'''

field serializing and deserializing metacategorization protocols

'''

import logging

from rest_framework import serializers

logger = logging.getLogger(__name__)

class ProtocolField(serializers.Field):

    def get_attribute(self, obj):

        logger.debug("ProtocolField.get_attribute %r", obj)

        # We pass the object instance onto `to_representation`,

        # not just the field attribute.

        return obj

    def to_representation(self, obj):

        logger.debug("ProtocolField.to_representation %r", obj)

    def to_internal_value(self, data):

        logger.debug("ProtocolField.to_internal_value %r", data)

        return "base protocol"