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| author | Arthur de Jong <arthur@arthurdejong.org> | 2017-09-08 10:48:45 +0200 |
|---|---|---|
| committer | Arthur de Jong <arthur@arthurdejong.org> | 2017-09-08 10:54:15 +0200 |
| commit | 2cc39ea459dcd712462113e12ceb5eda27de9ecb (patch) | |
| tree | 01ed1860696d8dcf433ae9c417b56280585a14ab /stdnum/cz | |
| parent | d24a439d2a7c5ce3ed1628e3393f67cae45b67e2 (diff) | |
Fix Czech DIČ check digit calculation
This fixes a bug in the check digit calculation for the 9-digit numbers
that start with a 6 for individuals without a RČ. This also adds a few
tests for Czech VAT numbers.
See https://github.com/arthurdejong/python-stdnum/issues/51
Diffstat (limited to 'stdnum/cz')
| -rw-r--r-- | stdnum/cz/dic.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/stdnum/cz/dic.py b/stdnum/cz/dic.py index fc24b24..df507ac 100644 --- a/stdnum/cz/dic.py +++ b/stdnum/cz/dic.py @@ -1,7 +1,7 @@ # dic.py - functions for handling Czech VAT numbers # coding: utf-8 # -# Copyright (C) 2012, 2013 Arthur de Jong +# Copyright (C) 2012-2017 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 @@ -64,8 +64,8 @@ def calc_check_digit_legal(number): def calc_check_digit_special(number): """Calculate the check digit for special cases. The number passed should not have the first and last digits included.""" - check = (11 - sum((8 - i) * int(n) for i, n in enumerate(number))) % 11 - return str(9 - check % 10) + check = sum((8 - i) * int(n) for i, n in enumerate(number)) % 11 + return str((8 - (10 - check) % 11 ) % 10) def validate(number): |