A third example of pydantic argument validation using validate_arguments decorator and the Annotated typing feature

pydantic_func_argument_validation_3.py

import math

from pydantic import validate_arguments, ValidationError, Field
from pydantic.typing import Annotated


@validate_arguments
def get_hypotenuse(
        a: Annotated[float, Field(gt=0)],
        b: Annotated[float, Field(gt=0)]
) -> float:
    return math.sqrt(a ** 2 + b ** 2)


try:
    print(get_hypotenuse(1, 3))
except ValidationError as e:
    print(e)