Saves and loads cookies for a requests Session to a file

save_cookies.py

import os
from cookielib import LWPCookieJar

import requests


s = requests.Session()
s.cookies = LWPCookieJar('cookiejar')
if not os.path.exists('cookiejar'):
    # Create a new cookies file and set our Session's cookies
    print('setting cookies')
    s.cookies.save()
    r = s.get('http://httpbin.org/cookies/set?k1=v1&k2=v2')
else:
    # Load saved cookies from the file and use them in a request
    print('loading saved cookies')
    s.cookies.load(ignore_discard=True)
    r = s.get('http://httpbin.org/cookies')
print(r.text)
# Save the Session's cookies back to the file
s.cookies.save(ignore_discard=True)