直到“requests”库支持指数退避的自动重试

import requestsfrom requests import adaptersfrom urllib3.util import retry# create a transport adapter with a custom retry strategy.retries = retry(    total=3,    backoff_factor=3,    status_forcelist=[500, 502, 503, 504])adapter = adapters.httpadapter(max_retries=retries)# ensure adapter is used for both http and https requests.session = requests.session()session.mount('https://', adapter)session.mount('http://', adapter)# testing the retry mechanismresponse = session.get("http://httpbin.org/status/500")

RetryError: HTTPConnectionPool(host='httpbin.org', port=80): Max retries exceeded with url: /status/500 (Caused by ResponseError('too many 500 error responses'))