Wait for text in an element to be a number in Selenium with Python

Question

A dynamically generated website has such an element:

<b class="2020-is-terrible"></b>

After some time it fills the b element with a random number like this:

<b class="2020-is-terrible">42</b>

I want to wait for that number to be generated and for now I've come up a code that waits for a specific number:

WebDriverWait(driver, 10).until(expected_conditions.text_to_be_present_in_element((By.CLASS_NAME, "2020-is-terrible"), "42"))

But I want to continue if any value appears in the b element (not just 42). The value will always be a number so I just need to check if the text not empty.

List of expected_conditions classes so you don't need to google.

I'm not a Python guy, so I do not know the correct syntax, but did you tried to check if the fetched text is not empty and is numeric? You can do that in until part. — Jonah
– Jonah, Commented Aug 14, 2020 at 13:58

frianH · Accepted Answer · 2020-08-14 16:25:29Z

1

With xpath you can also use the and operator by combine class name and text!='', like this:

//b[@class='2020-is-terrible' and text()!='']

Try this:

WebDriverWait(driver, 10).until(expected_conditions.presence_of_element_located((By.XPATH, "//b[@class='2020-is-terrible' and text()!='']")))

answered Aug 14, 2020 at 16:25

frianH

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user1 · Accepted Answer · 2020-08-14 14:01:26Z

0

Here is a solution that worked for me:

WebDriverWait(driver, 10).until(lambda wd: wd.find_element_by_class_name("threat-score").text != "")

My mistake was assuming that I have to use one of the expected_conditions classes in until.

Thanks to Jonah for the hint and Dmytro Serdiuk for an example.

answered Aug 14, 2020 at 14:01

user1

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