strings.is_polish_national_id

Functions

is_polish_national_id(→ bool)

Verification of the correctness of the PESEL number.

Module Contents

strings.is_polish_national_id.is_polish_national_id(input_str: str) → bool

Verification of the correctness of the PESEL number. www-gov-pl.translate.goog/web/gov/czym-jest-numer-pesel?_x_tr_sl=auto&_x_tr_tl=en

PESEL can start with 0, that’s why we take str as input, but convert it to int for some calculations.

>>> is_polish_national_id(123)
Traceback (most recent call last):
    ...
ValueError: Expected str as input, found <class 'int'>

>>> is_polish_national_id("abc")
Traceback (most recent call last):
    ...
ValueError: Expected number as input

>>> is_polish_national_id("02070803628") # correct PESEL
True

>>> is_polish_national_id("02150803629") # wrong month
False

>>> is_polish_national_id("02075503622") # wrong day
False

>>> is_polish_national_id("-99012212349") # wrong range
False

>>> is_polish_national_id("990122123499999") # wrong range
False

>>> is_polish_national_id("02070803621") # wrong checksum
False