Pydantic の非推奨回避策まとめ

conint

非推奨

from typing import Optional
from pydantic import BaseModel, conint

class OrderItem(BaseModel):
  product: str
  size: str
  quantity: Optional[conint(ge=1)]=1

回避策

from typing import Annotated, Optional
from pydantic import BaseModel, Field

class OrderItem(BaseModel):
  product: str
  size: str
  quantity: Optional[Annotated[int, Field(ge=1)]=1

Extra

非推奨

from typing import Optional
from pydantic import BaseModel, Field, Extra

class OrderItem(BaseModel):
  product: str
  size: str
  quantity: Optional[Annotated[int, Field(ge=1)]=1

  class Config:
    extra = Extra.forbid

回避策①

from typing import Annotated, Optional
from pydantic import BaseModel, Field, ConfigDict

class OrderItem(BaseModel):
  product: str
  size: str
  quantity: Optional[Annotated[int, Field(ge=1)]=1

  model_config=ConfigDict(extra="forbid")

回避策②

from typing import Annotated, Optional
from pydantic import BaseModel, Field

class OrderItem(BaseModel, extra="forbid"):
  product: str
  size: str
  quantity: Optional[Annotated[int, Field(ge=1)]=1