# stdnum.th.pin

PIN (Thailand Personal Identification Number).

The Thailand Personal Identification Number is a unique personal identifier assigned at birth or upon receiving Thai citizenship issue by the Ministry of Interior.

This number consists of 13 digits which the last is a check digit. Usually separated into five groups using hyphens to make it easier to read.

More information:

- https://en.wikipedia.org/wiki/Thai_identity_card

    >>> compact('1-2345-45678-78-1')
    '1234545678781'
    >>> validate('3100600445635')
    '3100600445635'
    >>> validate('1-2345-45678-78-1')
    '1234545678781'
    >>> validate('1-2345-45678-78-9')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...
    >>> format('7100600445635')
    '7-1006-00445-63-5'

stdnum.th.pin.calc_check_digit(number)

  Calculate the check digit.

stdnum.th.pin.compact(number)

  Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.

stdnum.th.pin.format(number)

  Reformat the number to the standard presentation format.

stdnum.th.pin.is_valid(number)

  Check whether the number is valid.

stdnum.th.pin.validate(number)

  Check if the number is a valid PIN. This checks the length, formatting and check digit.