Initial commit of OpenSPARC T2 architecture model.
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16<title>2.7 Additional meta-data</title>
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53<H1><A NAME="SECTION002700000000000000000"></A>
54<A NAME="meta-data"></A>
55<BR>
562.7 Additional meta-data
57</H1>
58
59<P>
60The setup script may include additional meta-data beyond the name and
61version. This information includes:
62
63<P>
64<div class="center"><table class="realtable">
65 <thead>
66 <tr>
67 <th class="left" >Meta-Data</th>
68 <th class="left" >Description</th>
69 <th class="left" >Value</th>
70 <th class="center">Notes</th>
71 </tr>
72 </thead>
73 <tbody>
74 <tr><td class="left" valign="baseline"><code>name</code></td>
75 <td class="left" >name of the package</td>
76 <td class="left" >short string</td>
77 <td class="center">(1)</td></tr>
78 <tr><td class="left" valign="baseline"><code>version</code></td>
79 <td class="left" >version of this release</td>
80 <td class="left" >short string</td>
81 <td class="center">(1)(2)</td></tr>
82 <tr><td class="left" valign="baseline"><code>author</code></td>
83 <td class="left" >package author's name</td>
84 <td class="left" >short string</td>
85 <td class="center">(3)</td></tr>
86 <tr><td class="left" valign="baseline"><code>author_email</code></td>
87 <td class="left" >email address of the package author</td>
88 <td class="left" >email address</td>
89 <td class="center">(3)</td></tr>
90 <tr><td class="left" valign="baseline"><code>maintainer</code></td>
91 <td class="left" >package maintainer's name</td>
92 <td class="left" >short string</td>
93 <td class="center">(3)</td></tr>
94 <tr><td class="left" valign="baseline"><code>maintainer_email</code></td>
95 <td class="left" >email address of the package maintainer</td>
96 <td class="left" >email address</td>
97 <td class="center">(3)</td></tr>
98 <tr><td class="left" valign="baseline"><code>url</code></td>
99 <td class="left" >home page for the package</td>
100 <td class="left" >URL</td>
101 <td class="center">(1)</td></tr>
102 <tr><td class="left" valign="baseline"><code>description</code></td>
103 <td class="left" >short, summary description of the package</td>
104 <td class="left" >short string</td>
105 <td class="center"></td></tr>
106 <tr><td class="left" valign="baseline"><code>long_description</code></td>
107 <td class="left" >longer description of the package</td>
108 <td class="left" >long string</td>
109 <td class="center"></td></tr>
110 <tr><td class="left" valign="baseline"><code>download_url</code></td>
111 <td class="left" >location where the package may be downloaded</td>
112 <td class="left" >URL</td>
113 <td class="center">(4)</td></tr>
114 <tr><td class="left" valign="baseline"><code>classifiers</code></td>
115 <td class="left" >a list of Trove classifiers</td>
116 <td class="left" >list of strings</td>
117 <td class="center">(4)</td></tr></tbody>
118</table></div>
119
120<P>
121Notes:
122<DL>
123<DT><STRONG>(1)</STRONG></DT>
124<DD>These fields are required.
125</DD>
126<DT><STRONG>(2)</STRONG></DT>
127<DD>It is recommended that versions take the form
128 <em>major.minor<big>[</big>.patch<big>[</big>.sub<big>]</big><big>]</big></em>.
129</DD>
130<DT><STRONG>(3)</STRONG></DT>
131<DD>Either the author or the maintainer must be identified.
132</DD>
133<DT><STRONG>(4)</STRONG></DT>
134<DD>These fields should not be used if your package is to be
135 compatible with Python versions prior to 2.2.3 or 2.3. The list is
136 available from the <a class="ulink" href="http://www.python.org/pypi"
137 >PyPI website</a>.
138
139<P>
140</DD>
141<DT><STRONG>'short string'</STRONG></DT>
142<DD>A single line of text, not more than 200 characters.
143</DD>
144<DT><STRONG>'long string'</STRONG></DT>
145<DD>Multiple lines of plain text in reStructuredText
146 format (see <a class="url" href="http://docutils.sf.net/">http://docutils.sf.net/</a>).
147</DD>
148<DT><STRONG>'list of strings'</STRONG></DT>
149<DD>See below.
150</DD>
151</DL>
152
153<P>
154None of the string values may be Unicode.
155
156<P>
157Encoding the version information is an art in itself. Python packages
158generally adhere to the version format
159<em>major.minor<big>[</big>.patch<big>]</big><big>[</big>sub<big>]</big></em>. The major number is
1600 for
161initial, experimental releases of software. It is incremented for
162releases that represent major milestones in a package. The minor
163number is incremented when important new features are added to the
164package. The patch number increments when bug-fix releases are
165made. Additional trailing version information is sometimes used to
166indicate sub-releases. These are "a1,a2,...,aN" (for alpha releases,
167where functionality and API may change), "b1,b2,...,bN" (for beta
168releases, which only fix bugs) and "pr1,pr2,...,prN" (for final
169pre-release release testing). Some examples:
170
171<P>
172<DL>
173<DT><STRONG>0.1.0</STRONG></DT>
174<DD>the first, experimental release of a package
175</DD>
176<DT><STRONG>1.0.1a2</STRONG></DT>
177<DD>the second alpha release of the first patch version of 1.0
178</DD>
179</DL>
180
181<P>
182<span class="du-option">classifiers</span> are specified in a python list:
183
184<P>
185<div class="verbatim"><pre>
186setup(...
187 classifiers=[
188 'Development Status :: 4 - Beta',
189 'Environment :: Console',
190 'Environment :: Web Environment',
191 'Intended Audience :: End Users/Desktop',
192 'Intended Audience :: Developers',
193 'Intended Audience :: System Administrators',
194 'License :: OSI Approved :: Python Software Foundation License',
195 'Operating System :: MacOS :: MacOS X',
196 'Operating System :: Microsoft :: Windows',
197 'Operating System :: POSIX',
198 'Programming Language :: Python',
199 'Topic :: Communications :: Email',
200 'Topic :: Office/Business',
201 'Topic :: Software Development :: Bug Tracking',
202 ],
203 )
204</pre></div>
205
206<P>
207If you wish to include classifiers in your <span class="file">setup.py</span> file and also
208wish to remain backwards-compatible with Python releases prior to 2.2.3,
209then you can include the following code fragment in your <span class="file">setup.py</span>
210before the <tt class="function">setup()</tt> call.
211
212<P>
213<div class="verbatim"><pre>
214# patch distutils if it can't cope with the "classifiers" or
215# "download_url" keywords
216if sys.version &lt; '2.2.3':
217 from distutils.dist import DistributionMetadata
218 DistributionMetadata.classifiers = None
219 DistributionMetadata.download_url = None
220</pre></div>
221
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257<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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