5 class BabelPlugin < Plugin
6 LANGS = %w{en fr de it pt es nl ru zh zt el ja ko}
8 BotConfig.register BotConfigEnumValue.new('translate.default_from',
9 :values => LANGS, :default => 'en',
10 :desc => "Default language to translate from")
11 BotConfig.register BotConfigEnumValue.new('translate.default_to',
12 :values => LANGS, :default => 'en',
13 :desc => "Default language to translate to")
15 def help(plugin, topic="")
18 "translate cache [view|clear] => view or clear the translate cache contents"
20 from = @bot.config['translate.default_from']
21 to = @bot.config['translate.default_to']
22 "translate to <lang> <string> => translate from #{from} to <lang>, translate from <lang> <string> => translate to #{to} from <lang>, translate <fromlang> <tolang> <string> => translate from <fromlang> to <tolang>. If <string> is an http url, translates the referenced webpage and returns the 1st content paragraph. Languages: #{LANGS.join(', ')}. Other topics: cache"
26 def translate(m, params)
28 trans_from = params[:fromlang] ? params[:fromlang] : @bot.config['translate.default_from']
29 trans_to = params[:tolang] ? params[:tolang] : @bot.config['translate.default_to']
30 trans_text = params[:phrase].to_s
32 lang_match = langs.join("|")
33 unless(trans_from =~ /^(#{lang_match})$/ && trans_to =~ /^(#{lang_match})$/)
34 m.reply "invalid language: valid languagess are: #{langs.join(' ')}"
38 data_text = URI.escape trans_text
39 trans_pair = "#{trans_from}_#{trans_to}"
41 if (trans_text =~ /^http:\/\//) && (URI.parse(trans_text) rescue nil)
42 url = 'http://babelfish.altavista.com/babelfish/trurl_pagecontent' +
43 "?lp=#{trans_pair}&url=#{data_text}"
45 return Utils.get_first_pars([url], 1, :message => m)
48 data = "lp=#{trans_pair}&doit=done&intl=1&tt=urltext&urltext=#{data_text}"
50 # check cache for previous lookups
51 if @registry.has_key?("#{trans_pair}/#{data_text}")
52 m.reply @registry["#{trans_pair}/#{data_text}"]
57 "content-type" => "application/x-www-form-urlencoded; charset=utf-8"
60 query = "/babelfish/tr"
63 body = @bot.httputil.get('http://babelfish.altavista.com'+query,
68 m.reply "http error: #{e.message}"
74 m.reply "couldn't talk to babelfish :("
75 when /^\s+<td bgcolor=white class=s><div style=padding:10px;>(.*)<\/div><\/td>\s*<\/tr>/m
76 answer = $1.gsub(/\s*[\r\n]+\s*/,' ')
79 @registry["#{trans_pair}/#{data_text}"] = answer
83 when /^\s+<option value="#{trans_pair}"\s+SELECTED>/
84 m.reply "couldn't parse babelfish response html :("
86 m.reply "babelfish doesn't support translation from #{trans_from} to #{trans_to}"
90 def cache_mgmt(m, params)
91 cmd = params[:cmd].intern
95 @registry.each { |key, val|
96 cache << "%s => %s" % [key, val]
98 m.reply "translate cache: #{cache.inspect}"
101 @registry.each { |key, val|
105 @registry.delete(key)
107 cache_mgmt(m, :cmd => 'view')
113 plugin = BabelPlugin.new
115 plugin.default_auth('cache', false)
117 plugin.map 'translate to :tolang *phrase'
118 plugin.map 'translate from :fromlang *phrase'
119 plugin.map 'translate cache :cmd', :action => :cache_mgmt, :auth_path => 'cache!', :requirements => { :cmd => /view|clear/ }
120 plugin.map 'translate :fromlang :tolang *phrase'