serializers.py 文件源码

def get_fields(self):
        field_mapping = OrderedDict()
        for key, value in self.instance.items():
            if key == 'node_class':
                field_mapping['to'] = serializers.CharField(default=value.__label__)
            elif isinstance(value, RelationshipMeta):
                field_mapping['meta'] = serializers.DictField(
                    child=serializers.CharField(),
                    default={k: v.default for k, v in value.__dict__.items() if isinstance(v, properties.Property)})
            elif key == 'direction':
                field_mapping[key] = serializers.IntegerField(default=value)
            elif key == 'relation_type':
                field_mapping[key] = serializers.CharField(default=value)
        return field_mapping