i18n: use consistent way of setting user language.

rhodecode/lib/base.py

@@ -443,20 +443,12 b' class BaseController(WSGIController):'
         self.sa = meta.Session
         self.scm_model = ScmModel(self.sa)
 
-        default_lang = c.language
-        user_lang = c.language
-        try:
-            user_obj = self._rhodecode_user.get_instance()
-            if user_obj:
-                user_lang = user_obj.user_data.get('language')
-        except Exception:
-            log.exception('Failed to fetch user language for user %s',
-                          self._rhodecode_user)
-
-        if user_lang and user_lang != default_lang:
-            log.debug('set language to %s for user %s', user_lang,
-                      self._rhodecode_user)
+        # set user language
+        user_lang = getattr(c.pyramid_request, '_LOCALE_', None)
+        if user_lang:
             translation.set_lang(user_lang)
+            log.debug('set language to %s for user %s',
+                      user_lang, self._rhodecode_user)
 
     def _dispatch_redirect(self, with_url, environ, start_response):
         resp = HTTPFound(with_url)

rhodecode/subscribers.py

@@ -63,6 +63,15 b' def add_localizer(event):'
     request.plularize = localizer.pluralize
 
 
+def set_user_lang(event):
+    cur_user = getattr(event.request, 'user', None)
+
+    if cur_user:
+        user_lang = cur_user.get_instance().user_data.get('language')
+        if user_lang:
+            event.request._LOCALE_ = user_lang
+
+
 def scan_repositories_if_enabled(event):
     """
     This is subscribed to the `pyramid.events.ApplicationCreated` event. It

rhodecode/tweens.py

@@ -67,8 +67,7 b' def pylons_compatibility_tween_factory(h'
         session_key = (
             config['pylons.environ_config'].get('session', 'beaker.session'))
         environ[session_key] = session
-        pylons.url._push_object(URLGenerator(config['routes.map'],
-                                             environ))
+        pylons.url._push_object(URLGenerator(config['routes.map'], environ))
 
         # TODO: Maybe we should use the language from pyramid.
         translator = _get_translator(config.get('lang'))
@@ -92,6 +91,8 b' def pylons_compatibility_tween_factory(h'
 def includeme(config):
     config.add_subscriber('rhodecode.subscribers.add_renderer_globals',
                           'pyramid.events.BeforeRender')
+    config.add_subscriber('rhodecode.subscribers.set_user_lang',
+                          'pyramid.events.NewRequest')
     config.add_subscriber('rhodecode.subscribers.add_localizer',
                           'pyramid.events.NewRequest')
     config.add_tween('rhodecode.tweens.pylons_compatibility_tween_factory')