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Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / html / python / lib / node839.html
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55<H1><A NAME="SECTION0027100000000000000000">
56C.1 History of the software</A>
57</H1>
58
59<P>
60Python was created in the early 1990s by Guido van Rossum at Stichting
61Mathematisch Centrum (CWI, see <a class="url" href="http://www.cwi.nl/">http://www.cwi.nl/</a>) in the Netherlands
62as a successor of a language called ABC. Guido remains Python's
63principal author, although it includes many contributions from others.
64
65<P>
66In 1995, Guido continued his work on Python at the Corporation for
67National Research Initiatives (CNRI, see <a class="url" href="http://www.cnri.reston.va.us/">http://www.cnri.reston.va.us/</a>)
68in Reston, Virginia where he released several versions of the
69software.
70
71<P>
72In May 2000, Guido and the Python core development team moved to
73BeOpen.com to form the BeOpen PythonLabs team. In October of the same
74year, the PythonLabs team moved to Digital Creations (now Zope
75Corporation; see <a class="url" href="http://www.zope.com/">http://www.zope.com/</a>). In 2001, the Python
76Software Foundation (PSF, see <a class="url" href="http://www.python.org/psf/">http://www.python.org/psf/</a>) was
77formed, a non-profit organization created specifically to own
78Python-related Intellectual Property. Zope Corporation is a
79sponsoring member of the PSF.
80
81<P>
82All Python releases are Open Source (see
83<a class="url" href="http://www.opensource.org/">http://www.opensource.org/</a> for the Open Source Definition).
84Historically, most, but not all, Python releases have also been
85GPL-compatible; the table below summarizes the various releases.
86
87<P>
88<div class="center"><table class="realtable">
89 <thead>
90 <tr>
91 <th class="center">Release</th>
92 <th class="center">Derived from</th>
93 <th class="center">Year</th>
94 <th class="center">Owner</th>
95 <th class="center">GPL compatible?</th>
96 </tr>
97 </thead>
98 <tbody>
99 <tr><td class="center" valign="baseline">0.9.0 thru 1.2</td>
100 <td class="center">n/a</td>
101 <td class="center">1991-1995</td>
102 <td class="center">CWI</td>
103 <td class="center">yes</td></tr>
104 <tr><td class="center" valign="baseline">1.3 thru 1.5.2</td>
105 <td class="center">1.2</td>
106 <td class="center">1995-1999</td>
107 <td class="center">CNRI</td>
108 <td class="center">yes</td></tr>
109 <tr><td class="center" valign="baseline">1.6</td>
110 <td class="center">1.5.2</td>
111 <td class="center">2000</td>
112 <td class="center">CNRI</td>
113 <td class="center">no</td></tr>
114 <tr><td class="center" valign="baseline">2.0</td>
115 <td class="center">1.6</td>
116 <td class="center">2000</td>
117 <td class="center">BeOpen.com</td>
118 <td class="center">no</td></tr>
119 <tr><td class="center" valign="baseline">1.6.1</td>
120 <td class="center">1.6</td>
121 <td class="center">2001</td>
122 <td class="center">CNRI</td>
123 <td class="center">no</td></tr>
124 <tr><td class="center" valign="baseline">2.1</td>
125 <td class="center">2.0+1.6.1</td>
126 <td class="center">2001</td>
127 <td class="center">PSF</td>
128 <td class="center">no</td></tr>
129 <tr><td class="center" valign="baseline">2.0.1</td>
130 <td class="center">2.0+1.6.1</td>
131 <td class="center">2001</td>
132 <td class="center">PSF</td>
133 <td class="center">yes</td></tr>
134 <tr><td class="center" valign="baseline">2.1.1</td>
135 <td class="center">2.1+2.0.1</td>
136 <td class="center">2001</td>
137 <td class="center">PSF</td>
138 <td class="center">yes</td></tr>
139 <tr><td class="center" valign="baseline">2.2</td>
140 <td class="center">2.1.1</td>
141 <td class="center">2001</td>
142 <td class="center">PSF</td>
143 <td class="center">yes</td></tr>
144 <tr><td class="center" valign="baseline">2.1.2</td>
145 <td class="center">2.1.1</td>
146 <td class="center">2002</td>
147 <td class="center">PSF</td>
148 <td class="center">yes</td></tr>
149 <tr><td class="center" valign="baseline">2.1.3</td>
150 <td class="center">2.1.2</td>
151 <td class="center">2002</td>
152 <td class="center">PSF</td>
153 <td class="center">yes</td></tr>
154 <tr><td class="center" valign="baseline">2.2.1</td>
155 <td class="center">2.2</td>
156 <td class="center">2002</td>
157 <td class="center">PSF</td>
158 <td class="center">yes</td></tr>
159 <tr><td class="center" valign="baseline">2.2.2</td>
160 <td class="center">2.2.1</td>
161 <td class="center">2002</td>
162 <td class="center">PSF</td>
163 <td class="center">yes</td></tr>
164 <tr><td class="center" valign="baseline">2.2.3</td>
165 <td class="center">2.2.2</td>
166 <td class="center">2002-2003</td>
167 <td class="center">PSF</td>
168 <td class="center">yes</td></tr>
169 <tr><td class="center" valign="baseline">2.3</td>
170 <td class="center">2.2.2</td>
171 <td class="center">2002-2003</td>
172 <td class="center">PSF</td>
173 <td class="center">yes</td></tr>
174 <tr><td class="center" valign="baseline">2.3.1</td>
175 <td class="center">2.3</td>
176 <td class="center">2002-2003</td>
177 <td class="center">PSF</td>
178 <td class="center">yes</td></tr>
179 <tr><td class="center" valign="baseline">2.3.2</td>
180 <td class="center">2.3.1</td>
181 <td class="center">2003</td>
182 <td class="center">PSF</td>
183 <td class="center">yes</td></tr>
184 <tr><td class="center" valign="baseline">2.3.3</td>
185 <td class="center">2.3.2</td>
186 <td class="center">2003</td>
187 <td class="center">PSF</td>
188 <td class="center">yes</td></tr>
189 <tr><td class="center" valign="baseline">2.3.4</td>
190 <td class="center">2.3.3</td>
191 <td class="center">2004</td>
192 <td class="center">PSF</td>
193 <td class="center">yes</td></tr>
194 <tr><td class="center" valign="baseline">2.3.5</td>
195 <td class="center">2.3.4</td>
196 <td class="center">2005</td>
197 <td class="center">PSF</td>
198 <td class="center">yes</td></tr>
199 <tr><td class="center" valign="baseline">2.4</td>
200 <td class="center">2.3</td>
201 <td class="center">2004</td>
202 <td class="center">PSF</td>
203 <td class="center">yes</td></tr>
204 <tr><td class="center" valign="baseline">2.4.1</td>
205 <td class="center">2.4</td>
206 <td class="center">2005</td>
207 <td class="center">PSF</td>
208 <td class="center">yes</td></tr>
209 <tr><td class="center" valign="baseline">2.4.2</td>
210 <td class="center">2.4.1</td>
211 <td class="center">2005</td>
212 <td class="center">PSF</td>
213 <td class="center">yes</td></tr></tbody>
214</table></div>
215
216<P>
217<span class="note"><b class="label">Note:</b>
218GPL-compatible doesn't mean that we're distributing
219Python under the GPL. All Python licenses, unlike the GPL, let you
220distribute a modified version without making your changes open source.
221The GPL-compatible licenses make it possible to combine Python with
222other software that is released under the GPL; the others don't.</span>
223
224<P>
225Thanks to the many outside volunteers who have worked under Guido's
226direction to make these releases possible.
227
228<P>
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264<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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Full OpenSPARC architecture tarball including simulator, hypervisor, and OBP.