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from typing import ClassVar
from pydantic import ValidationError, validator
from odmantic import Model
class SmallRectangle(Model):
MAX_SIDE_SIZE: ClassVar[float] = 10
length: float
width: float
@validator("width", "length")
def check_small_sides(cls, v):
if v > cls.MAX_SIDE_SIZE:
raise ValueError(f"side is greater than {cls.MAX_SIDE_SIZE}")
return v
@validator("width")
def check_width_length(cls, width, values, **kwargs):
length = values.get("length")
if length is not None and width > length:
raise ValueError("width can't be greater than length")
return width
print(SmallRectangle(length=2, width=1))
#> id=ObjectId('5f81e3c073103f509f97e374'), length=2.0, width=1.0
try:
SmallRectangle(length=2)
except ValidationError as e:
print(e)
"""
1 validation error for SmallRectangle
width
field required (type=value_error.missing)
"""
try:
SmallRectangle(length=2, width=3)
except ValidationError as e:
print(e)
"""
1 validation error for SmallRectangle
width
width can't be greater than length (type=value_error)
"""
try:
SmallRectangle(length=40, width=3)
except ValidationError as e:
print(e)
"""
1 validation error for SmallRectangle
length
side is greater than 10 (type=value_error)
"""
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