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我想下载文件并将其保存在files具有功能的文件夹中，dwd但我不想等到文件下载完成我想在后台运行下载功能并响应查看文件功能我尝试使用的功能multiprocessing.Process无法按预期工作.

 def files(request):
     # Get papram needed
     g_id = request.GET.get('g_id')
     d_id = request.GET.get('d_id')
     o_id = request.GET.get('o_id')
     m_id  = request.GET.get('m_id')


    download_url = (f"http://example.com/embed?video={m_id}&d=1")
    r = requests.head(download_url)
    content_length = r.headers['Content-length']
    video_path_name = (f'streamapp/static/files/{did}_{m_id}.mp4')

    if os.path.exists(video_path_name):
        currnt_lenght = os.path.getsize(video_path_name)
        progress = (int(currnt_lenght) *100)/ int(content_length)
        progress = round(progress, 2)
    else:
        run_download = Process(target=dwd_file(filepath=video_path_name, download_url=download_url))
        run_download.daemon = True
        run_download.start()
        progress = '0'

    context = {'g_id': g_id, 'd_id': d_id,
               'o_id': o_id, 'm_id': m_id,
               'video_path_name': video_path_name,
               'download_url': download_url,
               'progress': progress}
    return render(request, 'pages/upload.html', context)


def dwd_file(filepath, download_url):
    if not os.path.exists(filepath):
        r = requests.get(download_url, stream=True)
        with open(filepath, 'wb') as f:
            for chunk in r.iter_content():
                f.write(chunk)
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