This is python-stdnum, a library for parsing and validating standard
number.

Files: *
Copyright: Copyright (C) 2010 Arthur de Jong
License: LGPL-2.1+
  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.
  .
  On Debian GNU/Linux systems, the complete text of
  the GNU Lesser General Public License can be found in
  /usr/share/common-licenses/LGPL-2.1.