python: check if url to jpg exists

The code below is equivalent to tikiboy’s answer, but using a high-level and easy-to-use requests library.

import requests

def exists(path):
    r = requests.head(path)
    return r.status_code == requests.codes.ok

print exists('http://www.fakedomain.com/fakeImage.jpg')

The requests.codes.ok equals 200, so you can substitute the exact status code if you wish.

requests.head may throw an exception if server doesn’t respond, so you might want to add a try-except construct.

Also if you want to include codes 301 and 302, consider code 303 too, especially if you dereference URIs that denote resources in Linked Data. A URI may represent a person, but you can’t download a person, so the server will redirect you to a page that describes this person using 303 redirect.