Fixed #19733 - deprecated ModelForms without 'fields' or 'exclude', and added '__all__' shortcut

This also updates all dependent functionality, including modelform_factory
 and modelformset_factory, and the generic views `ModelFormMixin`,
 `CreateView` and `UpdateView` which gain a new `fields` attribute.

2 files changed, 5 insertions, 0 deletions

diff --git a/tests/forms_tests/tests/test_regressions.py b/tests/forms_tests/tests/test_regressions.py
index be9dc8c593..74509a0f1a 100644
--- a/tests/forms_tests/tests/test_regressions.py
+++ b/tests/forms_tests/tests/test_regressions.py
@@ -139,6 +139,7 @@ class FormsRegressionsTestCase(TestCase):
         class CheeseForm(ModelForm):
             class Meta:
                 model = Cheese
+                fields = '__all__'
 
         form = CheeseForm({
             'name': 'Brie',
diff --git a/tests/forms_tests/tests/tests.py b/tests/forms_tests/tests/tests.py
index 80e2cadcc3..deda4822b8 100644
--- a/tests/forms_tests/tests/tests.py
+++ b/tests/forms_tests/tests/tests.py
@@ -17,11 +17,13 @@ from ..models import (ChoiceOptionModel, ChoiceFieldModel, FileModel, Group,
 class ChoiceFieldForm(ModelForm):
     class Meta:
         model = ChoiceFieldModel
+        fields = '__all__'
 
 
 class OptionalMultiChoiceModelForm(ModelForm):
     class Meta:
         model = OptionalMultiChoiceModel
+        fields = '__all__'
 
 
 class FileForm(Form):
@@ -139,6 +141,7 @@ class FormsModelTestCase(TestCase):
         class BoundaryForm(ModelForm):
             class Meta:
                 model = BoundaryModel
+                fields = '__all__'
 
         f = BoundaryForm({'positive_integer': 100})
         self.assertTrue(f.is_valid())
@@ -154,6 +157,7 @@ class FormsModelTestCase(TestCase):
         class DefaultsForm(ModelForm):
             class Meta:
                 model = Defaults
+                fields = '__all__'
 
         self.assertEqual(DefaultsForm().fields['name'].initial, 'class default value')
         self.assertEqual(DefaultsForm().fields['def_date'].initial, datetime.date(1980, 1, 1))