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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>History and License — Python v2.6.6 documentation</title> <link rel="stylesheet" href="_static/default.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '', VERSION: '2.6.6', COLLAPSE_MODINDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="_static/jquery.js"></script> <script type="text/javascript" src="_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python v2.6.6 documentation" href="_static/opensearch.xml"/> <link rel="author" title="About these documents" href="about.html" /> <link rel="copyright" title="Copyright" href="copyright.html" /> <link rel="top" title="Python v2.6.6 documentation" href="index.html" /> <link rel="prev" title="Copyright" href="copyright.html" /> <link rel="shortcut icon" type="image/png" href="_static/py.png" /> </head> <body> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="modindex.html" title="Global Module Index" accesskey="M">modules</a> |</li> <li class="right" > <a href="copyright.html" title="Copyright" accesskey="P">previous</a> |</li> <li><img src="_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="index.html">Python v2.6.6 documentation</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="history-and-license"> <span id="id1"></span><h1>History and License<a class="headerlink" href="#history-and-license" title="Permalink to this headline">¶</a></h1> <div class="section" id="history-of-the-software"> <h2>History of the software<a class="headerlink" href="#history-of-the-software" title="Permalink to this headline">¶</a></h2> <p>Python was created in the early 1990s by Guido van Rossum at Stichting Mathematisch Centrum (CWI, see <a class="reference external" href="http://www.cwi.nl/">http://www.cwi.nl/</a>) in the Netherlands as a successor of a language called ABC. Guido remains Python’s principal author, although it includes many contributions from others.</p> <p>In 1995, Guido continued his work on Python at the Corporation for National Research Initiatives (CNRI, see <a class="reference external" href="http://www.cnri.reston.va.us/">http://www.cnri.reston.va.us/</a>) in Reston, Virginia where he released several versions of the software.</p> <p>In May 2000, Guido and the Python core development team moved to BeOpen.com to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team moved to Digital Creations (now Zope Corporation; see <a class="reference external" href="http://www.zope.com/">http://www.zope.com/</a>). In 2001, the Python Software Foundation (PSF, see <a class="reference external" href="http://www.python.org/psf/">http://www.python.org/psf/</a>) was formed, a non-profit organization created specifically to own Python-related Intellectual Property. Zope Corporation is a sponsoring member of the PSF.</p> <p>All Python releases are Open Source (see <a class="reference external" href="http://www.opensource.org/">http://www.opensource.org/</a> for the Open Source Definition). Historically, most, but not all, Python releases have also been GPL-compatible; the table below summarizes the various releases.</p> <table border="1" class="docutils"> <colgroup> <col width="23%" /> <col width="20%" /> <col width="16%" /> <col width="17%" /> <col width="24%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Release</th> <th class="head">Derived from</th> <th class="head">Year</th> <th class="head">Owner</th> <th class="head">GPL compatible?</th> </tr> </thead> <tbody valign="top"> <tr><td>0.9.0 thru 1.2</td> <td>n/a</td> <td>1991-1995</td> <td>CWI</td> <td>yes</td> </tr> <tr><td>1.3 thru 1.5.2</td> <td>1.2</td> <td>1995-1999</td> <td>CNRI</td> <td>yes</td> </tr> <tr><td>1.6</td> <td>1.5.2</td> <td>2000</td> <td>CNRI</td> <td>no</td> </tr> <tr><td>2.0</td> <td>1.6</td> <td>2000</td> <td>BeOpen.com</td> <td>no</td> </tr> <tr><td>1.6.1</td> <td>1.6</td> <td>2001</td> <td>CNRI</td> <td>no</td> </tr> <tr><td>2.1</td> <td>2.0+1.6.1</td> <td>2001</td> <td>PSF</td> <td>no</td> </tr> <tr><td>2.0.1</td> <td>2.0+1.6.1</td> <td>2001</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.1.1</td> <td>2.1+2.0.1</td> <td>2001</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.2</td> <td>2.1.1</td> <td>2001</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.1.2</td> <td>2.1.1</td> <td>2002</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.1.3</td> <td>2.1.2</td> <td>2002</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.2.1</td> <td>2.2</td> <td>2002</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.2.2</td> <td>2.2.1</td> <td>2002</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.2.3</td> <td>2.2.2</td> <td>2002-2003</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3</td> <td>2.2.2</td> <td>2002-2003</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3.1</td> <td>2.3</td> <td>2002-2003</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3.2</td> <td>2.3.1</td> <td>2003</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3.3</td> <td>2.3.2</td> <td>2003</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3.4</td> <td>2.3.3</td> <td>2004</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.3.5</td> <td>2.3.4</td> <td>2005</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.4</td> <td>2.3</td> <td>2004</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.4.1</td> <td>2.4</td> <td>2005</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.4.2</td> <td>2.4.1</td> <td>2005</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.4.3</td> <td>2.4.2</td> <td>2006</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.4.4</td> <td>2.4.3</td> <td>2006</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.5</td> <td>2.4</td> <td>2006</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.5.1</td> <td>2.5</td> <td>2007</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.5.2</td> <td>2.5.1</td> <td>2008</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.5.3</td> <td>2.5.2</td> <td>2008</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6</td> <td>2.5</td> <td>2008</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6.1</td> <td>2.6</td> <td>2008</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6.2</td> <td>2.6.1</td> <td>2009</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6.3</td> <td>2.6.2</td> <td>2009</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6.4</td> <td>2.6.3</td> <td>2009</td> <td>PSF</td> <td>yes</td> </tr> <tr><td>2.6.5</td> <td>2.6.4</td> <td>2010</td> <td>PSF</td> <td>yes</td> </tr> </tbody> </table> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">GPL-compatible doesn’t mean that we’re distributing Python under the GPL. All Python licenses, unlike the GPL, let you distribute a modified version without making your changes open source. The GPL-compatible licenses make it possible to combine Python with other software that is released under the GPL; the others don’t.</p> </div> <p>Thanks to the many outside volunteers who have worked under Guido’s direction to make these releases possible.</p> </div> <div class="section" id="terms-and-conditions-for-accessing-or-otherwise-using-python"> <h2>Terms and conditions for accessing or otherwise using Python<a class="headerlink" href="#terms-and-conditions-for-accessing-or-otherwise-using-python" title="Permalink to this headline">¶</a></h2> <p class="centered"> <strong>PSF LICENSE AGREEMENT FOR PYTHON 2.6.6</strong></p><ol class="arabic simple"> <li>This LICENSE AGREEMENT is between the Python Software Foundation (“PSF”), and the Individual or Organization (“Licensee”) accessing and otherwise using Python 2.6.6 software in source or binary form and its associated documentation.</li> <li>Subject to the terms and conditions of this License Agreement, PSF hereby grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use Python 2.6.6 alone or in any derivative version, provided, however, that PSF’s License Agreement and PSF’s notice of copyright, i.e., “Copyright © 2001-2010 Python Software Foundation; All Rights Reserved” are retained in Python 2.6.6 alone or in any derivative version prepared by Licensee.</li> <li>In the event Licensee prepares a derivative work that is based on or incorporates Python 2.6.6 or any part thereof, and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work a brief summary of the changes made to Python 2.6.6.</li> <li>PSF is making Python 2.6.6 available to Licensee on an “AS IS” basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 2.6.6 WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.</li> <li>PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON 2.6.6 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 2.6.6, OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.</li> <li>This License Agreement will automatically terminate upon a material breach of its terms and conditions.</li> <li>Nothing in this License Agreement shall be deemed to create any relationship of agency, partnership, or joint venture between PSF and Licensee. This License Agreement does not grant permission to use PSF trademarks or trade name in a trademark sense to endorse or promote products or services of Licensee, or any third party.</li> <li>By copying, installing or otherwise using Python 2.6.6, Licensee agrees to be bound by the terms and conditions of this License Agreement.</li> </ol> <p class="centered"> <strong>BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0</strong></p><p class="centered"> <strong>BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1</strong></p><ol class="arabic simple"> <li>This LICENSE AGREEMENT is between BeOpen.com (“BeOpen”), having an office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the Individual or Organization (“Licensee”) accessing and otherwise using this software in source or binary form and its associated documentation (“the Software”).</li> <li>Subject to the terms and conditions of this BeOpen Python License Agreement, BeOpen hereby grants Licensee a non-exclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use the Software alone or in any derivative version, provided, however, that the BeOpen Python License is retained in the Software, alone or in any derivative version prepared by Licensee.</li> <li>BeOpen is making the Software available to Licensee on an “AS IS” basis. BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.</li> <li>BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.</li> <li>This License Agreement will automatically terminate upon a material breach of its terms and conditions.</li> <li>This License Agreement shall be governed by and interpreted in all respects by the law of the State of California, excluding conflict of law provisions. Nothing in this License Agreement shall be deemed to create any relationship of agency, partnership, or joint venture between BeOpen and Licensee. This License Agreement does not grant permission to use BeOpen trademarks or trade names in a trademark sense to endorse or promote products or services of Licensee, or any third party. As an exception, the “BeOpen Python” logos available at <a class="reference external" href="http://www.pythonlabs.com/logos.html">http://www.pythonlabs.com/logos.html</a> may be used according to the permissions granted on that web page.</li> <li>By copying, installing or otherwise using the software, Licensee agrees to be bound by the terms and conditions of this License Agreement.</li> </ol> <p class="centered"> <strong>CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1</strong></p><ol class="arabic simple"> <li>This LICENSE AGREEMENT is between the Corporation for National Research Initiatives, having an office at 1895 Preston White Drive, Reston, VA 20191 (“CNRI”), and the Individual or Organization (“Licensee”) accessing and otherwise using Python 1.6.1 software in source or binary form and its associated documentation.</li> <li>Subject to the terms and conditions of this License Agreement, CNRI hereby grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use Python 1.6.1 alone or in any derivative version, provided, however, that CNRI’s License Agreement and CNRI’s notice of copyright, i.e., “Copyright © 1995-2001 Corporation for National Research Initiatives; All Rights Reserved” are retained in Python 1.6.1 alone or in any derivative version prepared by Licensee. Alternately, in lieu of CNRI’s License Agreement, Licensee may substitute the following text (omitting the quotes): “Python 1.6.1 is made available subject to the terms and conditions in CNRI’s License Agreement. This Agreement together with Python 1.6.1 may be located on the Internet using the following unique, persistent identifier (known as a handle): 1895.22/1013. This Agreement may also be obtained from a proxy server on the Internet using the following URL: <a class="reference external" href="http://hdl.handle.net/1895.22/1013">http://hdl.handle.net/1895.22/1013</a>.”</li> <li>In the event Licensee prepares a derivative work that is based on or incorporates Python 1.6.1 or any part thereof, and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work a brief summary of the changes made to Python 1.6.1.</li> <li>CNRI is making Python 1.6.1 available to Licensee on an “AS IS” basis. CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.</li> <li>CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON 1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1, OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.</li> <li>This License Agreement will automatically terminate upon a material breach of its terms and conditions.</li> <li>This License Agreement shall be governed by the federal intellectual property law of the United States, including without limitation the federal copyright law, and, to the extent such U.S. federal law does not apply, by the law of the Commonwealth of Virginia, excluding Virginia’s conflict of law provisions. Notwithstanding the foregoing, with regard to derivative works based on Python 1.6.1 that incorporate non-separable material that was previously distributed under the GNU General Public License (GPL), the law of the Commonwealth of Virginia shall govern this License Agreement only as to issues arising under or with respect to Paragraphs 4, 5, and 7 of this License Agreement. Nothing in this License Agreement shall be deemed to create any relationship of agency, partnership, or joint venture between CNRI and Licensee. This License Agreement does not grant permission to use CNRI trademarks or trade name in a trademark sense to endorse or promote products or services of Licensee, or any third party.</li> <li>By clicking on the “ACCEPT” button where indicated, or by copying, installing or otherwise using Python 1.6.1, Licensee agrees to be bound by the terms and conditions of this License Agreement.</li> </ol> <p class="centered"> <strong>ACCEPT</strong></p><p class="centered"> <strong>CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2</strong></p><p>Copyright © 1991 - 1995, Stichting Mathematisch Centrum Amsterdam, The Netherlands. All rights reserved.</p> <p>Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Stichting Mathematisch Centrum or CWI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission.</p> <p>STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</p> </div> <div class="section" id="licenses-and-acknowledgements-for-incorporated-software"> <h2>Licenses and Acknowledgements for Incorporated Software<a class="headerlink" href="#licenses-and-acknowledgements-for-incorporated-software" title="Permalink to this headline">¶</a></h2> <p>This section is an incomplete, but growing list of licenses and acknowledgements for third-party software incorporated in the Python distribution.</p> <div class="section" id="mersenne-twister"> <h3>Mersenne Twister<a class="headerlink" href="#mersenne-twister" title="Permalink to this headline">¶</a></h3> <p>The <tt class="xref docutils literal"><span class="pre">_random</span></tt> module includes code based on a download from <a class="reference external" href="http://www.math.keio.ac.jp/">http://www.math.keio.ac.jp/</a> matumoto/MT2002/emt19937ar.html. The following are the verbatim comments from the original code:</p> <div class="highlight-none"><div class="highlight"><pre>A C-program for MT19937, with initialization improved 2002/1/26. Coded by Takuji Nishimura and Makoto Matsumoto. Before using, initialize the state by using init_genrand(seed) or init_by_array(init_key, key_length). Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. 3. The names of its contributors may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Any feedback is very welcome. http://www.math.keio.ac.jp/matumoto/emt.html email: matumoto@math.keio.ac.jp </pre></div> </div> </div> <div class="section" id="sockets"> <h3>Sockets<a class="headerlink" href="#sockets" title="Permalink to this headline">¶</a></h3> <p>The <a title="Low-level networking interface." class="reference external" href="library/socket.html#module-socket"><tt class="xref docutils literal"><span class="pre">socket</span></tt></a> module uses the functions, <tt class="xref docutils literal"><span class="pre">getaddrinfo()</span></tt>, and <tt class="xref docutils literal"><span class="pre">getnameinfo()</span></tt>, which are coded in separate source files from the WIDE Project, <a class="reference external" href="http://www.wide.ad.jp/">http://www.wide.ad.jp/</a>.</p> <div class="highlight-none"><div class="highlight"><pre>Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. 3. Neither the name of the project nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND GAI_ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE FOR GAI_ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON GAI_ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN GAI_ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. </pre></div> </div> </div> <div class="section" id="floating-point-exception-control"> <h3>Floating point exception control<a class="headerlink" href="#floating-point-exception-control" title="Permalink to this headline">¶</a></h3> <p>The source for the <a title="(Unix) Provide control for floating point exception handling." class="reference external" href="library/fpectl.html#module-fpectl"><tt class="xref docutils literal"><span class="pre">fpectl</span></tt></a> module includes the following notice:</p> <div class="highlight-none"><div class="highlight"><pre> --------------------------------------------------------------------- / Copyright (c) 1996. \ | The Regents of the University of California. | | All rights reserved. | | | | Permission to use, copy, modify, and distribute this software for | | any purpose without fee is hereby granted, provided that this en- | | tire notice is included in all copies of any software which is or | | includes a copy or modification of this software and in all | | copies of the supporting documentation for such software. | | | | This work was produced at the University of California, Lawrence | | Livermore National Laboratory under contract no. W-7405-ENG-48 | | between the U.S. Department of Energy and The Regents of the | | University of California for the operation of UC LLNL. | | | | DISCLAIMER | | | | This software was prepared as an account of work sponsored by an | | agency of the United States Government. Neither the United States | | Government nor the University of California nor any of their em- | | ployees, makes any warranty, express or implied, or assumes any | | liability or responsibility for the accuracy, completeness, or | | usefulness of any information, apparatus, product, or process | | disclosed, or represents that its use would not infringe | | privately-owned rights. Reference herein to any specific commer- | | cial products, process, or service by trade name, trademark, | | manufacturer, or otherwise, does not necessarily constitute or | | imply its endorsement, recommendation, or favoring by the United | | States Government or the University of California. The views and | | opinions of authors expressed herein do not necessarily state or | | reflect those of the United States Government or the University | | of California, and shall not be used for advertising or product | \ endorsement purposes. / --------------------------------------------------------------------- </pre></div> </div> </div> <div class="section" id="md5-message-digest-algorithm"> <h3>MD5 message digest algorithm<a class="headerlink" href="#md5-message-digest-algorithm" title="Permalink to this headline">¶</a></h3> <p>The source code for the <a title="RSA's MD5 message digest algorithm. (deprecated)" class="reference external" href="library/md5.html#module-md5"><tt class="xref docutils literal"><span class="pre">md5</span></tt></a> module contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. L. Peter Deutsch ghost@aladdin.com Independent implementation of MD5 (RFC 1321). This code implements the MD5 Algorithm defined in RFC 1321, whose text is available at http://www.ietf.org/rfc/rfc1321.txt The code is derived from the text of the RFC, including the test suite (section A.5) but excluding the rest of Appendix A. It does not include any code or documentation that is identified in the RFC as being copyrighted. The original and principal author of md5.h is L. Peter Deutsch <ghost@aladdin.com>. Other authors are noted in the change history that follows (in reverse chronological order): 2002-04-13 lpd Removed support for non-ANSI compilers; removed references to Ghostscript; clarified derivation from RFC 1321; now handles byte order either statically or dynamically. 1999-11-04 lpd Edited comments slightly for automatic TOC extraction. 1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); added conditionalization for C++ compilation from Martin Purschke <purschke@bnl.gov>. 1999-05-03 lpd Original version. </pre></div> </div> </div> <div class="section" id="asynchronous-socket-services"> <h3>Asynchronous socket services<a class="headerlink" href="#asynchronous-socket-services" title="Permalink to this headline">¶</a></h3> <p>The <a title="Support for asynchronous command/response protocols." class="reference external" href="library/asynchat.html#module-asynchat"><tt class="xref docutils literal"><span class="pre">asynchat</span></tt></a> and <a title="A base class for developing asynchronous socket handling services." class="reference external" href="library/asyncore.html#module-asyncore"><tt class="xref docutils literal"><span class="pre">asyncore</span></tt></a> modules contain the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright 1996 by Sam Rushing All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Sam Rushing not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. SAM RUSHING DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SAM RUSHING BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. </pre></div> </div> </div> <div class="section" id="cookie-management"> <h3>Cookie management<a class="headerlink" href="#cookie-management" title="Permalink to this headline">¶</a></h3> <p>The <a title="Support for HTTP state management (cookies)." class="reference external" href="library/cookie.html#module-Cookie"><tt class="xref docutils literal"><span class="pre">Cookie</span></tt></a> module contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright 2000 by Timothy O'Malley <timo@alum.mit.edu> All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Timothy O'Malley not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Timothy O'Malley DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL Timothy O'Malley BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. </pre></div> </div> </div> <div class="section" id="profiling"> <h3>Profiling<a class="headerlink" href="#profiling" title="Permalink to this headline">¶</a></h3> <p>The <a title="Python source profiler." class="reference external" href="library/profile.html#module-profile"><tt class="xref docutils literal"><span class="pre">profile</span></tt></a> and <a title="Statistics object for use with the profiler." class="reference external" href="library/profile.html#module-pstats"><tt class="xref docutils literal"><span class="pre">pstats</span></tt></a> modules contain the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright 1994, by InfoSeek Corporation, all rights reserved. Written by James Roskind Permission to use, copy, modify, and distribute this Python software and its associated documentation for any purpose (subject to the restriction in the following sentence) without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of InfoSeek not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. This permission is explicitly restricted to the copying and modification of the software to remain in Python, compiled Python, or other languages (such as C) wherein the modified or derived code is exclusively imported into a Python module. INFOSEEK CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INFOSEEK CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. </pre></div> </div> </div> <div class="section" id="execution-tracing"> <h3>Execution tracing<a class="headerlink" href="#execution-tracing" title="Permalink to this headline">¶</a></h3> <p>The <a title="Trace or track Python statement execution." class="reference external" href="library/trace.html#module-trace"><tt class="xref docutils literal"><span class="pre">trace</span></tt></a> module contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>portions copyright 2001, Autonomous Zones Industries, Inc., all rights... err... reserved and offered to the public under the terms of the Python 2.2 license. Author: Zooko O'Whielacronx http://zooko.com/ mailto:zooko@zooko.com Copyright 2000, Mojam Media, Inc., all rights reserved. Author: Skip Montanaro Copyright 1999, Bioreason, Inc., all rights reserved. Author: Andrew Dalke Copyright 1995-1997, Automatrix, Inc., all rights reserved. Author: Skip Montanaro Copyright 1991-1995, Stichting Mathematisch Centrum, all rights reserved. Permission to use, copy, modify, and distribute this Python software and its associated documentation for any purpose without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of neither Automatrix, Bioreason or Mojam Media be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. </pre></div> </div> </div> <div class="section" id="uuencode-and-uudecode-functions"> <h3>UUencode and UUdecode functions<a class="headerlink" href="#uuencode-and-uudecode-functions" title="Permalink to this headline">¶</a></h3> <p>The <a title="Encode and decode files in uuencode format." class="reference external" href="library/uu.html#module-uu"><tt class="xref docutils literal"><span class="pre">uu</span></tt></a> module contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright 1994 by Lance Ellinghouse Cathedral City, California Republic, United States of America. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Lance Ellinghouse not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. LANCE ELLINGHOUSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL LANCE ELLINGHOUSE CENTRUM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Modified by Jack Jansen, CWI, July 1995: - Use binascii module to do the actual line-by-line conversion between ascii and binary. This results in a 1000-fold speedup. The C version is still 5 times faster, though. - Arguments more compliant with Python standard </pre></div> </div> </div> <div class="section" id="xml-remote-procedure-calls"> <h3>XML Remote Procedure Calls<a class="headerlink" href="#xml-remote-procedure-calls" title="Permalink to this headline">¶</a></h3> <p>The <a title="XML-RPC client access." class="reference external" href="library/xmlrpclib.html#module-xmlrpclib"><tt class="xref docutils literal"><span class="pre">xmlrpclib</span></tt></a> module contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre> The XML-RPC client interface is Copyright (c) 1999-2002 by Secret Labs AB Copyright (c) 1999-2002 by Fredrik Lundh By obtaining, using, and/or copying this software and/or its associated documentation, you agree that you have read, understood, and will comply with the following terms and conditions: Permission to use, copy, modify, and distribute this software and its associated documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Secret Labs AB or the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT- ABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. </pre></div> </div> </div> <div class="section" id="test-epoll"> <h3>test_epoll<a class="headerlink" href="#test-epoll" title="Permalink to this headline">¶</a></h3> <p>The <tt class="xref docutils literal"><span class="pre">test_epoll</span></tt> contains the following notice:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright (c) 2001-2006 Twisted Matrix Laboratories. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. </pre></div> </div> </div> <div class="section" id="select-kqueue"> <h3>Select kqueue<a class="headerlink" href="#select-kqueue" title="Permalink to this headline">¶</a></h3> <p>The <a title="Wait for I/O completion on multiple streams." class="reference external" href="library/select.html#module-select"><tt class="xref docutils literal"><span class="pre">select</span></tt></a> and contains the following notice for the kqueue interface:</p> <div class="highlight-none"><div class="highlight"><pre>Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. </pre></div> </div> </div> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3><a href="contents.html">Table Of Contents</a></h3> <ul> <li><a class="reference external" href="#">History and License</a><ul> <li><a class="reference external" href="#history-of-the-software">History of the software</a></li> <li><a class="reference external" href="#terms-and-conditions-for-accessing-or-otherwise-using-python">Terms and conditions for accessing or otherwise using Python</a></li> <li><a class="reference external" href="#licenses-and-acknowledgements-for-incorporated-software">Licenses and Acknowledgements for Incorporated Software</a><ul> <li><a class="reference external" href="#mersenne-twister">Mersenne Twister</a></li> <li><a class="reference external" href="#sockets">Sockets</a></li> <li><a class="reference external" href="#floating-point-exception-control">Floating point exception control</a></li> <li><a class="reference external" href="#md5-message-digest-algorithm">MD5 message digest algorithm</a></li> <li><a class="reference external" href="#asynchronous-socket-services">Asynchronous socket services</a></li> <li><a class="reference external" href="#cookie-management">Cookie management</a></li> <li><a class="reference external" href="#profiling">Profiling</a></li> <li><a class="reference external" href="#execution-tracing">Execution tracing</a></li> <li><a class="reference external" href="#uuencode-and-uudecode-functions">UUencode and UUdecode functions</a></li> <li><a class="reference external" href="#xml-remote-procedure-calls">XML Remote Procedure Calls</a></li> <li><a class="reference external" href="#test-epoll">test_epoll</a></li> <li><a class="reference external" href="#select-kqueue">Select kqueue</a></li> </ul> </li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="copyright.html" title="previous chapter">Copyright</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="bugs.html">Report a Bug</a></li> <li><a href="_sources/license.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="search.html" method="get"> <input type="text" name="q" size="18" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="modindex.html" title="Global Module Index" >modules</a> |</li> <li class="right" > <a href="copyright.html" title="Copyright" >previous</a> |</li> <li><img src="_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="index.html">Python v2.6.6 documentation</a> »</li> </ul> </div> <div class="footer"> © <a href="copyright.html">Copyright</a> 1990-2011, Python Software Foundation. <br /> The Python Software Foundation is a non-profit corporation. <a href="http://www.python.org/psf/donations/">Please donate.</a> <br /> Last updated on Jul 20, 2011. <a href="bugs.html">Found a bug</a>? <br /> Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 0.6.6. </div> </body> </html>
