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lewoudar/pydantic_func_argument_validation_1.py

Last active March 11, 2022 20:46
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An example of use of pydantic decorator validate_arguments
Raw
pydantic_func_argument_validation_1.py
import math
from dataclasses import dataclass
from pydantic import validate_arguments, ValidationError
@dataclass
class Point:
x: int
y: int
@validate_arguments
def compute_distance(a: Point, b: Point) -> float:
x = math.pow(a.x - b.x, 2)
y = math.pow(a.y - b.y, 2)
return math.sqrt(x + y)
p1 = Point(1, 2)
p2 = Point(3, 5)
try:
print('distance between p1 and p2 is:', compute_distance(p1, p2))
except ValidationError as e:
print(e)
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