Function upload

chapter3/chapter3_upload.py:7–15

(picture:UploadFile=File(...), brand:str=Form(...), model:str=Form(...))

@app.post("/upload")
async def upload(picture:UploadFile=File(...), brand:str=Form(...), model:str=Form(...)):
    
    with open("saved_file.png", "wb") as buffer:
        shutil.copyfileobj(picture.file, buffer)
    return {
        "brand": brand,
        "model": model,
        "file_name":picture.filename
        }