iin_gen.py

from random import randint, getrandbits
from typing import Dict, List, Tuple
from datetime import datetime


def is_leap(year: int) -> bool:
    return False if year % 4 != 0 else(
        True if year % 100 != 0
        else(
            True if year % 400 == 0
            else False
        )
    )


def generate_iin() -> List[int]:
    iin = [0 for i in range(12)]
    curr_year = datetime.now().year
   
    months: Dict[Tuple[str], str] = {
        ('02',): '28' if is_leap(curr_year) is False else '29',
        ('01', '03', '05', '07', '08', '10', '12'): '31',
        ('04', '06', '09', '11'): '30',
    }

    hash = getrandbits(3)
    total_hash = (randint(1, 3) % hash if hash != 0 else randint(
        1, 3)) // hash if hash != 0 else randint(1, 4)

    year_x, year_y = randint(0, 9), randint(0, 9)

    month_x = randint(0, 1)
    month_y = randint(1, 9) if month_x != 1 else randint(0, 2)
    mont_val = (month_x, month_y)

    for k, v in months.items():
        if f'{mont_val[0]}{mont_val[1]}' in k:
            day = str(randint(28, int(v)))


    def total_iin() -> List[int]:
        iin[0:2] = [year_x, year_y]
        iin[2:4] = [month_x, month_y]
        iin[4:6] = [int(day[0]), int(day[1])]
        iin[6] = randint(3, 6)
        # iin[7:11] = [randint(1, 5) for i in range(4)]
        iin[7:11] = [
            (
                total_hash if total_hash != 0 else randint(1, 3)
            ) for i in range(4)
        ]

        twelve = sum(iin[i]*(i+1) for i in range(11)) % 11
        twelve_10 = (
            sum(
                iin[0:11][i+1] * i for i in range(1, 10)
            ) + (10*iin[0]+11*iin[1])
        ) % 11

        if twelve != 10:
            iin[11] = twelve
        elif twelve_10 != 10:
            iin[11] = twelve_10
        else:
            pass

        return iin

    return total_iin()


if __name__ == '__main__':
    iin = ''.join(str(i) for i in generate_iin())
    print(iin)

nice!