Merge branch 'master' into form_mutations

# Conflicts:
#	graphene_django/forms/converter.py
#	graphene_django/forms/tests/test_converter.py

.travis.yml

@@ -11,6 +11,9 @@ install:
     pip install -e .[test]
     pip install psycopg2 # Required for Django postgres fields testing
     pip install django==$DJANGO_VERSION
+    if (($(echo "$DJANGO_VERSION <= 1.9" | bc -l))); then # DRF dropped 1.8 and 1.9 support at 3.7.0
+      pip install djangorestframework==3.6.4
+    fi
     python setup.py develop
   elif [ "$TEST_TYPE" = lint ]; then
     pip install flake8

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-Present Syrus Akbary
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

MANIFEST.in

@@ -1,2 +1,2 @@
-include README.md
+include README.md LICENSE
 recursive-include graphene_django/templates *

README.md

@@ -9,10 +9,10 @@ A [Django](https://www.djangoproject.com/) integration for [Graphene](http://gra
 
 ## Installation
 
-For instaling graphene, just run this command in your shell
+For installing graphene, just run this command in your shell
 
 ```bash
-pip install "graphene-django>=2.0.dev"
+pip install "graphene-django>=2.0"
 ```
 
 ### Settings
@@ -67,8 +67,7 @@ class User(DjangoObjectType):
 class Query(graphene.ObjectType):
     users = graphene.List(User)
 
-    @graphene.resolve_only_args
+    def resolve_users(self, info):
-    def resolve_users(self):
         return UserModel.objects.all()
 
 schema = graphene.Schema(query=Query)

README.rst

@@ -13,11 +13,11 @@ A `Django <https://www.djangoproject.com/>`__ integration for
 Installation
 ------------
 
-For instaling graphene, just run this command in your shell
+For installing graphene, just run this command in your shell
 
 .. code:: bash
 
-    pip install "graphene-django>=2.0.dev"
+    pip install "graphene-django>=2.0"
 
 Settings
 ~~~~~~~~

django_test_settings.py

@@ -8,6 +8,7 @@ SECRET_KEY = 1
 
 INSTALLED_APPS = [
     'graphene_django',
+    'graphene_django.rest_framework',
     'graphene_django.tests',
     'starwars',
 ]

docs/authorization.rst

@@ -34,7 +34,7 @@ This is easy, simply use the ``only_fields`` meta attribute.
             only_fields = ('title', 'content')
             interfaces = (relay.Node, )
 
-conversely you can use ``exclude_fields`` meta atrribute.
+conversely you can use ``exclude_fields`` meta attribute.
 
 .. code:: python
 
@@ -61,7 +61,7 @@ define a resolve method for that field and return the desired queryset.
     from .models import Post
 
     class Query(ObjectType):
-        all_posts = DjangoFilterConnectionField(CategoryNode)
+        all_posts = DjangoFilterConnectionField(PostNode)
 
         def resolve_all_posts(self, args, info):
             return Post.objects.filter(published=True)
@@ -79,14 +79,14 @@ with the context argument.
     from .models import Post
 
     class Query(ObjectType):
-        my_posts = DjangoFilterConnectionField(CategoryNode)
+        my_posts = DjangoFilterConnectionField(PostNode)
 
-        def resolve_my_posts(self, args, context, info):
+        def resolve_my_posts(self, info):
             # context will reference to the Django request
-            if not context.user.is_authenticated():
+            if not info.context.user.is_authenticated():
                 return Post.objects.none()
             else:
-                return Post.objects.filter(owner=context.user)
+                return Post.objects.filter(owner=info.context.user)
 
 If you're using your own view, passing the request context into the
 schema is simple.

docs/filtering.rst

@@ -126,3 +126,23 @@ create your own ``Filterset`` as follows:
         # We specify our custom AnimalFilter using the filterset_class param
         all_animals = DjangoFilterConnectionField(AnimalNode,
                                                   filterset_class=AnimalFilter)
+
+The context argument is passed on as the `request argument <http://django-filter.readthedocs.io/en/latest/guide/usage.html#request-based-filtering>`__
+in a ``django_filters.FilterSet`` instance. You can use this to customize your
+filters to be context-dependent. We could modify the ``AnimalFilter`` above to
+pre-filter animals owned by the authenticated user (set in ``context.user``).
+
+.. code:: python
+
+    class AnimalFilter(django_filters.FilterSet):
+        # Do case-insensitive lookups on 'name'
+        name = django_filters.CharFilter(lookup_type='iexact')
+
+        class Meta:
+            model = Animal
+            fields = ['name', 'genus', 'is_domesticated']
+
+        @property
+        def qs(self):
+            # The query context can be found in self.request.
+            return super(AnimalFilter, self).qs.filter(owner=self.request.user)

docs/requirements.txt

@@ -1,3 +1,3 @@
 sphinx
 # Docs template
-https://github.com/graphql-python/graphene-python.org/archive/docs.zip
+http://graphene-python.org/sphinx_graphene_theme.zip

docs/rest-framework.rst

@@ -19,3 +19,50 @@ You can create a Mutation based on a serializer by using the
         class Meta:
             serializer_class = MySerializer
 
+Create/Update Operations
+---------------------
+
+By default ModelSerializers accept create and update operations. To
+customize this use the `model_operations` attribute. The update
+operation looks up models by the primary key by default. You can
+customize the look up with the lookup attribute.
+
+Other default attributes:
+
+`partial = False`: Accept updates without all the input fields.
+
+.. code:: python
+
+    from graphene_django.rest_framework.mutation import SerializerMutation
+
+    class AwesomeModelMutation(SerializerMutation):
+        class Meta:
+            serializer_class = MyModelSerializer
+            model_operations = ['create', 'update']
+            lookup_field = 'id'
+
+Overriding Update Queries
+-------------------------
+
+Use the method `get_serializer_kwargs` to override how
+updates are applied.
+
+.. code:: python
+
+    from graphene_django.rest_framework.mutation import SerializerMutation
+
+    class AwesomeModelMutation(SerializerMutation):
+        class Meta:
+            serializer_class = MyModelSerializer
+
+        @classmethod
+        def get_serializer_kwargs(cls, root, info, **input):
+            if 'id' in input:
+                instance = Post.objects.filter(id=input['id'], owner=info.context.user).first()
+                if instance:
+                    return {'instance': instance, 'data': input, 'partial': True}
+
+                else:
+                    raise http.Http404
+
+            return {'data': input, 'partial': True}

docs/tutorial-plain.rst

@@ -8,14 +8,14 @@ Our primary focus here is to give a good understanding of how to connect models
 
 A good idea is to check the `graphene <http://docs.graphene-python.org/en/latest/>`__ documentation first.
 
-Setup the Django project
+Set up the Django project
-------------------------
+-------------------------
 
 You can find the entire project in ``examples/cookbook-plain``.
 
 ----
 
-We will setup the project, create the following:
+We will set up the project, create the following:
 
 -  A Django project called ``cookbook``
 -  An app within ``cookbook`` called ``ingredients``
@@ -68,7 +68,8 @@ Let's get started with these models:
     class Ingredient(models.Model):
         name = models.CharField(max_length=100)
         notes = models.TextField()
-        category = models.ForeignKey(Category, related_name='ingredients')
+        category = models.ForeignKey(Category, related_name='ingredients',
+           on_delete=models.CASCADE)
 
         def __str__(self):
             return self.name
@@ -80,7 +81,7 @@ Add ingredients as INSTALLED_APPS:
     INSTALLED_APPS = [
         ...
         # Install the ingredients app
-        'ingredients',
+        'cookbook.ingredients',
     ]
 
 Don't forget to create & run migrations:
@@ -153,7 +154,7 @@ Create ``cookbook/ingredients/schema.py`` and type the following:
             model = Ingredient
 
 
-    class Query(graphene.AbstractType):
+    class Query(object):
         all_categories = graphene.List(CategoryType)
         all_ingredients = graphene.List(IngredientType)
 
@@ -426,7 +427,7 @@ We can update our schema to support that, by adding new query for ``ingredient``
           model = Ingredient
 
 
-  class Query(graphene.AbstractType):
+  class Query(object):
       category = graphene.Field(CategoryType,
                                 id=graphene.Int(),
                                 name=graphene.String())
@@ -445,8 +446,8 @@ We can update our schema to support that, by adding new query for ``ingredient``
           return Ingredient.objects.all()
 
       def resolve_category(self, info, **kwargs):
-          id = kargs.get('id')
+          id = kwargs.get('id')
-          name = kargs.get('name')
+          name = kwargs.get('name')
 
           if id is not None:
               return Category.objects.get(pk=id)
@@ -457,8 +458,8 @@ We can update our schema to support that, by adding new query for ``ingredient``
           return None
 
       def resolve_ingredient(self, info, **kwargs):
-          id = kargs.get('id')
+          id = kwargs.get('id')
-          name = kargs.get('name')
+          name = kwargs.get('name')
 
           if id is not None:
               return Ingredient.objects.get(pk=id)

docs/tutorial-relay.rst

@@ -118,7 +118,7 @@ Create ``cookbook/ingredients/schema.py`` and type the following:
 .. code:: python
 
     # cookbook/ingredients/schema.py
-    from graphene import relay, ObjectType, AbstractType
+    from graphene import relay, ObjectType
     from graphene_django import DjangoObjectType
     from graphene_django.filter import DjangoFilterConnectionField
 
@@ -147,7 +147,7 @@ Create ``cookbook/ingredients/schema.py`` and type the following:
             interfaces = (relay.Node, )
 
 
-    class Query(AbstractType):
+    class Query(object):
         category = relay.Node.Field(CategoryNode)
         all_categories = DjangoFilterConnectionField(CategoryNode)
 

examples/cookbook-plain/README.md

@@ -60,5 +60,5 @@ Now you should be ready to start the server:
 Now head on over to
 [http://127.0.0.1:8000/graphql](http://127.0.0.1:8000/graphql)
 and run some queries!
-(See the [Graphene-Django Tutorial](http://docs.graphene-python.org/projects/django/en/latest/tutorial#testing-our-graphql-schema)
+(See the [Graphene-Django Tutorial](http://docs.graphene-python.org/projects/django/en/latest/tutorial-plain/#testing-our-graphql-schema)
 for some example queries)

examples/cookbook-plain/cookbook/ingredients/schema.py

@@ -14,7 +14,7 @@ class IngredientType(DjangoObjectType):
         model = Ingredient
 
 
-class Query(graphene.AbstractType):
+class Query(object):
     category = graphene.Field(CategoryType,
                               id=graphene.Int(),
                               name=graphene.String())

examples/cookbook-plain/cookbook/recipes/schema.py

@@ -14,7 +14,7 @@ class RecipeIngredientType(DjangoObjectType):
         model = RecipeIngredient
 
 
-class Query(graphene.AbstractType):
+class Query(object):
     recipe = graphene.Field(RecipeType,
                             id=graphene.Int(),
                             title=graphene.String())

examples/cookbook-plain/requirements.txt

@@ -1,4 +1,4 @@
 graphene
 graphene-django
-graphql-core
+graphql-core>=2.1rc1
 django==1.9

examples/cookbook/README.md

@@ -60,5 +60,5 @@ Now you should be ready to start the server:
 Now head on over to
 [http://127.0.0.1:8000/graphql](http://127.0.0.1:8000/graphql)
 and run some queries!
-(See the [Graphene-Django Tutorial](http://docs.graphene-python.org/projects/django/en/latest/tutorial#testing-our-graphql-schema)
+(See the [Graphene-Django Tutorial](http://docs.graphene-python.org/projects/django/en/latest/tutorial-plain/#testing-our-graphql-schema)
 for some example queries)

examples/cookbook/cookbook/ingredients/schema.py

@@ -1,5 +1,5 @@
 from cookbook.ingredients.models import Category, Ingredient
-from graphene import AbstractType, Node
+from graphene import Node
 from graphene_django.filter import DjangoFilterConnectionField
 from graphene_django.types import DjangoObjectType
 
@@ -28,7 +28,7 @@ class IngredientNode(DjangoObjectType):
         }
 
 
-class Query(AbstractType):
+class Query(object):
     category = Node.Field(CategoryNode)
     all_categories = DjangoFilterConnectionField(CategoryNode)
 

examples/cookbook/cookbook/recipes/schema.py

@@ -1,5 +1,5 @@
 from cookbook.recipes.models import Recipe, RecipeIngredient
-from graphene import AbstractType, Node
+from graphene import Node
 from graphene_django.filter import DjangoFilterConnectionField
 from graphene_django.types import DjangoObjectType
 
@@ -24,7 +24,7 @@ class RecipeIngredientNode(DjangoObjectType):
         }
 
 
-class Query(AbstractType):
+class Query(object):
     recipe = Node.Field(RecipeNode)
     all_recipes = DjangoFilterConnectionField(RecipeNode)
 

examples/cookbook/requirements.txt

@@ -1,5 +1,5 @@
 graphene
 graphene-django
-graphql-core
+graphql-core>=2.1rc1
 django==1.9
 django-filter==0.11.0

graphene_django/__init__.py

@@ -5,7 +5,7 @@ from .fields import (
     DjangoConnectionField,
 )
 
-__version__ = '2.0.dev2017083101'
+__version__ = '2.0.1'
 
 __all__ = [
     '__version__',

graphene_django/converter.py

@@ -3,7 +3,7 @@ from django.utils.encoding import force_text
 
 from graphene import (ID, Boolean, Dynamic, Enum, Field, Float, Int, List,
                       NonNull, String, UUID)
-from graphene.types.datetime import DateTime, Time
+from graphene.types.datetime import DateTime, Date, Time
 from graphene.types.json import JSONString
 from graphene.utils.str_converters import to_camel_case, to_const
 from graphql import assert_valid_name
@@ -40,6 +40,10 @@ def get_choices(choices):
 
 
 def convert_django_field_with_choices(field, registry=None):
+    if registry is not None:
+        converted = registry.get_converted_field(field)
+        if converted:
+            return converted
     choices = getattr(field, 'choices', None)
     if choices:
         meta = field.model._meta
@@ -55,8 +59,12 @@ def convert_django_field_with_choices(field, registry=None):
                 return named_choices_descriptions[self.name]
 
         enum = Enum(name, list(named_choices), type=EnumWithDescriptionsType)
-        return enum(description=field.help_text, required=not field.null)
+        converted = enum(description=field.help_text, required=not field.null)
-    return convert_django_field(field, registry)
+    else:
+        converted = convert_django_field(field, registry)
+    if registry is not None:
+        registry.register_converted_field(field, converted)
+    return converted
 
 
 @singledispatch
@@ -113,9 +121,14 @@ def convert_field_to_float(field, registry=None):
     return Float(description=field.help_text, required=not field.null)
 
 
+@convert_django_field.register(models.DateTimeField)
+def convert_datetime_to_string(field, registry=None):
+    return DateTime(description=field.help_text, required=not field.null)
+
+
 @convert_django_field.register(models.DateField)
 def convert_date_to_string(field, registry=None):
-    return DateTime(description=field.help_text, required=not field.null)
+    return Date(description=field.help_text, required=not field.null)
 
 
 @convert_django_field.register(models.TimeField)

graphene_django/fields.py

@@ -116,7 +116,7 @@ class DjangoConnectionField(ConnectionField):
             if last:
                 assert last <= max_limit, (
                     'Requesting {} records on the `{}` connection exceeds the `last` limit of {} records.'
-                ).format(first, info.field_name, max_limit)
+                ).format(last, info.field_name, max_limit)
                 args['last'] = min(last, max_limit)
 
         iterable = resolver(root, info, **args)

graphene_django/filter/fields.py

@@ -43,8 +43,8 @@ class DjangoFilterConnectionField(DjangoConnectionField):
     def filtering_args(self):
         return get_filtering_args_from_filterset(self.filterset_class, self.node_type)
 
-    @staticmethod
+    @classmethod
-    def merge_querysets(default_queryset, queryset):
+    def merge_querysets(cls, default_queryset, queryset):
         # There could be the case where the default queryset (returned from the filterclass)
         # and the resolver queryset have some limits on it.
         # We only would be able to apply one of those, but not both
@@ -61,7 +61,7 @@ class DjangoFilterConnectionField(DjangoConnectionField):
         low = default_queryset.query.low_mark or queryset.query.low_mark
         high = default_queryset.query.high_mark or queryset.query.high_mark
         default_queryset.query.clear_limits()
-        queryset = default_queryset & queryset
+        queryset = super(DjangoFilterConnectionField, cls).merge_querysets(default_queryset, queryset)
         queryset.query.set_limits(low, high)
         return queryset
 
@@ -72,7 +72,8 @@ class DjangoFilterConnectionField(DjangoConnectionField):
         filter_kwargs = {k: v for k, v in args.items() if k in filtering_args}
         qs = filterset_class(
             data=filter_kwargs,
-            queryset=default_manager.get_queryset()
+            queryset=default_manager.get_queryset(),
+            request=info.context
         ).qs
 
         return super(DjangoFilterConnectionField, cls).connection_resolver(

graphene_django/filter/filterset.py

@@ -57,7 +57,7 @@ class GrapheneFilterSetMixin(BaseFilterSet):
         Global IDs (the default implementation expects database
         primary keys)
         """
-        rel = f.field.rel
+        rel = f.field.remote_field if hasattr(f.field, 'remote_field') else f.field.rel
         default = {
             'name': name,
             'label': capfirst(rel.related_name)

graphene_django/filter/tests/test_fields.py

@@ -2,7 +2,7 @@ from datetime import datetime
 
 import pytest
 
-from graphene import Field, ObjectType, Schema, Argument, Float
+from graphene import Field, ObjectType, Schema, Argument, Float, Boolean, String
 from graphene.relay import Node
 from graphene_django import DjangoObjectType
 from graphene_django.forms import (GlobalIDFormField,
@@ -10,6 +10,10 @@ from graphene_django.forms import (GlobalIDFormField,
 from graphene_django.tests.models import Article, Pet, Reporter
 from graphene_django.utils import DJANGO_FILTER_INSTALLED
 
+# for annotation test
+from django.db.models import TextField, Value
+from django.db.models.functions import Concat
+
 pytestmark = []
 
 if DJANGO_FILTER_INSTALLED:
@@ -136,6 +140,48 @@ def test_filter_shortcut_filterset_extra_meta():
     assert 'headline' not in field.filterset_class.get_fields()
 
 
+def test_filter_shortcut_filterset_context():
+    class ArticleContextFilter(django_filters.FilterSet):
+
+        class Meta:
+            model = Article
+            exclude = set()
+
+        @property
+        def qs(self):
+            qs = super(ArticleContextFilter, self).qs
+            return qs.filter(reporter=self.request.reporter)
+
+    class Query(ObjectType):
+        context_articles = DjangoFilterConnectionField(ArticleNode, filterset_class=ArticleContextFilter)
+
+    r1 = Reporter.objects.create(first_name='r1', last_name='r1', email='r1@test.com')
+    r2 = Reporter.objects.create(first_name='r2', last_name='r2', email='r2@test.com')
+    Article.objects.create(headline='a1', pub_date=datetime.now(), pub_date_time=datetime.now(), reporter=r1, editor=r1)
+    Article.objects.create(headline='a2', pub_date=datetime.now(), pub_date_time=datetime.now(), reporter=r2, editor=r2)
+
+    class context(object):
+        reporter = r2
+
+    query = '''
+    query {
+        contextArticles {
+            edges {
+                node {
+                    headline
+                }
+            }
+        }
+    }
+    '''
+    schema = Schema(query=Query)
+    result = schema.execute(query, context_value=context())
+    assert not result.errors
+
+    assert len(result.data['contextArticles']['edges']) == 1
+    assert result.data['contextArticles']['edges'][0]['node']['headline'] == 'a2'
+
+
 def test_filter_filterset_information_on_meta():
     class ReporterFilterNode(DjangoObjectType):
 
@@ -199,8 +245,8 @@ def test_filter_filterset_related_results():
 
     r1 = Reporter.objects.create(first_name='r1', last_name='r1', email='r1@test.com')
     r2 = Reporter.objects.create(first_name='r2', last_name='r2', email='r2@test.com')
-    Article.objects.create(headline='a1', pub_date=datetime.now(), reporter=r1)
+    Article.objects.create(headline='a1', pub_date=datetime.now(), pub_date_time=datetime.now(), reporter=r1)
-    Article.objects.create(headline='a2', pub_date=datetime.now(), reporter=r2)
+    Article.objects.create(headline='a2', pub_date=datetime.now(), pub_date_time=datetime.now(), reporter=r2)
 
     query = '''
     query {
@@ -418,6 +464,7 @@ def test_should_query_filter_node_limit():
     Article.objects.create(
         headline='Article Node 1',
         pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
         reporter=r,
         editor=r,
         lang='es'
@@ -425,6 +472,7 @@ def test_should_query_filter_node_limit():
     Article.objects.create(
         headline='Article Node 2',
         pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
         reporter=r,
         editor=r,
         lang='en'
@@ -534,3 +582,135 @@ def test_should_query_filter_node_double_limit_raises():
     assert str(result.errors[0]) == (
         'Received two sliced querysets (high mark) in the connection, please slice only in one.'
     )
+
+def test_order_by_is_perserved():
+    class ReporterType(DjangoObjectType):
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+            filter_fields = ()
+
+    class Query(ObjectType):
+        all_reporters = DjangoFilterConnectionField(ReporterType, reverse_order=Boolean())
+
+        def resolve_all_reporters(self, info, reverse_order=False, **args):
+            reporters = Reporter.objects.order_by('first_name')
+
+            if reverse_order:
+                return reporters.reverse()
+                
+            return reporters
+
+    Reporter.objects.create(
+        first_name='b',
+    )
+    r = Reporter.objects.create(
+        first_name='a',
+    )
+
+    schema = Schema(query=Query)
+    query = '''
+        query NodeFilteringQuery {
+            allReporters(first: 1) {
+                edges {
+                    node {
+                        firstName
+                    }
+                }
+            }
+        }
+    '''
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'firstName': 'a',
+                }
+            }]
+        }
+    }
+
+    result = schema.execute(query)
+    assert not result.errors
+    assert result.data == expected
+
+
+    reverse_query = '''
+        query NodeFilteringQuery {
+            allReporters(first: 1, reverseOrder: true) {
+                edges {
+                    node {
+                        firstName
+                    }
+                }
+            }
+        }
+    '''
+
+    reverse_expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'firstName': 'b',
+                }
+            }]
+        }
+    }
+
+    reverse_result = schema.execute(reverse_query)
+
+    assert not reverse_result.errors
+    assert reverse_result.data == reverse_expected
+
+def test_annotation_is_perserved():
+    class ReporterType(DjangoObjectType):
+        full_name = String()
+        
+        def resolve_full_name(instance, info, **args):
+            return instance.full_name
+
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+            filter_fields = ()
+
+    class Query(ObjectType):
+        all_reporters = DjangoFilterConnectionField(ReporterType)
+
+        def resolve_all_reporters(self, info, **args):
+            return Reporter.objects.annotate(
+                full_name=Concat('first_name', Value(' '), 'last_name', output_field=TextField())
+            )
+
+    Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+    )
+
+    schema = Schema(query=Query)
+
+    query = '''
+        query NodeFilteringQuery {
+            allReporters(first: 1) {
+                edges {
+                    node {
+                        fullName
+                    }
+                }
+            }
+        }
+    '''
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'fullName': 'John Doe',
+                }
+            }]
+        }
+    }
+
+    result = schema.execute(query)
+
+    assert not result.errors
+    assert result.data == expected

graphene_django/forms/converter.py

@@ -1,17 +1,11 @@
 from django import forms
 from django.core.exceptions import ImproperlyConfigured
 
-import graphene
+from graphene import ID, Boolean, Float, Int, List, String, UUID, Date, DateTime, Time
 
 from .forms import GlobalIDFormField, GlobalIDMultipleChoiceField
 from ..utils import import_single_dispatch
 
-try:
-    UUIDField = forms.UUIDField
-except AttributeError:
-    class UUIDField(object):
-        pass
-
 
 singledispatch = import_single_dispatch()
 
@@ -34,54 +28,69 @@ def convert_form_field(field):
 @convert_form_field.register(forms.RegexField)
 @convert_form_field.register(forms.Field)
 def convert_form_field_to_string(field):
-    return graphene.String(description=field.help_text, required=field.required)
+    return String(description=field.help_text, required=field.required)
 
 
-@convert_form_field.register(UUIDField)
+@convert_form_field.register(forms.UUIDField)
 def convert_form_field_to_uuid(field):
-    return graphene.UUID(description=field.help_text, required=field.required)
+    return UUID(description=field.help_text, required=field.required)
 
 
 @convert_form_field.register(forms.IntegerField)
 @convert_form_field.register(forms.NumberInput)
 def convert_form_field_to_int(field):
-    return graphene.Int(description=field.help_text, required=field.required)
+    return Int(description=field.help_text, required=field.required)
 
 
 @convert_form_field.register(forms.BooleanField)
 def convert_form_field_to_boolean(field):
-    return graphene.Boolean(description=field.help_text, required=True)
+    return Boolean(description=field.help_text, required=True)
 
 
 @convert_form_field.register(forms.NullBooleanField)
 def convert_form_field_to_nullboolean(field):
-    return graphene.Boolean(description=field.help_text)
+    return Boolean(description=field.help_text)
 
 
 @convert_form_field.register(forms.DecimalField)
 @convert_form_field.register(forms.FloatField)
 def convert_form_field_to_float(field):
-    return graphene.Float(description=field.help_text, required=field.required)
+    return Float(description=field.help_text, required=field.required)
 
 
 @convert_form_field.register(forms.ModelMultipleChoiceField)
 @convert_form_field.register(GlobalIDMultipleChoiceField)
 def convert_form_field_to_list(field):
-    return graphene.List(graphene.ID, required=field.required)
+    return List(ID, required=field.required)
+
+
+@convert_form_field.register(forms.DateField)
+def convert_form_field_to_date(field):
+    return Date(description=field.help_text, required=field.required)
+
+
+@convert_form_field.register(forms.DateTimeField)
+def convert_form_field_to_datetime(field):
+    return DateTime(description=field.help_text, required=field.required)
+
+
+@convert_form_field.register(forms.TimeField)
+def convert_form_field_to_time(field):
+    return Time(description=field.help_text, required=field.required)
 
 
 @convert_form_field.register(forms.ModelChoiceField)
 @convert_form_field.register(GlobalIDFormField)
 def convert_form_field_to_id(field):
-    return graphene.ID(required=field.required)
+    return ID(required=field.required)
 
 
 @convert_form_field.register(forms.DateField)
 @convert_form_field.register(forms.DateTimeField)
 def convert_form_field_to_datetime(field):
-    return graphene.types.datetime.DateTime(description=field.help_text, required=field.required)
+    return DateTime(description=field.help_text, required=field.required)
 
 
 @convert_form_field.register(forms.TimeField)
 def convert_form_field_to_time(field):
-    return graphene.types.datetime.Time(description=field.help_text, required=field.required)
+    return Time(description=field.help_text, required=field.required)

graphene_django/forms/tests/test_converter.py

@@ -2,7 +2,7 @@ from django import forms
 from py.test import raises
 
 import graphene
-from graphene import ID, List, NonNull
+from graphene import String, Int, Boolean, Float, ID, UUID, List, NonNull, DateTime, Date, Time
 
 from ..converter import convert_form_field
 
@@ -22,71 +22,71 @@ def test_should_unknown_django_field_raise_exception():
     assert 'Don\'t know how to convert the Django form field' in str(excinfo.value)
 
 
-def test_should_date_convert_string():
+def test_should_date_convert_date():
-    assert_conversion(forms.DateField, graphene.types.datetime.DateTime)
+    assert_conversion(forms.DateField, Date)
 
 
-def test_should_time_convert_string():
+def test_should_time_convert_time():
-    assert_conversion(forms.TimeField, graphene.types.datetime.Time)
+    assert_conversion(forms.TimeField, Time)
 
 
-def test_should_date_time_convert_string():
+def test_should_date_time_convert_date_time():
-    assert_conversion(forms.DateTimeField, graphene.types.datetime.DateTime)
+    assert_conversion(forms.DateTimeField, DateTime)
 
 
 def test_should_char_convert_string():
-    assert_conversion(forms.CharField, graphene.String)
+    assert_conversion(forms.CharField, String)
 
 
 def test_should_email_convert_string():
-    assert_conversion(forms.EmailField, graphene.String)
+    assert_conversion(forms.EmailField, String)
 
 
 def test_should_slug_convert_string():
-    assert_conversion(forms.SlugField, graphene.String)
+    assert_conversion(forms.SlugField, String)
 
 
 def test_should_url_convert_string():
-    assert_conversion(forms.URLField, graphene.String)
+    assert_conversion(forms.URLField, String)
 
 
 def test_should_choice_convert_string():
-    assert_conversion(forms.ChoiceField, graphene.String)
+    assert_conversion(forms.ChoiceField, String)
 
 
 def test_should_base_field_convert_string():
-    assert_conversion(forms.Field, graphene.String)
+    assert_conversion(forms.Field, String)
 
 
 def test_should_regex_convert_string():
-    assert_conversion(forms.RegexField, graphene.String, '[0-9]+')
+    assert_conversion(forms.RegexField, String, '[0-9]+')
 
 
 def test_should_uuid_convert_string():
     if hasattr(forms, 'UUIDField'):
-        assert_conversion(forms.UUIDField, graphene.UUID)
+        assert_conversion(forms.UUIDField, UUID)
 
 
 def test_should_integer_convert_int():
-    assert_conversion(forms.IntegerField, graphene.Int)
+    assert_conversion(forms.IntegerField, Int)
 
 
 def test_should_boolean_convert_boolean():
-    field = assert_conversion(forms.BooleanField, graphene.Boolean)
+    field = assert_conversion(forms.BooleanField, Boolean)
     assert isinstance(field.type, NonNull)
 
 
 def test_should_nullboolean_convert_boolean():
-    field = assert_conversion(forms.NullBooleanField, graphene.Boolean)
+    field = assert_conversion(forms.NullBooleanField, Boolean)
     assert not isinstance(field.type, NonNull)
 
 
 def test_should_float_convert_float():
-    assert_conversion(forms.FloatField, graphene.Float)
+    assert_conversion(forms.FloatField, Float)
 
 
 def test_should_decimal_convert_float():
-    assert_conversion(forms.DecimalField, graphene.Float)
+    assert_conversion(forms.DecimalField, Float)
 
 
 def test_should_multiple_choice_convert_connectionorlist():
@@ -99,4 +99,4 @@ def test_should_multiple_choice_convert_connectionorlist():
 def test_should_manytoone_convert_connectionorlist():
     field = forms.ModelChoiceField(queryset=None)
     graphene_type = convert_form_field(field)
-    assert isinstance(graphene_type, graphene.ID)
+    assert isinstance(graphene_type, ID)

graphene_django/management/commands/graphql_schema.py

@@ -1,64 +1,34 @@
 import importlib
 import json
-from distutils.version import StrictVersion
-from optparse import make_option
 
-from django import get_version as get_django_version
 from django.core.management.base import BaseCommand, CommandError
 
 from graphene_django.settings import graphene_settings
 
-LT_DJANGO_1_8 = StrictVersion(get_django_version()) < StrictVersion('1.8')
 
-if LT_DJANGO_1_8:
+class CommandArguments(BaseCommand):
-    class CommandArguments(BaseCommand):
-        option_list = BaseCommand.option_list + (
-            make_option(
-                '--schema',
-                type=str,
-                dest='schema',
-                default='',
-                help='Django app containing schema to dump, e.g. myproject.core.schema.schema',
-            ),
-            make_option(
-                '--out',
-                type=str,
-                dest='out',
-                default='',
-                help='Output file (default: schema.json)'
-            ),
-            make_option(
-                '--indent',
-                type=int,
-                dest='indent',
-                default=None,
-                help='Output file indent (default: None)'
-            ),
-        )
-else:
-    class CommandArguments(BaseCommand):
 
-        def add_arguments(self, parser):
+    def add_arguments(self, parser):
-            parser.add_argument(
+        parser.add_argument(
-                '--schema',
+            '--schema',
-                type=str,
+            type=str,
-                dest='schema',
+            dest='schema',
-                default=graphene_settings.SCHEMA,
+            default=graphene_settings.SCHEMA,
-                help='Django app containing schema to dump, e.g. myproject.core.schema.schema')
+            help='Django app containing schema to dump, e.g. myproject.core.schema.schema')
 
-            parser.add_argument(
+        parser.add_argument(
-                '--out',
+            '--out',
-                type=str,
+            type=str,
-                dest='out',
+            dest='out',
-                default=graphene_settings.SCHEMA_OUTPUT,
+            default=graphene_settings.SCHEMA_OUTPUT,
-                help='Output file (default: schema.json)')
+            help='Output file (default: schema.json)')
 
-            parser.add_argument(
+        parser.add_argument(
-                '--indent',
+            '--indent',
-                type=int,
+            type=int,
-                dest='indent',
+            dest='indent',
-                default=graphene_settings.SCHEMA_INDENT,
+            default=graphene_settings.SCHEMA_INDENT,
-                help='Output file indent (default: None)')
+            help='Output file indent (default: None)')
 
 
 class Command(CommandArguments):

graphene_django/registry.py

@@ -3,7 +3,7 @@ class Registry(object):
 
     def __init__(self):
         self._registry = {}
-        self._registry_models = {}
+        self._field_registry = {}
 
     def register(self, cls):
         from .types import DjangoObjectType
@@ -20,6 +20,12 @@ class Registry(object):
     def get_type_for_model(self, model):
         return self._registry.get(model)
 
+    def register_converted_field(self, field, converted):
+        self._field_registry[field] = converted
+
+    def get_converted_field(self, field):
+        return self._field_registry.get(field)
+
 
 registry = None
 

graphene_django/rest_framework/models.py

@@ -0,0 +1,6 @@
+from django.db import models
+
+
+class MyFakeModel(models.Model):
+    cool_name = models.CharField(max_length=50)
+    created = models.DateTimeField(auto_now_add=True)

graphene_django/rest_framework/mutation.py

@@ -1,5 +1,7 @@
 from collections import OrderedDict
 
+from django.shortcuts import get_object_or_404
+
 import graphene
 from graphene.types import Field, InputField
 from graphene.types.mutation import MutationOptions
@@ -15,6 +17,9 @@ from .types import ErrorType
 
 
 class SerializerMutationOptions(MutationOptions):
+    lookup_field = None
+    model_class = None
+    model_operations = ['create', 'update']
     serializer_class = None
 
 
@@ -44,18 +49,34 @@ class SerializerMutation(ClientIDMutation):
     )
 
     @classmethod
-    def __init_subclass_with_meta__(cls, serializer_class=None,
+    def __init_subclass_with_meta__(cls, lookup_field=None,
+                                    serializer_class=None, model_class=None,
+                                    model_operations=['create', 'update'],
                                     only_fields=(), exclude_fields=(), **options):
 
         if not serializer_class:
             raise Exception('serializer_class is required for the SerializerMutation')
 
+        if 'update' not in model_operations and 'create' not in model_operations:
+            raise Exception('model_operations must contain "create" and/or "update"')
+
         serializer = serializer_class()
+        if model_class is None:
+            serializer_meta = getattr(serializer_class, 'Meta', None)
+            if serializer_meta:
+                model_class = getattr(serializer_meta, 'model', None)
+
+        if lookup_field is None and model_class:
+            lookup_field = model_class._meta.pk.name
+
         input_fields = fields_for_serializer(serializer, only_fields, exclude_fields, is_input=True)
         output_fields = fields_for_serializer(serializer, only_fields, exclude_fields, is_input=False)
 
         _meta = SerializerMutationOptions(cls)
+        _meta.lookup_field = lookup_field
+        _meta.model_operations = model_operations
         _meta.serializer_class = serializer_class
+        _meta.model_class = model_class
         _meta.fields = yank_fields_from_attrs(
             output_fields,
             _as=Field,
@@ -67,9 +88,35 @@ class SerializerMutation(ClientIDMutation):
         )
         super(SerializerMutation, cls).__init_subclass_with_meta__(_meta=_meta, input_fields=input_fields, **options)
 
+    @classmethod
+    def get_serializer_kwargs(cls, root, info, **input):
+        lookup_field = cls._meta.lookup_field
+        model_class = cls._meta.model_class
+
+        if model_class:
+            if 'update' in cls._meta.model_operations and lookup_field in input:
+                instance = get_object_or_404(model_class, **{
+                    lookup_field: input[lookup_field]})
+            elif 'create' in cls._meta.model_operations:
+                instance = None
+            else:
+                raise Exception(
+                    'Invalid update operation. Input parameter "{}" required.'.format(
+                        lookup_field
+                    ))
+
+            return {
+                'instance': instance,
+                'data': input,
+                'context': {'request': info.context}
+            }
+
+        return {'data': input, 'context': {'request': info.context}}
+
     @classmethod
     def mutate_and_get_payload(cls, root, info, **input):
-        serializer = cls._meta.serializer_class(data=input)
+        kwargs = cls.get_serializer_kwargs(root, info, **input)
+        serializer = cls._meta.serializer_class(**kwargs)
 
         if serializer.is_valid():
             return cls.perform_mutate(serializer, info)
@@ -84,4 +131,9 @@ class SerializerMutation(ClientIDMutation):
     @classmethod
     def perform_mutate(cls, serializer, info):
         obj = serializer.save()
-        return cls(errors=None, **obj)
+
+        kwargs = {}
+        for f, field in serializer.fields.items():
+            kwargs[f] = field.get_attribute(obj)
+
+        return cls(errors=None, **kwargs)

graphene_django/rest_framework/serializer_converter.py

@@ -46,6 +46,15 @@ def convert_serializer_field(field, is_input=True):
             global_registry = get_global_registry()
             field_model = field.Meta.model
             args = [global_registry.get_type_for_model(field_model)]
+    elif isinstance(field, serializers.ListSerializer):
+        field = field.child
+        if is_input:
+            kwargs['of_type'] = convert_serializer_to_input_type(field.__class__)
+        else:
+            del kwargs['of_type']
+            global_registry = get_global_registry()
+            field_model = field.Meta.model
+            args = [global_registry.get_type_for_model(field_model)]
 
     return graphql_type(*args, **kwargs)
 
@@ -75,6 +84,12 @@ def convert_serializer_to_field(field):
     return graphene.Field
 
 
+@get_graphene_type_from_serializer_field.register(serializers.ListSerializer)
+def convert_list_serializer_to_field(field):
+    child_type = get_graphene_type_from_serializer_field(field.child)
+    return (graphene.List, child_type)
+
+
 @get_graphene_type_from_serializer_field.register(serializers.IntegerField)
 def convert_serializer_field_to_int(field):
     return graphene.Int
@@ -92,9 +107,13 @@ def convert_serializer_field_to_float(field):
 
 
 @get_graphene_type_from_serializer_field.register(serializers.DateTimeField)
+def convert_serializer_field_to_datetime_time(field):
+    return graphene.types.datetime.DateTime
+
+
 @get_graphene_type_from_serializer_field.register(serializers.DateField)
 def convert_serializer_field_to_date_time(field):
-    return graphene.types.datetime.DateTime
+    return graphene.types.datetime.Date
 
 
 @get_graphene_type_from_serializer_field.register(serializers.TimeField)

graphene_django/rest_framework/tests/test_field_converter.py

@@ -1,8 +1,10 @@
 import copy
-from rest_framework import serializers
-from py.test import raises
 
 import graphene
+from django.db import models
+from graphene import InputObjectType
+from py.test import raises
+from rest_framework import serializers
 
 from ..serializer_converter import convert_serializer_field
 from ..types import DictType
@@ -74,7 +76,6 @@ def test_should_uuid_convert_string():
 
 
 def test_should_model_convert_field():
-
     class MyModelSerializer(serializers.ModelSerializer):
         class Meta:
             model = None
@@ -87,8 +88,8 @@ def test_should_date_time_convert_datetime():
     assert_conversion(serializers.DateTimeField, graphene.types.datetime.DateTime)
 
 
-def test_should_date_convert_datetime():
+def test_should_date_convert_date():
-    assert_conversion(serializers.DateField, graphene.types.datetime.DateTime)
+    assert_conversion(serializers.DateField, graphene.types.datetime.Date)
 
 
 def test_should_time_convert_time():
@@ -128,6 +129,30 @@ def test_should_list_convert_to_list():
     assert field_b.of_type == graphene.String
 
 
+def test_should_list_serializer_convert_to_list():
+    class FooModel(models.Model):
+        pass
+
+    class ChildSerializer(serializers.ModelSerializer):
+        class Meta:
+            model = FooModel
+            fields = '__all__'
+
+    class ParentSerializer(serializers.ModelSerializer):
+        child = ChildSerializer(many=True)
+
+        class Meta:
+            model = FooModel
+            fields = '__all__'
+
+    converted_type = convert_serializer_field(ParentSerializer().get_fields()['child'], is_input=True)
+    assert isinstance(converted_type, graphene.List)
+
+    converted_type = convert_serializer_field(ParentSerializer().get_fields()['child'], is_input=False)
+    assert isinstance(converted_type, graphene.List)
+    assert converted_type.of_type is None
+
+
 def test_should_dict_convert_dict():
     assert_conversion(serializers.DictField, DictType)
 
@@ -157,6 +182,6 @@ def test_should_json_convert_jsonstring():
 
 
 def test_should_multiplechoicefield_convert_to_list_of_string():
-    field = assert_conversion(serializers.MultipleChoiceField, graphene.List, choices=[1,2,3])
+    field = assert_conversion(serializers.MultipleChoiceField, graphene.List, choices=[1, 2, 3])
 
     assert field.of_type == graphene.String

graphene_django/rest_framework/tests/test_mutation.py

@@ -1,15 +1,28 @@
-from django.db import models
+import datetime
-from graphene import Field
+
+from graphene import Field, ResolveInfo
 from graphene.types.inputobjecttype import InputObjectType
 from py.test import raises
+from py.test import mark
 from rest_framework import serializers
 
 from ...types import DjangoObjectType
+from ..models import MyFakeModel
 from ..mutation import SerializerMutation
 
-
+def mock_info():
-class MyFakeModel(models.Model):
+  return ResolveInfo(
-    cool_name = models.CharField(max_length=50)
+    None,
+    None,
+    None,
+    None,
+    schema=None,
+    fragments=None,
+    root_value=None,
+    operation=None,
+    variable_values=None,
+    context=None
+  )
 
 
 class MyModelSerializer(serializers.ModelSerializer):
@@ -17,6 +30,9 @@ class MyModelSerializer(serializers.ModelSerializer):
         model = MyFakeModel
         fields = '__all__'
 
+class MyModelMutation(SerializerMutation):
+    class Meta:
+        serializer_class = MyModelSerializer
 
 class MySerializer(serializers.Serializer):
     text = serializers.CharField()
@@ -53,6 +69,19 @@ def test_has_input_fields():
     assert 'model' in MyMutation.Input._meta.fields
 
 
+def test_exclude_fields():
+    class MyMutation(SerializerMutation):
+        class Meta:
+            serializer_class = MyModelSerializer
+            exclude_fields = ['created']
+
+    assert 'cool_name' in MyMutation._meta.fields
+    assert 'created' not in MyMutation._meta.fields
+    assert 'errors' in MyMutation._meta.fields
+    assert 'cool_name' in MyMutation.Input._meta.fields
+    assert 'created' not in MyMutation.Input._meta.fields
+
+
 def test_nested_model():
 
     class MyFakeModelGrapheneType(DjangoObjectType):
@@ -71,6 +100,7 @@ def test_nested_model():
     model_input_type = model_input._type.of_type
     assert issubclass(model_input_type, InputObjectType)
     assert 'cool_name' in model_input_type._meta.fields
+    assert 'created' in model_input_type._meta.fields
 
 
 def test_mutate_and_get_payload_success():
@@ -79,7 +109,7 @@ def test_mutate_and_get_payload_success():
         class Meta:
             serializer_class = MySerializer
 
-    result = MyMutation.mutate_and_get_payload(None, None, **{
+    result = MyMutation.mutate_and_get_payload(None, mock_info(), **{
         'text': 'value',
         'model': {
             'cool_name': 'other_value'
@@ -88,6 +118,39 @@ def test_mutate_and_get_payload_success():
     assert result.errors is None
 
 
+@mark.django_db
+def test_model_add_mutate_and_get_payload_success():
+    result = MyModelMutation.mutate_and_get_payload(None, mock_info(), **{
+        'cool_name': 'Narf',
+    })
+    assert result.errors is None
+    assert result.cool_name == 'Narf'
+    assert isinstance(result.created, datetime.datetime)
+
+@mark.django_db
+def test_model_update_mutate_and_get_payload_success():
+    instance = MyFakeModel.objects.create(cool_name="Narf")
+    result = MyModelMutation.mutate_and_get_payload(None, mock_info(), **{
+        'id': instance.id,
+        'cool_name': 'New Narf',
+    })
+    assert result.errors is None
+    assert result.cool_name == 'New Narf'
+
+@mark.django_db
+def test_model_invalid_update_mutate_and_get_payload_success():
+    class InvalidModelMutation(SerializerMutation):
+        class Meta:
+            serializer_class = MyModelSerializer
+            model_operations = ['update']
+
+    with raises(Exception) as exc:
+        result = InvalidModelMutation.mutate_and_get_payload(None, mock_info(), **{
+            'cool_name': 'Narf',
+        })
+
+    assert '"id" required' in str(exc.value)
+
 def test_mutate_and_get_payload_error():
 
     class MyMutation(SerializerMutation):
@@ -95,5 +158,19 @@ def test_mutate_and_get_payload_error():
             serializer_class = MySerializer
 
     # missing required fields
-    result = MyMutation.mutate_and_get_payload(None, None, **{})
+    result = MyMutation.mutate_and_get_payload(None, mock_info(), **{})
     assert len(result.errors) > 0
+
+def test_model_mutate_and_get_payload_error():
+    # missing required fields
+    result = MyModelMutation.mutate_and_get_payload(None, mock_info(), **{})
+    assert len(result.errors) > 0
+
+def test_invalid_serializer_operations():
+    with raises(Exception) as exc:
+        class MyModelMutation(SerializerMutation):
+            class Meta:
+                serializer_class = MyModelSerializer
+                model_operations = ['Add']
+
+    assert 'model_operations' in str(exc.value)

graphene_django/rest_framework/types.py

@@ -3,8 +3,8 @@ from graphene.types.unmountedtype import UnmountedType
 
 
 class ErrorType(graphene.ObjectType):
-    field = graphene.String()
+    field = graphene.String(required=True)
-    messages = graphene.List(graphene.String)
+    messages = graphene.List(graphene.NonNull(graphene.String), required=True)
 
 
 class DictType(UnmountedType):

graphene_django/templates/graphene/graphiql.html

@@ -16,11 +16,11 @@ add "&raw" to the end of the URL within a browser.
       width: 100%;
     }
   </style>
-  <link href="//cdn.jsdelivr.net/graphiql/{{graphiql_version}}/graphiql.css" rel="stylesheet" />
+  <link href="//cdn.jsdelivr.net/npm/graphiql@{{graphiql_version}}/graphiql.css" rel="stylesheet" />
-  <script src="//cdn.jsdelivr.net/fetch/0.9.0/fetch.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/whatwg-fetch@2.0.3/fetch.min.js"></script>
-  <script src="//cdn.jsdelivr.net/react/15.0.1/react.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/react@16.2.0/umd/react.production.min.js"></script>
-  <script src="//cdn.jsdelivr.net/react/15.0.1/react-dom.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/react-dom@16.2.0/umd/react-dom.production.min.js"></script>
-  <script src="//cdn.jsdelivr.net/graphiql/{{graphiql_version}}/graphiql.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/graphiql@{{graphiql_version}}/graphiql.min.js"></script>
 </head>
 <body>
   <script>

graphene_django/tests/models.py

@@ -22,6 +22,9 @@ class Film(models.Model):
     reporters = models.ManyToManyField('Reporter',
                                        related_name='films')
 
+class DoeReporterManager(models.Manager):
+    def get_queryset(self):
+        return super(DoeReporterManager, self).get_queryset().filter(last_name="Doe")
 
 class Reporter(models.Model):
     first_name = models.CharField(max_length=30)
@@ -29,14 +32,44 @@ class Reporter(models.Model):
     email = models.EmailField()
     pets = models.ManyToManyField('self')
     a_choice = models.CharField(max_length=30, choices=CHOICES)
+    objects = models.Manager()
+    doe_objects = DoeReporterManager()
+
+    reporter_type = models.IntegerField(
+        'Reporter Type',
+        null=True,
+        blank=True,
+        choices=[(1, u'Regular'), (2, u'CNN Reporter')]
+    )
 
     def __str__(self):              # __unicode__ on Python 2
         return "%s %s" % (self.first_name, self.last_name)
 
+    def __init__(self, *args, **kwargs):
+        """
+        Override the init method so that during runtime, Django
+        can know that this object can be a CNNReporter by casting
+        it to the proxy model. Otherwise, as far as Django knows,
+        when a CNNReporter is pulled from the database, it is still
+        of type Reporter. This was added to test proxy model support.
+        """
+        super(Reporter, self).__init__(*args, **kwargs)
+        if self.reporter_type == 2:  # quick and dirty way without enums
+            self.__class__ = CNNReporter
+
+class CNNReporter(Reporter):
+    """
+    This class is a proxy model for Reporter, used for testing
+    proxy model support
+    """
+    class Meta:
+        proxy = True
+
 
 class Article(models.Model):
     headline = models.CharField(max_length=100)
     pub_date = models.DateField()
+    pub_date_time = models.DateTimeField()
     reporter = models.ForeignKey(Reporter, related_name='articles')
     editor = models.ForeignKey(Reporter, related_name='edited_articles_+')
     lang = models.CharField(max_length=2, help_text='Language', choices=[

graphene_django/tests/test_converter.py

@@ -5,7 +5,7 @@ from py.test import raises
 
 import graphene
 from graphene.relay import ConnectionField, Node
-from graphene.types.datetime import DateTime, Time
+from graphene.types.datetime import DateTime, Date, Time
 from graphene.types.json import JSONString
 
 from ..compat import JSONField, ArrayField, HStoreField, RangeField, MissingType
@@ -38,9 +38,12 @@ def test_should_unknown_django_field_raise_exception():
         convert_django_field(None)
     assert 'Don\'t know how to convert the Django field' in str(excinfo.value)
 
+def test_should_date_time_convert_string():
+    assert_conversion(models.DateTimeField, DateTime)
+
 
 def test_should_date_convert_string():
-    assert_conversion(models.DateField, DateTime)
+    assert_conversion(models.DateField, Date)
 
 
 def test_should_time_convert_string():

graphene_django/tests/test_forms.py

@@ -1,7 +1,7 @@
 from django.core.exceptions import ValidationError
 from py.test import raises
 
-from ..forms import GlobalIDFormField
+from ..forms import GlobalIDFormField,GlobalIDMultipleChoiceField
 
 
 # 'TXlUeXBlOmFiYw==' -> 'MyType', 'abc'
@@ -18,6 +18,17 @@ def test_global_id_invalid():
         field.clean('badvalue')
 
 
+def test_global_id_multiple_valid():
+    field = GlobalIDMultipleChoiceField()
+    field.clean(['TXlUeXBlOmFiYw==', 'TXlUeXBlOmFiYw=='])
+
+
+def test_global_id_multiple_invalid():
+    field = GlobalIDMultipleChoiceField()
+    with raises(ValidationError):
+        field.clean(['badvalue', 'another bad avue'])
+
+
 def test_global_id_none():
     field = GlobalIDFormField()
     with raises(ValidationError):

graphene_django/tests/test_query.py

@@ -13,7 +13,11 @@ from ..compat import MissingType, JSONField
 from ..fields import DjangoConnectionField
 from ..types import DjangoObjectType
 from ..settings import graphene_settings
-from .models import Article, Reporter
+from .models import (
+    Article,
+    CNNReporter,
+    Reporter,
+)
 
 pytestmark = pytest.mark.django_db
 
@@ -371,6 +375,7 @@ def test_should_query_node_filtering():
     Article.objects.create(
         headline='Article Node 1',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='es'
@@ -378,6 +383,7 @@ def test_should_query_node_filtering():
     Article.objects.create(
         headline='Article Node 2',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='en'
@@ -453,6 +459,7 @@ def test_should_query_node_multiple_filtering():
     Article.objects.create(
         headline='Article Node 1',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='es'
@@ -460,6 +467,7 @@ def test_should_query_node_multiple_filtering():
     Article.objects.create(
         headline='Article Node 2',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='es'
@@ -467,6 +475,7 @@ def test_should_query_node_multiple_filtering():
     Article.objects.create(
         headline='Article Node 3',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='en'
@@ -606,6 +615,53 @@ def test_should_error_if_first_is_greater_than_max():
     graphene_settings.RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST = False
 
 
+def test_should_error_if_last_is_greater_than_max():
+    graphene_settings.RELAY_CONNECTION_MAX_LIMIT = 100
+
+    class ReporterType(DjangoObjectType):
+
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+
+    class Query(graphene.ObjectType):
+        all_reporters = DjangoConnectionField(ReporterType)
+
+    r = Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query NodeFilteringQuery {
+            allReporters(last: 101) {
+                edges {
+                    node {
+                        id
+                    }
+                }
+            }
+        }
+    '''
+
+    expected = {
+        'allReporters': None
+    }
+
+    result = schema.execute(query)
+    assert len(result.errors) == 1
+    assert str(result.errors[0]) == (
+        'Requesting 101 records on the `allReporters` connection '
+        'exceeds the `last` limit of 100 records.'
+    )
+    assert result.data == expected
+
+    graphene_settings.RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST = False
+
+
 def test_should_query_promise_connectionfields():
     from promise import Promise
 
@@ -648,6 +704,109 @@ def test_should_query_promise_connectionfields():
     assert not result.errors
     assert result.data == expected
 
+def test_should_query_connectionfields_with_last():
+
+    r = Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    class ReporterType(DjangoObjectType):
+
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+
+    class Query(graphene.ObjectType):
+        all_reporters = DjangoConnectionField(ReporterType)
+
+        def resolve_all_reporters(self, info, **args):
+            return Reporter.objects.all()
+    
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query ReporterLastQuery {
+            allReporters(last: 1) {
+                edges {
+                    node {
+                        id
+                    }
+                }
+            }
+        }
+    '''
+
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjE='
+                }
+            }]
+        }
+    }
+
+    result = schema.execute(query)
+    assert not result.errors
+    assert result.data == expected
+
+def test_should_query_connectionfields_with_manager():
+
+    r = Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    r = Reporter.objects.create(
+        first_name='John',
+        last_name='NotDoe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    class ReporterType(DjangoObjectType):
+
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+
+    class Query(graphene.ObjectType):
+        all_reporters = DjangoConnectionField(ReporterType, on='doe_objects')
+
+        def resolve_all_reporters(self, info, **args):
+            return Reporter.objects.all()
+    
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query ReporterLastQuery {
+            allReporters(first: 2) {
+                edges {
+                    node {
+                        id
+                    }
+                }
+            }
+        }
+    '''
+
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjE='
+                }
+            }]
+        }
+    }
+
+    result = schema.execute(query)
+    assert not result.errors
+    assert result.data == expected
+
 
 def test_should_query_dataloader_fields():
     from promise import Promise
@@ -689,9 +848,11 @@ def test_should_query_dataloader_fields():
         email='johndoe@example.com',
         a_choice=1
     )
+
     Article.objects.create(
         headline='Article Node 1',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='es'
@@ -699,6 +860,7 @@ def test_should_query_dataloader_fields():
     Article.objects.create(
         headline='Article Node 2',
         pub_date=datetime.date.today(),
+        pub_date_time=datetime.datetime.now(),
         reporter=r,
         editor=r,
         lang='en'
@@ -748,3 +910,171 @@ def test_should_query_dataloader_fields():
     result = schema.execute(query)
     assert not result.errors
     assert result.data == expected
+
+
+def test_should_handle_inherited_choices():
+    class BaseModel(models.Model):
+        choice_field = models.IntegerField(choices=((0, 'zero'), (1, 'one')))
+
+    class ChildModel(BaseModel):
+        class Meta:
+            proxy = True
+
+    class BaseType(DjangoObjectType):
+        class Meta:
+            model = BaseModel
+
+    class ChildType(DjangoObjectType):
+        class Meta:
+            model = ChildModel
+
+    class Query(graphene.ObjectType):
+        base = graphene.Field(BaseType)
+        child = graphene.Field(ChildType)
+
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query {
+          child {
+            choiceField
+          }
+        }
+    '''
+    result = schema.execute(query)
+    assert not result.errors
+
+
+def test_proxy_model_support():
+    """
+    This test asserts that we can query for all Reporters,
+    even if some are of a proxy model type at runtime.
+    """
+    class ReporterType(DjangoObjectType):
+
+        class Meta:
+            model = Reporter
+            interfaces = (Node, )
+            use_connection = True
+
+    reporter_1 = Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    reporter_2 = CNNReporter.objects.create(
+        first_name='Some',
+        last_name='Guy',
+        email='someguy@cnn.com',
+        a_choice=1,
+        reporter_type=2,  # set this guy to be CNN
+    )
+
+    class Query(graphene.ObjectType):
+        all_reporters = DjangoConnectionField(ReporterType)
+
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query ProxyModelQuery {
+            allReporters {
+                edges {
+                    node {
+                        id
+                    }
+                }
+            }
+        }
+    '''
+
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjE=',
+                },
+            },
+            {
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjI=',
+                },
+            }
+            ]
+        }
+    }
+
+    result = schema.execute(query)
+    assert not result.errors
+    assert result.data == expected
+
+
+def test_proxy_model_fails():
+    """
+    This test asserts that if you try to query for a proxy model,
+    that query will fail with:
+        GraphQLError('Expected value of type "CNNReporterType" but got: 
+            CNNReporter.',)
+
+    This is because a proxy model has the identical model definition
+    to its superclass, and defines its behavior at runtime, rather than
+    at the database level. Currently, filtering objects of the proxy models'
+    type isn't supported. It would require a field on the model that would
+    represent the type, and it doesn't seem like there is a clear way to
+    enforce this pattern across all projects
+    """
+    class CNNReporterType(DjangoObjectType):
+
+        class Meta:
+            model = CNNReporter
+            interfaces = (Node, )
+            use_connection = True
+
+    reporter_1 = Reporter.objects.create(
+        first_name='John',
+        last_name='Doe',
+        email='johndoe@example.com',
+        a_choice=1
+    )
+
+    reporter_2 = CNNReporter.objects.create(
+        first_name='Some',
+        last_name='Guy',
+        email='someguy@cnn.com',
+        a_choice=1,
+        reporter_type=2,  # set this guy to be CNN
+    )
+
+    class Query(graphene.ObjectType):
+        all_reporters = DjangoConnectionField(CNNReporterType)
+
+    schema = graphene.Schema(query=Query)
+    query = '''
+        query ProxyModelQuery {
+            allReporters {
+                edges {
+                    node {
+                        id
+                    }
+                }
+            }
+        }
+    '''
+
+    expected = {
+        'allReporters': {
+            'edges': [{
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjE=',
+                },
+            },
+            {
+                'node': {
+                    'id': 'UmVwb3J0ZXJUeXBlOjI=',
+                },
+            }
+            ]
+        }
+    }
+
+    result = schema.execute(query)
+    assert result.errors

graphene_django/tests/test_schema.py

@@ -35,6 +35,7 @@ def test_should_map_fields_correctly():
         'email',
         'pets',
         'a_choice',
+        'reporter_type'
     ]
 
     assert sorted(fields[-2:]) == [

graphene_django/tests/test_types.py

@@ -1,10 +1,10 @@
 from mock import patch
 
-from graphene import Interface, ObjectType, Schema
+from graphene import Interface, ObjectType, Schema, Connection, String
 from graphene.relay import Node
 
 from .. import registry
-from ..types import DjangoObjectType
+from ..types import DjangoObjectType, DjangoObjectTypeOptions
 from .models import Article as ArticleModel
 from .models import Reporter as ReporterModel
 
@@ -17,11 +17,23 @@ class Reporter(DjangoObjectType):
         model = ReporterModel
 
 
+class ArticleConnection(Connection):
+    '''Article Connection'''
+    test = String()
+
+    def resolve_test():
+        return 'test'
+
+    class Meta:
+        abstract = True
+
+
 class Article(DjangoObjectType):
     '''Article description'''
     class Meta:
         model = ArticleModel
         interfaces = (Node, )
+        connection_class = ArticleConnection
 
 
 class RootQuery(ObjectType):
@@ -46,13 +58,33 @@ def test_django_get_node(get):
 def test_django_objecttype_map_correct_fields():
     fields = Reporter._meta.fields
     fields = list(fields.keys())
-    assert fields[:-2] == ['id', 'first_name', 'last_name', 'email', 'pets', 'a_choice']
+    assert fields[:-2] == ['id', 'first_name', 'last_name', 'email', 'pets', 'a_choice', 'reporter_type']
     assert sorted(fields[-2:]) == ['articles', 'films']
 
 
 def test_django_objecttype_with_node_have_correct_fields():
     fields = Article._meta.fields
-    assert list(fields.keys()) == ['id', 'headline', 'pub_date', 'reporter', 'editor', 'lang', 'importance']
+    assert list(fields.keys()) == ['id', 'headline', 'pub_date', 'pub_date_time', 'reporter', 'editor', 'lang', 'importance']
+
+
+def test_django_objecttype_with_custom_meta():
+    class ArticleTypeOptions(DjangoObjectTypeOptions):
+        '''Article Type Options'''
+
+    class ArticleType(DjangoObjectType):
+        class Meta:
+            abstract = True
+
+        @classmethod
+        def __init_subclass_with_meta__(cls, **options):
+            options.setdefault('_meta', ArticleTypeOptions(cls))
+            super(ArticleType, cls).__init_subclass_with_meta__(**options)
+
+    class Article(ArticleType):
+        class Meta:
+            model = ArticleModel
+
+    assert isinstance(Article._meta, ArticleTypeOptions)
 
 
 def test_schema_representation():
@@ -64,7 +96,8 @@ schema {
 type Article implements Node {
   id: ID!
   headline: String!
-  pubDate: DateTime!
+  pubDate: Date!
+  pubDateTime: DateTime!
   reporter: Reporter!
   editor: Reporter!
   lang: ArticleLang!
@@ -74,6 +107,7 @@ type Article implements Node {
 type ArticleConnection {
   pageInfo: PageInfo!
   edges: [ArticleEdge]!
+  test: String
 }
 
 type ArticleEdge {
@@ -91,6 +125,8 @@ enum ArticleLang {
   EN
 }
 
+scalar Date
+
 scalar DateTime
 
 interface Node {
@@ -111,6 +147,7 @@ type Reporter {
   email: String!
   pets: [Reporter]
   aChoice: ReporterAChoice!
+  reporterType: ReporterReporterType
   articles(before: String, after: String, first: Int, last: Int): ArticleConnection
 }
 
@@ -119,6 +156,11 @@ enum ReporterAChoice {
   A_2
 }
 
+enum ReporterReporterType {
+  A_1
+  A_2
+}
+
 type RootQuery {
   node(id: ID!): Node
 }

graphene_django/tests/test_views.py

@@ -30,6 +30,20 @@ jl = lambda **kwargs: json.dumps([kwargs])
 def test_graphiql_is_enabled(client):
     response = client.get(url_string(), HTTP_ACCEPT='text/html')
     assert response.status_code == 200
+    assert response['Content-Type'].split(';')[0] == 'text/html'
+
+def test_qfactor_graphiql(client):
+    response = client.get(url_string(query='{test}'), HTTP_ACCEPT='application/json;q=0.8, text/html;q=0.9')
+    assert response.status_code == 200
+    assert response['Content-Type'].split(';')[0] == 'text/html'
+
+def test_qfactor_json(client):
+    response = client.get(url_string(query='{test}'), HTTP_ACCEPT='text/html;q=0.8, application/json;q=0.9')
+    assert response.status_code == 200
+    assert response['Content-Type'].split(';')[0] == 'application/json'
+    assert response_json(response) == {
+        'data': {'test': "Hello World"}
+    }
 
 
 def test_allows_get_with_query_param(client):
@@ -386,6 +400,24 @@ def test_allows_post_with_get_operation_name(client):
     }
 
 
+@pytest.mark.urls('graphene_django.tests.urls_inherited')
+def test_inherited_class_with_attributes_works(client):
+    inherited_url = '/graphql/inherited/'
+    # Check schema and pretty attributes work
+    response = client.post(url_string(inherited_url, query='{test}'))
+    assert response.content.decode() == (
+        '{\n'
+        '  "data": {\n'
+        '    "test": "Hello World"\n'
+        '  }\n'
+        '}'
+    )
+
+    # Check graphiql works
+    response = client.get(url_string(inherited_url), HTTP_ACCEPT='text/html')
+    assert response.status_code == 200
+
+
 @pytest.mark.urls('graphene_django.tests.urls_pretty')
 def test_supports_pretty_printing(client):
     response = client.get(url_string(query='{test}'))
@@ -416,7 +448,11 @@ def test_handles_field_errors_caught_by_graphql(client):
     assert response.status_code == 200
     assert response_json(response) == {
         'data': None,
-        'errors': [{'locations': [{'column': 2, 'line': 1}], 'message': 'Throws!'}]
+        'errors': [{
+            'locations': [{'column': 2, 'line': 1}],
+            'path': ['thrower'],
+            'message': 'Throws!',
+        }]
     }
 
 
@@ -425,7 +461,7 @@ def test_handles_syntax_errors_caught_by_graphql(client):
     assert response.status_code == 400
     assert response_json(response) == {
         'errors': [{'locations': [{'column': 1, 'line': 1}],
-                    'message': 'Syntax Error GraphQL request (1:1) '
+                    'message': 'Syntax Error GraphQL (1:1) '
                                'Unexpected Name "syntaxerror"\n\n1: syntaxerror\n   ^\n'}]
     }
 

graphene_django/tests/urls_inherited.py

@@ -0,0 +1,14 @@
+from django.conf.urls import url
+
+from ..views import GraphQLView
+from .schema_view import schema
+
+class CustomGraphQLView(GraphQLView):
+    schema = schema
+    graphiql = True
+    pretty = True
+
+
+urlpatterns = [
+    url(r'^graphql/inherited/$', CustomGraphQLView.as_view()),
+]

graphene_django/types.py

@@ -45,7 +45,7 @@ class DjangoObjectType(ObjectType):
     @classmethod
     def __init_subclass_with_meta__(cls, model=None, registry=None, skip_registry=False,
                                     only_fields=(), exclude_fields=(), filter_fields=None, connection=None,
-                                    use_connection=None, interfaces=(), **options):
+                                    connection_class=None, use_connection=None, interfaces=(), _meta=None, **options):
         assert is_valid_django_model(model), (
             'You need to pass a valid Django Model in {}.Meta, received "{}".'
         ).format(cls.__name__, model)
@@ -71,14 +71,20 @@ class DjangoObjectType(ObjectType):
 
         if use_connection and not connection:
             # We create the connection automatically
-            connection = Connection.create_type('{}Connection'.format(cls.__name__), node=cls)
+            if not connection_class:
+                connection_class = Connection
+
+            connection = connection_class.create_type(
+                '{}Connection'.format(cls.__name__), node=cls)
 
         if connection is not None:
             assert issubclass(connection, Connection), (
                 "The connection must be a Connection. Received {}"
             ).format(connection.__name__)
 
-        _meta = DjangoObjectTypeOptions(cls)
+        if not _meta:
+            _meta = DjangoObjectTypeOptions(cls)
+
         _meta.model = model
         _meta.registry = registry
         _meta.filter_fields = filter_fields
@@ -104,7 +110,8 @@ class DjangoObjectType(ObjectType):
             raise Exception((
                 'Received incompatible instance "{}".'
             ).format(root))
-        model = root._meta.model
+
+        model = root._meta.model._meta.concrete_model
         return model == cls._meta.model
 
     @classmethod

graphene_django/views.py

@@ -10,12 +10,11 @@ from django.utils.decorators import method_decorator
 from django.views.generic import View
 from django.views.decorators.csrf import ensure_csrf_cookie
 
-from graphql import Source, execute, parse, validate
+from graphql import get_default_backend
 from graphql.error import format_error as format_graphql_error
 from graphql.error import GraphQLError
 from graphql.execution import ExecutionResult
 from graphql.type.schema import GraphQLSchema
-from graphql.utils.get_operation_ast import get_operation_ast
 
 from .settings import graphene_settings
 
@@ -35,8 +34,8 @@ def get_accepted_content_types(request):
             match = re.match(r'(^|;)q=(0(\.\d{,3})?|1(\.0{,3})?)(;|$)',
                              parts[1])
             if match:
-                return parts[0], float(match.group(2))
+                return parts[0].strip(), float(match.group(2))
-        return parts[0], 1
+        return parts[0].strip(), 1
 
     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
     qualified_content_types = map(qualify, raw_content_types)
@@ -53,36 +52,43 @@ def instantiate_middleware(middlewares):
 
 
 class GraphQLView(View):
-    graphiql_version = '0.10.2'
+    graphiql_version = '0.11.10'
     graphiql_template = 'graphene/graphiql.html'
 
     schema = None
     graphiql = False
     executor = None
+    backend = None
     middleware = None
     root_value = None
     pretty = False
     batch = False
 
     def __init__(self, schema=None, executor=None, middleware=None, root_value=None, graphiql=False, pretty=False,
-                 batch=False):
+                 batch=False, backend=None):
         if not schema:
             schema = graphene_settings.SCHEMA
 
+        if backend is None:
+            backend = get_default_backend()
+
         if middleware is None:
             middleware = graphene_settings.MIDDLEWARE
 
-        self.schema = schema
+        self.schema = self.schema or schema
         if middleware is not None:
             self.middleware = list(instantiate_middleware(middleware))
         self.executor = executor
         self.root_value = root_value
-        self.pretty = pretty
+        self.pretty = self.pretty or pretty
-        self.graphiql = graphiql
+        self.graphiql = self.graphiql or graphiql
-        self.batch = batch
+        self.batch = self.batch or batch
+        self.backend = backend
 
-        assert isinstance(self.schema, GraphQLSchema), 'A Schema is required to be provided to GraphQLView.'
+        assert isinstance(
-        assert not all((graphiql, batch)), 'Use either graphiql or batch processing'
+            self.schema, GraphQLSchema), 'A Schema is required to be provided to GraphQLView.'
+        assert not all((graphiql, batch)
+                       ), 'Use either graphiql or batch processing'
 
     # noinspection PyUnusedLocal
     def get_root_value(self, request):
@@ -94,24 +100,31 @@ class GraphQLView(View):
     def get_context(self, request):
         return request
 
+    def get_backend(self, request):
+        return self.backend
+
     @method_decorator(ensure_csrf_cookie)
     def dispatch(self, request, *args, **kwargs):
         try:
             if request.method.lower() not in ('get', 'post'):
-                raise HttpError(HttpResponseNotAllowed(['GET', 'POST'], 'GraphQL only supports GET and POST requests.'))
+                raise HttpError(HttpResponseNotAllowed(
+                    ['GET', 'POST'], 'GraphQL only supports GET and POST requests.'))
 
             data = self.parse_body(request)
-            show_graphiql = self.graphiql and self.can_display_graphiql(request, data)
+            show_graphiql = self.graphiql and self.can_display_graphiql(
+                request, data)
 
             if self.batch:
                 responses = [self.get_response(request, entry) for entry in data]
                 result = '[{}]'.format(','.join([response[0] for response in responses]))
-                status_code = max(responses, key=lambda response: response[1])[1]
+                status_code = responses and max(responses, key=lambda response: response[1])[1] or 200
             else:
-                result, status_code = self.get_response(request, data, show_graphiql)
+                result, status_code = self.get_response(
+                    request, data, show_graphiql)
 
             if show_graphiql:
-                query, variables, operation_name, id = self.get_graphql_params(request, data)
+                query, variables, operation_name, id = self.get_graphql_params(
+                    request, data)
                 return self.render_graphiql(
                     request,
                     graphiql_version=self.graphiql_version,
@@ -136,7 +149,8 @@ class GraphQLView(View):
             return response
 
     def get_response(self, request, data, show_graphiql=False):
-        query, variables, operation_name, id = self.get_graphql_params(request, data)
+        query, variables, operation_name, id = self.get_graphql_params(
+            request, data)
 
         execution_result = self.execute_graphql_request(
             request,
@@ -152,7 +166,8 @@ class GraphQLView(View):
             response = {}
 
             if execution_result.errors:
-                response['errors'] = [self.format_error(e) for e in execution_result.errors]
+                response['errors'] = [self.format_error(
+                    e) for e in execution_result.errors]
 
             if execution_result.invalid:
                 status_code = 400
@@ -209,54 +224,52 @@ class GraphQLView(View):
             except AssertionError as e:
                 raise HttpError(HttpResponseBadRequest(str(e)))
             except (TypeError, ValueError):
-                raise HttpError(HttpResponseBadRequest('POST body sent invalid JSON.'))
+                raise HttpError(HttpResponseBadRequest(
+                    'POST body sent invalid JSON.'))
 
         elif content_type in ['application/x-www-form-urlencoded', 'multipart/form-data']:
             return request.POST
 
         return {}
 
-    def execute(self, *args, **kwargs):
-        return execute(self.schema, *args, **kwargs)
-
     def execute_graphql_request(self, request, data, query, variables, operation_name, show_graphiql=False):
         if not query:
             if show_graphiql:
                 return None
-            raise HttpError(HttpResponseBadRequest('Must provide query string.'))
+            raise HttpError(HttpResponseBadRequest(
-
+                'Must provide query string.'))
-        source = Source(query, name='GraphQL request')
 
         try:
-            document_ast = parse(source)
+            backend = self.get_backend(request)
-            validation_errors = validate(self.schema, document_ast)
+            document = backend.document_from_string(self.schema, query)
-            if validation_errors:
-                return ExecutionResult(
-                    errors=validation_errors,
-                    invalid=True,
-                )
         except Exception as e:
             return ExecutionResult(errors=[e], invalid=True)
 
         if request.method.lower() == 'get':
-            operation_ast = get_operation_ast(document_ast, operation_name)
+            operation_type = document.get_operation_type(operation_name)
-            if operation_ast and operation_ast.operation != 'query':
+            if operation_type and operation_type != 'query':
                 if show_graphiql:
                     return None
 
                 raise HttpError(HttpResponseNotAllowed(
-                    ['POST'], 'Can only perform a {} operation from a POST request.'.format(operation_ast.operation)
+                    ['POST'], 'Can only perform a {} operation from a POST request.'.format(
+                        operation_type)
                 ))
 
         try:
-            return self.execute(
+            extra_options = {}
-                document_ast,
+            if self.executor:
-                root_value=self.get_root_value(request),
+                # We only include it optionally since
-                variable_values=variables,
+                # executor is not a valid argument in all backends
+                extra_options['executor'] = self.executor
+
+            return document.execute(
+                root=self.get_root_value(request),
+                variables=variables,
                 operation_name=operation_name,
-                context_value=self.get_context(request),
+                context=self.get_context(request),
                 middleware=self.get_middleware(request),
-                executor=self.executor,
+                **extra_options
             )
         except Exception as e:
             return ExecutionResult(errors=[e], invalid=True)
@@ -269,10 +282,13 @@ class GraphQLView(View):
     @classmethod
     def request_wants_html(cls, request):
         accepted = get_accepted_content_types(request)
-        html_index = accepted.count('text/html')
+        accepted_length = len(accepted)
-        json_index = accepted.count('application/json')
+        # the list will be ordered in preferred first - so we have to make
+        # sure the most preferred gets the highest number
+        html_priority = accepted_length - accepted.index('text/html') if 'text/html' in accepted else 0
+        json_priority = accepted_length - accepted.index('application/json') if 'application/json' in accepted else 0
 
-        return html_index > json_index
+        return html_priority > json_priority
 
     @staticmethod
     def get_graphql_params(request, data):
@@ -283,10 +299,12 @@ class GraphQLView(View):
         if variables and isinstance(variables, six.text_type):
             try:
                 variables = json.loads(variables)
-            except:
+            except Exception:
-                raise HttpError(HttpResponseBadRequest('Variables are invalid JSON.'))
+                raise HttpError(HttpResponseBadRequest(
+                    'Variables are invalid JSON.'))
 
-        operation_name = request.GET.get('operationName') or data.get('operationName')
+        operation_name = request.GET.get(
+            'operationName') or data.get('operationName')
         if operation_name == "null":
             operation_name = None
 
@@ -302,5 +320,6 @@ class GraphQLView(View):
     @staticmethod
     def get_content_type(request):
         meta = request.META
-        content_type = meta.get('CONTENT_TYPE', meta.get('HTTP_CONTENT_TYPE', ''))
+        content_type = meta.get(
+            'CONTENT_TYPE', meta.get('HTTP_CONTENT_TYPE', ''))
         return content_type.split(';', 1)[0].lower()

setup.py

@@ -21,9 +21,10 @@ tests_require = [
     'mock',
     'pytz',
     'django-filter',
-    'pytest-django==2.9.1',
+    'pytest-django>=3.2.1',
 ] + rest_framework_require
 
+django_version = 'Django>=1.8.0,<2' if sys.version_info[0] < 3 else 'Django>=1.8.0'
 setup(
     name='graphene-django',
     version=version,
@@ -57,11 +58,12 @@ setup(
 
     install_requires=[
         'six>=1.10.0',
-        'graphene>=2.0.dev',
+        'graphene>=2.0.1,<3',
-        'Django>=1.8.0',
+        'graphql-core>=2.1rc1',
+        django_version,
         'iso8601',
         'singledispatch>=3.4.0.3',
-        'promise>=2.1.dev',
+        'promise>=2.1',
     ],
     setup_requires=[
         'pytest-runner',