Refs #30578 -- Made SelectDateWidget.format_value() independent of USE_L10N.

django/forms/widgets.py

@@ -8,7 +8,6 @@ import warnings
 from collections import defaultdict
 from itertools import chain
 
-from django.conf import settings
 from django.forms.utils import to_current_timezone
 from django.templatetags.static import static
 from django.utils import datetime_safe, formats
@@ -1028,7 +1027,7 @@ class SelectDateWidget(Widget):
                 # Convert any zeros in the date to empty strings to match the
                 # empty option value.
                 year, month, day = [int(val) or '' for val in match.groups()]
-            elif settings.USE_L10N:
+            else:
                 input_format = get_format('DATE_INPUT_FORMATS')[0]
                 try:
                     d = datetime.datetime.strptime(value, input_format)

tests/forms_tests/widget_tests/test_selectdatewidget.py

@@ -487,7 +487,7 @@ class SelectDateWidgetTest(WidgetTest):
     @override_settings(USE_L10N=False, DATE_INPUT_FORMATS=['%d.%m.%Y'])
     def test_custom_input_format(self):
         w = SelectDateWidget(years=('0001', '1899', '2009', '2010'))
-        for values, expected in (
+        for values, expected_value in (
             (('0001', '8', '13'), '13.08.0001'),
             (('1899', '7', '11'), '11.07.1899'),
             (('2009', '3', '7'), '07.03.2009'),
@@ -497,7 +497,12 @@ class SelectDateWidgetTest(WidgetTest):
                     'field_%s' % field: value
                     for field, value in zip(('year', 'month', 'day'), values)
                 }
-                self.assertEqual(w.value_from_datadict(data, {}, 'field'), expected)
+                self.assertEqual(w.value_from_datadict(data, {}, 'field'), expected_value)
+                expected_dict = {
+                    field: int(value)
+                    for field, value in zip(('year', 'month', 'day'), values)
+                }
+                self.assertEqual(w.format_value(expected_value), expected_dict)
 
     def test_format_value(self):
         valid_formats = [