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A collection of custom extensions for Django GraphQL

Project description

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A collection of custom extensions for Django GraphQL


  • Python ≥ 3.4
  • Django ≥ 1.11


Install last stable version from Pypi.

pip install django-graphql-extensions


  • @login_required
  • @staff_member_required
  • @permission_required
  • @user_passes_test

See the documentation to know the full list of decorators.

from django.contrib.auth import get_user_model

import graphene
from graphql_extensions.auth.decorators import (
    login_required, staff_member_required,

class Query(graphene.ObjectType):
    viewer = graphene.Field(UserType)
    users = graphene.List(UserType)

    def resolve_viewer(self, info, **kwargs):
        return info.context.user

    def resolve_users(self, info, **kwargs):
        return get_user_model().objects.all()


Returning appropriate error responses and masking error messages sent to the client.

Configure your GraphQLView.

from django.urls import include, path

from graphql_extensions.views import GraphQLView

urlpatterns = [
    path('', GraphQLView.as_view(), name='index'),


from graphql_extensions import exceptions
  • exceptions.GraphQLError
  • exceptions.PermissionDenied
  • exceptions.ValidationError
  • exceptions.NotFound


  "errors": [
      "type": "NotFound",
      "message": "GraphQL object not found",
      "code": "notFound",
      "data": {
        "id": 1
      "path": ["updateGroup"],
      "operation": "mutation",
      "trace": [
        "  File \"/app/\", line 30, in mutate\n    group = cls.update(info, **kwargs)\n",
        "  File \"/graphql_extensions/\", line 32, in update\n    instance = cls.get_object(context, id=id)\n",
        "  File \"/graphql_extensions/\", line 21, in get_object\n    raise exceptions.NotFound(**kwargs)\n"
  "data": {
    "updateGroup": null


Pre-built mutations that provide for commonly used patterns.

  • RetrieveMixin
  • UpdateMixin
from django.contrib.auth.models import Group

import graphene
from graphene_django import DjangoObjectType
from graphql_extensions import mixins
from graphql_extensions.auth.decorators import login_required

class GroupType(DjangoObjectType):

    class Meta:
        model = Group

class UpdateGroup(mixins.UpdateMixin, graphene.Mutation):
    group = graphene.Field(GroupType)

    class Arguments:
        id = graphene.Int(required=True)
        name = graphene.String()

    def get_queryset(cls, info, **kwargs):
        return info.context.user.groups.all()

    def mutate(cls, root, info, **kwargs):
        group = cls.update(info, **kwargs)
        return cls(group=group)

Writing tests

This package includes a subclass of unittest.TestCase SchemaTestCase and improve support for making GraphQL queries.

from django.contrib.auth import get_user_model

from graphql_extensions.testcases import SchemaTestCase

class UsersTests(SchemaTestCase):

    def test_create_user(self):
        query = '''
        mutation CreateUser($username: String!, $password: String!) {
          createUser(username: $username, password: $password) {
            user {

        response = self.client.execute(query, {
            'username': 'test',
            'password': 'dolphins',


    def test_get_viewer(self):
        user = get_user_model().objects.create_user(


        query = '''
          viewer {

        response = self.client.execute(query)
        data =['viewer']

        self.assertEqual(data['username'], user.username)


Custom Graphene types.

  • Email
  • Timestamp
  • Choices
  • CamelJSON


Complete support for Relay.

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