+ def requests_retry_session(retries=3,
+ backoff_factor=0.3,
+ status_forcelist=(500, 502, 504)):
+ """
+
+ :param retries: Total number of retries to allow.
+ :param backoff_factor: A backoff factor to apply between attempts after
+ the second try.
+ :param status_forcelist: A set of integer HTTP status codes that are
+ forced to retry.
+ :type retries: int
+ :type backoff_factor: float
+ :type status_forcelist: iterable
+ :returns: Session object.
+ :rtype: requests.Session
+ """
+
+ retry = Retry(
+ total=retries,
+ read=retries,
+ connect=retries,
+ backoff_factor=backoff_factor,
+ status_forcelist=status_forcelist,
+ )
+ adapter = HTTPAdapter(max_retries=retry)
+ session = requests.Session()
+ session.mount('http://', adapter)
+ session.mount('https://', adapter)
+ return session
+