Sample code for blog post "Write more classes"

basic.py

class AccountSerializer(serializers.ModelSerializer):

    class Meta:
        model = Account
        fields = ('id', 'account_name', 'user_set', 'created')
        depth = 1

extended.py

class CustomUserSerializer(serializers.ModelSerializer):

    class Meta:
        model = User
        fields = ('id', 'realname')


class AccountSerializer(serializers.ModelSerializer):

    class Meta:
        model = Account
        fields = ('id', 'account_name', 'user_set', 'created')
        depth = 1

    def get_nested_field(self, model_field, related_model, to_many):
        if related_model == User:
            return CustomUserSerializer(many=to_many)
        else:
            return super(AccountSerializer, self).get_nested_field(
                model_field, related_model, to_many
            )