diff options
| -rw-r--r-- | AUTHORS | 1 | ||||
| -rw-r--r-- | django/forms/models.py | 5 | ||||
| -rw-r--r-- | docs/releases/1.11.5.txt | 5 | ||||
| -rw-r--r-- | tests/admin_views/admin.py | 17 | ||||
| -rw-r--r-- | tests/admin_views/models.py | 7 | ||||
| -rw-r--r-- | tests/admin_views/tests.py | 24 | ||||
| -rw-r--r-- | tests/model_forms/tests.py | 15 |
7 files changed, 60 insertions, 14 deletions
@@ -459,6 +459,7 @@ answer newbie questions, and generally made Django that much better: Lex Berezhny <lex@damoti.com> Liang Feng <hutuworm@gmail.com> limodou + Lincoln Smith <lincoln.smith@anu.edu.au> Loek van Gent <loek@barakken.nl> Loïc Bistuer <loic.bistuer@sixmedia.com> Lowe Thiderman <lowe.thiderman@gmail.com> diff --git a/django/forms/models.py b/django/forms/models.py index db710a2ed2..0e80e19042 100644 --- a/django/forms/models.py +++ b/django/forms/models.py @@ -84,6 +84,7 @@ def model_to_dict(instance, fields=None, exclude=None): fields will be excluded from the returned dict, even if they are listed in the ``fields`` argument. """ + from django.db import models opts = instance._meta data = {} for f in chain(opts.concrete_fields, opts.private_fields, opts.many_to_many): @@ -94,6 +95,10 @@ def model_to_dict(instance, fields=None, exclude=None): if exclude and f.name in exclude: continue data[f.name] = f.value_from_object(instance) + # Evaluate ManyToManyField QuerySets to prevent subsequent model + # alteration of that field from being reflected in the data. + if isinstance(f, models.ManyToManyField): + data[f.name] = list(data[f.name]) return data diff --git a/docs/releases/1.11.5.txt b/docs/releases/1.11.5.txt index 91620eb740..cb9e466248 100644 --- a/docs/releases/1.11.5.txt +++ b/docs/releases/1.11.5.txt @@ -35,3 +35,8 @@ Bugfixes * Fixed a regression in 1.11.4 where ``runserver`` crashed with non-Unicode system encodings on Python 2 + Windows (:ticket:`28487`). + +* Fixed a regression in Django 1.10 where changes to a ``ManyToManyField`` + weren't logged in the admin change history (:ticket:`27998`) and prevented + ``ManyToManyField`` initial data in model forms from being affected by + subsequent model changes (:ticket:`28543`). diff --git a/tests/admin_views/admin.py b/tests/admin_views/admin.py index b5e0ff4814..5d02f0f37d 100644 --- a/tests/admin_views/admin.py +++ b/tests/admin_views/admin.py @@ -38,14 +38,14 @@ from .models import ( OtherStory, Paper, Parent, ParentWithDependentChildren, ParentWithUUIDPK, Person, Persona, Picture, Pizza, Plot, PlotDetails, PlotProxy, PluggableSearchPerson, Podcast, Post, PrePopulatedPost, - PrePopulatedPostLargeSlug, PrePopulatedSubPost, Promo, Question, Recipe, - Recommendation, Recommender, ReferencedByGenRel, ReferencedByInline, - ReferencedByParent, RelatedPrepopulated, RelatedWithUUIDPKModel, Report, - Reservation, Restaurant, RowLevelChangePermissionModel, Section, - ShortMessage, Simple, Sketch, State, Story, StumpJoke, Subscriber, - SuperVillain, Telegram, Thing, Topping, UnchangeableObject, - UndeletableObject, UnorderedObject, UserMessenger, Villain, Vodcast, - Whatsit, Widget, Worker, WorkHour, + PrePopulatedPostLargeSlug, PrePopulatedSubPost, Promo, Question, + ReadablePizza, Recipe, Recommendation, Recommender, ReferencedByGenRel, + ReferencedByInline, ReferencedByParent, RelatedPrepopulated, + RelatedWithUUIDPKModel, Report, Reservation, Restaurant, + RowLevelChangePermissionModel, Section, ShortMessage, Simple, Sketch, + State, Story, StumpJoke, Subscriber, SuperVillain, Telegram, Thing, + Topping, UnchangeableObject, UndeletableObject, UnorderedObject, + UserMessenger, Villain, Vodcast, Whatsit, Widget, Worker, WorkHour, ) @@ -988,6 +988,7 @@ site.register(Book, inlines=[ChapterInline]) site.register(Promo) site.register(ChapterXtra1, ChapterXtra1Admin) site.register(Pizza, PizzaAdmin) +site.register(ReadablePizza) site.register(Topping, ToppingAdmin) site.register(Album, AlbumAdmin) site.register(Question) diff --git a/tests/admin_views/models.py b/tests/admin_views/models.py index 9c7eee7547..29d96474c6 100644 --- a/tests/admin_views/models.py +++ b/tests/admin_views/models.py @@ -611,6 +611,13 @@ class Pizza(models.Model): toppings = models.ManyToManyField('Topping', related_name='pizzas') +# Pizza's ModelAdmin has readonly_fields = ['toppings']. +# toppings is editable for this model's admin. +class ReadablePizza(Pizza): + class Meta: + proxy = True + + class Album(models.Model): owner = models.ForeignKey(User, models.SET_NULL, null=True, blank=True) title = models.CharField(max_length=30) diff --git a/tests/admin_views/tests.py b/tests/admin_views/tests.py index febb20914c..efddc49de7 100644 --- a/tests/admin_views/tests.py +++ b/tests/admin_views/tests.py @@ -57,12 +57,13 @@ from .models import ( MainPrepopulated, Media, ModelWithStringPrimaryKey, OtherStory, Paper, Parent, ParentWithDependentChildren, ParentWithUUIDPK, Person, Persona, Picture, Pizza, Plot, PlotDetails, PluggableSearchPerson, Podcast, Post, - PrePopulatedPost, Promo, Question, Recommendation, Recommender, - RelatedPrepopulated, RelatedWithUUIDPKModel, Report, Restaurant, - RowLevelChangePermissionModel, SecretHideout, Section, ShortMessage, - Simple, State, Story, Subscriber, SuperSecretHideout, SuperVillain, - Telegram, TitleTranslation, Topping, UnchangeableObject, UndeletableObject, - UnorderedObject, Villain, Vodcast, Whatsit, Widget, Worker, WorkHour, + PrePopulatedPost, Promo, Question, ReadablePizza, Recommendation, + Recommender, RelatedPrepopulated, RelatedWithUUIDPKModel, Report, + Restaurant, RowLevelChangePermissionModel, SecretHideout, Section, + ShortMessage, Simple, State, Story, Subscriber, SuperSecretHideout, + SuperVillain, Telegram, TitleTranslation, Topping, UnchangeableObject, + UndeletableObject, UnorderedObject, Villain, Vodcast, Whatsit, Widget, + Worker, WorkHour, ) @@ -879,6 +880,17 @@ class AdminViewBasicTest(AdminViewBasicTestCase): response = self.client.get(reverse('admin:admin_views_undeletableobject_change', args=(instance.pk,))) self.assertNotContains(response, 'deletelink') + def test_change_view_logs_m2m_field_changes(self): + """Changes to ManyToManyFields are included in the object's history.""" + pizza = ReadablePizza.objects.create(name='Cheese') + cheese = Topping.objects.create(name='cheese') + post_data = {'name': pizza.name, 'toppings': [cheese.pk]} + response = self.client.post(reverse('admin:admin_views_readablepizza_change', args=(pizza.pk,)), post_data) + self.assertRedirects(response, reverse('admin:admin_views_readablepizza_changelist')) + pizza_ctype = ContentType.objects.get_for_model(ReadablePizza, for_concrete_model=False) + log = LogEntry.objects.filter(content_type=pizza_ctype, object_id=pizza.pk).first() + self.assertEqual(log.get_change_message(), 'Changed toppings.') + def test_allows_attributeerror_to_bubble_up(self): """ AttributeErrors are allowed to bubble when raised inside a change list diff --git a/tests/model_forms/tests.py b/tests/model_forms/tests.py index f3317f59de..b14e0e2389 100644 --- a/tests/model_forms/tests.py +++ b/tests/model_forms/tests.py @@ -3142,3 +3142,18 @@ class StrictAssignmentTests(TestCase): '__all__': ['Cannot set attribute'], 'title': ['This field cannot be blank.'] }) + + +class ModelToDictTests(TestCase): + def test_many_to_many(self): + """Data for a ManyToManyField is a list rather than a lazy QuerySet.""" + blue = Colour.objects.create(name='blue') + red = Colour.objects.create(name='red') + item = ColourfulItem.objects.create() + item.colours.set([blue]) + data = model_to_dict(item)['colours'] + self.assertEqual(data, [blue]) + item.colours.set([red]) + # If data were a QuerySet, it would be reevaluated here and give "red" + # instead of the original value. + self.assertEqual(data, [blue]) |