How to Beautiful Soup (bs4) match just one, and only one, css class

Question

I am using following code to match all div that have CSS class \"ad_item\".

soup.find_all(\'div\',class_=\"ad_item\")

problem that I have i

Answer 1

You can always write a Python function that matches the tag you want, and pass that function into find_all():

def match(tag):
    return (
        tag.name == 'div'
        and 'ad_item' in tag.get('class')
        and 'ad_ex_item' not in tag.get('class'))

soup.find_all(match)