From e0c2e6fdc29814e7181d8d0ed34c7e23ee078852 Mon Sep 17 00:00:00 2001
From: qqii <QiruiChen97@gmail.com>
Date: Thu, 5 Jun 2025 18:08:03 +0100
Subject: [PATCH] Add missing decorator: versioning_class

---
 rest_framework/decorators.py | 10 ++++++++++
 tests/test_decorators.py     | 14 +++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/rest_framework/decorators.py b/rest_framework/decorators.py
index 864ff7395..d84525585 100644
--- a/rest_framework/decorators.py
+++ b/rest_framework/decorators.py
@@ -70,6 +70,9 @@ def api_view(http_method_names=None):
         WrappedAPIView.permission_classes = getattr(func, 'permission_classes',
                                                     APIView.permission_classes)
 
+        WrappedAPIView.versioning_class = getattr(func, "versioning_class",
+                                                  APIView.versioning_class)
+
         WrappedAPIView.schema = getattr(func, 'schema',
                                         APIView.schema)
 
@@ -113,6 +116,13 @@ def permission_classes(permission_classes):
     return decorator
 
 
+def versioning_class(versioning_class):
+    def decorator(func):
+        func.versioning_class = versioning_class
+        return func
+    return decorator
+
+
 def schema(view_inspector):
     def decorator(func):
         func.schema = view_inspector
diff --git a/tests/test_decorators.py b/tests/test_decorators.py
index 8d0805cbb..9cc6c41e3 100644
--- a/tests/test_decorators.py
+++ b/tests/test_decorators.py
@@ -7,7 +7,8 @@ from rest_framework import status
 from rest_framework.authentication import BasicAuthentication
 from rest_framework.decorators import (
     action, api_view, authentication_classes, parser_classes,
-    permission_classes, renderer_classes, schema, throttle_classes
+    permission_classes, renderer_classes, schema, throttle_classes,
+    versioning_class
 )
 from rest_framework.parsers import JSONParser
 from rest_framework.permissions import IsAuthenticated
@@ -16,6 +17,7 @@ from rest_framework.response import Response
 from rest_framework.schemas import AutoSchema
 from rest_framework.test import APIRequestFactory
 from rest_framework.throttling import UserRateThrottle
+from rest_framework.versioning import QueryParameterVersioning
 from rest_framework.views import APIView
 
 
@@ -150,6 +152,16 @@ class DecoratorTestCase(TestCase):
         response = view(request)
         assert response.status_code == status.HTTP_429_TOO_MANY_REQUESTS
 
+    def test_versioning_class(self):
+        @api_view(["GET"])
+        @versioning_class(QueryParameterVersioning)
+        def view(request):
+            return Response({"version": request.version})
+
+        request = self.factory.get("/?version=1.2.3")
+        response = view(request)
+        assert response.data == {"version": "1.2.3"}
+
     def test_schema(self):
         """
         Checks CustomSchema class is set on view