| 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 | <!ENTITY python3-download-http
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| 8 | "https://www.python.org/ftp/python/&python3-version;/Python-&python3-version;.tar.xz">
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| 9 | <!ENTITY python3-download-ftp " ">
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| 10 | <!ENTITY python3-md5sum "7d092d1bba6e17f0d9bd21b49e441dd5">
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| 11 | <!ENTITY python3-size "14 MB">
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| 12 | <!ENTITY python3-buildsize "274 MB (additional 38 MB for the docs and 29 MB for the tests)">
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| 13 | <!ENTITY python3-time "1.2 SBU (additional 1.8 SBU for the tests)">
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| 14 |
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| 15 | <!ENTITY python3htmldoc-download-http
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| 16 | "https://docs.python.org/3/archives/python-&python3-version;-docs-html.tar.bz2">
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| 17 | <!ENTITY python3htmldoc-md5sum "fd4595908e51268639c40b5ad1d1ccc2">
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| 18 | <!ENTITY python3htmldoc-size "5.2 MB">
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| 19 | ]>
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| 20 |
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| 21 | <sect1 id="python3" xreflabel="Python-&python3-version;">
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| 22 | <?dbhtml filename="python3.html" ?>
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| 23 |
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| 24 | <sect1info>
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| 25 | <othername>$LastChangedBy$</othername>
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| 26 | <date>$Date$</date>
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| 27 | </sect1info>
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| 28 |
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| 29 | <title>Python-&python3-version;</title>
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| 30 |
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| 31 | <indexterm zone="python3">
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| 32 | <primary sortas="a-Python3">Python3</primary>
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| 33 | </indexterm>
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| 34 |
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| 35 | <sect2 role="package">
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| 36 | <title>Introduction to Python 3</title>
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| 37 |
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| 38 | <para>
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| 39 | The <application>Python 3</application> package contains the
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| 40 | <application>Python</application> development environment.
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| 41 | This is useful for object-oriented programming, writing scripts,
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| 42 | prototyping large programs or developing entire applications.
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| 43 | </para>
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| 44 |
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| 45 | &lfs77_checked;
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| 46 |
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| 47 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 48 | <itemizedlist spacing="compact">
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| 49 | <listitem>
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| 50 | <para>
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| 51 | Download (HTTP): <ulink url="&python3-download-http;"/>
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| 52 | </para>
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| 53 | </listitem>
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| 54 | <listitem>
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| 55 | <para>
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| 56 | Download (FTP): <ulink url="&python3-download-ftp;"/>
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| 57 | </para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>
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| 61 | Download MD5 sum: &python3-md5sum;
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| 62 | </para>
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| 63 | </listitem>
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| 64 | <listitem>
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| 65 | <para>
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| 66 | Download size: &python3-size;
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| 67 | </para>
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| 68 | </listitem>
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| 69 | <listitem>
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| 70 | <para>
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| 71 | Estimated disk space required: &python3-buildsize;
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| 72 | </para>
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| 73 | </listitem>
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| 74 | <listitem>
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| 75 | <para>
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| 76 | Estimated build time: &python3-time;
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| 77 | </para>
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| 78 | </listitem>
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| 79 | </itemizedlist>
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| 80 |
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| 81 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 82 | <itemizedlist spacing="compact">
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| 83 | <title>Optional HTML Documentation</title>
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| 84 | <listitem>
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| 85 | <para>
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| 86 | Download (HTTP): <ulink url="&python3htmldoc-download-http;"/>
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| 87 | </para>
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| 88 | </listitem>
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| 89 | <listitem>
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| 90 | <para>
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| 91 | Download MD5 sum: &python3htmldoc-md5sum;
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| 92 | </para>
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| 93 | </listitem>
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| 94 | <listitem>
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| 95 | <para>
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| 96 | Download size: &python3htmldoc-size;
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| 97 | </para>
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| 98 | </listitem>
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| 99 | </itemizedlist>
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| 100 |
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| 101 | <bridgehead renderas="sect3">Python 3 Dependencies</bridgehead>
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| 102 |
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| 103 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 104 | <para role="recommended">
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| 105 | <xref linkend="libffi"/>
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| 106 | </para>
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| 107 |
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| 108 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 109 | <para role="optional">
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| 110 | <xref linkend="bluez"/>,
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| 111 | <xref linkend="gdb"/> (required for some tests), and
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| 112 | <xref linkend="valgrind"/>
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| 113 | </para>
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| 114 |
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| 115 | <bridgehead renderas="sect4">Optional (For Additional Modules)</bridgehead>
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| 116 | <para role="optional">
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| 117 | <xref linkend="db"/>,
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| 118 | <xref linkend="openssl"/>,
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| 119 | <xref linkend="sqlite"/> and
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| 120 | <xref linkend="tk"/>
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| 121 | </para>
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| 122 |
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| 123 | <para condition="html" role="usernotes">User Notes:
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| 124 | <ulink url="&blfs-wiki;/Python3"/>
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| 125 | </para>
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| 126 | </sect2>
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| 127 |
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| 128 | <sect2 role="installation">
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| 129 | <title>Installation of Python 3</title>
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| 130 |
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| 131 | <para>
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| 132 | Install <application>Python 3</application> by running the following
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| 133 | commands:
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| 134 | </para>
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| 135 |
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| 136 | <screen><userinput>CXX="/usr/bin/g++" \
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| 137 | ./configure --prefix=/usr \
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| 138 | --enable-shared \
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| 139 | --with-system-expat \
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| 140 | --with-system-ffi \
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| 141 | --without-ensurepip &&
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| 142 | make</userinput></screen>
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| 143 |
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| 144 | <para>
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| 145 | The test suite must be run separately, using an X terminal (see below).
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| 146 | </para>
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| 147 |
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| 148 | <para>
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| 149 | Now, as the <systemitem class="username">root</systemitem> user:
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| 150 | </para>
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| 151 |
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| 152 | <screen role="root"><userinput>make install &&
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| 153 | chmod -v 755 /usr/lib/libpython&python3-majorver;m.so &&
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| 154 | chmod -v 755 /usr/lib/libpython3.so</userinput></screen>
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| 155 |
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| 156 | <para>
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| 157 | If you have downloaded the preformatted documentation from
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| 158 | <ulink url="http://docs.python.org/download.html"/>, install it
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| 159 | as the <systemitem class="username">root</systemitem> user:
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| 160 | </para>
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| 161 |
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| 162 | <screen role="root"><userinput>install -v -dm755 /usr/share/doc/python-&python3-version;/html &&
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| 163 | tar --strip-components=1 \
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| 164 | --no-same-owner \
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| 165 | --no-same-permissions \
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| 166 | -C /usr/share/doc/python-&python3-version;/html \
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| 167 | -xvf ../python-&python3-version;-docs-html.tar.bz2</userinput></screen>
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| 168 |
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| 169 | <para>
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| 170 | The test suite must be run separately from the build, either before or
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| 171 | after the package is built and installed. Do not run
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| 172 | <command>make install</command>, after running the test suite. To build
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| 173 | and install the package, you need to start with a fresh or clean source
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| 174 | tree. For the test, you also need a clean source code, so either start by
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| 175 | removing the source code directory and starting over, by uncompressing
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| 176 | the source tarball or by running <command>make clean</command>. Then
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| 177 | configure again, adding <quote>--with-pydebug</quote> to the
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| 178 | <command>configure</command> switches above, run <command>make</command>,
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| 179 | then <command>make test</command>. Remember that some tests fail, if not
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| 180 | run in an X terminal.
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| 181 | </para>
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| 182 |
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| 183 | </sect2>
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| 184 |
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| 185 | <sect2 role="commands">
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| 186 | <title>Command Explanations</title>
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| 187 |
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| 188 | <para>
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| 189 | <command> CXX="/usr/bin/g++" ./configure ...</command>: Avoid an annoying
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| 190 | message during configuration.
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| 191 | </para>
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| 192 |
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| 193 | <para>
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| 194 | <option>--with-system-expat</option>: This switch enables linking against
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| 195 | system version of <application>Expat</application>.
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| 196 | </para>
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| 197 |
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| 198 | <para>
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| 199 | <option>--with-system-ffi</option>: This switch enables linking against
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| 200 | system version of <application>libffi</application>. Remove if you have
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| 201 | not installed recommended dependency <xref linkend="libffi"/>.
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| 202 | </para>
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| 203 |
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| 204 | <para>
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| 205 | <parameter>--with-dbmliborder=bdb:gdbm:ndbm</parameter>: Use this switch
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| 206 | if you want to build <application>Python</application> DBM Module
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| 207 | against <application>Berkeley DB</application> instead of
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| 208 | <application>GDBM</application>.
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| 209 | </para>
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| 210 |
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| 211 | <para>
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| 212 | <parameter>--without-ensurepip</parameter>: This switch disables building
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| 213 | <command>pip</command> and <command>setuptools</command>
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| 214 | packaging programs.
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| 215 | </para>
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| 216 |
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| 217 | <para>
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| 218 | <command>chmod ...</command>: Fix permissions for shared libraries to be
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| 219 | consistent with other libraries.
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| 220 | </para>
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| 221 |
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| 222 | </sect2>
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| 223 |
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| 224 | <sect2 role="configuration">
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| 225 | <title>Configuring Python 3</title>
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| 226 |
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| 227 | <para>
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| 228 | In order for <command>python3</command> to find the installed
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| 229 | documentation, you must add the following environment variable to
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| 230 | individual user's or the system's profile:
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| 231 | </para>
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| 232 |
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| 233 | <screen role="root"><userinput>export PYTHONDOCS=/usr/share/doc/python-&python3-version;/html</userinput></screen>
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| 234 |
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| 235 | </sect2>
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| 236 |
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| 237 | <sect2 role="content">
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| 238 | <title>Contents</title>
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| 239 |
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| 240 | <segmentedlist>
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| 241 | <segtitle>Installed Programs</segtitle>
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| 242 | <segtitle>Installed Libraries</segtitle>
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| 243 | <segtitle>Installed Directories</segtitle>
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| 244 |
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| 245 | <seglistitem>
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| 246 | <seg>
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| 247 | 2to3 (symlink),
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| 248 | 2to3-&python3-majorver;,
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| 249 |
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| 250 | pydoc3 (symlink),
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| 251 | pydoc&python3-majorver;,
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| 252 |
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| 253 | python3 (symlink);
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| 254 | python&python3-majorver; and python&python3-majorver;m (hardlinked);
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| 255 |
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| 256 | python3-config (symlink),
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| 257 | python&python3-majorver;-config (symlink),
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| 258 | python&python3-majorver;m-config,
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| 259 |
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| 260 | pyvenv (symlink),
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| 261 | pyvenv&python3-majorver;,
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| 262 |
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| 263 | idle3 (symlink), and
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| 264 | idle&python3-majorver;
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| 265 | </seg>
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| 266 | <seg>
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| 267 | libpython&python3-majorver;m.so and libpython3.so
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| 268 | </seg>
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| 269 | <seg>
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| 270 | /usr/include/python&python3-majorver;m,
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| 271 | /usr/lib/python&python3-majorver;, and
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| 272 | /usr/share/doc/python-&python3-version;
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| 273 | </seg>
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| 274 | </seglistitem>
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| 275 | </segmentedlist>
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| 276 |
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| 277 | <variablelist>
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| 278 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 279 | <?dbfo list-presentation="list"?>
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| 280 | <?dbhtml list-presentation="table"?>
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| 281 |
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| 282 | <varlistentry id="idle3">
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| 283 | <term><command>idle3</command></term>
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| 284 | <listitem>
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| 285 | <para>
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| 286 | is a wrapper script that opens a <application>Python</application>
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| 287 | aware GUI editor. For this script to run, you must have installed
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| 288 | <application>Tk</application> before Python so that the Tkinter
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| 289 | Python module is built.
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| 290 | </para>
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| 291 | <indexterm zone="python3 idle3">
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| 292 | <primary sortas="b-idle3">idle3</primary>
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| 293 | </indexterm>
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| 294 | </listitem>
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| 295 | </varlistentry>
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| 296 |
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| 297 | <varlistentry id="pydoc3">
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| 298 | <term><command>pydoc3</command></term>
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| 299 | <listitem>
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| 300 | <para>
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| 301 | is the <application>Python</application> documentation
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| 302 | tool.
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| 303 | </para>
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| 304 | <indexterm zone="python3 pydoc3">
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| 305 | <primary sortas="b-pydoc3">pydo3c</primary>
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| 306 | </indexterm>
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| 307 | </listitem>
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| 308 | </varlistentry>
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| 309 |
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| 310 | <varlistentry id="python3-prog">
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| 311 | <term><command>python3</command></term>
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| 312 | <listitem>
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| 313 | <para>
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| 314 | is an interpreted, interactive, object-oriented programming
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| 315 | language.
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| 316 | </para>
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| 317 | <indexterm zone="python3 python3-prog">
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| 318 | <primary sortas="b-python3">python3</primary>
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| 319 | </indexterm>
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| 320 | </listitem>
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| 321 | </varlistentry>
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| 322 |
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| 323 | <varlistentry id="python-ver">
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| 324 | <term><command>python&python3-majorver;</command></term>
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| 325 | <listitem>
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| 326 | <para>
|
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| 327 | is a version-specific name for the <command>python</command>
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| 328 | program.
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| 329 | </para>
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| 330 | <indexterm zone="python3 python-ver">
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| 331 | <primary
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| 332 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
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| 333 | </indexterm>
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| 334 | </listitem>
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| 335 | </varlistentry>
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| 336 |
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| 337 | <varlistentry id="pyvenv">
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| 338 | <term><command>pyvenv</command></term>
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| 339 | <listitem>
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| 340 | <para>
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| 341 | creates virtual <application>Python</application> environments in
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| 342 | one or more target directories.
|
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| 343 | </para>
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| 344 | <indexterm zone="python3 pyvenv">
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| 345 | <primary
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| 346 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
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| 347 | </indexterm>
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| 348 | </listitem>
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| 349 | </varlistentry>
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| 350 |
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| 351 | </variablelist>
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| 352 |
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| 353 | </sect2>
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| 354 |
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| 355 | </sect1>
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