fastapi/fastapi/datastructures.py

16 lines
499 B
Python

from typing import Any, Callable, Iterable, Type
from starlette.datastructures import UploadFile as StarletteUploadFile
class UploadFile(StarletteUploadFile):
@classmethod
def __get_validators__(cls: Type["UploadFile"]) -> Iterable[Callable]:
yield cls.validate
@classmethod
def validate(cls: Type["UploadFile"], v: Any) -> Any:
if not isinstance(v, StarletteUploadFile):
raise ValueError(f"Expected UploadFile, received: {type(v)}")
return v