diff options
| author | Arthur de Jong <arthur@arthurdejong.org> | 2016-07-26 02:33:16 +0200 |
|---|---|---|
| committer | Arthur de Jong <arthur@arthurdejong.org> | 2016-07-26 13:52:26 +0200 |
| commit | 43b58d331a8e61694a5a9b77fa0968fa326f52cc (patch) | |
| tree | 139decffbb358d2dabf2a3d88a0383c85c51c05e /stdnum/fr/nir.py | |
| parent | 879f2d3c8a777b4ae8a1b97fdd0629e90d7bc871 (diff) | |
Move NIR check digit calculation to function
This also fixes a number of formatting issues, improves the module
description and adds tests for the 2A and 2B departments.
Diffstat (limited to 'stdnum/fr/nir.py')
| -rw-r--r-- | stdnum/fr/nir.py | 45 |
1 files changed, 30 insertions, 15 deletions
diff --git a/stdnum/fr/nir.py b/stdnum/fr/nir.py index d8c26ee..bf1206a 100644 --- a/stdnum/fr/nir.py +++ b/stdnum/fr/nir.py @@ -1,6 +1,8 @@ # nir.py - functions for handling French NIR numbers +# coding: utf-8 # # Copyright (C) 2016 Dimitri Papadopoulos +# Copyright (C) 2016 Arthur de Jong # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -19,17 +21,23 @@ """NIR (French personal identification number). -The NIR (Numero d'Inscription au Repertoire national d'identification -des personnes physiques) is a 15 digit number used to identify persons -in France. All persons born in France are registered in the Repertoire -national d'identification des personnes physiques (RNIPP) and assigned -a NIR which consists of 15 digits where the two final digits are check -digits. The NIR is used by French social security and is popularly known -as the "social security number". +The NIR (Numero d'Inscription au Repertoire national d'identification des +personnes physiques) is used to identify persons in France. It is popularly +known as the "social security number" and sometimes referred to as an INSEE +number. All persons born in France are registered in the Repertoire national +d'identification des personnes physiques (RNIPP) and assigned a NIR. + +The number consists of 15 digits: the first digit indicates the gender, +followed by 2 digits for the year or birth, 2 for the month of birth, 5 for +the location of birth (COG), 3 for a serial and 2 check digits. More information: * http://www.insee.fr/en/methodes/default.asp?page=definitions/nir.htm +* https://en.wikipedia.org/wiki/INSEE_code +* http://resoo.org/docs/_docs/regles-numero-insee.pdf +* https://fr.wikipedia.org/wiki/Numéro_de_sécurité_sociale_en_France +* http://xml.insee.fr/schema/nir.html >>> validate('2 95 10 99 126 111 93') '295109912611193' @@ -37,6 +45,10 @@ More information: Traceback (most recent call last): ... InvalidChecksum: ... +>>> validate('253072B07300470') +'253072B07300470' +>>> validate('253072A07300443') +'253072A07300443' >>> format('295109912611193') '2 95 10 99 126 111 93' """ @@ -51,6 +63,16 @@ def compact(number): return clean(number, ' .').strip().upper() +def calc_check_digits(number): + """Calculate the check digits for the number.""" + department = number[5:7] + if department == '2A': + number = number[:5] + '19' + number[7:] + elif department == '2B': + number = number[:5] + '18' + number[7:] + return '%02d' % (97 - (int(number[:13]) % 97)) + + def validate(number): """Checks to see if the number provided is valid. This checks the length and check digits.""" @@ -61,14 +83,7 @@ def validate(number): raise InvalidFormat() if len(number) != 15: raise InvalidLength() - department = number[5:7] - if department == '2A': - s = number[:5] + '19' + number[7:13] - elif department == '2B': - s = number[:5] + '18' + number[7:13] - else: - s = number[:13] - if (97 - (int(s) % 97)) != int(number[13:]): + if calc_check_digits(number) != number[13:]: raise InvalidChecksum() return number |