Use shorter super call and do not inherit from object.

resolves #7

demo/app.py

@@ -36,7 +36,7 @@ class CatSerializer(BaseSerializer):
     breed = RawField("official breed name")
 
 
-class V1(object):
+class V1():
     class Cat(RetrieveUpdateDeleteAPI):
         """
         Single cat identified by its id

src/graceful/fields.py

@@ -4,7 +4,7 @@
 from graceful.validators import min_validator, max_validator
 
 
-class BaseField(object):
+class BaseField():
     """
     Base field class for subclassing. To create new field type
     subclass `BaseField` and implement following methods:
@@ -115,7 +115,7 @@ def describe(self, **kwargs):
 
             class DummyField(BaseField):
                def description(self, **kwargs):
-                   super(DummyParam, self).describe(is_dummy=True, **kwargs)
+                   super().describe(is_dummy=True, **kwargs)
 
         """
         description = {
@@ -222,7 +222,7 @@ def __init__(
             representations=None,
             **kwargs
     ):
-        super(BoolField, self).__init__(details, **kwargs)
+        super().__init__(details, **kwargs)
 
         if representations:
             # could not resist...
@@ -272,7 +272,7 @@ def __init__(
             min_value=None,
             **kwargs
     ):
-        super(IntField, self).__init__(details, **kwargs)
+        super().__init__(details, **kwargs)
 
         self.max_value = max_value
         self.min_value = min_value
@@ -313,7 +313,7 @@ def __init__(
             min_value=None,
             **kwargs
     ):
-        super(FloatField, self).__init__(details, **kwargs)
+        super().__init__(details, **kwargs)
 
         self.max_value = max_value
         self.min_value = min_value

src/graceful/parameters.py

@@ -135,7 +135,7 @@ def describe(self, **kwargs):
 
             class DummyParam(BaseParam):
                def description(self, **kwargs):
-                   super(DummyParam, self).describe(is_dummy=True, **kwargs)
+                   super().describe(is_dummy=True, **kwargs)
 
         """
 

src/graceful/resources/base.py

@@ -64,14 +64,14 @@ def _get_params(mcs, bases, namespace):
     def __new__(mcs, name, bases, namespace):
         namespace[mcs._params_storage_key] = mcs._get_params(bases, namespace)
 
-        return super(MetaResource, mcs).__new__(
+        return super().__new__(
             # note: there is no need preserve order in namespace anymore so
             # we convert it explicitely to dict
             mcs, name, bases, dict(namespace)
         )
 
 
-class BaseResource(object, metaclass=MetaResource):
+class BaseResource(metaclass=MetaResource):
     """
     Base Resouce class for handling resource responses, parameter
     deserialization and validation of request included representations if
@@ -154,7 +154,7 @@ def describe(self, req, resp, **kwargs):
 
              class SomeResource(BaseResource):
                  def describe(req, resp, **kwargs):
-                     return super(SomeResource, self).describe(
+                     return super().describe(
                          req, resp, type='list', **kwargs
                       )
 

src/graceful/resources/generic.py

@@ -73,7 +73,7 @@ class RetrieveAPI(RetrieveMixin, BaseResource):
     serializer = None
 
     def describe(self, req, resp, **kwargs):
-        return super(RetrieveAPI, self).describe(
+        return super().describe(
             req, resp,
             type='object',
             fields=self.serializer.describe() if self.serializer else None,
@@ -86,7 +86,7 @@ def _retrieve(self, params, meta, **kwargs):
         )
 
     def on_get(self, req, resp, **kwargs):
-        return super(RetrieveAPI, self).on_get(
+        return super().on_get(
             req, resp, handler=self._retrieve, **kwargs
         )
 
@@ -111,7 +111,7 @@ def _update(self, params, meta, **kwargs):
 
     def on_put(self, req, resp, **kwargs):
         validated = self.require_validated(req)
-        return super(RetrieveUpdateAPI, self).on_put(
+        return super().on_put(
             req, resp,
             handler=partial(self._update, validated=validated),
             **kwargs
@@ -152,15 +152,15 @@ def _list(self, params, meta, **kwargs):
         ]
 
     def describe(self, req, resp, **kwargs):
-        return super(ListAPI, self).describe(
+        return super().describe(
             req, resp,
             type='list',
             fields=self.serializer.describe() if self.serializer else None,
             **kwargs
         )
 
     def on_get(self, req, resp, **kwargs):
-        return super(ListAPI, self).on_get(req, resp, handler=self._list)
+        return super().on_get(req, resp, handler=self._list)
 
 
 class ListCreateAPI(CreateMixin, ListAPI):
@@ -184,7 +184,7 @@ def _create(self, params, meta, **kwargs):
     def on_post(self, req, resp, **kwargs):
         validated = self.require_validated(req)
 
-        return super(ListCreateAPI, self).on_post(
+        return super().on_post(
             req, resp,
             handler=partial(self._create, validated=validated),
             **kwargs
@@ -205,7 +205,7 @@ class PaginatedListAPI(PaginatedMixin, ListAPI):
 
     """
     def _list(self, params, meta, **kwargs):
-        objects = super(PaginatedListAPI, self)._list(params, meta, **kwargs)
+        objects = super()._list(params, meta, **kwargs)
         # note: we need to populate meta after objects are retrieved
         self.add_pagination_meta(params, meta)
         return objects
@@ -227,7 +227,7 @@ class PaginatedListCreateAPI(PaginatedMixin, ListCreateAPI):
 
     """
     def _list(self, params, meta, **kwargs):
-        objects = super(PaginatedListCreateAPI, self)._list(
+        objects = super()._list(
             params, meta, **kwargs
         )
         # note: we need to populate meta after objects are retrieved

src/graceful/serializers.py

@@ -55,14 +55,14 @@ def _get_fields(mcs, bases, namespace):
 
     def __new__(mcs, name, bases, namespace):
         namespace[mcs._fields_storage_key] = mcs._get_fields(bases, namespace)
-        return super(MetaSerializer, mcs).__new__(
+        return super().__new__(
             # note: there is no need preserve order in namespace anymore so
             # we convert it explicitely to dict
             mcs, name, bases, dict(namespace)
         )
 
 
-class BaseSerializer(object, metaclass=MetaSerializer):
+class BaseSerializer(metaclass=MetaSerializer):
     """
     Base serializer class for describing internal object serialization