From 4c877d21701aea6e983f10afb7770af0f31da341 Mon Sep 17 00:00:00 2001
From: Nicholas Guriev <nicholas@guriev.su>
Date: Tue, 19 Jul 2022 12:42:46 +0300
Subject: [PATCH] Extend template context in TemplateHTMLRenderer

 * Pass data as a whole.
 * Pass processing response.
 * Pass current view.
 * Request is always available in Django templates.

Actually, the data can be accessed trough the response, the request and
the response trough the view.
---
 rest_framework/renderers.py | 10 ++++++++--
 tests/test_renderers.py     |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index b74df9a0b..19539b7dd 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -169,10 +169,16 @@ class TemplateHTMLRenderer(BaseRenderer):
         return loader.select_template(template_names)
 
     def get_template_context(self, data, renderer_context):
+        result = {k: renderer_context[k] for k in ('request', 'response', 'view')}
+        result['data'] = data
+        try:
+            result.update(data)  # for compatibility
+        except TypeError:
+            pass
         response = renderer_context['response']
         if response.exception:
-            data['status_code'] = response.status_code
-        return data
+            result['status_code'] = response.status_code
+        return result
 
     def get_template_names(self, response, view):
         if response.template_name:
diff --git a/tests/test_renderers.py b/tests/test_renderers.py
index 8271608e1..8bbd32524 100644
--- a/tests/test_renderers.py
+++ b/tests/test_renderers.py
@@ -615,6 +615,7 @@ class StaticHTMLRendererTests(TestCase):
 
     def test_static_renderer_with_exception(self):
         context = {
+            'view': APIView(),
             'response': Response(status=500, exception=True),
             'request': Request(HttpRequest())
         }