Constant Field Type for DRF

A ConstantField type for Django REST Framework.

Installation

pip install djangorestframework-constant-field

Usage

Using this is really simple, just set the value attribute on your serializer:

from rest_framework import serializers
from rest_framework_constant.fields import ConstantField


class MySerializer(serializers.Serializer):
    """Custom Serializer
    """

    my_value = ConstantField(value='My Value')


serialized = MySerializer()

print(serialized.data)

# {
#     'my_value': 'My Value',
# }

Why?

This is useful when you're building a serializer to integrate into some third party system where some of your fields are pre-defined. The above example is equivalent to:

from rest_framework import serializers


class MySerializer(serializers.Serializer):
    """Custom Serializer
    """

    my_value = serializers.SerializerMethodField()

    def get_my_value(self, obj):
        """Excessive code.
        """
        return 'My Value'

Testing & Contributing

To build and test this package, simply fork this repo and:

git clone git@github.com:<yourname>/djangorestframework-constant-field.git

cd djangorestframework-constant-field
pip install -r requirements.txt
python setup.py test

The current app is almost completely contained inside rest_framework_constant.