generator.py

import random
import array


def password_gen(password_len):
    DIGITS = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]
    LOWERCASE = [
        "a",
        "b",
        "c",
        "d",
        "e",
        "f",
        "g",
        "h",
        "i",
        "j",
        "k",
        "m",
        "n",
        "o",
        "p",
        "q",
        "r",
        "s",
        "t",
        "u",
        "v",
        "w",
        "x",
        "y",
        "z",
    ]

    UPPERCASE = [
        "A",
        "B",
        "C",
        "D",
        "E",
        "F",
        "G",
        "H",
        "I",
        "J",
        "K",
        "M",
        "N",
        "O",
        "P",
        "Q",
        "R",
        "S",
        "T",
        "U",
        "V",
        "W",
        "X",
        "Y",
        "Z",
    ]

    SYMBOLS = [
        "@",
        "#",
        "$",
        "%",
        "=",
        ":",
        "?",
        ".",
        "/",
        "|",
        "~",
        ">",
        "*",
        "(",
        ")",
        "<",
    ]

    COMBINED = DIGITS + LOWERCASE + UPPERCASE + SYMBOLS

    # faking a salt
    rand_digit = random.choice(DIGITS)
    rand_lower = random.choice(LOWERCASE)
    rand_upper = random.choice(UPPERCASE)
    rand_symbol = random.choice(SYMBOLS)
    pseudo_salt = rand_digit + rand_lower + rand_upper + rand_symbol
    temp_pass = pseudo_salt
    temp_pass_arr = []
    max_pwd_len = 128
    min_pwd_len = 5

    if isinstance(password_len, int) is False:
        return
    elif password_len < min_pwd_len:
        return
    elif password_len > max_pwd_len:
        return
    else:
        for x in range(password_len - len(pseudo_salt)):
            temp_pass = temp_pass + random.choice(COMBINED)

            temp_pass_arr = array.array("u", temp_pass)
            random.shuffle(temp_pass_arr)

        password = "".join(temp_pass_arr)
        return password


# # test password_gen
# password_len = int(input("Enter the password length i.e 12: "))
# password = password_gen(password_len)
# print(f"Your password is:\n{password}")