graphene-django/docs/settings.rst

Settings
========

Graphene-Django can be customised using settings. This page explains each setting and their defaults.

Usage
-----

Add settings to your Django project by creating a Dictonary with name ``GRAPHENE`` in the project's ``settings.py``:

.. code:: python

    GRAPHENE = {
        ...
    }


``SCHEMA``
----------

The location of the top-level ``Schema`` class.

Default: ``None``

.. code:: python

    GRAPHENE = {
        'SCHEMA': 'path.to.schema.schema',
    }


``SCHEMA_OUTPUT``
-----------------

The name of the file where the GraphQL schema output will go.

Default: ``schema.json``

.. code:: python

    GRAPHENE = {
        'SCHEMA_OUTPUT': 'schema.json',
    }


``SCHEMA_INDENT``
-----------------

The indentation level of the schema output.

Default: ``2``

.. code:: python

    GRAPHENE = {
        'SCHEMA_INDENT': 2,
    }


``MIDDLEWARE``
--------------

A tuple of middleware that will be executed for each GraphQL query.

See the `middleware documentation <https://docs.graphene-python.org/en/latest/execution/middleware/>`__ for more information.

Default: ``()``

.. code:: python

    GRAPHENE = {
        'MIDDLEWARE': (
            'path.to.my.middleware.class',
        ),
    }


``RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST``
------------------------------------------

Enforces relay queries to have the ``first`` or ``last`` argument.

Default: ``False``

.. code:: python

    GRAPHENE = {
        'RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST': False,
    }


``RELAY_CONNECTION_MAX_LIMIT``
------------------------------

The maximum size of objects that can be requested through a relay connection.

Default: ``100``

.. code:: python

    GRAPHENE = {
        'RELAY_CONNECTION_MAX_LIMIT': 100,
    }


``CAMELCASE_ERRORS``
------------------------------------

When set to ``True`` field names in the ``errors`` object will be camel case.
By default they will be snake case.

Default: ``False``

.. code:: python

   GRAPHENE = {
      'CAMELCASE_ERRORS': False,
   }

   # result = schema.execute(...)
   print(result.errors)
   # [
   #     {
   #         'field': 'test_field',
   #         'messages': ['This field is required.'],
   #     }
   # ]

.. code:: python

   GRAPHENE = {
      'CAMELCASE_ERRORS': True,
   }

   # result = schema.execute(...)
   print(result.errors)
   # [
   #     {
   #         'field': 'testField',
   #         'messages': ['This field is required.'],
   #     }
   # ]


``DJANGO_CHOICE_FIELD_ENUM_V2_NAMING``
--------------------------------------

Set to ``True`` to use the old naming format for the auto generated Enum types from Django choice fields. The old format looks like this: ``{object_name}_{field_name}``

Default: ``False``


``DJANGO_CHOICE_FIELD_ENUM_CUSTOM_NAME``
----------------------------------------

Define the path of a function that takes the Django choice field and returns a string to completely customise the naming for the Enum type.

If set to a function then the ``DJANGO_CHOICE_FIELD_ENUM_V2_NAMING`` setting is ignored.

Default: ``None``

.. code:: python

   # myapp.utils
   def enum_naming(field):
      if isinstance(field.model, User):
         return f"CustomUserEnum{field.name.title()}"
      return f"CustomEnum{field.name.title()}"

   GRAPHENE = {
      'DJANGO_CHOICE_FIELD_ENUM_CUSTOM_NAME': "myapp.utils.enum_naming"
   }