From 15b465c584f49a1d43b6c18796f83521ee4ffc22 Mon Sep 17 00:00:00 2001 From: Lincoln Smith Date: Wed, 5 Apr 2017 13:54:46 +1000 Subject: [PATCH] Fixed #27998 -- Made ManyToManyField changes logged in admin's object history. --- AUTHORS | 1 + django/contrib/admin/options.py | 4 ++++ tests/admin_views/admin.py | 17 +++++++++-------- tests/admin_views/models.py | 7 +++++++ tests/admin_views/tests.py | 24 ++++++++++++++++++------ 5 files changed, 39 insertions(+), 14 deletions(-) diff --git a/AUTHORS b/AUTHORS index 0da7f9e9d10..fb912fd2e0b 100644 --- a/AUTHORS +++ b/AUTHORS @@ -468,6 +468,7 @@ answer newbie questions, and generally made Django that much better: Lex Berezhny Liang Feng limodou + Lincoln Smith Loek van Gent Loïc Bistuer Lowe Thiderman diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py index 5a99a2970da..edd0d7c3adb 100644 --- a/django/contrib/admin/options.py +++ b/django/contrib/admin/options.py @@ -1442,6 +1442,10 @@ class ModelAdmin(BaseModelAdmin): new_object = form.instance formsets, inline_instances = self._create_formsets(request, new_object, change=not add) if all_valid(formsets) and form_validated: + if not add: + # Evalute querysets in form.initial so that changes to + # ManyToManyFields are reflected in this change's LogEntry. + form.has_changed() self.save_model(request, new_object, form, not add) self.save_related(request, form, formsets, not add) change_message = self.construct_change_message(request, form, formsets, add) diff --git a/tests/admin_views/admin.py b/tests/admin_views/admin.py index cd323a10cfd..6139f0460f7 100644 --- a/tests/admin_views/admin.py +++ b/tests/admin_views/admin.py @@ -35,14 +35,14 @@ 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, ) @@ -970,6 +970,7 @@ 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 2dd7f5efd35..dd4921d1ce1 100644 --- a/tests/admin_views/models.py +++ b/tests/admin_views/models.py @@ -575,6 +575,13 @@ 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 16cc8d4b71c..eee375e9f64 100644 --- a/tests/admin_views/tests.py +++ b/tests/admin_views/tests.py @@ -54,12 +54,13 @@ from .models import ( 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, ) @@ -876,6 +877,17 @@ 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