falsk流式转发requests请求

from flask import stream_with_context,make_response

def test():
    r = requests.request(request.method, url, headers=headers, cookies=cookie_dict, data=request.data, proxies=proxies, stream=True)
    response = Response(stream_with_context(r.iter_content(chunk_size=1024)))
    response.headers['content-type'] = r.headers.get('content-type')
    return response