All the code with the exception of _gzip.py is covered under either the BSD-style license immediately below, or (at your choice) the ZPL 2.1. The code in _gzip.py is taken from the effbot.org library, and falls under the effbot.org license (also BSD-style) that appears at the end of this file. Copyright (c) 2002-2010 John J. Lee Copyright (c) 1997-1999 Gisle Aas Copyright (c) 1997-1999 Johnny Lee Copyright (c) 2003 Andy Lester BSD-style License ================== All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 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