# DRF-inclusions

A django-restframework renderer to side-load related resources.

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[travis]: https://travis-ci.org/isprojects/djangorestframework-inclusions
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[pypi]: https://pypi.org/project/djangorestframework-inclusions/


One drawback of RESTful APIs is that you have to make _many_ calls to fetch all
the related resources. DRF-inclusions provides a custom renderer allowing you
to sideload those in a single, original request.

DRF-inclusions allows you to specify which serializers to use for included
resources, and via the query string the client can specify which resources
should be included.

Features:

* arbitrary depth
* option to include _all_ related resources
* de-duplication when the same object is found in multiple parent/related
  objects
* an effort is made to retrieve related objects in as little DB queries as possible

## Installation

```bash
pip install djangorestframework-inclusions
```

## Usage

```python
from rest_framework_inclusions.renderer import InclusionJSONRenderer


class MySerializer(...):
    inclusion_serializers = {"some_field": OtherSerializer}


class MyViewSet(...):
    ...
    renderer_classes = (InclusionJSONRenderer,)
```

See the `tests` and `testapp` for advanced usage examples.


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