Ticket #15024: 15024.diff

django/utils/formats.py

@@ -24 +24 @@
             format_locations.append(settings.FORMAT_MODULE_PATH + '.%s')
             format_locations.reverse()
         locale = to_locale(lang)
-        locales = set((locale, locale.split('_')[0]))
+        locales = [locale]
+        if '_' in locale:
+            locales.append(locale.split('_')[0])
         for location in format_locations:
             for loc in locales:
                 try:

tests/regressiontests/i18n/tests.py

@@ -480 +480 @@
             settings.FORMAT_MODULE_PATH = old_format_module_path
             deactivate()
 
+    def test_iter_format_modules_stability(self):
+        """
+        Tests the iter_format_modules function always yields format modules in
+        a stable and correct order in presence of both base ll and ll_CC formats.
+        """
+        try:
+            old_l10n, settings.USE_L10N = settings.USE_L10N, True
+            en_format_mod = import_module('django.conf.locale.en.formats')
+            en_gb_format_mod = import_module('django.conf.locale.en_GB.formats')
+            self.assertEqual(list(iter_format_modules('en-gb')), [en_gb_format_mod, en_format_mod])
+        finally:
+            settings.USE_L10N = old_l10n
+
     def test_localize_templatetag_and_filter(self):
         """
         Tests the {% localize %} templatetag