Commit e69af17a authored by Shawn Dong's avatar Shawn Dong
Browse files

[4.1.x] Fixed #33822 -- Fixed save() crash on model formsets when not created...

[4.1.x] Fixed #33822 -- Fixed save() crash on model formsets when not created by modelformset_factory().
parent 7b0a25d59cd4
......@@ -657,6 +657,7 @@ class BaseModelFormSet(BaseFormSet):
model = None
edit_only = False
# Set of fields that must be unique among forms of this set.
unique_fields = set()
......@@ -6,6 +6,7 @@ from decimal import Decimal
from django import forms
from django.core.exceptions import ImproperlyConfigured
from django.db import models
from django.forms.formsets import formset_factory
from django.forms.models import (
......@@ -2066,6 +2067,36 @@ class ModelFormsetTest(TestCase):
self.assertCountEqual(Author.objects.all(), [charles, walt])
def test_edit_only_formset_factory_with_basemodelformset(self):
charles = Author.objects.create(name="Charles Baudelaire")
class AuthorForm(forms.ModelForm):
class Meta:
model = Author
fields = "__all__"
class BaseAuthorFormSet(BaseModelFormSet):
def __init__(self, *args, **kwargs):
self.model = Author
super().__init__(*args, **kwargs)
AuthorFormSet = formset_factory(AuthorForm, formset=BaseAuthorFormSet)
data = {
"form-TOTAL_FORMS": "2",
"form-INITIAL_FORMS": "1",
"form-MAX_NUM_FORMS": "0",
"form-0-name": "Shawn Dong",
"form-1-name": "Walt Whitman",
formset = AuthorFormSet(data)
self.assertIs(formset.is_valid(), True)
self.assertEqual(Author.objects.count(), 2)
self.assertEqual(, "Shawn Dong")
self.assertEqual(Author.objects.count(), 2)
class TestModelFormsetOverridesTroughFormMeta(TestCase):
def test_modelformset_factory_widgets(self):
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