source: chapter06/python.xml@ 71ab47c

multilib-10.1 multilib-before-cross
Last change on this file since 71ab47c was 71ab47c, checked in by Thomas Trepl <thomas@…>, 2 years ago

MultiLib: Merge changes from trunk

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/multilib@11703 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-Python" role="wrap">
9 <?dbhtml filename="Python.html"?>
10
11 <sect1info condition="script">
12 <productname>Python</productname>
13 <productnumber>&python-version;</productnumber>
14 <address>&python-url;</address>
15 </sect1info>
16
17 <title>Python-&python-version;</title>
18
19 <indexterm zone="ch-system-Python">
20 <primary sortas="a-python">python</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Python 3 package contains the Python development environment. It
27 is useful for object-oriented programming, writing scripts, prototyping
28 large programs or developing entire applications.</para>
29
30 <segmentedlist>
31 <segtitle>&buildtime;</segtitle>
32 <segtitle>&diskspace;</segtitle>
33
34 <seglistitem>
35 <seg>&python-ch6-sbu;</seg>
36 <seg>&python-ch6-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Python 3</title>
44
45 <para>Prepare Python for compilation:</para>
46
47<screen><userinput remap="configure">./configure --prefix=/usr \
48 --enable-shared \
49 --with-system-expat \
50 --with-system-ffi \
51 --with-ensurepip=yes</userinput></screen>
52
53 <variablelist>
54 <title>The meaning of the configure options:</title>
55
56 <varlistentry>
57 <term><parameter>--with-system-expat</parameter></term>
58 <listitem>
59 <para>This switch enables linking against system version of
60 <application>Expat</application>.</para>
61 </listitem>
62 </varlistentry>
63
64 <varlistentry>
65 <term><parameter>--with-system-ffi</parameter></term>
66 <listitem>
67 <para>This switch enables linking against system version of
68 <application>libffi</application>.</para>
69 </listitem>
70 </varlistentry>
71
72 <varlistentry>
73 <term><parameter>--with-ensurepip=yes</parameter></term>
74 <listitem>
75 <para>This switch enables building <command>pip</command> and
76 <command>setuptools</command> packaging programs.</para>
77 </listitem>
78 </varlistentry>
79
80 </variablelist>
81
82 <para>Compile the package:</para>
83
84<screen><userinput remap="make">make</userinput></screen>
85
86 <para>The test suite requires TK and X Windows session and cannot
87 be run until Python 3 is reinstalled in BLFS.</para>
88
89 <para>Install the package:</para>
90
91<screen><userinput remap="install">make install
92chmod -v 755 /usr/lib/libpython&python-minor;.so
93chmod -v 755 /usr/lib/libpython3.so
94ln -sfv pip&python-minor; /usr/bin/pip3</userinput></screen>
95
96 <variablelist>
97 <title>The meaning of the install commands:</title>
98<!-- ====== Change 8m if Python minor version changes ======= -->
99 <varlistentry>
100 <term><command>chmod -v 755 /usr/lib/libpython3.{8.,}so</command></term>
101 <listitem>
102 <para>Fix permissions for libraries to be consistent with other
103 libraries.</para>
104 </listitem>
105 </varlistentry>
106
107 </variablelist>
108
109 <para>If desired, install the preformatted documentation:</para>
110
111<screen><userinput remap="install">install -v -dm755 /usr/share/doc/python-&python-version;/html
112
113tar --strip-components=1 \
114 --no-same-owner \
115 --no-same-permissions \
116 -C /usr/share/doc/python-&python-version;/html \
117 -xvf ../python-&python-version;-docs-html.tar.bz2</userinput></screen>
118
119 <variablelist>
120 <title>The meaning of the documentation install commands:</title>
121
122 <varlistentry>
123 <term><option>--no-same-owner</option> and <option>--no-same-permissions</option></term>
124 <listitem>
125 <para>Ensure the installed files have the correct ownership and
126 permissions. Without these options, using <application>tar</application>
127 will install the package files with the upstream creator's values.
128 </para>
129 </listitem>
130 </varlistentry>
131
132 </variablelist>
133
134 </sect2>
135
136 <sect2 id="contents-python" role="content">
137 <title>Contents of Python 3</title>
138
139 <segmentedlist>
140 <segtitle>Installed Programs</segtitle>
141 <segtitle>Installed Library</segtitle>
142 <segtitle>Installed Directories</segtitle>
143
144 <seglistitem>
145 <seg>
146 2to3, idle3, pip3, pydoc3, python3, python3-config, and pyvenv
147 </seg>
148 <seg>
149 libpython&python-minor;.so and libpython3.so
150 </seg>
151 <seg>
152 /usr/include/python&python-minor;,
153 /usr/lib/python3, and
154 /usr/share/doc/python-&python-version;
155 </seg>
156 </seglistitem>
157 </segmentedlist>
158
159 <variablelist>
160 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
161 <?dbfo list-presentation="list"?>
162 <?dbhtml list-presentation="table"?>
163
164 <varlistentry id="python-2to3">
165 <term><command>2to3</command></term>
166 <listitem>
167 <para>
168 is a <application>Python</application> program that reads
169 <application>Python 2.x</application> source code and applies a
170 series of fixes to transform it into valid
171 <application>Python 3.x</application> code.
172 </para>
173 <indexterm zone="ch-system-Python">
174 <primary sortas="b-2to3">2to3</primary>
175 </indexterm>
176 </listitem>
177 </varlistentry>
178
179 <varlistentry id="idle3">
180 <term><command>idle3</command></term>
181 <listitem>
182 <para>
183 is a wrapper script that opens a <application>Python</application>
184 aware GUI editor. For this script to run, you must have installed
185 <application>Tk</application> before Python so that the Tkinter
186 Python module is built.
187 </para>
188 <indexterm zone="ch-system-Python">
189 <primary sortas="b-idle3">idle3</primary>
190 </indexterm>
191 </listitem>
192 </varlistentry>
193
194 <varlistentry id="pip3">
195 <term><command>pip3</command></term>
196 <listitem>
197 <para>
198 The package installer for Python. You can use pip to install
199 packages from Python Package Index and other indexes.
200 </para>
201 <indexterm zone="ch-system-Python">
202 <primary sortas="b-pip3">pip3</primary>
203 </indexterm>
204 </listitem>
205 </varlistentry>
206
207 <varlistentry id="pydoc3">
208 <term><command>pydoc3</command></term>
209 <listitem>
210 <para>
211 is the <application>Python</application> documentation tool.
212 </para>
213 <indexterm zone="ch-system-Python">
214 <primary sortas="b-pydoc3">pydoc3</primary>
215 </indexterm>
216 </listitem>
217 </varlistentry>
218
219 <varlistentry id="python3">
220 <term><command>python3</command></term>
221 <listitem>
222 <para>
223 is an interpreted, interactive, object-oriented programming
224 language.
225 </para>
226 <indexterm zone="ch-system-Python">
227 <primary sortas="b-python3">python3</primary>
228 </indexterm>
229 </listitem>
230 </varlistentry>
231
232 <varlistentry id="pyvenv">
233 <term><command>pyvenv</command></term>
234 <listitem>
235 <para>
236 creates virtual <application>Python</application> environments in
237 one or more target directories.
238 </para>
239 <indexterm zone="ch-system-Python">
240 <primary sortas="b-pyvenv">pyvenv</primary>
241 </indexterm>
242 </listitem>
243 </varlistentry>
244
245 </variablelist>
246
247 </sect2>
248
249</sect1>
250
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