some modifications. this might go back to 
http://www.nongnu.org/python-pdi/
than working on it nognu.org was down and i could not 
contact peter gebauer.
j@reboot.fm

Python-PDI - Library for Personal Data Interchange.
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Copyright (C) 2002-2003 Peter Gebauer
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This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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* For installation instructions read the file INSTALL.
* For license information read the file COPYING.
* For a quick tutorial read the file doc/tutorial.html.