Files
pydantic/docs/examples/models_required_field_optional.py
2020-05-31 14:54:12 +01:00

16 lines
283 B
Python

from typing import Optional
from pydantic import BaseModel, Field, ValidationError
class Model(BaseModel):
a: Optional[int]
b: Optional[int] = ...
c: Optional[int] = Field(...)
print(Model(b=1, c=2))
try:
Model(a=1, b=2)
except ValidationError as e:
print(e)