paul@437 | 1 | A. HISTORY OF THE SOFTWARE
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paul@437 | 2 | ==========================
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paul@437 | 3 |
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paul@437 | 4 | Python was created in the early 1990s by Guido van Rossum at Stichting
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paul@437 | 5 | Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands
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paul@437 | 6 | as a successor of a language called ABC. Guido remains Python's
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paul@437 | 7 | principal author, although it includes many contributions from others.
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paul@437 | 8 |
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paul@437 | 9 | In 1995, Guido continued his work on Python at the Corporation for
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paul@437 | 10 | National Research Initiatives (CNRI, see http://www.cnri.reston.va.us)
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paul@437 | 11 | in Reston, Virginia where he released several versions of the
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paul@437 | 12 | software.
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paul@437 | 13 |
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paul@437 | 14 | In May 2000, Guido and the Python core development team moved to
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paul@437 | 15 | BeOpen.com to form the BeOpen PythonLabs team. In October of the same
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paul@437 | 16 | year, the PythonLabs team moved to Digital Creations (now Zope
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paul@437 | 17 | Corporation, see http://www.zope.com). In 2001, the Python Software
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paul@437 | 18 | Foundation (PSF, see http://www.python.org/psf/) was formed, a
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paul@437 | 19 | non-profit organization created specifically to own Python-related
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paul@437 | 20 | Intellectual Property. Zope Corporation is a sponsoring member of
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paul@437 | 21 | the PSF.
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paul@437 | 22 |
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paul@437 | 23 | All Python releases are Open Source (see http://www.opensource.org for
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paul@437 | 24 | the Open Source Definition). Historically, most, but not all, Python
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paul@437 | 25 | releases have also been GPL-compatible; the table below summarizes
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paul@437 | 26 | the various releases.
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paul@437 | 27 |
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paul@437 | 28 | Release Derived Year Owner GPL-
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paul@437 | 29 | from compatible? (1)
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paul@437 | 30 |
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paul@437 | 31 | 0.9.0 thru 1.2 1991-1995 CWI yes
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paul@437 | 32 | 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes
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paul@437 | 33 | 1.6 1.5.2 2000 CNRI no
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paul@437 | 34 | 2.0 1.6 2000 BeOpen.com no
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paul@437 | 35 | 1.6.1 1.6 2001 CNRI yes (2)
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paul@437 | 36 | 2.1 2.0+1.6.1 2001 PSF no
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paul@437 | 37 | 2.0.1 2.0+1.6.1 2001 PSF yes
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paul@437 | 38 | 2.1.1 2.1+2.0.1 2001 PSF yes
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paul@437 | 39 | 2.1.2 2.1.1 2002 PSF yes
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paul@437 | 40 | 2.1.3 2.1.2 2002 PSF yes
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paul@437 | 41 | 2.2 and above 2.1.1 2001-now PSF yes
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paul@437 | 42 |
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paul@437 | 43 | Footnotes:
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paul@437 | 44 |
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paul@437 | 45 | (1) GPL-compatible doesn't mean that we're distributing Python under
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paul@437 | 46 | the GPL. All Python licenses, unlike the GPL, let you distribute
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paul@437 | 47 | a modified version without making your changes open source. The
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paul@437 | 48 | GPL-compatible licenses make it possible to combine Python with
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paul@437 | 49 | other software that is released under the GPL; the others don't.
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paul@437 | 50 |
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paul@437 | 51 | (2) According to Richard Stallman, 1.6.1 is not GPL-compatible,
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paul@437 | 52 | because its license has a choice of law clause. According to
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paul@437 | 53 | CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1
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paul@437 | 54 | is "not incompatible" with the GPL.
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paul@437 | 55 |
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paul@437 | 56 | Thanks to the many outside volunteers who have worked under Guido's
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paul@437 | 57 | direction to make these releases possible.
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paul@437 | 58 |
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paul@437 | 59 |
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paul@437 | 60 | B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
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paul@437 | 61 | ===============================================================
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paul@437 | 62 |
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paul@437 | 63 | PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
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paul@437 | 64 | --------------------------------------------
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paul@437 | 65 |
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paul@437 | 66 | 1. This LICENSE AGREEMENT is between the Python Software Foundation
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paul@437 | 67 | ("PSF"), and the Individual or Organization ("Licensee") accessing and
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paul@437 | 68 | otherwise using this software ("Python") in source or binary form and
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paul@437 | 69 | its associated documentation.
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paul@437 | 70 |
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paul@437 | 71 | 2. Subject to the terms and conditions of this License Agreement, PSF hereby
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paul@437 | 72 | grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
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paul@437 | 73 | analyze, test, perform and/or display publicly, prepare derivative works,
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paul@437 | 74 | distribute, and otherwise use Python alone or in any derivative version,
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paul@437 | 75 | provided, however, that PSF's License Agreement and PSF's notice of copyright,
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paul@437 | 76 | i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
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paul@437 | 77 | 2011, 2012, 2013, 2014 Python Software Foundation; All Rights Reserved" are retained
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paul@437 | 78 | in Python alone or in any derivative version prepared by Licensee.
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paul@437 | 79 |
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paul@437 | 80 | 3. In the event Licensee prepares a derivative work that is based on
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paul@437 | 81 | or incorporates Python or any part thereof, and wants to make
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paul@437 | 82 | the derivative work available to others as provided herein, then
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paul@437 | 83 | Licensee hereby agrees to include in any such work a brief summary of
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paul@437 | 84 | the changes made to Python.
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paul@437 | 85 |
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paul@437 | 86 | 4. PSF is making Python available to Licensee on an "AS IS"
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paul@437 | 87 | basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
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paul@437 | 88 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
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paul@437 | 89 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
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paul@437 | 90 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
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paul@437 | 91 | INFRINGE ANY THIRD PARTY RIGHTS.
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paul@437 | 92 |
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paul@437 | 93 | 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
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paul@437 | 94 | FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
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paul@437 | 95 | A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
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paul@437 | 96 | OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
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paul@437 | 97 |
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paul@437 | 98 | 6. This License Agreement will automatically terminate upon a material
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paul@437 | 99 | breach of its terms and conditions.
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paul@437 | 100 |
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paul@437 | 101 | 7. Nothing in this License Agreement shall be deemed to create any
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paul@437 | 102 | relationship of agency, partnership, or joint venture between PSF and
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paul@437 | 103 | Licensee. This License Agreement does not grant permission to use PSF
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paul@437 | 104 | trademarks or trade name in a trademark sense to endorse or promote
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paul@437 | 105 | products or services of Licensee, or any third party.
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paul@437 | 106 |
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paul@437 | 107 | 8. By copying, installing or otherwise using Python, Licensee
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paul@437 | 108 | agrees to be bound by the terms and conditions of this License
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paul@437 | 109 | Agreement.
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paul@437 | 110 |
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paul@437 | 111 |
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paul@437 | 112 | BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0
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paul@437 | 113 | -------------------------------------------
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paul@437 | 114 |
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paul@437 | 115 | BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1
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paul@437 | 116 |
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paul@437 | 117 | 1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an
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paul@437 | 118 | office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the
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paul@437 | 119 | Individual or Organization ("Licensee") accessing and otherwise using
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paul@437 | 120 | this software in source or binary form and its associated
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paul@437 | 121 | documentation ("the Software").
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paul@437 | 122 |
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paul@437 | 123 | 2. Subject to the terms and conditions of this BeOpen Python License
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paul@437 | 124 | Agreement, BeOpen hereby grants Licensee a non-exclusive,
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paul@437 | 125 | royalty-free, world-wide license to reproduce, analyze, test, perform
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paul@437 | 126 | and/or display publicly, prepare derivative works, distribute, and
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paul@437 | 127 | otherwise use the Software alone or in any derivative version,
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paul@437 | 128 | provided, however, that the BeOpen Python License is retained in the
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paul@437 | 129 | Software, alone or in any derivative version prepared by Licensee.
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paul@437 | 130 |
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paul@437 | 131 | 3. BeOpen is making the Software available to Licensee on an "AS IS"
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paul@437 | 132 | basis. BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
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paul@437 | 133 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND
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paul@437 | 134 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
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paul@437 | 135 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT
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paul@437 | 136 | INFRINGE ANY THIRD PARTY RIGHTS.
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paul@437 | 137 |
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paul@437 | 138 | 4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE
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paul@437 | 139 | SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS
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paul@437 | 140 | AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY
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paul@437 | 141 | DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
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paul@437 | 142 |
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paul@437 | 143 | 5. This License Agreement will automatically terminate upon a material
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paul@437 | 144 | breach of its terms and conditions.
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paul@437 | 145 |
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paul@437 | 146 | 6. This License Agreement shall be governed by and interpreted in all
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paul@437 | 147 | respects by the law of the State of California, excluding conflict of
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paul@437 | 148 | law provisions. Nothing in this License Agreement shall be deemed to
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paul@437 | 149 | create any relationship of agency, partnership, or joint venture
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paul@437 | 150 | between BeOpen and Licensee. This License Agreement does not grant
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paul@437 | 151 | permission to use BeOpen trademarks or trade names in a trademark
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paul@437 | 152 | sense to endorse or promote products or services of Licensee, or any
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paul@437 | 153 | third party. As an exception, the "BeOpen Python" logos available at
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paul@437 | 154 | http://www.pythonlabs.com/logos.html may be used according to the
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paul@437 | 155 | permissions granted on that web page.
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paul@437 | 156 |
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paul@437 | 157 | 7. By copying, installing or otherwise using the software, Licensee
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paul@437 | 158 | agrees to be bound by the terms and conditions of this License
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paul@437 | 159 | Agreement.
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paul@437 | 160 |
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paul@437 | 161 |
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paul@437 | 162 | CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1
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paul@437 | 163 | ---------------------------------------
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paul@437 | 164 |
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paul@437 | 165 | 1. This LICENSE AGREEMENT is between the Corporation for National
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paul@437 | 166 | Research Initiatives, having an office at 1895 Preston White Drive,
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paul@437 | 167 | Reston, VA 20191 ("CNRI"), and the Individual or Organization
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paul@437 | 168 | ("Licensee") accessing and otherwise using Python 1.6.1 software in
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paul@437 | 169 | source or binary form and its associated documentation.
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paul@437 | 170 |
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paul@437 | 171 | 2. Subject to the terms and conditions of this License Agreement, CNRI
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paul@437 | 172 | hereby grants Licensee a nonexclusive, royalty-free, world-wide
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paul@437 | 173 | license to reproduce, analyze, test, perform and/or display publicly,
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paul@437 | 174 | prepare derivative works, distribute, and otherwise use Python 1.6.1
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paul@437 | 175 | alone or in any derivative version, provided, however, that CNRI's
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paul@437 | 176 | License Agreement and CNRI's notice of copyright, i.e., "Copyright (c)
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paul@437 | 177 | 1995-2001 Corporation for National Research Initiatives; All Rights
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paul@437 | 178 | Reserved" are retained in Python 1.6.1 alone or in any derivative
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paul@437 | 179 | version prepared by Licensee. Alternately, in lieu of CNRI's License
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paul@437 | 180 | Agreement, Licensee may substitute the following text (omitting the
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paul@437 | 181 | quotes): "Python 1.6.1 is made available subject to the terms and
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paul@437 | 182 | conditions in CNRI's License Agreement. This Agreement together with
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paul@437 | 183 | Python 1.6.1 may be located on the Internet using the following
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paul@437 | 184 | unique, persistent identifier (known as a handle): 1895.22/1013. This
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paul@437 | 185 | Agreement may also be obtained from a proxy server on the Internet
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paul@437 | 186 | using the following URL: http://hdl.handle.net/1895.22/1013".
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paul@437 | 187 |
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paul@437 | 188 | 3. In the event Licensee prepares a derivative work that is based on
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paul@437 | 189 | or incorporates Python 1.6.1 or any part thereof, and wants to make
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paul@437 | 190 | the derivative work available to others as provided herein, then
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paul@437 | 191 | Licensee hereby agrees to include in any such work a brief summary of
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paul@437 | 192 | the changes made to Python 1.6.1.
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paul@437 | 193 |
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paul@437 | 194 | 4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS"
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paul@437 | 195 | basis. CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
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paul@437 | 196 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND
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paul@437 | 197 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
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paul@437 | 198 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT
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paul@437 | 199 | INFRINGE ANY THIRD PARTY RIGHTS.
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paul@437 | 200 |
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paul@437 | 201 | 5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
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paul@437 | 202 | 1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
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paul@437 | 203 | A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1,
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paul@437 | 204 | OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
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paul@437 | 205 |
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paul@437 | 206 | 6. This License Agreement will automatically terminate upon a material
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paul@437 | 207 | breach of its terms and conditions.
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paul@437 | 208 |
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paul@437 | 209 | 7. This License Agreement shall be governed by the federal
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paul@437 | 210 | intellectual property law of the United States, including without
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paul@437 | 211 | limitation the federal copyright law, and, to the extent such
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paul@437 | 212 | U.S. federal law does not apply, by the law of the Commonwealth of
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paul@437 | 213 | Virginia, excluding Virginia's conflict of law provisions.
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paul@437 | 214 | Notwithstanding the foregoing, with regard to derivative works based
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paul@437 | 215 | on Python 1.6.1 that incorporate non-separable material that was
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paul@437 | 216 | previously distributed under the GNU General Public License (GPL), the
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paul@437 | 217 | law of the Commonwealth of Virginia shall govern this License
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paul@437 | 218 | Agreement only as to issues arising under or with respect to
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paul@437 | 219 | Paragraphs 4, 5, and 7 of this License Agreement. Nothing in this
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paul@437 | 220 | License Agreement shall be deemed to create any relationship of
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paul@437 | 221 | agency, partnership, or joint venture between CNRI and Licensee. This
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paul@437 | 222 | License Agreement does not grant permission to use CNRI trademarks or
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paul@437 | 223 | trade name in a trademark sense to endorse or promote products or
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paul@437 | 224 | services of Licensee, or any third party.
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paul@437 | 225 |
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paul@437 | 226 | 8. By clicking on the "ACCEPT" button where indicated, or by copying,
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paul@437 | 227 | installing or otherwise using Python 1.6.1, Licensee agrees to be
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paul@437 | 228 | bound by the terms and conditions of this License Agreement.
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paul@437 | 229 |
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paul@437 | 230 | ACCEPT
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paul@437 | 231 |
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paul@437 | 232 |
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paul@437 | 233 | CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2
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paul@437 | 234 | --------------------------------------------------
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paul@437 | 235 |
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paul@437 | 236 | Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
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paul@437 | 237 | The Netherlands. All rights reserved.
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paul@437 | 238 |
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paul@437 | 239 | Permission to use, copy, modify, and distribute this software and its
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paul@437 | 240 | documentation for any purpose and without fee is hereby granted,
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paul@437 | 241 | provided that the above copyright notice appear in all copies and that
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paul@437 | 242 | both that copyright notice and this permission notice appear in
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paul@437 | 243 | supporting documentation, and that the name of Stichting Mathematisch
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paul@437 | 244 | Centrum or CWI not be used in advertising or publicity pertaining to
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paul@437 | 245 | distribution of the software without specific, written prior
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paul@437 | 246 | permission.
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paul@437 | 247 |
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paul@437 | 248 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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paul@437 | 249 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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paul@437 | 250 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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paul@437 | 251 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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paul@437 | 252 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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paul@437 | 253 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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paul@437 | 254 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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