asciicker_links_checker

import requests as req
import string
from itertools import chain, product
import re

#functions and regex
no_signal = re.compile(r'\| NO SIGNAL \|')
not_found = re.compile(r'Not Found')
def bruteforce(charset, maxlength):
    return (''.join(candidate)
        for candidate in chain.from_iterable(product(charset, repeat=i)
        for i in range(1, maxlength + 1)))

#settings
alphanum = list(string.ascii_letters+string.digits)
#alphanum = list("xyXY0123456789") #<-- uncomment to check current versioning scheme
maxchars = 5


#main programm
url = 'http://asciicker.com/'
for attempt in bruteforce(alphanum, maxchars):
    if len(no_signal.findall(req.get(url+attempt).text)) != 0 or len(not_found.findall(req.get(url+attempt).text)) != 0: #page with 404 or no signal
        print(attempt+",",end='',flush=True)
    else: #page without 404 or no signal
        print("\n"+url+attempt)