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1 | A. HISTORY OF THE SOFTWARE |
2 | ========================== | |
3 | ||
4 | Python was created in the early 1990s by Guido van Rossum at Stichting | |
5 | Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands | |
6 | as a successor of a language called ABC. Guido remains Python's | |
7 | principal author, although it includes many contributions from others. | |
8 | ||
9 | In 1995, Guido continued his work on Python at the Corporation for | |
10 | National Research Initiatives (CNRI, see http://www.cnri.reston.va.us) | |
11 | in Reston, Virginia where he released several versions of the | |
12 | software. | |
13 | ||
14 | In May 2000, Guido and the Python core development team moved to | |
15 | BeOpen.com to form the BeOpen PythonLabs team. In October of the same | |
16 | year, the PythonLabs team moved to Digital Creations (now Zope | |
17 | Corporation, see http://www.zope.com). In 2001, the Python Software | |
18 | Foundation (PSF, see http://www.python.org/psf/) was formed, a | |
19 | non-profit organization created specifically to own Python-related | |
20 | Intellectual Property. Zope Corporation is a sponsoring member of | |
21 | the PSF. | |
22 | ||
23 | All Python releases are Open Source (see http://www.opensource.org for | |
24 | the Open Source Definition). Historically, most, but not all, Python | |
25 | releases have also been GPL-compatible; the table below summarizes | |
26 | the various releases. | |
27 | ||
28 | Release Derived Year Owner GPL- | |
29 | from compatible? (1) | |
30 | ||
31 | 0.9.0 thru 1.2 1991-1995 CWI yes | |
32 | 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes | |
33 | 1.6 1.5.2 2000 CNRI no | |
34 | 2.0 1.6 2000 BeOpen.com no | |
35 | 1.6.1 1.6 2001 CNRI yes (2) | |
36 | 2.1 2.0+1.6.1 2001 PSF no | |
37 | 2.0.1 2.0+1.6.1 2001 PSF yes | |
38 | 2.1.1 2.1+2.0.1 2001 PSF yes | |
39 | 2.2 2.1.1 2001 PSF yes | |
40 | 2.1.2 2.1.1 2002 PSF yes | |
41 | 2.1.3 2.1.2 2002 PSF yes | |
42 | 2.2.1 2.2 2002 PSF yes | |
43 | 2.2.2 2.2.1 2002 PSF yes | |
44 | 2.2.3 2.2.2 2003 PSF yes | |
45 | 2.3 2.2.2 2002-2003 PSF yes | |
46 | 2.3.1 2.3 2002-2003 PSF yes | |
47 | 2.3.2 2.3.1 2002-2003 PSF yes | |
48 | 2.3.3 2.3.2 2002-2003 PSF yes | |
49 | 2.3.4 2.3.3 2004 PSF yes | |
50 | 2.3.5 2.3.4 2005 PSF yes | |
51 | 2.4 2.3 2004 PSF yes | |
52 | 2.4.1 2.4.1 2005 PSF yes | |
53 | 2.4.2 2.4.1 2005 PSF yes | |
54 | ||
55 | Footnotes: | |
56 | ||
57 | (1) GPL-compatible doesn't mean that we're distributing Python under | |
58 | the GPL. All Python licenses, unlike the GPL, let you distribute | |
59 | a modified version without making your changes open source. The | |
60 | GPL-compatible licenses make it possible to combine Python with | |
61 | other software that is released under the GPL; the others don't. | |
62 | ||
63 | (2) According to Richard Stallman, 1.6.1 is not GPL-compatible, | |
64 | because its license has a choice of law clause. According to | |
65 | CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1 | |
66 | is "not incompatible" with the GPL. | |
67 | ||
68 | Thanks to the many outside volunteers who have worked under Guido's | |
69 | direction to make these releases possible. | |
70 | ||
71 | ||
72 | B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON | |
73 | =============================================================== | |
74 | ||
75 | PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2 | |
76 | -------------------------------------------- | |
77 | ||
78 | 1. This LICENSE AGREEMENT is between the Python Software Foundation | |
79 | ("PSF"), and the Individual or Organization ("Licensee") accessing and | |
80 | otherwise using this software ("Python") in source or binary form and | |
81 | its associated documentation. | |
82 | ||
83 | 2. Subject to the terms and conditions of this License Agreement, PSF | |
84 | hereby grants Licensee a nonexclusive, royalty-free, world-wide | |
85 | license to reproduce, analyze, test, perform and/or display publicly, | |
86 | prepare derivative works, distribute, and otherwise use Python | |
87 | alone or in any derivative version, provided, however, that PSF's | |
88 | License Agreement and PSF's notice of copyright, i.e., "Copyright (c) | |
89 | 2001, 2002, 2003, 2004 Python Software Foundation; All Rights Reserved" | |
90 | are retained in Python alone or in any derivative version prepared | |
91 | by Licensee. | |
92 | ||
93 | 3. In the event Licensee prepares a derivative work that is based on | |
94 | or incorporates Python or any part thereof, and wants to make | |
95 | the derivative work available to others as provided herein, then | |
96 | Licensee hereby agrees to include in any such work a brief summary of | |
97 | the changes made to Python. | |
98 | ||
99 | 4. PSF is making Python available to Licensee on an "AS IS" | |
100 | basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR | |
101 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND | |
102 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS | |
103 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT | |
104 | INFRINGE ANY THIRD PARTY RIGHTS. | |
105 | ||
106 | 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON | |
107 | FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS | |
108 | A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON, | |
109 | OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. | |
110 | ||
111 | 6. This License Agreement will automatically terminate upon a material | |
112 | breach of its terms and conditions. | |
113 | ||
114 | 7. Nothing in this License Agreement shall be deemed to create any | |
115 | relationship of agency, partnership, or joint venture between PSF and | |
116 | Licensee. This License Agreement does not grant permission to use PSF | |
117 | trademarks or trade name in a trademark sense to endorse or promote | |
118 | products or services of Licensee, or any third party. | |
119 | ||
120 | 8. By copying, installing or otherwise using Python, Licensee | |
121 | agrees to be bound by the terms and conditions of this License | |
122 | Agreement. | |
123 | ||
124 | ||
125 | BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0 | |
126 | ------------------------------------------- | |
127 | ||
128 | BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1 | |
129 | ||
130 | 1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an | |
131 | office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the | |
132 | Individual or Organization ("Licensee") accessing and otherwise using | |
133 | this software in source or binary form and its associated | |
134 | documentation ("the Software"). | |
135 | ||
136 | 2. Subject to the terms and conditions of this BeOpen Python License | |
137 | Agreement, BeOpen hereby grants Licensee a non-exclusive, | |
138 | royalty-free, world-wide license to reproduce, analyze, test, perform | |
139 | and/or display publicly, prepare derivative works, distribute, and | |
140 | otherwise use the Software alone or in any derivative version, | |
141 | provided, however, that the BeOpen Python License is retained in the | |
142 | Software, alone or in any derivative version prepared by Licensee. | |
143 | ||
144 | 3. BeOpen is making the Software available to Licensee on an "AS IS" | |
145 | basis. BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR | |
146 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND | |
147 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS | |
148 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT | |
149 | INFRINGE ANY THIRD PARTY RIGHTS. | |
150 | ||
151 | 4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE | |
152 | SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS | |
153 | AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY | |
154 | DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. | |
155 | ||
156 | 5. This License Agreement will automatically terminate upon a material | |
157 | breach of its terms and conditions. | |
158 | ||
159 | 6. This License Agreement shall be governed by and interpreted in all | |
160 | respects by the law of the State of California, excluding conflict of | |
161 | law provisions. Nothing in this License Agreement shall be deemed to | |
162 | create any relationship of agency, partnership, or joint venture | |
163 | between BeOpen and Licensee. This License Agreement does not grant | |
164 | permission to use BeOpen trademarks or trade names in a trademark | |
165 | sense to endorse or promote products or services of Licensee, or any | |
166 | third party. As an exception, the "BeOpen Python" logos available at | |
167 | http://www.pythonlabs.com/logos.html may be used according to the | |
168 | permissions granted on that web page. | |
169 | ||
170 | 7. By copying, installing or otherwise using the software, Licensee | |
171 | agrees to be bound by the terms and conditions of this License | |
172 | Agreement. | |
173 | ||
174 | ||
175 | CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1 | |
176 | --------------------------------------- | |
177 | ||
178 | 1. This LICENSE AGREEMENT is between the Corporation for National | |
179 | Research Initiatives, having an office at 1895 Preston White Drive, | |
180 | Reston, VA 20191 ("CNRI"), and the Individual or Organization | |
181 | ("Licensee") accessing and otherwise using Python 1.6.1 software in | |
182 | source or binary form and its associated documentation. | |
183 | ||
184 | 2. Subject to the terms and conditions of this License Agreement, CNRI | |
185 | hereby grants Licensee a nonexclusive, royalty-free, world-wide | |
186 | license to reproduce, analyze, test, perform and/or display publicly, | |
187 | prepare derivative works, distribute, and otherwise use Python 1.6.1 | |
188 | alone or in any derivative version, provided, however, that CNRI's | |
189 | License Agreement and CNRI's notice of copyright, i.e., "Copyright (c) | |
190 | 1995-2001 Corporation for National Research Initiatives; All Rights | |
191 | Reserved" are retained in Python 1.6.1 alone or in any derivative | |
192 | version prepared by Licensee. Alternately, in lieu of CNRI's License | |
193 | Agreement, Licensee may substitute the following text (omitting the | |
194 | quotes): "Python 1.6.1 is made available subject to the terms and | |
195 | conditions in CNRI's License Agreement. This Agreement together with | |
196 | Python 1.6.1 may be located on the Internet using the following | |
197 | unique, persistent identifier (known as a handle): 1895.22/1013. This | |
198 | Agreement may also be obtained from a proxy server on the Internet | |
199 | using the following URL: http://hdl.handle.net/1895.22/1013". | |
200 | ||
201 | 3. In the event Licensee prepares a derivative work that is based on | |
202 | or incorporates Python 1.6.1 or any part thereof, and wants to make | |
203 | the derivative work available to others as provided herein, then | |
204 | Licensee hereby agrees to include in any such work a brief summary of | |
205 | the changes made to Python 1.6.1. | |
206 | ||
207 | 4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS" | |
208 | basis. CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR | |
209 | IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND | |
210 | DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS | |
211 | FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT | |
212 | INFRINGE ANY THIRD PARTY RIGHTS. | |
213 | ||
214 | 5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON | |
215 | 1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS | |
216 | A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1, | |
217 | OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. | |
218 | ||
219 | 6. This License Agreement will automatically terminate upon a material | |
220 | breach of its terms and conditions. | |
221 | ||
222 | 7. This License Agreement shall be governed by the federal | |
223 | intellectual property law of the United States, including without | |
224 | limitation the federal copyright law, and, to the extent such | |
225 | U.S. federal law does not apply, by the law of the Commonwealth of | |
226 | Virginia, excluding Virginia's conflict of law provisions. | |
227 | Notwithstanding the foregoing, with regard to derivative works based | |
228 | on Python 1.6.1 that incorporate non-separable material that was | |
229 | previously distributed under the GNU General Public License (GPL), the | |
230 | law of the Commonwealth of Virginia shall govern this License | |
231 | Agreement only as to issues arising under or with respect to | |
232 | Paragraphs 4, 5, and 7 of this License Agreement. Nothing in this | |
233 | License Agreement shall be deemed to create any relationship of | |
234 | agency, partnership, or joint venture between CNRI and Licensee. This | |
235 | License Agreement does not grant permission to use CNRI trademarks or | |
236 | trade name in a trademark sense to endorse or promote products or | |
237 | services of Licensee, or any third party. | |
238 | ||
239 | 8. By clicking on the "ACCEPT" button where indicated, or by copying, | |
240 | installing or otherwise using Python 1.6.1, Licensee agrees to be | |
241 | bound by the terms and conditions of this License Agreement. | |
242 | ||
243 | ACCEPT | |
244 | ||
245 | ||
246 | CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2 | |
247 | -------------------------------------------------- | |
248 | ||
249 | Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam, | |
250 | The Netherlands. All rights reserved. | |
251 | ||
252 | Permission to use, copy, modify, and distribute this software and its | |
253 | documentation for any purpose and without fee is hereby granted, | |
254 | provided that the above copyright notice appear in all copies and that | |
255 | both that copyright notice and this permission notice appear in | |
256 | supporting documentation, and that the name of Stichting Mathematisch | |
257 | Centrum or CWI not be used in advertising or publicity pertaining to | |
258 | distribution of the software without specific, written prior | |
259 | permission. | |
260 | ||
261 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | |
262 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
263 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | |
264 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
265 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
266 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | |
267 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |