ValidateAs

A helper class to validate a custom type from a type that is natively supported by Pydantic.

Attributes

Attribute	Type	Description
from_type	type[_FromTypeT]	The type natively supported by Pydantic to use to perform validation.
instantiation_hook	Callable[[_FromTypeT], Any]	A callable taking the validated type as an argument, and returning the populated custom type.

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Constructor

Signature

def ValidateAs(
    from_type: type[_FromTypeT],
    instantiation_hook: Callable[[_FromTypeT], Any]
) - > None

Parameters

Name	Type	Description
from_type	type[_FromTypeT]	The type natively supported by Pydantic to use to perform validation.
instantiation_hook	Callable[[_FromTypeT], Any]	A callable taking the validated type as an argument, and returning the populated custom type.

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Signature

def ValidateAs(
    from_type: type[_FromTypeT],
    instantiation_hook: Callable[[_FromTypeT], Any]
)

Parameters

Name	Type	Description
from_type	type[_FromTypeT]	The Pydantic-compatible type used as the intermediate schema for initial validation.
instantiation_hook	Callable[[_FromTypeT], Any]	A callback function that receives the validated intermediate object and returns the final custom class instance.

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