### Setup Django Database and Load Example Data

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook/README.md

Applies database migrations, loads example data from the 'ingredients' fixture, and prompts for creating an administrative user for the Django project.

```bash
./manage.py migrate

./manage.py loaddata ingredients

./manage.py createsuperuser
```

--------------------------------

### Setup Django Project and Install Graphene-Django

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Commands to create a Django project and app, set up a virtual environment, and install Django and Graphene-Django for development.

```bash
mkdir cookbook
cd cookbook

virtualenv env
source env/bin/activate  # On Windows use `env\Scripts\activate`

pip install django
pip install graphene_django

django-admin.py startproject cookbook .  # Note the trailing '.' character
cd cookbook
django-admin.py startapp ingredients
```

--------------------------------

### Create a Basic Graphene Schema

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Illustrates a minimal Graphene schema definition in a schema.py file. This example includes a simple Query object with a single 'hello' field that returns a default string value.

```python
import graphene

class Query(graphene.ObjectType):
    hello = graphene.String(default_value="Hi!")

schema = graphene.Schema(query=Query)
```

--------------------------------

### Setup Django Project and Install Dependencies

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This snippet provides the necessary bash commands to create a new Django project, set up a virtual environment, install Django and Graphene-Django, and create a new Django app within the project structure.

```bash
# Create the project directory
mkdir cookbook
cd cookbook

# Create a virtualenv to isolate our package dependencies locally
virtualenv env
source env/bin/activate  # On Windows use `env\Scripts\activate`

# Install Django and Graphene with Django support
pip install django graphene_django

# Set up a new project with a single application
django-admin startproject cookbook .  # Note the trailing '.' character
cd cookbook
django-admin startapp ingredients
```

--------------------------------

### Setup Django Database and Admin User

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Executes Django database migrations to set up the schema, loads initial example data for 'ingredients', and creates a superuser account for administrative access to the Django admin interface.

```bash
./manage.py migrate

# Load some example data
./manage.py loaddata ingredients

# Create an admin user (useful for logging into the admin UI
# at http://127.0.0.1:8000/admin)
./manage.py createsuperuser
```

--------------------------------

### Install Python Project Dependencies

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Installs all required Python packages and libraries for the project by reading them from the 'requirements.txt' file using pip.

```bash
pip install -r requirements.txt
```

--------------------------------

### Start Django Development Server

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Launches the Django development server, making the application accessible locally, typically at http://127.0.0.1:8000/, and enabling interaction with the GraphQL endpoint.

```bash
./manage.py runserver
```

--------------------------------

### Install Graphene-Django via pip

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Installs the Graphene-Django library using pip. It is strongly recommended to pin against a specific version to avoid potential breaking changes introduced by new releases.

```bash
pip install graphene-django
```

--------------------------------

### Clone Graphene-Django Example Project

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Clones the Graphene-Django repository from GitHub and navigates into the 'cookbook-plain' example directory, which contains the project source code.

```bash
git clone https://github.com/graphql-python/graphene-django.git
cd graphene-django/examples/cookbook-plain
```

--------------------------------

### Start Django Development Server

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook/README.md

Starts the Django development server, making the application accessible via a web browser, typically at http://127.0.0.1:8000/.

```bash
./manage.py runserver
```

--------------------------------

### Install Python Project Dependencies

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook/README.md

Installs all required Python packages listed in the 'requirements.txt' file into the currently active virtual environment.

```bash
pip install -r requirements.txt
```

--------------------------------

### Clone Graphene-Django Repository and Navigate

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook/README.md

Clones the Graphene-Django repository from GitHub and navigates into the 'cookbook' example project directory.

```bash
git clone https://github.com/graphql-python/graphene-django.git
cd graphene-django/examples/cookbook
```

--------------------------------

### Add GraphQL URL Pattern to Django urls.py

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Defines a URL path for the GraphQL endpoint in your Django project's urls.py. This example uses GraphQLView.as_view() with graphiql enabled, providing an interactive API browser. This configuration is suitable for Django 2.2 and above.

```python
from django.urls import path
from graphene_django.views import GraphQLView

urlpatterns = [
    # ...
    path("graphql", GraphQLView.as_view(graphiql=True)),
]
```

--------------------------------

### Run Django Development Server

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Starts the Django development server, making the application accessible at `http://127.0.0.1:8000/` for testing the GraphQL API.

```bash
$ python ./manage.py runserver
```

--------------------------------

### Configure Graphene-Django in Django INSTALLED_APPS

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Adds 'graphene_django' to the INSTALLED_APPS list within your Django project's settings.py file. 'django.contrib.staticfiles' is also included as it is required for the GraphiQL interface.

```python
INSTALLED_APPS = [
    ...
    "django.contrib.staticfiles", # Required for GraphiQL
    "graphene_django"
]
```

--------------------------------

### Install Django Filter

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Installs the `django-filter` library, which is required for the tutorial's use of `filter_fields` functionality.

```bash
pip install django-filter
```

--------------------------------

### Set Up Graphene-Django Development Environment

Source: https://github.com/graphql-python/graphene-django/blob/main/CONTRIBUTING.md

Installs all necessary development dependencies for the graphene-django project after cloning the repository, preparing it for local development.

```sh
make dev-setup
```

--------------------------------

### Install Graphene-Django Documentation Dependencies

Source: https://github.com/graphql-python/graphene-django/blob/main/CONTRIBUTING.md

Navigates into the documentation directory and installs the required Python packages for building the project's documentation using pip.

```sh
cd docs
pip install -r requirements.txt
```

--------------------------------

### Install django-filter and Add to Django INSTALLED_APPS

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

Instructions for installing the `django-filter` library using pip and adding `django_filters` to the `INSTALLED_APPS` list in Django's `settings.py` file, which is a prerequisite for Graphene-Django filtering.

```bash
# You'll need to install django-filter
pip install django-filter>=2
```

```python
INSTALLED_APPS = [
    # ...
    "django_filters",
]
```

--------------------------------

### Configure requirements.txt for Local Graphene-Django

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Modifies the project's 'requirements.txt' file to point to a local development version of 'graphene-django' instead of the PyPI package, facilitating testing of local changes to the library.

```text
../../  # graphene-django
```

--------------------------------

### Install Graphene-Django via pip

Source: https://github.com/graphql-python/graphene-django/blob/main/README.md

This command installs the Graphene-Django library using pip, the Python package installer. It's the foundational step to integrate Graphene with a Django project, ensuring all necessary dependencies are met.

```sh
pip install graphene-django
```

--------------------------------

### Create and Activate Python Virtual Environment

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/README.md

Initializes a new Python virtual environment named 'env' to isolate project dependencies and then activates it, ensuring that subsequent Python commands use this isolated environment.

```bash
virtualenv env
source env/bin/activate
```

--------------------------------

### Create and Activate Python Virtual Environment

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook/README.md

Creates a new Python virtual environment named 'env' using virtualenv and then activates it, isolating project dependencies.

```bash
virtualenv env
source env/bin/activate
```

--------------------------------

### Define Graphene Schema Location in Django Settings

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Configures the 'SCHEMA' setting for Graphene within your Django project's settings.py. This specifies the Python path to the Graphene Schema object that your project will use.

```python
GRAPHENE = {
    "SCHEMA": "django_root.schema.schema"
}
```

--------------------------------

### Example GraphQL Response for Category by Name with Relations

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This JSON snippet provides an example of the data returned by the `categoryByName` GraphQL query. It includes the category's details and a nested array of its related ingredients, demonstrating relational data retrieval.

```json
{
  "data": {
    "categoryByName": {
      "id": "1",
      "name": "Dairy",
      "ingredients": [
        {
          "id": "1",
          "name": "Eggs"
        },
        {
          "id": "2",
          "name": "Milk"
        }
      ]
    }
  }
}
```

--------------------------------

### Build Graphene-Django HTML Documentation

Source: https://github.com/graphql-python/graphene-django/blob/main/CONTRIBUTING.md

Generates the HTML version of the project documentation using Sphinx, typically after installing all documentation dependencies.

```sh
make html
```

--------------------------------

### Example GraphQL Response for All Ingredients

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This JSON snippet illustrates the expected data structure returned by the `allIngredients` GraphQL query. It shows a list of ingredient objects, each containing an `id` and `name` field.

```json
{
  "data": {
    "allIngredients": [
      {
        "id": "1",
        "name": "Eggs"
      },
      {
        "id": "2",
        "name": "Milk"
      },
      {
        "id": "3",
        "name": "Beef"
      },
      {
        "id": "4",
        "name": "Chicken"
      }
    ]
  }
}
```

--------------------------------

### Exempt GraphQL Endpoint from CSRF Protection

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/installation.rst

Modifies the GraphQL URL pattern in urls.py to exempt the endpoint from Django's CSRF protection using the csrf_exempt decorator. This is an alternative approach if you do not wish to pass CSRF tokens with every API request.

```python
# urls.py

from django.urls import path
from django.views.decorators.csrf import csrf_exempt

from graphene_django.views import GraphQLView

urlpatterns = [
    # ...
    path("graphql", csrf_exempt(GraphQLView.as_view(graphiql=True))),
]
```

--------------------------------

### Define a Simple Django Post Model

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/authorization.rst

This snippet defines a basic Django `Post` model with fields for title, content, publication status, and an owner, serving as the example model for demonstrating authorization techniques in Graphene-Django.

```python
from django.db import models

class Post(models.Model):
    title = models.CharField(max_length=100)
    content = models.TextField()
    published = models.BooleanField(default=False)
    owner = models.ForeignKey('auth.User')
```

--------------------------------

### Include All Model Fields in DjangoObjectType

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This example demonstrates how to include all fields from a Django model in a `DjangoObjectType` by setting the `fields` attribute to the special value `"__all__"`.

```python
from graphene_django import DjangoObjectType
from .models import Question

class QuestionType(DjangoObjectType):
    class Meta:
        model = Question
        fields = "__all__"
```

--------------------------------

### Example GraphQL Query for Ordering

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

This GraphQL query illustrates how to use the `orderBy` argument to sort results when an `OrderingFilter` is configured. It demonstrates ordering users within a specific group by the `created_at` field in descending order.

```graphql
query {
  group(id: "xxx") {
    users(orderBy: "-created_at") {
      xxx
    }
  }
}
```

--------------------------------

### Test Graphene-Django GraphQL API with Django's test client

Source: https://github.com/graphql-python/graphene-django/blob/main/README.md

This example demonstrates how to write a test case for a Graphene-Django GraphQL API using `GraphQLTestCase`. It shows how to define the schema, execute a GraphQL query, and assert the response for errors and data content, ensuring the API functions as expected.

```python
from django.test import TestCase
from graphene_django.utils.testing import GraphQLTestCase
from . import schema

class MyModelAPITestCase(GraphQLTestCase):
    GRAPHENE_SCHEMA = schema.schema

    def test_query_all_mymodels(self):
        response = self.query(
            '''
            query {
                mymodels {
                    id
                    name
                }
            }
            '''
        )

        self.assertResponseNoErrors(response)
        self.assertEqual(len(response.data['mymodels']), MyModel.objects.count())
```

```graphql
query {
                mymodels {
                    id
                    name
                }
            }
```

--------------------------------

### Partial Custom FilterSet Class Definition

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

An incomplete example showing the beginning of a custom `django_filters.FilterSet` class definition, typically used for more granular control over filtering behavior.

```python
class AnimalFilter(django_filters.FilterSet):
        # Do case-insensitive lookups on 'name'
```

--------------------------------

### Define Graphene Subscription Path

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/settings.rst

Sets an alternative URL path for routing subscription operations, useful for advanced infrastructure setups (e.g., separate WSGI/ASGI servers). GraphiQL uses this for intelligent routing. Default: `None`.

```python
GRAPHENE = {
   'SUBSCRIPTION_PATH': "/ws/graphql"
}
```

--------------------------------

### Test GraphQL Queries and Mutations with unittest

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/testing.rst

Demonstrates how to test GraphQL queries (basic and with variables) and mutations using `GraphQLTestCase` in Django's `unittest` framework. It includes examples of sending GraphQL operations and asserting for no errors in the response.

```python
import json

    from graphene_django.utils.testing import GraphQLTestCase

    class MyFancyTestCase(GraphQLTestCase):
        def test_some_query(self):
            response = self.query(
                '''
                query {
                    myModel {
                        id
                        name
                    }
                }
                ''',
                operation_name='myModel'
            )

            content = json.loads(response.content)

            # This validates the status code and if you get errors
            self.assertResponseNoErrors(response)

            # Add some more asserts if you like
            ...

        def test_query_with_variables(self):
            response = self.query(
                '''
                query myModel($id: Int!){
                    myModel(id: $id) {
                        id
                        name
                    }
                }
                ''',
                operation_name='myModel',
                variables={'id': 1}
            )

            content = json.loads(response.content)

            # This validates the status code and if you get errors
            self.assertResponseNoErrors(response)

            # Add some more asserts if you like
            ...

        def test_some_mutation(self):
            response = self.query(
                '''
                mutation myMutation($input: MyMutationInput!) {
                    myMutation(input: $input) {
                        my-model {
                            id
                            name
                        }
                    }
                }
                ''',
                operation_name='myMutation',
                input_data={'my_field': 'foo', 'other_field': 'bar'}
            )

            # This validates the status code and if you get errors
            self.assertResponseNoErrors(response)

            # Add some more asserts if you like
            ...
```

--------------------------------

### Specify Fields for Automatic Choices to Enum Conversion

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This example shows how to explicitly list which fields should be converted to GraphQL enums by setting `convert_choices_to_enum` to a list of field names in the `Meta` class, allowing fine-grained control.

```python
from graphene_django import DjangoObjectType
from .models import PetModel

class Pet(DjangoObjectType):
    class Meta:
        model = PetModel
        fields = ("id", "kind",)
        convert_choices_to_enum = ["kind"]
```

--------------------------------

### Implement Graphene-Django Relay ClientIDMutation

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/mutations.rst

Provides an example of a Graphene-Django Relay mutation, inheriting from `ClientIDMutation` and implementing the `mutate_and_get_payload` method. It shows how to define input arguments and handle global IDs for updating a model instance.

```python
import graphene
from graphene import relay
from graphene_django import DjangoObjectType
from graphql_relay import from_global_id

from .queries import QuestionType


class QuestionMutation(relay.ClientIDMutation):
    class Input:
        text = graphene.String(required=True)
        id = graphene.ID()

    question = graphene.Field(QuestionType)

    @classmethod
    def mutate_and_get_payload(cls, root, info, text, id):
        question = Question.objects.get(pk=from_global_id(id)[1])
        question.text = text
        question.save()
        return QuestionMutation(question=question)
```

--------------------------------

### Example GraphQL Query for Relay Connection Pagination

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This GraphQL query demonstrates fetching paginated data using Relay's connection specification. It utilizes `first` and `after` arguments for slicing, and requests `pageInfo` (start/end cursors, hasNext/PreviousPage) and `edges` (cursor, node ID, question_text) for each item.

```graphql
{
        questions (first: 2, after: "YXJyYXljb25uZWN0aW9uOjEwNQ==") {
            pageInfo {
                startCursor
                endCursor
                hasNextPage
                hasPreviousPage
            }
            edges {
                cursor
                node {
                    id
                    question_text
                }
            }
        }
    }
```

--------------------------------

### Test GraphQL Queries with pytest

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/testing.rst

Demonstrates how to set up a `pytest` fixture using the `graphql_query` helper and `pytest-django`'s `client` fixture to facilitate testing GraphQL queries. It includes an example of a test function asserting no errors in the GraphQL response.

```python
# Create a fixture using the graphql_query helper and `client` fixture from `pytest-django`.
        import json
        import pytest
        from graphene_django.utils.testing import graphql_query

        @pytest.fixture
        def client_query(client):
            def func(*args, **kwargs):
                return graphql_query(*args, **kwargs, client=client)

            return func

        # Test you query using the client_query fixture
        def test_some_query(client_query):
            response = client_query(
                '''
                query {
                    myModel {
                        id
                        name
                    }
                }
                ''',
                operation_name='myModel'
            )

            content = json.loads(response.content)
            assert 'errors' not in content
```

--------------------------------

### Add Custom Fields and Resolvers to DjangoObjectType

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This example shows how to extend a `DjangoObjectType` by adding a new custom field (`extra_field`) and defining a resolver method (`resolve_extra_field`) for it, allowing for computed or non-model-backed fields.

```python
from graphene_django import DjangoObjectType
from .models import Question

class QuestionType(DjangoObjectType):

    class Meta:
        model = Question
        fields = ("id", "question_text")

    extra_field = graphene.String()

    def resolve_extra_field(self, info):
        return "hello!"
```

--------------------------------

### Define Graphene-Django Query and ObjectType for a Django Model

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This comprehensive example demonstrates how to create a `DjangoObjectType` from a Django `Question` model and define a `Query` class with methods to resolve lists and single instances of `Question` objects, showcasing basic GraphQL query capabilities.

```python
# my_app/schema.py

import graphene
from graphene_django import DjangoObjectType

from .models import Question

class QuestionType(DjangoObjectType):
    class Meta:
        model = Question
        fields = ("id", "question_text")

class Query(graphene.ObjectType):
    questions = graphene.List(QuestionType)
    question_by_id = graphene.Field(QuestionType, id=graphene.String())

    def resolve_questions(root, info, **kwargs):
        # Querying a list
        return Question.objects.all()

    def resolve_question_by_id(root, info, id):
        # Querying a single question
        return Question.objects.get(pk=id)
```

--------------------------------

### Query GraphQL Debug Information

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/debug.rst

This GraphQL query example shows how to retrieve debugging information, including raw SQL queries and exceptions, by querying the `_debug` field. It demonstrates a typical GraphQL query structure alongside the debug field, which must be the last field in the query.

```graphql
{
  # A example that will use the ORM for interact with the DB
  allIngredients {
    edges {
      node {
        id,
        name
      }
    }
  }
  # Here is the debug field that will output the SQL queries
  _debug {
    sql {
      rawSql
    }
    exceptions {
      message
      stack
    }
  }
}
```

--------------------------------

### Initial Django FilterSet and Graphene-Django Type Definitions

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

This snippet demonstrates the basic setup for integrating `django-filters` with `graphene-django`. It defines a `FilterSet` for an `Animal` model, a `DjangoObjectType` for the GraphQL schema, and a `Query` class to expose `Animal` data with filtering capabilities via `DjangoFilterConnectionField`.

```python
        name = django_filters.CharFilter(lookup_expr=['iexact'])

        class Meta:
            # Assume you have an Animal model defined with the following fields
            model = Animal
            fields = ['name', 'genus', 'is_domesticated']


    class AnimalNode(DjangoObjectType):
        class Meta:
            model = Animal
            fields = '__all__'
            filterset_class = AnimalFilter
            interfaces = (relay.Node, )


    class Query(ObjectType):
        animal = relay.Node.Field(AnimalNode)
        all_animals = DjangoFilterConnectionField(AnimalNode)
```

--------------------------------

### Example JSON Response for GraphQL Relay Connection Query

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

This JSON object illustrates the expected response format for a GraphQL Relay connection query. It includes the `pageInfo` object with pagination metadata and an `edges` array, where each edge contains a `cursor` and the `node` data (ID, question_text).

```json
{
        "data": {
            "questions": {
            "pageInfo": {
                "startCursor": "YXJyYXljb25uZWN0aW9uOjEwNg==",
                "endCursor": "YXJyYXljb25uZWN0aW9uOjEwNw==",
                "hasNextPage": true,
                "hasPreviousPage": false
            },
            "edges": [
                {
                "cursor": "YXJyYXljb25uZWN0aW9uOjEwNg==",
                "node": {
                    "id": "UGxhY2VUeXBlOjEwNw==",
                    "question_text": "How did we get here?"
                }
                },
                {
                "cursor": "YXJyYXljb25uZWN0aW9uOjEwNw==",
                "node": {
                    "id": "UGxhY2VUeXBlOjEwOA==",
                    "name": "Where are we?"
                }
                }
            ]
            }
        }
    }
```

--------------------------------

### Extend Graphene Schema with external Query and Mutation types in Python

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/schema.rst

This example illustrates how to extend an existing `graphene.Schema` by incorporating custom `Query` and `Mutation` objects from other modules (e.g., `my_app.schema`). It shows how to use mixins to combine multiple `ObjectType` definitions into the main schema.

```python
import graphene

import my_app.schema.Query
import my_app.schema.Mutation

class Query(
    my_app.schema.Query, # Add your Query objects here
    graphene.ObjectType
):
    pass

class Mutation(
    my_app.schema.Mutation, # Add your Mutation objects here
    graphene.ObjectType
):
    pass

schema = graphene.Schema(query=Query, mutation=Mutation)
```

--------------------------------

### Creating a GraphQL Mutation from a Django Form

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/mutations.rst

This example illustrates the use of `DjangoFormMutation` to automatically generate a GraphQL mutation from a standard Django form. It defines a simple `forms.Form` and then creates a `DjangoFormMutation` subclass, linking it via the `Meta.form_class` attribute. This simplifies the process of exposing form-based inputs in GraphQL.

```python
from graphene_django.forms.mutation import DjangoFormMutation

class MyForm(forms.Form):
    name = forms.CharField()

class MyMutation(DjangoFormMutation):
    class Meta:
        form_class = MyForm
```

--------------------------------

### Define Basic Filterable Fields for DjangoObjectType

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

Demonstrates how to specify simple `filter_fields` in a `DjangoObjectType`'s `Meta` class to enable basic filtering on model fields like `name`, `genus`, and `is_domesticated`. Includes a GraphQL query example for filtering by `genus` and `isDomesticated`.

```python
class AnimalNode(DjangoObjectType):
    class Meta:
        # Assume you have an Animal model defined with the following fields
        model = Animal
        fields = '__all__'
        filter_fields = ['name', 'genus', 'is_domesticated']
        interfaces = (relay.Node, )
```

```graphql
query {
  # Note that fields names become camelcased
  allAnimals(genus: "cat", isDomesticated: true) {
    edges {
      node {
        id,
        name
      }
    }
  }
}
```

--------------------------------

### Perform Initial Django Database Migration

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This bash command navigates back to the project root and runs the initial Django database migration, which sets up the necessary default tables for the project's database.

```bash
cd ..
python manage.py migrate
```

--------------------------------

### Implement Custom django-filter FilterSet for Advanced Filtering

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

Illustrates how to create a custom `django_filters.FilterSet` class to define advanced filtering logic, such as case-insensitive lookups or multiple-choice selections. This custom filterset is then applied to a `DjangoFilterConnectionField` in the Graphene `Query` class. Includes a GraphQL query example using the custom filter.

```python
class AnimalNode(DjangoObjectType):
    class Meta:
        # Assume you have an Animal model defined with the following fields
        model = Animal
        fields = '__all__'
        filter_fields = ['name', 'genus', 'is_domesticated']
        interfaces = (relay.Node, )


class AnimalFilter(django_filters.FilterSet):
    # Do case-insensitive lookups on 'name'
    name = django_filters.CharFilter(lookup_expr=['iexact'])
    # Allow multiple genera to be selected at once
    genera = django_filters.MultipleChoiceFilter(
        field_name='genus',
        choices=(
            ('Canis', 'Canis'),
            ('Panthera', 'Panthera'),
            ('Seahorse', 'Seahorse')
        )
    )

    class Meta:
        model = Animal
        fields = ['name', 'genus', 'is_domesticated']


class Query(ObjectType):
    animal = relay.Node.Field(AnimalNode)
    # We specify our custom AnimalFilter using the filterset_class param
    all_animals = DjangoFilterConnectionField(AnimalNode,
                                              filterset_class=AnimalFilter)
```

```graphql
query {
  allAnimals(genera: ["Canis", "Panthera"]) {
    edges {
      node {
        id,
        name
      }
    }
  }
}
```

--------------------------------

### Customizing Input and Return Field Names in DjangoModelFormMutation

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/mutations.rst

This example shows how to customize the default input and return field names for a `DjangoModelFormMutation`. By setting `input_field_name` and `return_field_name` in the `Meta` class, developers can control how the mutation's arguments are named and what the successful response field is called in the GraphQL schema.

```python
class PetMutation(DjangoModelFormMutation):
    class Meta:
        form_class = PetForm
        input_field_name = 'data'
        return_field_name = 'my_pet'
```

--------------------------------

### Run Initial Django Database Migrations

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Command to apply initial database migrations for the newly created Django project and its applications.

```bash
python manage.py migrate
```

--------------------------------

### Run Django Development Server

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Bash command initiates the Django development server, making the web application and its GraphQL API accessible locally. It's a standard command for testing Django projects during development.

```bash
python manage.py runserver
```

--------------------------------

### Add Graphene-Django to Django INSTALLED_APPS

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This configuration snippet for Django's `settings.py` demonstrates how to enable the `graphene_django` application. Adding it to `INSTALLED_APPS` is a prerequisite for integrating Graphene's GraphQL functionalities into a Django project.

```python
# cookbook/settings.py

INSTALLED_APPS = [
    ...
    "graphene_django",
]
```

--------------------------------

### Add Ingredients App to Django Settings

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python snippet demonstrates how to register the newly created `ingredients` app in the `INSTALLED_APPS` list within the Django project's `settings.py` file. This step is crucial for Django to discover and include the app's models and configurations.

```python
# cookbook/settings.py

INSTALLED_APPS = [
    ...
    # Install the ingredients app
    "cookbook.ingredients",
]
```

--------------------------------

### Add Graphene-Django and App to INSTALLED_APPS

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Configures Django's `INSTALLED_APPS` to include `graphene_django` and the `ingredients` app, making necessary commands and functionalities available.

```python
INSTALLED_APPS = [
    ...
    # This will also make the `graphql_schema` management command available
    'graphene_django',

    # Install the ingredients app
    'ingredients',
]
```

--------------------------------

### Load Test Data from Fixture

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This bash command loads sample data into the Django database from a specified JSON fixture file named `ingredients`. This is a convenient way to populate the database with initial or test data without manual entry.

```bash
python manage.py loaddata ingredients
```

--------------------------------

### Create and Apply Django Model Migrations

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Commands to generate new database migrations based on changes to Django models and then apply those migrations to the database.

```bash
python manage.py makemigrations
python manage.py migrate
```

--------------------------------

### Query All Ingredients

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

A GraphQL query to retrieve the `id` and `name` of all ingredients available in the system, demonstrating basic data fetching.

```graphql
query {
  allIngredients {
    edges {
      node {
        id,
        name
      }
    }
  }
}
```

--------------------------------

### GraphQL Query for All Ingredients

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This GraphQL query fetches all available ingredients from the API. It requests the `id` and `name` fields for each ingredient, demonstrating a basic data retrieval operation.

```graphql
query {
  allIngredients {
    id
    name
  }
}
```

--------------------------------

### Create GraphQL and GraphiQL URL Endpoint

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Defines a URL pattern for the GraphQL endpoint using `GraphQLView.as_view()`, enabling the GraphiQL IDE for interactive testing.

```python
from django.conf.urls import url, include
from django.contrib import admin

from graphene_django.views import GraphQLView

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^graphql$', GraphQLView.as_as_view(graphiql=True)),
]
```

--------------------------------

### Example GraphQL Query for ArrayField Filtering

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

This GraphQL query demonstrates how to filter events based on values within a PostgreSQL `ArrayField`. It uses the `tags_Overlap` argument to retrieve events that have any of the specified tags ('concert', 'festival').

```graphql
query {
  events(tags_Overlap: ["concert", "festival"]) {
    name
  }
}
```

--------------------------------

### Load Test Data into Django Database

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Command to load fixture data from a JSON file into the Django database, populating models with initial test entries.

```bash
$ python ./manage.py loaddata ingredients
```

--------------------------------

### Configure Django URLs for GraphQL and GraphiQL

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python code for `urls.py` sets up a single GraphQL endpoint at `/graphql` using Graphene's `GraphQLView`. It also enables the GraphiQL interface for interactive query testing and applies `csrf_exempt` for convenience in development.

```python
# cookbook/urls.py

from django.contrib import admin
from django.urls import path
from django.views.decorators.csrf import csrf_exempt

from graphene_django.views import GraphQLView

urlpatterns = [
    path("admin/", admin.site.urls),
    path("graphql", csrf_exempt(GraphQLView.as_view(graphiql=True))),
]
```

--------------------------------

### Generate and Apply Django Migrations

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

These bash commands are used to manage database schema changes. `makemigrations` creates new migration files based on changes detected in the models, and `migrate` applies those pending migrations to update the database schema.

```bash
python manage.py makemigrations
python manage.py migrate
```

--------------------------------

### Define Project-Level Graphene Schema

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Creates the main Graphene schema for the project by combining app-level queries, allowing for a unified GraphQL endpoint.

```python
import graphene

import ingredients.schema


class Query(ingredients.schema.Query, graphene.ObjectType):
    # This class will inherit from multiple Queries
    # as we begin to add more apps to our project
    pass

schema = graphene.Schema(query=Query)
```

--------------------------------

### Implement custom resolvers for DjangoListField

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/fields.rst

This example illustrates how to apply custom filtering to DjangoListField results using both the DjangoObjectType's get_queryset method and the Query object's field resolver. It demonstrates filtering for published recipes and those with a title.

```python
from graphene import ObjectType, Schema
from graphene_django import DjangoListField

class RecipeType(DjangoObjectType):
   class Meta:
      model = Recipe
      fields = ("title", "instructions")

   @classmethod
   def get_queryset(cls, queryset, info):
      # Filter out recipes that have no title
      return queryset.exclude(title__exact="")

class Query(ObjectType):
   recipes = DjangoListField(RecipeType)

   def resolve_recipes(parent, info):
      # Only get recipes that have been published
      return Recipe.objects.filter(published=True)

schema = Schema(query=Query)
```

--------------------------------

### Filter Queryset for List Fields in Graphene

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/authorization.rst

This example shows how to filter a queryset for a list field (`all_posts`) in a Graphene `Query` object. By defining a `resolve_all_posts` method, the returned queryset can be restricted, in this case, to only include `Post` objects where `published` is `True`.

```python
from graphene import ObjectType
from graphene_django.filter import DjangoFilterConnectionField
from .models import Post

class Query(ObjectType):
    all_posts = DjangoFilterConnectionField(PostNode)

    def resolve_all_posts(self, info):
         return Post.objects.filter(published=True)
```

--------------------------------

### Example GraphQL Mutation with Multiple Atomic Operations

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/mutations.rst

A GraphQL mutation demonstrating two `increaseCredits` operations. When `ATOMIC_MUTATIONS` is enabled, if one operation fails (e.g., invalid amount), the entire transaction is rolled back, ensuring no partial updates occur.

```graphql
mutation IncreaseCreditsTwice {

    increaseCredits1: increaseCredits(input: { amount: 10 }) {
        balance
        errors {
            field
            messages
        }
    }

    increaseCredits2: increaseCredits(input: { amount: -1 }) {
        balance
        errors {
            field
            messages
        }
    }

}
```

--------------------------------

### Run Graphene-Django Test Suite

Source: https://github.com/graphql-python/graphene-django/blob/main/CONTRIBUTING.md

Executes the full test suite for the graphene-django project to verify functionality and ensure code changes haven't introduced regressions.

```sh
make tests
```

--------------------------------

### Implement Context-Dependent Filtering with Request Object

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

This example shows how to customize a `django_filters.FilterSet` to perform context-dependent filtering. By overriding the `qs` property, it accesses the `request` object (passed as `context`) to filter results based on the authenticated user, allowing for personalized data retrieval.

```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)
```

--------------------------------

### Configure Graphene Schema in Django Settings

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Specifies the path to the main Graphene schema within Django's settings, allowing Graphene to locate and use it for the GraphQL endpoint.

```python
GRAPHENE = {
    'SCHEMA': 'cookbook.schema.schema'
}
```

--------------------------------

### Define Complex Lookup Types for DjangoObjectType Filtering

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/filtering.rst

Shows how to configure `filter_fields` with a dictionary to allow more complex lookup types (e.g., `exact`, `icontains`, `istartswith`) for specific fields in a `DjangoObjectType`. Includes a GraphQL query example demonstrating a case-insensitive contains lookup.

```python
class AnimalNode(DjangoObjectType):
    class Meta:
        model = Animal
        fields = '__all__'
        # Provide more complex lookup types
        filter_fields = {
            'name': ['exact', 'icontains', 'istartswith'],
            'genus': ['exact'],
            'is_domesticated': ['exact'],
        }
        interfaces = (relay.Node, )
```

```graphql
query {
  # Note that fields names become camelcased
  allAnimals(name_Icontains: "lion") {
    edges {
      node {
        id,
        name
      }
    }
  }
}
```

--------------------------------

### Define Django Models for Ingredients

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python code defines two Django models, `Category` and `Ingredient`, within the `cookbook/ingredients/models.py` file. It establishes a `ForeignKey` relationship, linking ingredients to categories, and includes `__str__` methods for human-readable representation.

```python
# cookbook/ingredients/models.py
from django.db import models

class Category(models.Model):
    name = models.CharField(max_length=100)

    def __str__(self):
        return self.name

class Ingredient(models.Model):
    name = models.CharField(max_length=100)
    notes = models.TextField()
    category = models.ForeignKey(
        Category, related_name="ingredients", on_delete=models.CASCADE
    )

    def __str__(self):
        return self.name
```

--------------------------------

### Create GraphQL and GraphiQL URL Endpoint with Explicit Schema

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

An alternative method to define the GraphQL endpoint, explicitly passing the Graphene schema to `GraphQLView.as_view()` directly in the URL configuration.

```python
from django.conf.urls import url, include
from django.contrib import admin

from graphene_django.views import GraphQLView

from cookbook.schema import schema

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^graphql$', GraphQLView.as_view(graphiql=True, schema=schema)),
]
```

--------------------------------

### Define Graphene Schema and Object Types

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python code, located in `cookbook/schema.py`, defines the GraphQL schema using Graphene. It creates `DjangoObjectType` classes for `Category` and `Ingredient` models, automatically mapping their fields, and then defines a `Query` class to expose `all_ingredients` as a list of `IngredientType`.

```python
# cookbook/schema.py
import graphene
from graphene_django import DjangoObjectType

from cookbook.ingredients.models import Category, Ingredient

class CategoryType(DjangoObjectType):
    class Meta:
        model = Category
        fields = ("id", "name", "ingredients")

class IngredientType(DjangoObjectType):
    class Meta:
        model = Ingredient
        fields = ("id", "name", "notes", "category")

class Query(graphene.ObjectType):
    all_ingredients = graphene.List(IngredientType)
```

--------------------------------

### Configure Graphene-Django in Django settings

Source: https://github.com/graphql-python/graphene-django/blob/main/README.md

This Python snippet shows how to configure Graphene-Django in a Django project's `settings.py` file. It involves adding 'graphene_django' to the `INSTALLED_APPS` list and defining the GraphQL schema's path within the `GRAPHENE` dictionary.

```python
INSTALLED_APPS = [
    # ...
    'graphene_django',
]

GRAPHENE = {
    'SCHEMA': 'myapp.schema.schema'
}
```

--------------------------------

### Python Project Dependencies

Source: https://github.com/graphql-python/graphene-django/blob/main/examples/cookbook-plain/requirements.txt

This snippet lists the essential Python packages and their version constraints, typically found in a `requirements.txt` file. It ensures that the project runs with compatible versions of `django`, `graphene`, and `graphene-django`, preventing potential conflicts and ensuring consistent behavior across environments.

```Python
django~=3.2
graphene
graphene-django>=3.1
```

--------------------------------

### Define Graphene-Django GraphQL Schema and Resolvers

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python snippet defines parts of a Graphene `Query` type, including a field `category_by_name` and resolver methods `resolve_all_ingredients` and `resolve_category_by_name`. It also initializes the main Graphene schema, demonstrating how to expose Django model data through a GraphQL API.

```python
        category_by_name = graphene.Field(CategoryType, name=graphene.String(required=True))

        def resolve_all_ingredients(root, info):
            # We can easily optimize query count in the resolve method
            return Ingredient.objects.select_related("category").all()

        def resolve_category_by_name(root, info, name):
            try:
                return Category.objects.get(name=name)
            except Category.DoesNotExist:
                return None

    schema = graphene.Schema(query=Query)
```

--------------------------------

### JSON Response for Failed Atomic GraphQL Mutation

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/mutations.rst

The expected JSON response for the example GraphQL mutation where the second `increaseCredits` operation fails due to an invalid amount. Despite the partial success indicated in the response, the `ATOMIC_MUTATIONS` setting ensures the database balance remains unchanged.

```json
{
    "data": {
        "increaseCredits1": {
            "balance": 10.0,
            "errors": []
        },
        "increaseCredits2": {
            "balance": null,
            "errors": [
                {
                    "field": "amount",
                    "message": "Amount should be a positive number"
                }
            ]
        }
    }
}
```

--------------------------------

### Configure Ingredients App in apps.py

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python code defines the `AppConfig` for the `ingredients` app in `cookbook/ingredients/apps.py`. It specifies the `default_auto_field` for primary keys and explicitly sets the `name` of the app, which is important for Django's internal app registry.

```python
# cookbook/ingredients/apps.py

from django.apps import AppConfig


class IngredientsConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'cookbook.ingredients'
```

--------------------------------

### Configure Graphene Schema in Django Settings

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python snippet for `settings.py` shows how to specify the path to the main Graphene schema object. This configuration allows Graphene-Django to automatically locate and use the defined GraphQL schema for handling API requests.

```python
# cookbook/settings.py

GRAPHENE = {
    "SCHEMA": "cookbook.schema.schema"
}
```

--------------------------------

### Configure Graphene-Django Settings Dictionary

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/settings.rst

Add settings to your Django project by creating a Dictionary named `GRAPHENE` in the project's `settings.py` file.

```python
GRAPHENE = {
    ...
}
```

--------------------------------

### Query All Categories with Nested Ingredients

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

A GraphQL query that retrieves all categories and, for each category, lists the names of its associated ingredients, demonstrating nested queries.

```graphql
query {
  allCategories {
    edges {
      node {
        name,
        ingredients {
          edges {
            node {
              name
            }
          }
        }
      }
    }
  }
}
```

--------------------------------

### Expose Graphene-Django GraphQL API in Django URLs

Source: https://github.com/graphql-python/graphene-django/blob/main/README.md

This Python snippet shows how to integrate the Graphene-Django GraphQL API into a Django project's `urls.py`. It maps the `/graphql/` endpoint to `GraphQLView.as_view(graphiql=True)`, which enables the GraphiQL in-browser IDE for testing and exploring the API.

```python
from django.urls import path
from graphene_django.views import GraphQLView
from . import schema

urlpatterns = [
    # ...
    path('graphql/', GraphQLView.as_view(graphiql=True)), # Given that schema path is defined in GRAPHENE['SCHEMA'] in your settings.py
]
```

--------------------------------

### Export GraphQL Schema as SDL File

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/introspection.rst

This bash command exports the Graphene schema (`tutorial.quickstart.schema`) as a GraphQL Schema Definition Language (SDL) file named `schema.graphql`. This provides a human-readable and portable representation of your GraphQL schema.

```bash
./manage.py graphql_schema --schema tutorial.quickstart.schema --out schema.graphql
```

--------------------------------

### Query All Ingredients with Category Details

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This GraphQL query retrieves a list of all ingredients. For each ingredient, it fetches its unique identifier (id), name, and details about its associated category, including the category's id and name.

```GraphQL
query {
  allIngredients {
    id
    name
    category {
      id
      name
    }
  }
}
```

--------------------------------

### Format and Lint Graphene-Django Code Locally

Source: https://github.com/graphql-python/graphene-django/blob/main/CONTRIBUTING.md

Applies code formatting and runs lint checks locally to ensure code quality and adherence to project standards before submitting a pull request, which helps save time on CI checks.

```sh
make format
make lint
```

--------------------------------

### Define Graphene Query Object with Simple Resolver

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/queries.rst

Illustrates how to define a `graphene.ObjectType` as a root `Query` and implement a basic resolver (`resolve_foo`) to fetch data, demonstrating the connection between a GraphQL field and its data source.

```python
import graphene
from .models import Question
from .types import QuestionType

class Query(graphene.ObjectType):
    foo = graphene.List(QuestionType)

    def resolve_foo(root, info, **kwargs):
        id = kwargs.get("id")
        return Question.objects.get(id)
```

--------------------------------

### Register Models with Django Admin

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-plain.rst

This Python code, placed in `cookbook/ingredients/admin.py`, registers the `Category` and `Ingredient` models with the Django administration site. This allows administrators to view, add, edit, and delete instances of these models through the built-in Django admin interface.

```python
# cookbook/ingredients/admin.py
from django.contrib import admin
from cookbook.ingredients.models import Category, Ingredient

admin.site.register(Category)
admin.site.register(Ingredient)
```

--------------------------------

### Initialize a basic Graphene Schema in Python

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/schema.rst

This snippet demonstrates the most basic way to create a `graphene.Schema` object in Python, defining empty `Query` and `Mutation` types that can be extended later. It sets up the fundamental structure for a GraphQL API.

```python
import graphene

class Query(graphene.ObjectType):
    pass

class Mutation(graphene.ObjectType):
    pass

schema = graphene.Schema(query=Query, mutation=Mutation)
```

--------------------------------

### Define Django Models for Ingredients App

Source: https://github.com/graphql-python/graphene-django/blob/main/docs/tutorial-relay.rst

Python code defining `Category` and `Ingredient` models using Django's ORM, including fields like name, notes, and a foreign key relationship.

```python
# cookbook/ingredients/models.py
from django.db import models


class Category(models.Model):
    name = models.CharField(max_length=100)

    def __str__(self):
        return self.name


class Ingredient(models.Model):
    name = models.CharField(max_length=100)
    notes = models.TextField()
    category = models.ForeignKey(Category, related_name='ingredients', on_delete=models.CASCADE)

    def __str__(self):
        return self.name
```

--------------------------------

### Define GraphQL types and queries with Graphene-Django

Source: https://github.com/graphql-python/graphene-django/blob/main/README.md

This Python code demonstrates how to create a `schema.py` file in a Django app. It defines a `DjangoObjectType` for a Django model (`MyModel`) and a `Query` class to expose model data via GraphQL, including a resolver function to fetch all instances of the model.

```python
import graphene
from graphene_django import DjangoObjectType
from .models import MyModel

class MyModelType(DjangoObjectType):
    class Meta:
        model = MyModel

class Query(graphene.ObjectType):
    mymodels = graphene.List(MyModelType)

    def resolve_mymodels(self, info, **kwargs):
        return MyModel.objects.all()

schema = graphene.Schema(query=Query)
```