Fixed #34462 -- Made admin log actions in bulk.

This also deprecates ModelAdmin.log_deletion() and
LogEntryManager.log_action().

tests/admin_views/test_actions.py

@@ -4,9 +4,11 @@ from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
 from django.contrib.admin.views.main import IS_POPUP_VAR
 from django.contrib.auth.models import Permission, User
 from django.core import mail
+from django.db import connection
 from django.template.loader import render_to_string
 from django.template.response import TemplateResponse
 from django.test import TestCase, override_settings
+from django.test.utils import CaptureQueriesContext
 from django.urls import reverse
 
 from .admin import SubscriberAdmin
@@ -74,8 +76,21 @@ class AdminActionsTest(TestCase):
         self.assertContains(confirmation, "<li>Subscribers: 2</li>")
         self.assertContains(confirmation, "<li>External subscribers: 1</li>")
         self.assertContains(confirmation, ACTION_CHECKBOX_NAME, count=2)
-        self.client.post(
-            reverse("admin:admin_views_subscriber_changelist"), delete_confirmation_data
+        with CaptureQueriesContext(connection) as ctx:
+            self.client.post(
+                reverse("admin:admin_views_subscriber_changelist"),
+                delete_confirmation_data,
+            )
+        # Log entries are inserted in bulk.
+        self.assertEqual(
+            len(
+                [
+                    q["sql"]
+                    for q in ctx.captured_queries
+                    if q["sql"].startswith("INSERT")
+                ]
+            ),
+            1,
         )
         self.assertEqual(Subscriber.objects.count(), 0)
 

tests/admin_views/test_history_view.py

@@ -1,7 +1,6 @@
 from django.contrib.admin.models import CHANGE, LogEntry
 from django.contrib.admin.tests import AdminSeleniumTestCase
 from django.contrib.auth.models import User
-from django.contrib.contenttypes.models import ContentType
 from django.core.paginator import Paginator
 from django.test import TestCase, override_settings
 from django.urls import reverse
@@ -61,15 +60,13 @@ class SeleniumTests(AdminSeleniumTestCase):
             password="secret",
             email="super@example.com",
         )
-        content_type_pk = ContentType.objects.get_for_model(User).pk
         for i in range(1, 1101):
-            LogEntry.objects.log_action(
+            LogEntry.objects.log_actions(
                 self.superuser.pk,
-                content_type_pk,
-                self.superuser.pk,
-                repr(self.superuser),
+                [self.superuser],
                 CHANGE,
                 change_message=f"Changed something {i}",
+                single_object=True,
             )
         self.admin_login(
             username="super",

tests/admin_views/tests.py

@@ -3808,33 +3808,27 @@ class AdminViewStringPrimaryKeyTest(TestCase):
             r"""-_.!~*'() ;/?:@&=+$, <>#%" {}|\^[]`"""
         )
         cls.m1 = ModelWithStringPrimaryKey.objects.create(string_pk=cls.pk)
-        content_type_pk = ContentType.objects.get_for_model(
-            ModelWithStringPrimaryKey
-        ).pk
         user_pk = cls.superuser.pk
-        LogEntry.objects.log_action(
+        LogEntry.objects.log_actions(
             user_pk,
-            content_type_pk,
-            cls.pk,
-            cls.pk,
+            [cls.m1],
             2,
             change_message="Changed something",
+            single_object=True,
         )
-        LogEntry.objects.log_action(
+        LogEntry.objects.log_actions(
             user_pk,
-            content_type_pk,
-            cls.pk,
-            cls.pk,
+            [cls.m1],
             1,
             change_message="Added something",
+            single_object=True,
         )
-        LogEntry.objects.log_action(
+        LogEntry.objects.log_actions(
             user_pk,
-            content_type_pk,
-            cls.pk,
-            cls.pk,
+            [cls.m1],
             3,
             change_message="Deleted something",
+            single_object=True,
         )
 
     def setUp(self):