from typing import Annotated from fastapi import FastAPI, File, UploadFile app = FastAPI() @app.post("/files/") async def create_file(file: Annotated[bytes, File(description="A file read as bytes")]): return {"file_size": len(file)} @app.post("/uploadfile/") async def create_upload_file( file: Annotated[UploadFile, File(description="A file read as UploadFile")], ): return {"filename": file.filename}