Google: Add translate command (needs testing)

https://github.com/myano/jenni/blob/master/modules/translate.py
is where I got the idea from. Say thanks to sbp and yano too! :)

Conflicts:
	plugins/Google/plugin.py

plugins/Google/plugin.py

@@ -236,50 +236,41 @@ class Google(callbacks.PluginRegexp):
         s = ', '.join([format('%s: %i', bold(s), i) for (i, s) in results])
         irc.reply(s)
 
-    _gtranslateUrl='http://ajax.googleapis.com/ajax/services/language/translate'
-    def translate(self, irc, msg, args, fromLang, toLang, text):
-        """<from-language> [to] <to-language> <text>
+    @internationalizeDocstring
+    def translate(self, irc, msg, args, sourceLang, targetLang, text):
+        """<source language> [to] <target language> <text>
 
-        Returns <text> translated from <from-language> into <to-language>.
-        Beware that translating to or from languages that use multi-byte
-        characters may result in some very odd results.
+        Returns <text> translated from <source language> into <target
+        language>.
         """
+
         channel = msg.args[0]
-        ref = self.registryValue('referer')
-        if not ref:
-            ref = 'http://%s/%s' % (dynamic.irc.server,
-                                    dynamic.irc.nick)
+
         headers = utils.web.defaultHeaders
-        headers['Referer'] = ref
-        opts = {'q': text, 'v': '1.0'}
-        lang = conf.supybot.plugins.Google.defaultLanguage
-        if fromLang.capitalize() in lang.transLangs:
-            fromLang = lang.transLangs[fromLang.capitalize()]
-        elif lang.normalize('lang_'+fromLang)[5:] \
-                not in lang.transLangs.values():
-            irc.errorInvalid('from language', fromLang,
-                             format('Valid languages are: %L',
-                                    lang.transLangs.keys()))
-        else:
-            fromLang = lang.normalize('lang_'+fromLang)[5:]
-        if toLang.capitalize() in lang.transLangs:
-            toLang = lang.transLangs[toLang.capitalize()]
-        elif lang.normalize('lang_'+toLang)[5:] \
-                not in lang.transLangs.values():
-            irc.errorInvalid('to language', toLang,
-                             format('Valid languages are: %L',
-                                    lang.transLangs.keys()))
-        else:
-            toLang = lang.normalize('lang_'+toLang)[5:]
-        opts['langpair'] = '%s|%s' % (fromLang, toLang)
-        fd = utils.web.getUrlFd('%s?%s' % (self._gtranslateUrl,
-                                           urllib.urlencode(opts)),
-                                headers)
-        json = simplejson.load(fd)
-        fd.close()
-        if json['responseStatus'] != 200:
-            raise callbacks.Error, 'We broke The Google!'
-        irc.reply(json['responseData']['translatedText'].encode('utf-8'))
+        headers['User-Agent'] = ('Mozilla/5.0 (X11; U; Linux i686) '
+                                 'Gecko/20071127 Firefox/2.0.0.11')
+
+        sourceLang = urllib.quote(sourceLang)
+        targetLang = urllib.quote(targetLang)
+
+        text = urllib.quote(text)
+
+        result = utils.web.getUrlFd('http://translate.google.com/translate_a/t'
+                                    '?client=t&hl=en&sl=%s&tl=%s&multires=1'
+                                    '&otf=1&ssel=0&tsel=0&uptl=en&sc=1&text='
+                                    '%s' % (sourceLang, targetLang, text),
+                                    headers).read()
+
+        while ',,' in result:
+            result = result.replace(',,', ',null,')
+        data = json.loads(result)
+
+        try:
+            language = data[2]
+        except:
+            language = 'unknown'
+
+        irc.reply(''.join(x[0] for x in data[0]), language)
     translate = wrap(translate, ['something', 'to', 'something', 'text'])
 
     def googleSnarfer(self, irc, msg, match):