Implement static files check in python

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/admin/performance.html

@@ -25,7 +25,7 @@
   </thead>
   <tbody>
   {% for check in checks %}
-  <tr class="row{% cycle '1' '2' %} {{ check.4 }}">
+  <tr class="row{% cycle '1' '2' %}">
       <td>{{ check.0 }}</td>
       <td>{{ check.3 }}</td>
       <td>{% admin_boolean_icon check.1 %}</td>

weblate/trans/admin_views.py

@@ -20,6 +20,8 @@
 
 from __future__ import unicode_literals
 
+import os.path
+
 from django.contrib.sites.models import Site
 from django.shortcuts import render
 from django.contrib.admin.views.decorators import staff_member_required
@@ -223,13 +225,14 @@ def performance(request):
     ))
 
     # Check for serving static files
-    # This uses CSS magic to hide this check when CSS is properly loaded.
+    print os.path.join(settings.STATIC_ROOT, 'admin', 'js', 'core.jsx')
     checks.append((
         _('Admin static files'),
-        False,
+        os.path.exists(
+            os.path.join(settings.STATIC_ROOT, 'admin', 'js', 'core.js')
+        ),
         'production-admin-files',
-        '',
-        'order-cell',
+        settings.STATIC_ROOT,
     ))
 
     context = admin_context(request)