Python try/except: trying multiple options

Question

I\'m trying to scrape some information from webpages that are inconsistent about where the info is located. I\'ve got code to handle each of several possibilities; what I want

Answer 1

If each lookup is a separate function, you can store all the functions in a list and then iterate over them one by one.

lookups = [
    look_in_first_place,
    look_in_second_place,
    look_in_third_place
]

info = None

for lookup in lookups:
    try:
        info = lookup()
        # exit the loop on success
        break    
    except AttributeError:
        # repeat the loop on failure
        continue

# when the loop is finished, check if we found a result or not
if info:
    # success
else:
    # failure