nested_proxy.py 文件源码

def update(self, instance, validated_data):
        """Update.

        :param instance:
        :param validated_data:
        :return:
        """
        # Collect information on nested serializers
        __nested_serializers, __nested_serializers_data = \
            extract_nested_serializers(
                self,
                validated_data,
            )

        # Update the instance
        instance = super(ModelSerializer, self).update(
            instance,
            validated_data
        )

        # Assign fields to the `instance` one by one
        set_instance_values(
            __nested_serializers,
            __nested_serializers_data,
            instance
        )

        # Save the instance and return
        instance.save()
        return instance