GET all Images from http.cat responding to the http status codes

http_cat.py

"""
GET all Images from http.cat responding to the http status codes
Author: Jean Mattes
Author-URI: https://risingcode.net
Source: https://http.cat
"""

from http.client import responses
from urllib import error, request
from os.path import isfile


def download(code):
    try:
        img_url = 'https://http.cat/{}.jpg'.format(code)
        request.urlretrieve(img_url, '{}.jpg'.format(code))
    except error.URLError:
        return False
    return True


def driver():
    codes = [r.value for r in responses]
    # Append "unoffical" codes with images present.
    for a in [418, 420, 425, 444, 450, 451, 499, 509, 599]:
        codes.append(a)
    # Remove "offical" codes with NO image present.
    for r in [205, 208, 226, 428, 505]:
        codes.remove(r)
    for c in codes:
        invalidate = False
        if invalidate or not isfile('{}.jpg'.format(c)):
            download(c)

if __name__ == '__main__':
    driver()