Django Rest Framework: Disable field update after object is created

Question

I\'m trying to make my User model RESTful via Django Rest Framework API calls, so that I can create users as well as update their profiles.

However, as I go through

Answer 1

This post mentions four different ways to achieve this goal.

This was the cleanest way I think: [collection must not be edited]

class DocumentSerializer(serializers.ModelSerializer):

    def update(self, instance, validated_data):
        if 'collection' in validated_data:
            raise serializers.ValidationError({
                'collection': 'You must not change this field.',
            })

        return super().update(instance, validated_data)