Doc/texinputs/license.tex

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