| 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 "692b4fc3a2ba0d54d1495d4ead5b0b5c">
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| 11 | <!ENTITY python3-size "16 MB">
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| 12 | <!ENTITY python3-buildsize "355 MB (with docs; add 25 MB for the tests)">
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| 13 | <!ENTITY python3-time "1.3 SBU (add 0.6 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/&python3-majorver;/archives/python-&python3-version;-docs-html.tar.bz2">
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| 17 | ]>
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| 18 |
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| 19 | <sect1 id="python3" xreflabel="Python-&python3-version;">
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| 20 | <?dbhtml filename="python3.html" ?>
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| 21 |
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| 22 | <sect1info>
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| 23 | <othername>$LastChangedBy$</othername>
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| 24 | <date>$Date$</date>
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| 25 | </sect1info>
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| 26 |
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| 27 | <title>Python-&python3-version;</title>
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| 28 |
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| 29 | <indexterm zone="python3">
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| 30 | <primary sortas="a-Python3">Python3</primary>
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| 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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| 34 | <title>Introduction to Python 3</title>
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| 35 |
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| 36 | <para>
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| 37 | The <application>Python 3</application> package contains the
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| 38 | <application>Python</application> development environment.
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| 39 | This is useful for object-oriented programming, writing scripts,
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| 40 | prototyping large programs or developing entire applications.
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| 41 | </para>
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| 42 |
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| 43 | &lfs80_checked;
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| 44 |
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| 45 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 46 | <itemizedlist spacing="compact">
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| 47 | <listitem>
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| 48 | <para>
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| 49 | Download (HTTP): <ulink url="&python3-download-http;"/>
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| 50 | </para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>
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| 54 | Download (FTP): <ulink url="&python3-download-ftp;"/>
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| 55 | </para>
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| 56 | </listitem>
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| 57 | <listitem>
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| 58 | <para>
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| 59 | Download MD5 sum: &python3-md5sum;
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| 60 | </para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>
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| 64 | Download size: &python3-size;
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| 65 | </para>
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| 66 | </listitem>
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| 67 | <listitem>
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| 68 | <para>
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| 69 | Estimated disk space required: &python3-buildsize;
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| 70 | </para>
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| 71 | </listitem>
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| 72 | <listitem>
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| 73 | <para>
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| 74 | Estimated build time: &python3-time;
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| 75 | </para>
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| 76 | </listitem>
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| 77 | </itemizedlist>
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| 78 |
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| 79 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 80 | <itemizedlist spacing="compact">
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| 81 | <title>Optional HTML Documentation</title>
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| 82 | <listitem>
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| 83 | <para>
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| 84 | Download (HTTP): <ulink url="&python3htmldoc-download-http;"/>
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| 85 | </para>
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| 86 | </listitem>
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| 87 | </itemizedlist>
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| 88 |
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| 89 | <bridgehead renderas="sect3">Python 3 Dependencies</bridgehead>
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| 90 |
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| 91 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 92 | <para role="recommended">
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| 93 | <xref linkend="libffi"/>
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| 94 | </para>
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| 95 |
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| 96 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 97 | <para role="optional">
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| 98 | <xref linkend="bluez"/>,
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| 99 | <xref linkend="gdb"/> (required for some tests), and
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| 100 | <xref linkend="valgrind"/>
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| 101 | </para>
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| 102 |
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| 103 | <bridgehead renderas="sect4">Optional (For Additional Modules)</bridgehead>
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| 104 | <para role="optional">
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| 105 | <xref linkend="db"/>,
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| 106 | <xref linkend="openssl"/>,
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| 107 | <xref linkend="sqlite"/> and
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| 108 | <xref linkend="tk"/>
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| 109 | </para>
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| 110 |
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| 111 | <para condition="html" role="usernotes">User Notes:
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| 112 | <ulink url="&blfs-wiki;/Python3"/>
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| 113 | </para>
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| 114 | </sect2>
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| 115 |
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| 116 | <sect2 role="installation">
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| 117 | <title>Installation of Python 3</title>
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| 118 |
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| 119 | <para>
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| 120 | Install <application>Python 3</application> by running the following
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| 121 | commands:
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| 122 | </para>
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| 123 |
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| 124 | <screen><userinput>CXX="/usr/bin/g++" \
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| 125 | ./configure --prefix=/usr \
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| 126 | --enable-shared \
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| 127 | --with-system-expat \
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| 128 | --with-system-ffi \
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| 129 | --with-ensurepip=yes &&
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| 130 | make</userinput></screen>
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| 131 |
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| 132 | <para>
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| 133 | The test suite must be run separately, using an X terminal (see below).
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| 134 | </para>
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| 135 |
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| 136 | <para>
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| 137 | Now, as the <systemitem class="username">root</systemitem> user:
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| 138 | </para>
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| 139 |
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| 140 | <screen role="root"><userinput>make install &&
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| 141 | chmod -v 755 /usr/lib/libpython&python3-majorver;m.so &&
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| 142 | chmod -v 755 /usr/lib/libpython3.so</userinput></screen>
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| 143 |
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| 144 | <para>
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| 145 | If you have downloaded the preformatted documentation from
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| 146 | <ulink url="http://docs.python.org/download.html"/>, install it
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| 147 | as the <systemitem class="username">root</systemitem> user:
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| 148 | </para>
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| 149 |
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| 150 | <screen role="root"><userinput>install -v -dm755 /usr/share/doc/python-&python3-version;/html &&
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| 151 | tar --strip-components=1 \
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| 152 | --no-same-owner \
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| 153 | --no-same-permissions \
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| 154 | -C /usr/share/doc/python-&python3-version;/html \
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| 155 | -xvf ../python-&python3-version;-docs-html.tar.bz2</userinput></screen>
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| 156 |
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| 157 | <para>
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| 158 | The test suite must be run separately from the build, either before or
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| 159 | after the package is built and installed. Do not run
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| 160 | <command>make install</command>, after running the test suite. To build
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| 161 | and install the package, you need to start with a fresh or clean source
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| 162 | tree. For the test, you also need a clean source code, so either start by
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| 163 | removing the source code directory and starting over, by uncompressing
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| 164 | the source tarball or by running <command>make clean</command>. Then
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| 165 | configure again, adding <quote>--with-pydebug</quote> to the
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| 166 | <command>configure</command> switches above, run <command>make</command>,
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| 167 | then <command>make test</command>. Remember that tests must be executed
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| 168 | using an X terminal.
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| 169 | </para>
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| 170 |
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| 171 | </sect2>
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| 172 |
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| 173 | <sect2 role="commands">
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| 174 | <title>Command Explanations</title>
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| 175 |
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| 176 | <para>
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| 177 | <command> CXX="/usr/bin/g++" ./configure ...</command>: Avoid an annoying
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| 178 | message during configuration.
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| 179 | </para>
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| 180 |
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| 181 | <para>
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| 182 | <parameter>--with-system-expat</parameter>: This switch enables linking
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| 183 | against the system version of <application>Expat</application>.
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| 184 | </para>
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| 185 |
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| 186 | <para>
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| 187 | <parameter>--with-system-ffi</parameter>: This switch enables linking
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| 188 | against system version of <application>libffi</application>. Remove if
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| 189 | you have not installed <xref linkend="libffi"/>.
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| 190 | </para>
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| 191 |
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| 192 | <!--
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| 193 | <para>
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| 194 | <parameter>- -without-ensurepip</parameter>: This switch disables building
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| 195 | <command>pip</command> and <command>setuptools</command>
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| 196 | packaging programs.
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| 197 | </para>
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| 198 | -->
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| 199 |
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| 200 | <para>
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| 201 | <option>--with-dbmliborder=bdb:gdbm:ndbm</option>: Use this switch
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| 202 | if you want to build <application>Python</application> DBM Module
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| 203 | against <application>Berkeley DB</application> instead of
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| 204 | <application>GDBM</application>.
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| 205 | </para>
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| 206 |
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| 207 | <para>
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| 208 | <command>chmod ...</command>: Fix permissions for shared libraries to be
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| 209 | consistent with other libraries.
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| 210 | </para>
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| 211 |
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| 212 | </sect2>
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| 213 |
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| 214 | <sect2 role="configuration">
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| 215 | <title>Configuring Python 3</title>
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| 216 |
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| 217 | <para>
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| 218 | In order for <command>python3</command> to find the installed
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| 219 | documentation, create the following version independent symlink:
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| 220 | </para>
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| 221 |
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| 222 | <screen role="root"><userinput>ln -svfn python-&python3-version; /usr/share/doc/python-3</userinput></screen>
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| 223 |
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| 224 | <para>
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| 225 | and add the following environment variable to the individual user's or
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| 226 | system's profile:
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| 227 | </para>
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| 228 |
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| 229 | <screen role="root"><userinput>export PYTHONDOCS=/usr/share/doc/python-3/html</userinput></screen>
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| 230 |
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| 231 | </sect2>
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| 232 |
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| 233 | <sect2 role="content">
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| 234 | <title>Contents</title>
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| 235 |
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| 236 | <segmentedlist>
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| 237 | <segtitle>Installed Programs</segtitle>
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| 238 | <segtitle>Installed Libraries</segtitle>
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| 239 | <segtitle>Installed Directories</segtitle>
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| 240 |
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| 241 | <seglistitem>
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| 242 | <seg>
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| 243 | 2to3 (symlink),
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| 244 | 2to3-&python3-majorver;,
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| 245 |
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| 246 | pydoc3 (symlink),
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| 247 | pydoc&python3-majorver;,
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| 248 |
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| 249 | python3 (symlink);
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| 250 | python&python3-majorver; and python&python3-majorver;m (hardlinked);
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| 251 |
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| 252 | python3-config (symlink),
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| 253 | python&python3-majorver;-config (symlink),
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| 254 | python&python3-majorver;m-config,
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| 255 |
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| 256 | pyvenv (symlink),
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| 257 | pyvenv-&python3-majorver;,
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| 258 |
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| 259 | idle3 (symlink), and
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| 260 | idle&python3-majorver;
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| 261 | </seg>
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| 262 | <seg>
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| 263 | libpython&python3-majorver;m.so and libpython3.so
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| 264 | </seg>
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| 265 | <seg>
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| 266 | /usr/include/python&python3-majorver;m,
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| 267 | /usr/lib/python&python3-majorver;, and
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| 268 | /usr/share/doc/python-&python3-version;
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| 269 | </seg>
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| 270 | </seglistitem>
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| 271 | </segmentedlist>
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| 272 |
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| 273 | <variablelist>
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| 274 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 275 | <?dbfo list-presentation="list"?>
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| 276 | <?dbhtml list-presentation="table"?>
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| 277 |
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| 278 | <varlistentry id="idle3">
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| 279 | <term><command>idle3</command></term>
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| 280 | <listitem>
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| 281 | <para>
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| 282 | is a wrapper script that opens a <application>Python</application>
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| 283 | aware GUI editor. For this script to run, you must have installed
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| 284 | <application>Tk</application> before Python so that the Tkinter
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| 285 | Python module is built.
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| 286 | </para>
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| 287 | <indexterm zone="python3 idle3">
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| 288 | <primary sortas="b-idle3">idle3</primary>
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| 289 | </indexterm>
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| 290 | </listitem>
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| 291 | </varlistentry>
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| 292 |
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| 293 | <varlistentry id="pydoc3">
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| 294 | <term><command>pydoc3</command></term>
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| 295 | <listitem>
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| 296 | <para>
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| 297 | is the <application>Python</application> documentation
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| 298 | tool.
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| 299 | </para>
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| 300 | <indexterm zone="python3 pydoc3">
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| 301 | <primary sortas="b-pydoc3">pydo3c</primary>
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| 302 | </indexterm>
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| 303 | </listitem>
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| 304 | </varlistentry>
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| 305 |
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| 306 | <varlistentry id="python3-prog">
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| 307 | <term><command>python3</command></term>
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| 308 | <listitem>
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| 309 | <para>
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| 310 | is an interpreted, interactive, object-oriented programming
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| 311 | language.
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| 312 | </para>
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| 313 | <indexterm zone="python3 python3-prog">
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| 314 | <primary sortas="b-python3">python3</primary>
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| 315 | </indexterm>
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| 316 | </listitem>
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| 317 | </varlistentry>
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| 318 |
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| 319 | <varlistentry id="python-ver">
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| 320 | <term><command>python&python3-majorver;</command></term>
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| 321 | <listitem>
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| 322 | <para>
|
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| 323 | is a version-specific name for the <command>python</command>
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| 324 | program.
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| 325 | </para>
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| 326 | <indexterm zone="python3 python-ver">
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| 327 | <primary
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| 328 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
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| 329 | </indexterm>
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| 330 | </listitem>
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| 331 | </varlistentry>
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| 332 |
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| 333 | <varlistentry id="pyvenv">
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| 334 | <term><command>pyvenv</command></term>
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| 335 | <listitem>
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| 336 | <para>
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| 337 | creates virtual <application>Python</application> environments in
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| 338 | one or more target directories.
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| 339 | </para>
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| 340 | <indexterm zone="python3 pyvenv">
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| 341 | <primary
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| 342 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
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| 343 | </indexterm>
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| 344 | </listitem>
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| 345 | </varlistentry>
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| 346 |
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| 347 | </variablelist>
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| 348 |
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| 349 | </sect2>
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| 350 |
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| 351 | </sect1>
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