Pass value to a javascript function using Selenium in python

Question

login.php calls the following function when submitted

<script type="text/javascript"> function validate(){ var res=confirm("Are you sure"); if(res) return true; else return false; } </script>

I am trying to login through a python script using Selenium. When I click login the following script is called and I need to select 'yes' to login.

from selenium import webdriver from selenium.webdriver.common.keys import Keys browser = webdriver.Firefox() browser.get("webpage/login.php") username = browser.find_element_by_id("id") password = browser.find_element_by_id("pass") username.send_keys("username") password.send_keys("password") login_attempt = browser.find_element_by_xpath("//*[@type='submit']") login_attempt.submit() #I want to send yes to the `validate` function and the #then then again do browser.get("webpage/home.php") to scrape info from a html tag #print(login_attempt.submit())

I am relatively new to what I am trying to do .. suggestions are well received if there are better practices.

Please try already posted answer 'stackoverflow.com/questions/46105357/…' — Pankaj Sharma, CommentedSep 12, 2017 at 18:13
this turned out to be useful but xpath(u'//input[@value="OK"]').click() part is not working .. so what is the element type of Ok button on window.confirm — rainversion_3, CommentedSep 12, 2017 at 20:49

yong · Accepted Answer · 2017-09-13 00:28:03Z

The pop up come out after click submit, we call them JS alert/confirm, they trigger by JavaScript and supported natively by browser. For such pop-up, selenium had already implement the code to interact with them. So just to find the methond from selenium python client API on the version you used. (The methond name and how to call maybe not same in different client API version).

alert = browser.switch_to_alert() //accept the alert alert.accept() // maybe as below to call alert = driver.switch_to.alert alert.accept() // or Alert(driver).accept()

selenium.common.exceptions.WebDriverException: Message: Failed to convert script to String — rainversion_3, CommentedSep 12, 2017 at 17:30
please see this post: seleniumwithjavapython.wordpress.com/selenium-with-python/… — yong, CommentedSep 13, 2017 at 0:17
alert.accept() is working but in my case it was taking some time to detect ... I had time.sleep(2) and it worked like normal — rainversion_3, CommentedSep 16, 2017 at 16:55

Pankaj Sharma · Accepted Answer · 2017-09-12 18:16:04Z

Use following code:

browser = webdriver.Firefox() browser.get("http://username:password@webpage/login.php")

you will be able to bypass this authentication alert.

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