Running a Selenium script only if a certain element is present

Question

I have an if else statement nested in a for loop and I am trying to figure out a way to only run the program for the current feature (u) if the element exists. The element in question is a value in a select/option format. Basically, I need a certain option in that drop down menu to be present for the code to run and if it is not I would like to move onto the next url and try again. The option is either present or it's not (it won't pop up if the driver waits).

for u in urls:
    bot.get(u)
    if *statement to check if the value exists*:
       -- runs my intended function --
    else:
        print("This site is not reporting yet")

Thank you.

undetected Selenium · Accepted Answer · 2020-02-12 22:39:16Z

1

You need to loop through the urls and check if the value exists within a try-catch{} block and you can use the following solution:

for u in urls:
    try:
        bot.get(u)
        #check if the value exists using WebDriverWait with expected_conditions as visibility_of_element_located
        #runs my intended function
    except TimeoutException as e:
        print("This site is not reporting yet")
        continue

answered Feb 12, 2020 at 22:39

undetected Selenium

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3 Comments

Jose Gomez Over a year ago

Thank you for the answer. To follow up, I have "from selenium.webdriver.common.by import By", "from selenium.webdriver.support.ui import WebDriverWait" and "from selenium.webdriver.support import expected_conditions as EC". I'm getting a few errors because the "type object 'By' has no attribute 'Value' "(The dropdowns only have Values, no IDs or Names), and a NameError because "name 'TimeoutException' is not defined". Am I running it as EC.visibility_of_element_located((By.Value, "my_value"))? Or bot.visibility_of_...?

Jose Gomez Over a year ago

I actually believe I just fixed the TimeoutException error with from selenium.common.exceptions import TimeoutException, But now I'm also wondering if it will be a "TimeoutException" or a "NoSuchElementException".

undetected Selenium Over a year ago

WebDriverWait on failure will always raise TimeoutException, so you need selenium.common.exceptions import TimeoutException

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