Uses PyWren to submit pin guess to lambda

brute-pin-wren.py

import pywren
import time
import itertools

def brute_force_digits(pin):
    """ Uses itertools to create a cartesian product of the possible pins """
    for guess in list(itertools.product(list(range(10)),repeat=len(str(pin)))):
        if pin == int(len(str(pin))*'%d' % (guess)):
            return guess        


if __name__ == '__main__':
    """ Likewise, this will start to break down on a 8 digit pin - single lambda request """
    print('Provide a digit-only pin to be brute-forced guessed')
    pin = input()
    wrenexec = pywren.default_executor()
    t1 = time.time()
    future = wrenexec.call_async(brute_force_digits,int(pin))
    guess = future.result()
    print('Found: ' + str(guess))
    t2 = time.time()
    print('Elapsed time was ' + str(t2-t1))