cc.py

import sys
import random
from pprint import pprint
import re

def get_cc_number():
    if len(sys.argv) < 2:
        usage()
        sys.exit(1)

    return sys.argv[1]

def get_brand(number):
    pattern = str(number)
    if re.match("5[1-5][0-9]{14}", pattern):
        return "MASTERCARD"
    if re.match("4([0-9]{12}|[0-9]{15})", pattern):
        return "VISA"
    if re.match("3[47][0-9]{13}", pattern):
        return "AMEX"
    if re.match("3(0[0-5][0-9]{11}|[68][0-9]{12})", pattern):
        return "DINERS"
    if re.match("6011[0-9]{12}", pattern):
        return "DISCOVER"
    if re.match("(3[0-9]{15}|(2131|1800)[0-9]{11})", pattern):
        return "JCB"
    if re.match("2(014|149)[0-9]{11}", pattern):
        return "ENROUTE"
    return "UKNOWN"

def input_check(input_number):
        if len(input_number) < 8:
                print(f"[💀] Atleast the first octet is required. {input_number} is only {len(input_number)}.")
                quit()
        print(f"[🍰] Input length: {len(input_number)}")

def validate(n):
         r = [int(ch) for ch in str(n)][::-1]
         return (sum(r[0::2]) + sum(sum(divmod(d*2,10)) for d in r[1::2])) % 10 == 0

def create_card_numbers(first_octet):
  # Initialize an empty list to store the valid numbers
  valid_numbers = []

  all_second_octets = list(range(0, 99999999))
  while True:
    # Generate a random 8-digit number as the second octet of the number
    second_octet = all_second_octets.pop()

    # Concatenate the first and second octets to form the 16-digit number
    number = int(str(first_octet) + str(second_octet).rjust(8, '0'))

    # Use the validate function to check if the number is valid
    if validate(number):
      # If the number is valid, append it to the list of valid numbers and print it along with its validation status
      valid_numbers.append(number)
      print(number, "[🍰] Valid")
    else:
      # If the number is not valid, print it along with its validation status
      print(number, "[💀] Not valid")

    # If the list of valid numbers has 10 elements, return the list
    if len(valid_numbers) == 10:
      return set(valid_numbers)

def visualize_card(brand="????", number="????????????????"):
        number=str(number)[:16].ljust(24)
        brand=brand[:24].ljust(24)
        print(f"""[🍰] Card details generated.
        ╭--------------------------╮
        │                          │
        │  {brand}│
        │                          │
        │  {number}│
        │                          │
        │                    ??/?? │
        ╰--------------------------╯""")

if __name__ == "__main__":
    input_number = get_cc_number()
    input_check(input_number)
    validated = create_card_numbers(input_number)
    for card in validated:
        visualize_card(get_brand(card),card)