driver = webdriver.Firefox()               #opens firefox
driver.get("https://www.google.com/")      #loads google
If it takes too long to load google, how do I make it close the browser and start the code from the beginning?
Set page load timeout via set_page_load_timeout() and catch TimeoutException:
from selenium import webdriver
from selenium.common.exceptions import TimeoutException
driver = webdriver.Firefox()
driver.set_page_load_timeout(10)
while True:
    try:
        driver.get("https://www.google.com/")
    except TimeoutException:
        print "Timeout, retrying..."
        continue
    else:
        break
See also: How to set Selenium Python WebDriver default timeout?
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With