Method _internal_construct

ormar/models/newbasemodel.py:164–208

Internal-only factory for constructing model instances with pk_only or excluded support. Not reachable from user-supplied kwargs or JSON deserialization. :param _pk_only: if True, skip validation and set only pk field :type _pk_only: bool :param _exc

(
        cls,
        _pk_only: bool = False,
        _excluded: Optional[set[str]] = None,
        **kwargs: Any,
    )

    @classmethod
    def _internal_construct(
        cls,
        _pk_only: bool = False,
        _excluded: Optional[set[str]] = None,
        **kwargs: Any,
    ) -> "NewBaseModel":
        """
        Internal-only factory for constructing model instances with pk_only or
        excluded support. Not reachable from user-supplied kwargs or JSON
        deserialization.

        :param _pk_only: if True, skip validation and set only pk field
        :type _pk_only: bool
        :param _excluded: set of field names to explicitly set to None
        :type _excluded: Optional[set[str]]
        :param kwargs: field values for the model
        :type kwargs: Any
        :return: constructed model instance
        :rtype: NewBaseModel
        """
        instance = cls.__new__(cls)
        instance._verify_model_can_be_initialized()
        instance._initialize_internal_attributes()
        object.__setattr__(instance, "__pk_only__", _pk_only)
        object.__setattr__(instance, "__ormar_excludable__", None)

        new_kwargs, through_tmp_dict = instance._process_kwargs(kwargs)

        if _excluded:
            for field_to_nullify in _excluded:
                new_kwargs[field_to_nullify] = None

        if not _pk_only:
            new_kwargs = instance.serialize_nested_models_json_fields(new_kwargs)
            instance.__pydantic_validator__.validate_python(
                new_kwargs,
                self_instance=instance,  # type: ignore
            )
        else:
            fields_set = {instance.ormar_config.pkname}
            object.__setattr__(instance, "__dict__", new_kwargs)
            object.__setattr__(instance, "__pydantic_fields_set__", fields_set)

        instance._register_related_models(new_kwargs, through_tmp_dict)
        return instance

    def _register_related_models(
        self, new_kwargs: dict[str, Any], through_tmp_dict: dict[str, Any]