How to retain the login state in selenium

Question

I use selenium and bs4 to parse web page. And the web page use scan qrcode and verification code to login.

I use WebDriverWait to wait the user to login with

wait = ui.WebDriverWait(driver, 60)         # timeout after 60 seconds, just leave time for user to login

wait.until(lambda driver: driver.execute_script('return isLogin();'))

and after I login, then begin the parsing work.

It's works well, except that each time when I run the script, it open a new broswr window and I need to login.

How to retain the login state to avoid login when each time run the script.

Answer 1

To avoid login every time you can use cookies. For example:

import pickle

from selenium import webdriver 


browser = webdriver.Chrome()
browser.get("http://www.google.com")
pickle.dump(browser.get_cookies(), open("cookies.pkl","wb"))

and download cookies later:

import pickle

from selenium import webdriver


browser = webdriver.Chrome()
browser.get("http://www.google.com")
cookies = pickle.load(open("cookies.pkl", "rb"))
for cookie in cookies:
    browser.add_cookie(cookie)