Deprecate DjrillAdminSite

djrill/tests/utils.py

@@ -1,9 +1,11 @@
 import re
 import six
+import sys
 
 __all__ = (
     'BackportedAssertions',
     'override_settings',
+    'reset_warning_registry',
 )
 
 try:
@@ -86,3 +88,18 @@ class BackportedAssertions(object):
                             callable_obj=None, *args, **kwargs):
         return six.assertRaisesRegex(self, expected_exception, re.escape(expected_message),
                                      callable_obj, *args, **kwargs)
+
+
+# Backport from Django 1.8 (django.test.utils)
+def reset_warning_registry():
+    """
+    Clear warning registry for all modules. This is required in some tests
+    because of a bug in Python that prevents warnings.simplefilter("always")
+    from always making warnings appear: http://bugs.python.org/issue4180
+
+    The bug was fixed in Python 3.4.2.
+    """
+    key = "__warningregistry__"
+    for mod in sys.modules.values():
+        if hasattr(mod, key):
+            getattr(mod, key).clear()