python-stdnum branch master updated. 1.20-13-g6c2873c
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python-stdnum branch master updated. 1.20-13-g6c2873c
- From: Commits of the python-stdnum project <python-stdnum-commits [at] lists.arthurdejong.org>
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- Subject: python-stdnum branch master updated. 1.20-13-g6c2873c
- Date: Sun, 15 Sep 2024 14:29:06 +0200 (CEST)
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https://arthurdejong.org/git/python-stdnum/commit/?id=6c2873c86bde0c8d87d867a8ade473d6a53657ea
commit 6c2873c86bde0c8d87d867a8ade473d6a53657ea
Author: Jeff Horemans <jeff.horemans@vortex-financials.be>
Date: Thu Jul 25 14:40:23 2024 +0200
Add Belgian eID card number
Closes https://github.com/arthurdejong/python-stdnum/pull/448
diff --git a/stdnum/be/eid.py b/stdnum/be/eid.py
new file mode 100644
index 0000000..96a5212
--- /dev/null
+++ b/stdnum/be/eid.py
@@ -0,0 +1,99 @@
+# eid.py - functions for handling Belgian Identity Card Number.
+# coding: utf-8
+#
+# Copyright (C) 2024 Jeff Horemans
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 USA
+
+"""eID Number (Belgian electronic Identity Card Number).
+
+The eID is an electronic identity card (with chip), issued to Belgian citizens
+over 12 years old.
+The card number applies only to the card in question and should not be confused
+with the Belgian National Number (Rijksregisternummer, Numéro National),
+that is also included on the card.
+
+The card number consists of 12 digits in the form xxx-xxxxxxx-yy where
+yy is a check digit calculated as the remainder of dividing xxxxxxxxxx by 97.
+If the remainder is 0, the check number is set to 97.
+
+More information:
+
+* https://www.ibz.rrn.fgov.be/nl/identiteitsdocumenten/eid/
+* https://eid.belgium.be/en/what-eid
+*
https://www.ibz.rrn.fgov.be/fileadmin/user_upload/nl/rr/instructies/IT-lijst/IT195_Identiteitsbewijs_20240115.pdf
+
+>>> compact('000-0011032-71')
+'000001103271'
+>>> compact('591-1917064-58')
+'591191706458'
+>>> validate('000-0011032-71')
+'000001103271'
+>>> validate('591-1917064-58')
+'591191706458'
+>>> validate('591-2010999-97')
+'591201099997'
+>>> validate('000-0011032-25')
+Traceback (most recent call last):
+ ...
+InvalidChecksum: ...
+>>> format('591191706458')
+'591-1917064-58'
+"""
+
+from stdnum.exceptions import *
+from stdnum.util import clean, isdigits
+
+
+def compact(number):
+ """Convert the number to the minimal representation. This strips the
+ number of any valid separators and removes surrounding whitespace."""
+ return clean(number, ' -./').upper().strip()
+
+
+def _calc_check_digits(number):
+ """Calculate the expected check digits for the number, calculated as
+ the remainder of dividing the first 10 digits of the number by 97.
+ If the remainder is 0, the check number is set to 97.
+ """
+ return '%02d' % ((int(number[:10]) % 97) or 97)
+
+
+def validate(number):
+ """Check if the number is a valid ID card number.
+ This checks the length, formatting and check digit."""
+ number = compact(number)
+ if not isdigits(number) or int(number) <= 0:
+ raise InvalidFormat()
+ if len(number) != 12:
+ raise InvalidLength()
+ if _calc_check_digits(number[:-2]) != number[-2:]:
+ raise InvalidChecksum()
+ return number
+
+
+def is_valid(number):
+ """Check if the number is a valid Belgian ID Card number."""
+ try:
+ return bool(validate(number))
+ except ValidationError:
+ return False
+
+
+def format(number):
+ """Reformat the number to the standard presentation format."""
+ number = compact(number)
+ return '-'.join((number[:3], number[3:10], number[10:]))
-----------------------------------------------------------------------
Summary of changes:
stdnum/be/eid.py | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 stdnum/be/eid.py
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