Python: Add examples of class/function based views

python/ql/test/library-tests/frameworks/rest_framework/testapp/urls.py

@@ -11,5 +11,6 @@ router.register(r"bars", views.BarViewSet)
 urlpatterns = [
     path("", include(router.urls)),
     path("api-auth/", include("rest_framework.urls", namespace="rest_framework")),
-    path("example/", views.example),  # $routeSetup="example/"
+    path("class-based-view/", views.MyClass.as_view()),  # $routeSetup="lcass-based-view/"
+    path("function-based-view/", views.function_based_view),  # $routeSetup="function-based-view/"
 ]

python/ql/test/library-tests/frameworks/rest_framework/testapp/views.py

@@ -2,8 +2,13 @@ from .models import Foo, Bar
 from .serializers import FooSerializer, BarSerializer
 
 from rest_framework import viewsets
+from rest_framework.decorators import api_view
+from rest_framework.views import APIView
+from rest_framework.request import Request
+from rest_framework.response import Response
 
-
+# Viewsets
+# see https://www.django-rest-framework.org/tutorial/quickstart/
 class FooViewSet(viewsets.ModelViewSet):
     queryset = Foo.objects.all()
     serializer_class = FooSerializer
@@ -13,8 +18,25 @@ class BarViewSet(viewsets.ModelViewSet):
     queryset = Bar.objects.all()
     serializer_class = BarSerializer
 
+# class based view
+# see https://www.django-rest-framework.org/api-guide/views/#class-based-views
 
-# this is pure django
-from django.http import HttpResponse, HttpRequest
-def example(request: HttpRequest):
-    return HttpResponse("example")
+class MyClass(APIView):
+    def initial(self, request, *args, **kwargs):
+        # this method will be called before processing any request
+        super().initial(request, *args, **kwargs)
+
+    def get(self, request):
+        return Response("GET request")
+
+    def post(self, request):
+        return Response("POST request")
+
+
+# function based view
+# see https://www.django-rest-framework.org/api-guide/views/#function-based-views
+
+
+@api_view(["GET", "POST"])
+def function_based_view(request: Request):
+    return Response({"message": "Hello, world!"})