Removed ModelAdmin.get_formsets() per deprecation timeline; refs #20702.

django/contrib/admin/options.py

@@ -721,47 +721,12 @@ class ModelAdmin(BaseModelAdmin):
             self.get_changelist_form(request), extra=0,
             fields=self.list_editable, **defaults)
 
-    def _get_formsets(self, request, obj):
-        """
-        Helper function that exists to allow the deprecation warning to be
-        executed while this function continues to return a generator.
-        """
-        for inline in self.get_inline_instances(request, obj):
-            yield inline.get_formset(request, obj)
-
-    def get_formsets(self, request, obj=None):
-        warnings.warn(
-            "ModelAdmin.get_formsets() is deprecated and will be removed in "
-            "Django 1.9. Use ModelAdmin.get_formsets_with_inlines() instead.",
-            RemovedInDjango19Warning, stacklevel=2
-        )
-        return self._get_formsets(request, obj)
-
     def get_formsets_with_inlines(self, request, obj=None):
         """
         Yields formsets and the corresponding inlines.
         """
-        # We call get_formsets() [deprecated] and check if it triggers a
-        # warning. If it does, then it's ours and we can safely ignore it, but
-        # if it doesn't then it has been overridden so we must warn about the
-        # deprecation.
-        with warnings.catch_warnings(record=True) as w:
-            warnings.simplefilter("always")
-            formsets = self.get_formsets(request, obj)
-
-        if len(w) != 1 or not issubclass(w[0].category, RemovedInDjango19Warning):
-            warnings.warn(
-                "ModelAdmin.get_formsets() is deprecated and will be removed in "
-                "Django 1.9. Use ModelAdmin.get_formsets_with_inlines() instead.",
-                RemovedInDjango19Warning, stacklevel=2
-            )
-            if formsets:
-                zipped = zip(formsets, self.get_inline_instances(request, None))
-                for formset, inline in zipped:
-                    yield formset, inline
-        else:
-            for inline in self.get_inline_instances(request, obj):
-                yield inline.get_formset(request, obj), inline
+        for inline in self.get_inline_instances(request, obj):
+            yield inline.get_formset(request, obj), inline
 
     def get_paginator(self, request, queryset, per_page, orphans=0, allow_empty_first_page=True):
         return self.paginator(queryset, per_page, orphans, allow_empty_first_page)

docs/ref/contrib/admin/index.txt

@@ -1514,26 +1514,6 @@ templates used by the :class:`ModelAdmin` views:
     You may also simply return a custom :class:`~django.forms.ModelForm` class
     directly.
 
-.. method:: ModelAdmin.get_formsets(request, obj=None)
-
-    .. deprecated:: 1.7
-        Use :meth:`get_formsets_with_inlines()` instead.
-
-    Yields  :class:`InlineModelAdmin`\s for use in admin add and change views.
-
-    For example if you wanted to display a particular inline only in the change
-    view, you could override ``get_formsets`` as follows::
-
-        class MyModelAdmin(admin.ModelAdmin):
-            inlines = [MyInline, SomeOtherInline]
-
-            def get_formsets(self, request, obj=None):
-                for inline in self.get_inline_instances(request, obj):
-                    # hide MyInline in the add view
-                    if isinstance(inline, MyInline) and obj is None:
-                        continue
-                    yield inline.get_formset(request, obj)
-
 .. method:: ModelAdmin.get_formsets_with_inlines(request, obj=None)
 
     Yields (``FormSet``, :class:`InlineModelAdmin`) pairs for use in admin add

tests/generic_inline_admin/tests.py

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
-import warnings
 
 from django.contrib import admin
 from django.contrib.admin.sites import AdminSite
@@ -9,8 +8,7 @@ from django.contrib.contenttypes.admin import GenericTabularInline
 from django.contrib.contenttypes.forms import generic_inlineformset_factory
 from django.forms.formsets import DEFAULT_MAX_NUM
 from django.forms.models import ModelForm
-from django.test import RequestFactory, TestCase, ignore_warnings, override_settings
-from django.utils.deprecation import RemovedInDjango19Warning
+from django.test import RequestFactory, TestCase, override_settings
 
 # local test models
 from .admin import MediaInline, MediaPermanentInline, site as admin_site
@@ -432,49 +430,6 @@ class GenericInlineModelAdminTest(TestCase):
         form = ma.get_formset(None).form
         self.assertEqual(form._meta.fields, ['url', 'description'])
 
-    def test_get_formsets_with_inlines(self):
-        """
-        get_formsets() triggers a deprecation warning when get_formsets is
-        overridden.
-        """
-        class MediaForm(ModelForm):
-            class Meta:
-                model = Media
-                exclude = ['url']
-
-        class MediaInline(GenericTabularInline):
-            exclude = ['description']
-            form = MediaForm
-            model = Media
-
-        class EpisodeAdmin(admin.ModelAdmin):
-            inlines = [
-                MediaInline
-            ]
-
-            def get_formsets(self, request, obj=None):
-                return []
-
-        with warnings.catch_warnings(record=True) as w:
-            warnings.simplefilter("always")
-            ma = EpisodeAdmin(Episode, self.site)
-            list(ma.get_formsets_with_inlines(request))
-            # Verify that the deprecation warning was triggered when get_formsets was called
-            # This verifies that we called that method.
-            self.assertEqual(len(w), 1)
-            self.assertTrue(issubclass(w[0].category, RemovedInDjango19Warning))
-
-        class EpisodeAdmin(admin.ModelAdmin):
-            inlines = [
-                MediaInline
-            ]
-        with warnings.catch_warnings(record=True) as w:
-            warnings.simplefilter("always")
-            ma = EpisodeAdmin(Episode, self.site)
-            list(ma.get_formsets_with_inlines(request))
-            self.assertEqual(len(w), 0)
-
-    @ignore_warnings(category=RemovedInDjango19Warning)
     def test_get_formsets_with_inlines_returns_tuples(self):
         """
         Ensure that get_formsets_with_inlines() returns the correct tuples.
@@ -500,19 +455,3 @@ class GenericInlineModelAdminTest(TestCase):
         inlines = ma.get_inline_instances(request)
         for (formset, inline), other_inline in zip(ma.get_formsets_with_inlines(request), inlines):
             self.assertIsInstance(formset, other_inline.get_formset(request).__class__)
-
-        class EpisodeAdmin(admin.ModelAdmin):
-            inlines = [
-                AlternateInline, MediaInline
-            ]
-
-            def get_formsets(self, request, obj=None):
-                # Override get_formsets to force the usage of get_formsets in
-                # ModelAdmin.get_formsets_with_inlines() then ignore the
-                # warning raised by ModelAdmin.get_formsets_with_inlines()
-                return self._get_formsets(request, obj)
-
-        ma = EpisodeAdmin(Episode, self.site)
-        inlines = ma.get_inline_instances(request)
-        for (formset, inline), other_inline in zip(ma.get_formsets_with_inlines(request), inlines):
-            self.assertIsInstance(formset, other_inline.get_formset(request).__class__)