Method model_validate_json

pydantic/main.py:743–784

!!! abstract "Usage Documentation" [JSON Parsing](../concepts/json.md#json-parsing) Validate the given JSON data against the Pydantic model. Args: json_data: The JSON data to validate. strict: Whether to enforce types strictly. extra:

(
        cls,
        json_data: str | bytes | bytearray,
        *,
        strict: bool | None = None,
        extra: ExtraValues | None = None,
        context: Any | None = None,
        by_alias: bool | None = None,
        by_name: bool | None = None,
    )

    @classmethod
    def model_validate_json(
        cls,
        json_data: str | bytes | bytearray,
        *,
        strict: bool | None = None,
        extra: ExtraValues | None = None,
        context: Any | None = None,
        by_alias: bool | None = None,
        by_name: bool | None = None,
    ) -> Self:
        """!!! abstract "Usage Documentation"
            [JSON Parsing](../concepts/json.md#json-parsing)

        Validate the given JSON data against the Pydantic model.

        Args:
            json_data: The JSON data to validate.
            strict: Whether to enforce types strictly.
            extra: Whether to ignore, allow, or forbid extra data during model validation.
                See the [`extra` configuration value][pydantic.ConfigDict.extra] for details.
            context: Extra variables to pass to the validator.
            by_alias: Whether to use the field's alias when validating against the provided input data.
            by_name: Whether to use the field's name when validating against the provided input data.

        Returns:
            The validated Pydantic model.

        Raises:
            ValidationError: If `json_data` is not a JSON string or the object could not be validated.
        """
        # `__tracebackhide__` tells pytest and some other tools to omit this function from tracebacks
        __tracebackhide__ = True

        if by_alias is False and by_name is not True:
            raise PydanticUserError(
                'At least one of `by_alias` or `by_name` must be set to True.',
                code='validate-by-alias-and-name-false',
            )

        return cls.__pydantic_validator__.validate_json(
            json_data, strict=strict, extra=extra, context=context, by_alias=by_alias, by_name=by_name
        )

    @classmethod
    def model_validate_strings(