From da16c3759b3fa8c357778510776fb32800ebc394 Mon Sep 17 00:00:00 2001
From: Milo Mirate <992859+mmirate@users.noreply.github.com>
Date: Thu, 9 Jan 2025 22:15:50 -0500
Subject: [PATCH 1/2] Avoid fetching table data in duplicate from ListView
 mixin

Fixes #914.
---
 django_tables2/views.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/django_tables2/views.py b/django_tables2/views.py
index b972c0a0..680224ba 100644
--- a/django_tables2/views.py
+++ b/django_tables2/views.py
@@ -2,7 +2,7 @@
 from typing import Any, Optional
 
 from django.core.exceptions import ImproperlyConfigured
-from django.views.generic.list import ListView
+from django.views.generic.list import ListView, MultipleObjectMixin as ConfoundingMultipleObjectMixin
 
 from . import tables
 from .config import RequestConfig
@@ -156,8 +156,17 @@ def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         """
         Overridden version of `.TemplateResponseMixin` to inject the table into
         the template's context.
+
+        Will avoid calling ``django.views.generic.list.ListView.get_context_data``
+        if this mixin is combined with ``django.views.generic.list.ListView`` or
+        similar, as presumably ListView.get_context_data is meant to fetch the
+        same data as this function will fetch directly.
         """
-        context = super().get_context_data(**kwargs)
+        context = (
+            super(ConfoundingMultipleObjectMixin, self).get_context_data(**kwargs)
+            if isinstance(self, ConfoundingMultipleObjectMixin) else
+            super().get_context_data(**kwargs)
+        )
         table = self.get_table(**self.get_table_kwargs())
         context[self.get_context_table_name(table)] = table
         return context

From a8054bd70b9c111c79144f2693548c69ad2a087f Mon Sep 17 00:00:00 2001
From: Milo Mirate <992859+mmirate@users.noreply.github.com>
Date: Thu, 9 Jan 2025 22:19:27 -0500
Subject: [PATCH 2/2] Appease the format checker

---
 django_tables2/views.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/django_tables2/views.py b/django_tables2/views.py
index 680224ba..ce65b61e 100644
--- a/django_tables2/views.py
+++ b/django_tables2/views.py
@@ -2,7 +2,10 @@
 from typing import Any, Optional
 
 from django.core.exceptions import ImproperlyConfigured
-from django.views.generic.list import ListView, MultipleObjectMixin as ConfoundingMultipleObjectMixin
+from django.views.generic.list import (
+    ListView,
+    MultipleObjectMixin as ConfoundingMultipleObjectMixin,
+)
 
 from . import tables
 from .config import RequestConfig
@@ -164,8 +167,8 @@ def get_context_data(self, **kwargs: Any) -> dict[str, Any]:
         """
         context = (
             super(ConfoundingMultipleObjectMixin, self).get_context_data(**kwargs)
-            if isinstance(self, ConfoundingMultipleObjectMixin) else
-            super().get_context_data(**kwargs)
+            if isinstance(self, ConfoundingMultipleObjectMixin)
+            else super().get_context_data(**kwargs)
         )
         table = self.get_table(**self.get_table_kwargs())
         context[self.get_context_table_name(table)] = table