[b0aabe0] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-system-Python" role="wrap">
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| 9 | <?dbhtml filename="Python.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>Python</productname>
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| 13 | <productnumber>&python-version;</productnumber>
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| 14 | <address>&python-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Python-&python-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-Python">
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| 20 | <primary sortas="a-python">python</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Python 3 package contains the Python development environment. It
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| 27 | is useful for object-oriented programming, writing scripts, prototyping
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| 28 | large programs or developing entire applications.</para>
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| 29 |
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| 30 | <segmentedlist>
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| 31 | <segtitle>&buildtime;</segtitle>
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| 32 | <segtitle>&diskspace;</segtitle>
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| 33 |
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| 34 | <seglistitem>
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| 35 | <seg>&python-ch6-sbu;</seg>
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| 36 | <seg>&python-ch6-du;</seg>
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| 37 | </seglistitem>
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| 38 | </segmentedlist>
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| 39 |
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| 40 | </sect2>
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| 41 |
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| 42 | <sect2 role="installation">
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| 43 | <title>Installation of Python 3</title>
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| 44 |
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| 45 | <para>Prepare Python for compilation:</para>
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| 46 |
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| 47 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 48 | --enable-shared \
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| 49 | --with-system-expat \
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| 50 | --with-system-ffi \
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[f682fb5f] | 51 | --with-ensurepip=yes</userinput></screen>
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[b0aabe0] | 52 |
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| 53 | <variablelist>
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| 54 | <title>The meaning of the configure options:</title>
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| 55 |
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| 56 | <varlistentry>
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| 57 | <term><parameter>--with-system-expat</parameter></term>
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| 58 | <listitem>
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| 59 | <para>This switch enables linking against system version of
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| 60 | <application>Expat</application>.</para>
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| 61 | </listitem>
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| 62 | </varlistentry>
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| 63 |
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| 64 | <varlistentry>
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| 65 | <term><parameter>--with-system-ffi</parameter></term>
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| 66 | <listitem>
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| 67 | <para>This switch enables linking against system version of
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| 68 | <application>libffi</application>.</para>
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| 69 | </listitem>
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| 70 | </varlistentry>
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| 71 |
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| 72 | <varlistentry>
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| 73 | <term><parameter>--with-ensurepip=yes</parameter></term>
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| 74 | <listitem>
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| 75 | <para>This switch enables building <command>pip</command> and
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| 76 | <command>setuptools</command> packaging programs.</para>
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| 77 | </listitem>
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| 78 | </varlistentry>
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| 79 |
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| 80 | </variablelist>
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| 81 |
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| 82 | <para>Compile the package:</para>
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| 83 |
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| 84 | <screen><userinput remap="make">make</userinput></screen>
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| 85 |
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| 86 | <para>The test suite requires TK and and X Windows session and cannot
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| 87 | be run until Python 3 is reinstalled in BLFS.</para>
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| 88 |
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| 89 | <para>Install the package:</para>
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| 90 |
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| 91 | <screen><userinput remap="install">make install
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| 92 | chmod -v 755 /usr/lib/libpython3.6m.so
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| 93 | chmod -v 755 /usr/lib/libpython3.so</userinput></screen>
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| 94 |
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| 95 | <variablelist>
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| 96 | <title>The meaning of the install commands:</title>
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| 97 |
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| 98 | <varlistentry>
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| 99 | <term><command>chmod -v 755 /usr/lib/libpython3.{6m.,}so</command></term>
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| 100 | <listitem>
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| 101 | <para>Fix permissions for libraries to be consistent with other
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| 102 | libraries.</para>
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| 103 | </listitem>
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| 104 | </varlistentry>
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| 105 |
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| 106 | </variablelist>
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| 107 |
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| 108 | <para>If desired, install the preformatted documentation:</para>
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| 109 |
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| 110 | <screen><userinput remap="install">install -v -dm755 /usr/share/doc/python-&python-version;/html
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| 111 |
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| 112 | tar --strip-components=1 \
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| 113 | --no-same-owner \
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| 114 | --no-same-permissions \
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| 115 | -C /usr/share/doc/python-&python-version;/html \
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| 116 | -xvf ../python-&python-version;-docs-html.tar.bz2</userinput></screen>
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| 117 |
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| 118 | <variablelist>
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| 119 | <title>The meaning of the documentation install commands:</title>
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| 120 |
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| 121 | <varlistentry>
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| 122 | <term><option>--no-same-owner</option> and --no-same-permissions</term>
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| 123 | <listitem>
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| 124 | <para>Ensure the installed files have the correct ownership and
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[aa8c64b] | 125 | permissions. Without these options, using <application>tar</application>
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[b0aabe0] | 126 | will install the package files with the upstream creator's values.
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| 127 | </para>
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| 128 | </listitem>
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| 129 | </varlistentry>
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| 130 |
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| 131 | </variablelist>
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| 132 |
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| 133 | </sect2>
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| 134 |
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| 135 | <sect2 id="contents-python" role="content">
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| 136 | <title>Contents of Python 3</title>
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| 137 |
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| 138 | <segmentedlist>
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| 139 | <segtitle>Installed Programs</segtitle>
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| 140 | <segtitle>Installed Library</segtitle>
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| 141 | <segtitle>Installed Directories</segtitle>
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| 142 |
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| 143 | <seglistitem>
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| 144 | <seg>
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| 145 | 2to3, idle3, pydoc3, python3, python3-config, pyvenv
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| 146 | </seg>
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| 147 | <seg>
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| 148 | libpython3.6m.so and libpython3.so
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| 149 | </seg>
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| 150 | <seg>
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| 151 | /usr/include/python3.6m, /usr/lib/python3 and
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| 152 | /usr/share/doc/python-&python-version;
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| 153 | </seg>
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| 154 | </seglistitem>
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| 155 | </segmentedlist>
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| 156 |
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| 157 | <variablelist>
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| 158 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 159 | <?dbfo list-presentation="list"?>
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| 160 | <?dbhtml list-presentation="table"?>
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| 161 |
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| 162 | <varlistentry id="python-2to3">
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| 163 | <term><command>2to3</command></term>
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| 164 | <listitem>
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| 165 | <para>
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| 166 | is a <application>Python</application> program that reads
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| 167 | <application>Python 2.x</application> source code and applies a
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| 168 | series of fixes to transform it into valid
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| 169 | <application>Python 3.x</application> code.
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| 170 | </para>
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| 171 | <indexterm zone="ch-system-Python">
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| 172 | <primary sortas="b-2to3">2to3</primary>
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| 173 | </indexterm>
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| 174 | </listitem>
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| 175 | </varlistentry>
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| 176 |
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| 177 | <varlistentry id="idle3">
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| 178 | <term><command>idle3</command></term>
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| 179 | <listitem>
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| 180 | <para>
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| 181 | is a wrapper script that opens a <application>Python</application>
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| 182 | aware GUI editor. For this script to run, you must have installed
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| 183 | <application>Tk</application> before Python so that the Tkinter
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| 184 | Python module is built.
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| 185 | </para>
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| 186 | <indexterm zone="ch-system-Python">
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| 187 | <primary sortas="b-idle3">idle3</primary>
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| 188 | </indexterm>
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| 189 | </listitem>
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| 190 | </varlistentry>
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| 191 |
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| 192 | <varlistentry id="pydoc3">
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| 193 | <term><command>pydoc3</command></term>
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| 194 | <listitem>
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| 195 | <para>
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| 196 | is the <application>Python</application> documentation tool.
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| 197 | </para>
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| 198 | <indexterm zone="ch-system-Python">
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| 199 | <primary sortas="b-pydoc3">pydoc3</primary>
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| 200 | </indexterm>
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| 201 | </listitem>
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| 202 | </varlistentry>
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| 203 |
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| 204 | <varlistentry id="python3">
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| 205 | <term><command>python3</command></term>
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| 206 | <listitem>
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| 207 | <para>
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| 208 | is an interpreted, interactive, object-oriented programming
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| 209 | language.
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| 210 | </para>
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| 211 | <indexterm zone="ch-system-Python">
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| 212 | <primary sortas="b-python3">python3</primary>
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| 213 | </indexterm>
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| 214 | </listitem>
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| 215 | </varlistentry>
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| 216 |
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| 217 | <varlistentry id="pyvenv">
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| 218 | <term><command>pyvenv</command></term>
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| 219 | <listitem>
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| 220 | <para>
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| 221 | creates virtual <application>Python</application> environments in
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| 222 | one or more target directories.
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| 223 | </para>
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| 224 | <indexterm zone="ch-system-Python">
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| 225 | <primary sortas="b-pyvenv">pyvenv</primary>
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| 226 | </indexterm>
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| 227 | </listitem>
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| 228 | </varlistentry>
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| 229 |
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| 230 | </variablelist>
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| 231 |
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| 232 | </sect2>
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| 233 |
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| 234 | </sect1>
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| 235 |
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