List Microsoft translator languages in js config

html/config.js

@@ -11,3 +11,6 @@ var APERTIUM_LANGS = [
 {% if microsoft_api_key %}
 var MICROSOFT_API_KEY = '{{ microsoft_api_key }}';
 {% endif %}
+{% if microsoft_langs %}
+var MICROSOFT_LANGS = [{% for lang in microsoft_langs %}'{{ lang }}',{% endfor %}];
+{% endif %}

trans/views.py

@@ -18,6 +18,7 @@ from whoosh.analysis import StandardAnalyzer, StemmingAnalyzer
 import logging
 import os.path
 import json
+from xml.etree import ElementTree
 import urllib2
 
 # See https://code.djangoproject.com/ticket/6027
@@ -479,7 +480,20 @@ def js_config(request):
     else:
         apertium_langs = None
 
+    if settings.MT_MICROSOFT_KEY is not None and settings.MT_MICROSOFT_KEY != '':
+        try:
+            listpairs = urllib2.urlopen('http://api.microsofttranslator.com/V2/Http.svc/GetLanguagesForTranslate?appID=%s' % settings.MT_MICROSOFT_KEY)
+            data = listpairs.read()
+            parsed = ElementTree.fromstring(data)
+            microsoft_langs = [p.text for p in parsed.getchildren()]
+        except Exception, e:
+            logger.error('failed to get supported languages from Microsoft, using defaults (%s)', str(e))
+            microsoft_langs = ['ar','bg','ca','zh-CHS','zh-CHT','cs','da','nl','en','et','fi','fr','de','el','ht','he','hi','mww','hu','id','it','ja','ko','lv','lt','no','pl','pt','ro','ru','sk','sl','es','sv','th','tr','uk','vi']
+    else:
+        microsoft_langs = None
+
     return render_to_response('config.js', RequestContext(request, {
             'apertium_langs': apertium_langs,
+            'microsoft_langs': microsoft_langs,
         }),
         mimetype = 'application/javascript')