Use get_serializer_class for Views without serlaizer_class attribute

Author: EmadMokhtar

rest_framework_docs/api_endpoint.py

@@ -37,22 +37,27 @@ def __get_permissions_class__(self):
 
     def __get_serializer_fields__(self):
         fields = []
+        serializer = None
 
-        if hasattr(self.callback.cls, 'serializer_class') and hasattr(self.callback.cls.serializer_class, 'get_fields'):
+        if hasattr(self.callback.cls, 'serializer_class'):
             serializer = self.callback.cls.serializer_class
-            if hasattr(serializer, 'get_fields'):
-                try:
-                    fields = [{
-                        "name": key,
-                        "type": str(field.__class__.__name__),
-                        "required": field.required
-                    } for key, field in serializer().get_fields().items()]
-                except KeyError as e:
-                    self.errors = e
-                    fields = []
-
-                # FIXME:
-                # Show more attibutes of `field`?
+
+        elif hasattr(self.callback.cls, 'get_serializer_class'):
+            serializer = self.callback.cls.get_serializer_class(self.callback.cls)
+
+        if hasattr(serializer, 'get_fields'):
+            try:
+                fields = [{
+                    "name": key,
+                    "type": str(field.__class__.__name__),
+                    "required": field.required
+                } for key, field in serializer().get_fields().items()]
+            except KeyError as e:
+                self.errors = e
+                fields = []
+
+            # FIXME:
+            # Show more attibutes of `field`?
 
         return fields
 

tests/tests.py

@@ -27,7 +27,7 @@ def test_index_view_with_endpoints(self):
         response = self.client.get(reverse('drfdocs'))
 
         self.assertEqual(response.status_code, 200)
-        self.assertEqual(len(response.context["endpoints"]), 10)
+        self.assertEqual(len(response.context["endpoints"]), 11)
 
         # Test the login view
         self.assertEqual(response.context["endpoints"][0].name_parent, "accounts")
@@ -38,8 +38,16 @@ def test_index_view_with_endpoints(self):
         self.assertEqual(response.context["endpoints"][0].fields[0]["type"], "CharField")
         self.assertTrue(response.context["endpoints"][0].fields[0]["required"])
 
+        self.assertEqual(response.context["endpoints"][1].name_parent, "accounts")
+        self.assertEqual(response.context["endpoints"][1].allowed_methods, ['POST', 'OPTIONS'])
+        self.assertEqual(response.context["endpoints"][1].path, "/accounts/login2/")
+        self.assertEqual(response.context["endpoints"][1].docstring, "A view that allows users to login providing their username and password. Without serializer_class")
+        self.assertEqual(len(response.context["endpoints"][1].fields), 2)
+        self.assertEqual(response.context["endpoints"][1].fields[0]["type"], "CharField")
+        self.assertTrue(response.context["endpoints"][1].fields[0]["required"])
+
         # The view "OrganisationErroredView" (organisations/(?P<slug>[\w-]+)/errored/) should contain an error.
-        self.assertEqual(str(response.context["endpoints"][8].errors), "'test_value'")
+        self.assertEqual(str(response.context["endpoints"][9].errors), "'test_value'")
 
     def test_index_search_with_endpoints(self):
         response = self.client.get("%s?search=reset-password" % reverse("drfdocs"))

tests/urls.py

@@ -6,6 +6,7 @@
 
 accounts_urls = [
     url(r'^login/$', views.LoginView.as_view(), name="login"),
+    url(r'^login2/$', views.LoginWithSerilaizerClassView.as_view(), name="login2"),
     url(r'^register/$', views.UserRegistrationView.as_view(), name="register"),
     url(r'^reset-password/$', view=views.PasswordResetView.as_view(), name="reset-password"),
     url(r'^reset-password/confirm/$', views.PasswordResetConfirmView.as_view(), name="reset-password-confirm"),

tests/views.py

@@ -111,3 +111,24 @@ def delete(self, request, *args, **kwargs):
 class OrganisationErroredView(generics.ListAPIView):
 
     serializer_class = serializers.OrganisationErroredSerializer
+
+
+class LoginWithSerilaizerClassView(APIView):
+    """
+    A view that allows users to login providing their username and password. Without serializer_class
+    """
+
+    throttle_classes = ()
+    permission_classes = ()
+    parser_classes = (parsers.FormParser, parsers.MultiPartParser, parsers.JSONParser,)
+    renderer_classes = (renderers.JSONRenderer,)
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        user = serializer.validated_data['user']
+        token, created = Token.objects.get_or_create(user=user)
+        return Response({'token': token.key})
+
+    def get_serializer_class(self):
+        return AuthTokenSerializer