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