Best practice of Python requests

import requests
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.retry import Retry


def requests_retry_session(
    retries=3,
    backoff_factor=0.3,
    status_forcelist=(500, 502, 504),
    session=None,
):
    session = session or requests.Session()
    retry = Retry(
        total=retries,
        read=retries,
        connect=retries,
        backoff_factor=backoff_factor,
        status_forcelist=status_forcelist,
    )
    adapter = HTTPAdapter(max_retries=retry)
    session.mount('http://', adapter)
    session.mount('https://', adapter)
    return session

response = requests_retry_session().get('https://www.peterbe.com/')
print(response.status_code)

s = requests.Session()
s.auth = ('user', 'pass')
s.headers.update({'x-test': 'true'})

response = requests_retry_session(sesssion=s).get(
    'https://www.peterbe.com'
)

Source: https://www.peterbe.com/plog/best-practice-with-retries-with-requests