graphene-django/README.rst

Please read
`UPGRADE-v2.0.md <https://github.com/graphql-python/graphene/blob/master/UPGRADE-v2.0.md>`__
to learn how to upgrade to Graphene ``2.0``.

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

|Graphene Logo| Graphene-Django |Build Status| |PyPI version| |Coverage Status|
===============================================================================

A `Django <https://www.djangoproject.com/>`__ integration for
`Graphene <http://graphene-python.org/>`__.

Installation
------------

For instaling graphene, just run this command in your shell

.. code:: bash

    pip install "graphene-django>=2.0"

Settings
~~~~~~~~

.. code:: python

    INSTALLED_APPS = (
        # ...
        'graphene_django',
    )

    GRAPHENE = {
        'SCHEMA': 'app.schema.schema' # Where your Graphene schema lives
    }

Urls
~~~~

We need to set up a ``GraphQL`` endpoint in our Django app, so we can
serve the queries.

.. code:: python

    from django.conf.urls import url
    from graphene_django.views import GraphQLView

    urlpatterns = [
        # ...
        url(r'^graphql', GraphQLView.as_view(graphiql=True)),
    ]

Examples
--------

Here is a simple Django model:

.. code:: python

    from django.db import models

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

To create a GraphQL schema for it you simply have to write the
following:

.. code:: python

    from graphene_django import DjangoObjectType
    import graphene

    class User(DjangoObjectType):
        class Meta:
            model = UserModel

    class Query(graphene.ObjectType):
        users = graphene.List(User)

        @graphene.resolve_only_args
        def resolve_users(self):
            return UserModel.objects.all()

    schema = graphene.Schema(query=Query)

Then you can simply query the schema:

.. code:: python

    query = '''
        query {
          users {
            name,
            lastName
          }
        }
    '''
    result = schema.execute(query)

To learn more check out the following `examples <examples/>`__:

-  **Schema with Filtering**: `Cookbook example <examples/cookbook>`__
-  **Relay Schema**: `Starwars Relay example <examples/starwars>`__

Contributing
------------

After cloning this repo, ensure dependencies are installed by running:

.. code:: sh

    pip install -e ".[test]"

After developing, the full test suite can be evaluated by running:

.. code:: sh

    py.test graphene_django --cov=graphene_django # Use -v -s for verbose mode

Documentation
~~~~~~~~~~~~~

The `documentation <http://docs.graphene-python.org/projects/django/en/latest/>`__ is generated using the excellent
`Sphinx <http://www.sphinx-doc.org/>`__ and a custom theme.

The documentation dependencies are installed by running:

.. code:: sh

    cd docs
    pip install -r requirements.txt

Then to produce a HTML version of the documentation:

.. code:: sh

    make html

.. |Graphene Logo| image:: http://graphene-python.org/favicon.png
.. |Build Status| image:: https://travis-ci.org/graphql-python/graphene-django.svg?branch=master
   :target: https://travis-ci.org/graphql-python/graphene-django
.. |PyPI version| image:: https://badge.fury.io/py/graphene-django.svg
   :target: https://badge.fury.io/py/graphene-django
.. |Coverage Status| image:: https://coveralls.io/repos/graphql-python/graphene-django/badge.svg?branch=master&service=github
   :target: https://coveralls.io/github/graphql-python/graphene-django?branch=master