like "en|zh-CN"; map to things like ['en', 'zh_CN'].
- o.value.split('|').map {|l| l.sub('-', '_')}
- end
- super(Translator::Direction.pairs(language_pairs), cache)
- end
-
- def load_form!
- agent = WWW::Mechanize.new
- # without faking the user agent, Google Translate will serve non-UTF-8 text
- agent.user_agent_alias = 'Linux Konqueror'
- @form = agent.get('http://www.google.com/translate_t').
- forms.action('/translate_t').first
- @lang_list = @form.fields.name('langpair')
+ require "uri"
+ require "json"
+ super(Translator::Direction.all_to_all(LANGUAGES), cache)
end
def do_translate(text, from, to)
- load_form!
+ langpair = [from == 'auto' ? '' : from, to].map { |e| e.tr('_', '-') }.join("|")
+ raw_json = Irc::Utils.bot.httputil.get_response(URI.escape(
+ "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=#{text}&langpair=#{langpair}")).body
+ response = JSON.parse(raw_json)
- @lang_list.value = "#{from}|#{to}".sub('_', '-')
- @form.fields.name('text').value = text
- @form.submit.parser.search('div#result_box').inner_html
+ if response["responseStatus"] != 200
+ raise Translator::NoTranslationError, response["responseDetails"]
+ else
+ translation = response["responseData"]["translatedText"]
+ return Utils.decode_html_entities(translation)
+ end
end
end
def initialize(cache)
require 'mechanize'
-
- @form = WWW::Mechanize.new.get('http://babelfish.altavista.com/babelfish/').
- forms.name('frmTrText').first
- @lang_list = @form.fields.name('lp')
- language_pairs = @lang_list.options.map {|o| o.value.split('_')}.
- reject {|p| p.empty?}
+ (_, lang_list) = parse_page
+ language_pairs = lang_list.options.map {|o| o.value.split('_')}.
+ reject {|p| p.empty?}
super(Translator::Direction.pairs(language_pairs), cache)
end
+ def parse_page
+ form = WWW::Mechanize.new.get('http://babelfish.altavista.com/babelfish/').
+ forms_with(:name => 'frmTrText').first
+ lang_list = form.fields_with(:name => 'lp').first
+ [form, lang_list]
+ end
+
def do_translate(text, from, to)
- if @form.fields.name('trtext').empty?
+ unless @form && @lang_list
+ @form, @lang_list = parse_page
+ end
+
+ if @form.fields_with(:name => 'trtext').empty?
@form.add_field!('trtext', text)
else
- @form.fields.name('trtext').value = text
+ @form.fields_with(:name => 'trtext').first.value = text
end
@lang_list.value = "#{from}_#{to}"
- @form.submit.parser.search("td.s/div[@style]").inner_html
+ @form.submit.parser.search("div[@id='result']/div[@style]").inner_html
end
end
end
class TranslatorPlugin < Plugin
- BotConfig.register BotConfigIntegerValue.new('translate.timeout',
+ Config.register Config::IntegerValue.new('translator.timeout',
:default => 30, :validate => Proc.new{|v| v > 0},
:desc => _("Number of seconds to wait for the translation service before timeout"))
+ Config.register Config::StringValue.new('translator.destination',
+ :default => "en",
+ :desc => _("Default destination language to be used with translate command"))
+
+ TRANSLATORS = {
+ 'nifty' => NiftyTranslator,
+ 'excite' => ExciteTranslator,
+ 'google_translate' => GoogleTranslator,
+ 'babelfish' => BabelfishTranslator,
+ 'worldlingo' => WorldlingoTranslator,
+ }
def initialize
super
- translator_classes = {
- 'nifty' => NiftyTranslator,
- 'excite' => ExciteTranslator,
- 'google_translate' => GoogleTranslator,
- 'babelfish' => BabelfishTranslator,
- 'worldlingo' => WorldlingoTranslator,
- }
-
+ @failed_translators = []
@translators = {}
-
- translator_classes.each_pair do |name, c|
- begin
+ TRANSLATORS.each_pair do |name, c|
+ watch_for_fail(name) do
@translators[name] = c.new(@registry.sub_registry(name))
- map "#{name} :from :to *phrase", :action => :cmd_translate
- rescue
- warning _("Translator %{name} cannot be used: %{reason}") %
- {:name => name, :reason => $!}
+ map "#{name} :from :to *phrase",
+ :action => :cmd_translate, :thread => true
end
end
+
+ Config.register Config::ArrayValue.new('translator.default_list',
+ :default => TRANSLATORS.keys,
+ :validate => Proc.new {|l| l.all? {|t| TRANSLATORS.has_key?(t)}},
+ :desc => _("List of translators to try in order when translator name not specified"),
+ :on_change => Proc.new {|bot, v| update_default})
+ update_default
+ end
+
+ def watch_for_fail(name, &block)
+ begin
+ yield
+ rescue Exception
+ @failed_translators << { :name => name, :reason => $!.to_s }
+
+ warning _("Translator %{name} cannot be used: %{reason}") %
+ {:name => name, :reason => $!}
+ map "#{name} [*args]", :action => :failed_translator,
+ :defaults => {:name => name, :reason => $!}
+ end
+ end
+
+ def failed_translator(m, params)
+ m.reply _("Translator %{name} cannot be used: %{reason}") %
+ {:name => params[:name], :reason => params[:reason]}
end
def help(plugin, topic=nil)
- if @translators.has_key?(topic)
- translator = @translators[topic]
- _('%{info}, supported directions of translation: %{directions}') % {
- :info => translator.class::INFO,
- :directions => translator.directions.map do |source, targets|
- _('%{source} -> %{targets}') %
- {:source => source, :targets => targets.to_a.join(', ')}
- end.join(' | ')
- }
+ case (topic.intern rescue nil)
+ when :failed
+ unless @failed_translators.empty?
+ failed_list = @failed_translators.map { |t| _("%{bold}%{translator}%{bold}: %{reason}") % {
+ :translator => t[:name],
+ :reason => t[:reason],
+ :bold => Bold
+ }}
+
+ _("Failed translators: %{list}") % { :list => failed_list.join(", ") }
+ else
+ _("None of the translators failed")
+ end
+ else
+ if @translators.has_key?(plugin)
+ translator = @translators[plugin]
+ _('%{translator} <from> <to> <phrase> => Look up phrase using %{info}, supported from -> to languages: %{directions}') % {
+ :translator => plugin,
+ :info => translator.class::INFO,
+ :directions => translator.directions.map do |source, targets|
+ _('%{source} -> %{targets}') %
+ {:source => source, :targets => targets.to_a.join(', ')}
+ end.join(' | ')
+ }
+ else
+ help_str = _('Command: <translator> <from> <to> <phrase>, where <translator> is one of: %{translators}. If "translator" is used in place of the translator name, the first translator in translator.default_list which supports the specified direction will be picked automatically. Use "help <translator>" to look up supported from and to languages') %
+ {:translators => @translators.keys.join(', ')}
+
+ help_str << "\n" + _("%{bold}Note%{bold}: %{failed_amt} translators failed, see %{reverse}%{prefix}help translate failed%{reverse} for details") % {
+ :failed_amt => @failed_translators.size,
+ :bold => Bold,
+ :reverse => Reverse,
+ :prefix => @bot.config['core.address_prefix'].first
+ }
+
+ help_str
+ end
+ end
+ end
+
+ def languages
+ @languages ||= @translators.map { |t| t.last.directions.keys }.flatten.uniq
+ end
+
+ def update_default
+ @default_translators = bot.config['translator.default_list'] & @translators.keys
+ end
+
+ def cmd_translator(m, params)
+ params[:to] = @bot.config['translator.destination'] if params[:to].nil?
+ params[:from] ||= 'auto'
+ translator = @default_translators.find {|t| @translators[t].support?(params[:from], params[:to])}
+
+ if translator
+ cmd_translate m, params.merge({:translator => translator, :show_provider => true})
else
- _('Command: <translator> <from> <to> <phrase>, where <translator> is one of: %{translators}. Use "help translator <translator>" to look up supported from and to languages') %
- {:translators => @translators.keys.join(', ')}
+ # When translate command is used without source language, "auto" as source
+ # language is assumed. It means that google translator is used and we let google
+ # figure out what the source language is.
+ #
+ # Problem is that the google translator will fail if the system that the bot is
+ # running on does not have the json gem installed.
+ if params[:from] == 'auto'
+ m.reply _("Unable to auto-detect source language due to broken google translator, see %{reverse}%{prefix}help translate failed%{reverse} for details") % {
+ :reverse => Reverse,
+ :prefix => @bot.config['core.address_prefix'].first
+ }
+ else
+ m.reply _('None of the default translators (translator.default_list) supports translating from %{source} to %{target}') % {:source => params[:from], :target => params[:to]}
+ end
end
end
def cmd_translate(m, params)
# get the first word of the command
- tname = m.message[/\A(\w+)\s/, 1]
+ tname = params[:translator] || m.message[/\A(\w+)\s/, 1]
translator = @translators[tname]
from, to, phrase = params[:from], params[:to], params[:phrase].to_s
if translator
- begin
- translation = Timeout.timeout(@bot.config['translate.timeout']) do
+ watch_for_fail(tname) do
+ begin
+ translation = Timeout.timeout(@bot.config['translator.timeout']) do
translator.translate(phrase, from, to)
end
- m.reply translation
- rescue Translator::UnsupportedDirectionError
+ m.reply(if params[:show_provider]
+ _('%{translation} (provided by %{translator})') %
+ {:translation => translation, :translator => tname.gsub("_", " ")}
+ else
+ translation
+ end)
+
+ rescue Translator::UnsupportedDirectionError
m.reply _("%{translator} doesn't support translating from %{source} to %{target}") %
{:translator => tname, :source => from, :target => to}
- rescue Translator::NoTranslationError
- m.reply _('%{translator} failed to provide a translation') %
- {:translator => tname}
- rescue Timeout::Error
- m.reply _('The translator timed out')
+ rescue Translator::NoTranslationError
+ m.reply _('%{translator} failed to provide a translation') %
+ {:translator => tname}
+ rescue Timeout::Error
+ m.reply _('The translator timed out')
+ end
end
else
m.reply _('No translator called %{name}') % {:name => tname}
end
plugin = TranslatorPlugin.new
+req = Hash[*%w(from to).map { |e| [e.to_sym, /#{plugin.languages.join("|")}/] }.flatten]
+plugin.map 'translate [:from] [:to] *phrase',
+ :action => :cmd_translator, :thread => true, :requirements => req
+plugin.map 'translator [:from] [:to] *phrase',
+ :action => :cmd_translator, :thread => true, :requirements => req
projects / user / henk / code / ruby / rbot.git / blobdiff