Python: Add class based route handler in django tests

Disabled CSRF middleware for now, since it blocked my debugging curl POST requests :(

python/ql/test/experimental/library-tests/frameworks/django-v2-v3/testapp/urls.py

@@ -12,4 +12,7 @@ urlpatterns = [
     # line)
     re_path(r"^ba[rz]/", views.bar_baz),  # $routeSetup="^ba[rz]/"
     url(r"^deprecated/", views.deprecated),  # $routeSetup="^deprecated/"
+
+    path("basic-view-handler/", views.MyBasicViewHandler.as_view()),  # $routeSetup="basic-view-handler/"
+    path("custom-inheritance-view-handler/", views.MyViewHandlerWithCustomInheritance.as_view()),  # $routeSetup="custom-inheritance-view-handler/"
 ]

python/ql/test/experimental/library-tests/frameworks/django-v2-v3/testapp/views.py

@@ -1,10 +1,33 @@
 from django.http import HttpRequest, HttpResponse
+from django.views import View
+from django.views.decorators.csrf import csrf_exempt
+
 
 def foo(request: HttpRequest):  # $routeHandler
     return HttpResponse("foo")  # $HttpResponse
 
+
 def bar_baz(request: HttpRequest):  # $routeHandler
     return HttpResponse("bar_baz")  # $HttpResponse
 
+
 def deprecated(request: HttpRequest):  # $routeHandler
     return HttpResponse("deprecated")  # $HttpResponse
+
+
+class MyBasicViewHandler(View):
+    def get(self, request: HttpRequest): # $ MISSING: routeHandler
+        return HttpResponse("MyViewHandler: GET") # $ HttpResponse
+
+    def post(self, request: HttpRequest): # $ MISSING: routeHandler
+        return HttpResponse("MyViewHandler: POST") # $ HttpResponse
+
+
+class MyCustomViewBaseClass(View):
+    def post(self, request: HttpRequest): # $ MISSING: routeHandler
+        return HttpResponse("MyCustomViewBaseClass: POST") # $ HttpResponse
+
+
+class MyViewHandlerWithCustomInheritance(MyCustomViewBaseClass):
+    def get(self, request: HttpRequest): # $ MISSING: routeHandler
+        return HttpResponse("MyViewHandlerWithCustomInheritance: GET") # $ HttpResponse

python/ql/test/experimental/library-tests/frameworks/django-v2-v3/testproj/settings.py

@@ -44,7 +44,7 @@ MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
+    # 'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',