Copyright © 2010 Caringo, Inc.All rights reserved 1Version 5.0December 2010Chapter 1. 3rd Party Licenses1.1. Python version 2.5This is the official license for the Python 2.5 release:A. HISTORY OF THE SOFTWARE==========================Python was created in the early 1990s by Guido van Rossum at StichtingMathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlandsas a successor of a language called ABC. Guido remains Python'sprincipal author, although it includes many contributions from others.In 1995, Guido continued his work on Python at the Corporation forNational Research Initiatives (CNRI, see http://www.cnri.reston.va.us)in Reston, Virginia where he released several versions of thesoftware.In May 2000, Guido and the Python core development team moved toBeOpen.com to form the BeOpen PythonLabs team. In October of the sameyear, the PythonLabs team moved to Digital Creations (now ZopeCorporation, see http://www.zope.com). In 2001, the Python SoftwareFoundation (PSF, see http://www.python.org/psf/) was formed, anon-profit organization created specifically to own Python-relatedIntellectual Property. Zope Corporation is a sponsoring member ofthe PSF.All Python releases are Open Source (see http://www.opensource.org forthe Open Source Definition). Historically, most, but not all, Pythonreleases have also been GPL-compatible; the table below summarizesthe various releases.Release Derived Year Owner GPL-from compatible? (1)0.9.0 thru 1.2 1991-1995 CWI yes1.3 thru 1.5.2 1.2 1995-1999 CNRI yes1.6 1.5.2 2000 CNRI no2.0 1.6 2000 BeOpen.com no1.6.1 1.6 2001 CNRI yes (2)2.1 2.0+1.6.1 2001 PSF no2.0.1 2.0+1.6.1 2001 PSF yes2.1.1 2.1+2.0.1 2001 PSF yes2.2 2.1.1 2001 PSF yes2.1.2 2.1.1 2002 PSF yes2.1.3 2.1.2 2002 PSF yes2.2.1 2.2 2002 PSF yes2.2.2 2.2.1 2002 PSF yes2.2.3 2.2.2 2003 PSF yes2.3 2.2.2 2002-2003 PSF yes2.3.1 2.3 2002-2003 PSF yes2.3.2 2.3.1 2002-2003 PSF yes