Method handle_error

src/marshmallow/schema.py:486–498

Custom error handler function for the schema. :param error: The `ValidationError` raised during (de)serialization. :param data: The original input data. :param many: Value of ``many`` on dump or load. :param partial: Value of ``partial`` on load. .. versionc

(
        self, error: ValidationError, data: typing.Any, *, many: bool, **kwargs
    )

    ##### Override-able methods #####

    def handle_error(
        self, error: ValidationError, data: typing.Any, *, many: bool, **kwargs
    ):
        """Custom error handler function for the schema.

        :param error: The `ValidationError` raised during (de)serialization.
        :param data: The original input data.
        :param many: Value of ``many`` on dump or load.
        :param partial: Value of ``partial`` on load.

        .. versionchanged:: 3.0.0rc9
            Receives `many` and `partial` (on deserialization) as keyword arguments.
        """

    def get_attribute(self, obj: typing.Any, attr: str, default: typing.Any):
        """Defines how to pull values from an object to serialize.