[52d29f7] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 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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[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[2cee003] | 7 | <!ENTITY python3-download-http
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[3f89ec5] | 8 | "https://www.python.org/ftp/python/&python3-version;/Python-&python3-version;.tar.xz">
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[355495ce] | 9 | <!ENTITY python3-download-ftp " ">
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[f5c5306] | 10 | <!ENTITY python3-md5sum "2c68846471994897278364fc18730dd9">
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[d373629] | 11 | <!ENTITY python3-size "16 MB">
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[f5c5306] | 12 | <!ENTITY python3-buildsize "345 MB (with docs; add 30 MB for the tests)">
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| 13 | <!ENTITY python3-time "1.1 SBU (add 3.4 SBU for tests)">
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[82fac2c] | 14 |
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[2cee003] | 15 | <!ENTITY python3htmldoc-download-http
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[c8b4decb] | 16 | "https://docs.python.org/ftp/python/doc/&python3-version;/python-&python3-version;-docs-html.tar.bz2">
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[52d29f7] | 17 | ]>
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| 18 |
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[b88be39] | 19 | <sect1 id="python3" xreflabel="Python-&python3-version;">
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| 20 | <?dbhtml filename="python3.html" ?>
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[83f69e5d] | 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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[b88be39] | 27 | <title>Python-&python3-version;</title>
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[83f69e5d] | 28 |
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[b88be39] | 29 | <indexterm zone="python3">
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[03d30cf] | 30 | <primary sortas="a-Python3">Python3</primary>
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[83f69e5d] | 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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[03d30cf] | 34 | <title>Introduction to Python 3</title>
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[83f69e5d] | 35 |
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[355495ce] | 36 | <para>
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[03d30cf] | 37 | The <application>Python 3</application> package contains the
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[355495ce] | 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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[48b816cb] | 42 |
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[60ddbaf] | 43 | <note><para><application>Python 3</application> was installed in LFS.
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| 44 | The only reason to rebuild it here is if optional modules
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| 45 | are needed.</para></note>
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| 46 |
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[4bf60a36] | 47 | &lfs81_checked;
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[48b816cb] | 48 |
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[83f69e5d] | 49 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 50 | <itemizedlist spacing="compact">
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| 51 | <listitem>
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[355495ce] | 52 | <para>
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| 53 | Download (HTTP): <ulink url="&python3-download-http;"/>
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| 54 | </para>
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[83f69e5d] | 55 | </listitem>
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| 56 | <listitem>
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[355495ce] | 57 | <para>
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| 58 | Download (FTP): <ulink url="&python3-download-ftp;"/>
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| 59 | </para>
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[83f69e5d] | 60 | </listitem>
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| 61 | <listitem>
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[355495ce] | 62 | <para>
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| 63 | Download MD5 sum: &python3-md5sum;
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| 64 | </para>
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[83f69e5d] | 65 | </listitem>
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| 66 | <listitem>
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[355495ce] | 67 | <para>
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| 68 | Download size: &python3-size;
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| 69 | </para>
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[83f69e5d] | 70 | </listitem>
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| 71 | <listitem>
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[355495ce] | 72 | <para>
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| 73 | Estimated disk space required: &python3-buildsize;
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| 74 | </para>
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[83f69e5d] | 75 | </listitem>
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| 76 | <listitem>
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[355495ce] | 77 | <para>
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| 78 | Estimated build time: &python3-time;
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| 79 | </para>
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[83f69e5d] | 80 | </listitem>
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| 81 | </itemizedlist>
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| 82 |
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| 83 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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[355495ce] | 84 | <itemizedlist spacing="compact">
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[3a94882] | 85 | <title>Optional HTML Documentation</title>
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[1970f00] | 86 | <listitem>
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[355495ce] | 87 | <para>
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| 88 | Download (HTTP): <ulink url="&python3htmldoc-download-http;"/>
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| 89 | </para>
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[3a94882] | 90 | </listitem>
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[1970f00] | 91 | </itemizedlist>
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| 92 |
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[03d30cf] | 93 | <bridgehead renderas="sect3">Python 3 Dependencies</bridgehead>
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[60ddbaf] | 94 | <!--
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[355495ce] | 95 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 96 | <para role="recommended">
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[adf6dd9a] | 97 | <xref linkend="libffi"/>
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[355495ce] | 98 | </para>
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[60ddbaf] | 99 | -->
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[83f69e5d] | 100 | <bridgehead renderas="sect4">Optional</bridgehead>
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[355495ce] | 101 | <para role="optional">
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[7fe0ce3b] | 102 | <xref linkend="bluez"/>,
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[9be7202] | 103 | <xref linkend="gdb"/> (required for some tests), and
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| 104 | <xref linkend="valgrind"/>
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[355495ce] | 105 | </para>
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| 106 |
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| 107 | <bridgehead renderas="sect4">Optional (For Additional Modules)</bridgehead>
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| 108 | <para role="optional">
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[82fac2c] | 109 | <xref linkend="db"/>,
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[355495ce] | 110 | <xref linkend="openssl"/>,
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| 111 | <xref linkend="sqlite"/> and
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| 112 | <xref linkend="tk"/>
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| 113 | </para>
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[ce33273] | 114 |
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[1039de3] | 115 | <para condition="html" role="usernotes">User Notes:
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[355495ce] | 116 | <ulink url="&blfs-wiki;/Python3"/>
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| 117 | </para>
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[83f69e5d] | 118 | </sect2>
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| 119 |
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| 120 | <sect2 role="installation">
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[03d30cf] | 121 | <title>Installation of Python 3</title>
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[83f69e5d] | 122 |
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[355495ce] | 123 | <para>
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[03d30cf] | 124 | Install <application>Python 3</application> by running the following
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[355495ce] | 125 | commands:
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| 126 | </para>
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[83f69e5d] | 127 |
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[fd69a62] | 128 | <screen><userinput>CXX="/usr/bin/g++" \
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| 129 | ./configure --prefix=/usr \
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[c525bd1] | 130 | --enable-shared \
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[355495ce] | 131 | --with-system-expat \
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[fd69a62] | 132 | --with-system-ffi \
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[879932f] | 133 | --with-ensurepip=yes &&
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[83f69e5d] | 134 | make</userinput></screen>
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| 135 |
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[355495ce] | 136 | <para>
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[7fe0ce3b] | 137 | The test suite must be run separately, using an X terminal (see below).
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[355495ce] | 138 | </para>
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| 139 |
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| 140 | <para>
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| 141 | Now, as the <systemitem class="username">root</systemitem> user:
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| 142 | </para>
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| 143 |
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[82fac2c] | 144 | <screen role="root"><userinput>make install &&
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[c525bd1] | 145 | chmod -v 755 /usr/lib/libpython&python3-majorver;m.so &&
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[355495ce] | 146 | chmod -v 755 /usr/lib/libpython3.so</userinput></screen>
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| 147 |
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| 148 | <para>
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[03d30cf] | 149 | If you have downloaded the preformatted documentation from
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| 150 | <ulink url="http://docs.python.org/download.html"/>, install it
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| 151 | as the <systemitem class="username">root</systemitem> user:
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[355495ce] | 152 | </para>
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[1970f00] | 153 |
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[23d3543c] | 154 | <screen role="root"><userinput>install -v -dm755 /usr/share/doc/python-&python3-version;/html &&
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[1970f00] | 155 | tar --strip-components=1 \
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[cff8f9e] | 156 | --no-same-owner \
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| 157 | --no-same-permissions \
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[03d30cf] | 158 | -C /usr/share/doc/python-&python3-version;/html \
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[716ca8aa] | 159 | -xvf ../python-&python3-version;-docs-html.tar.bz2</userinput></screen>
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[1970f00] | 160 |
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[7fe0ce3b] | 161 | <para>
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| 162 | The test suite must be run separately from the build, either before or
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[7745345d] | 163 | after the package is built and installed. Do not run
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| 164 | <command>make install</command>, after running the test suite. To build
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| 165 | and install the package, you need to start with a fresh or clean source
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| 166 | tree. For the test, you also need a clean source code, so either start by
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| 167 | removing the source code directory and starting over, by uncompressing
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| 168 | the source tarball or by running <command>make clean</command>. Then
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| 169 | configure again, adding <quote>--with-pydebug</quote> to the
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| 170 | <command>configure</command> switches above, run <command>make</command>,
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[d7d743f0] | 171 | then <command>make test</command>. Remember that tests must be executed
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[f5c5306] | 172 | using an X terminal. One test fails. The test SBU highly depends on the
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| 173 | speed of the internet connexion.
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[7fe0ce3b] | 174 | </para>
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| 175 |
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[879d269] | 176 | </sect2>
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| 177 |
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| 178 | <sect2 role="commands">
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| 179 | <title>Command Explanations</title>
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| 180 |
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[fd69a62] | 181 | <para>
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| 182 | <command> CXX="/usr/bin/g++" ./configure ...</command>: Avoid an annoying
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| 183 | message during configuration.
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| 184 | </para>
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| 185 |
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[355495ce] | 186 | <para>
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[f1d7196] | 187 | <parameter>--with-system-expat</parameter>: This switch enables linking
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| 188 | against the system version of <application>Expat</application>.
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[355495ce] | 189 | </para>
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| 190 |
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| 191 | <para>
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[f1d7196] | 192 | <parameter>--with-system-ffi</parameter>: This switch enables linking
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[60ddbaf] | 193 | against system version of <application>libffi</application>.
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[82fac2c] | 194 | </para>
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[fd69a62] | 195 |
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| 196 | <para>
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[23c5563] | 197 | <parameter>--with-ensurepip=yes</parameter> : This switch enables building
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| 198 | <command>pip</command> and <command>setuptools</command> packaging programs.
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| 199 | <command>setuptools</command> is needed for building some Python modules.
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[fd69a62] | 200 | </para>
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[82fac2c] | 201 |
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[f1d7196] | 202 | <para>
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| 203 | <option>--with-dbmliborder=bdb:gdbm:ndbm</option>: Use this switch
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| 204 | if you want to build <application>Python</application> DBM Module
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| 205 | against <application>Berkeley DB</application> instead of
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| 206 | <application>GDBM</application>.
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| 207 | </para>
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| 208 |
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[355495ce] | 209 | <para>
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[0d7900a] | 210 | <command>chmod ...</command>: Fix permissions for shared libraries to be
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[355495ce] | 211 | consistent with other libraries.
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| 212 | </para>
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[7224506] | 213 |
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[879d269] | 214 | </sect2>
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| 215 |
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| 216 | <sect2 role="configuration">
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[03d30cf] | 217 | <title>Configuring Python 3</title>
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[879d269] | 218 |
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[355495ce] | 219 | <para>
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[03d30cf] | 220 | In order for <command>python3</command> to find the installed
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[d7015e7] | 221 | documentation, create the following version independent symlink:
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[355495ce] | 222 | </para>
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[1970f00] | 223 |
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[d7015e7] | 224 | <screen role="root"><userinput>ln -svfn python-&python3-version; /usr/share/doc/python-3</userinput></screen>
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| 225 |
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| 226 | <para>
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| 227 | and add the following environment variable to the individual user's or
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| 228 | system's profile:
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| 229 | </para>
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| 230 |
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| 231 | <screen role="root"><userinput>export PYTHONDOCS=/usr/share/doc/python-3/html</userinput></screen>
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[83f69e5d] | 232 |
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| 233 | </sect2>
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| 234 |
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| 235 | <sect2 role="content">
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| 236 | <title>Contents</title>
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| 237 |
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| 238 | <segmentedlist>
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| 239 | <segtitle>Installed Programs</segtitle>
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| 240 | <segtitle>Installed Libraries</segtitle>
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| 241 | <segtitle>Installed Directories</segtitle>
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| 242 |
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| 243 | <seglistitem>
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[355495ce] | 244 | <seg>
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[7fe0ce3b] | 245 | 2to3 (symlink),
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[355495ce] | 246 | 2to3-&python3-majorver;,
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| 247 |
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[f5c5306] | 248 | idle3 (symlink), and
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| 249 | idle&python3-majorver;
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| 250 |
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[7fe0ce3b] | 251 | pydoc3 (symlink),
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[355495ce] | 252 | pydoc&python3-majorver;,
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| 253 |
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[7fe0ce3b] | 254 | python3 (symlink);
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| 255 | python&python3-majorver; and python&python3-majorver;m (hardlinked);
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[355495ce] | 256 |
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[7fe0ce3b] | 257 | python3-config (symlink),
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| 258 | python&python3-majorver;-config (symlink),
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[c525bd1] | 259 | python&python3-majorver;m-config,
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[355495ce] | 260 |
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[7fe0ce3b] | 261 | pyvenv (symlink),
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[41d241e] | 262 | pyvenv-&python3-majorver;,
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[355495ce] | 263 | </seg>
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| 264 | <seg>
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[47f0aa1] | 265 | libpython&python3-majorver;m.so and libpython3.so
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[355495ce] | 266 | </seg>
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| 267 | <seg>
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[c525bd1] | 268 | /usr/include/python&python3-majorver;m,
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[355495ce] | 269 | /usr/lib/python&python3-majorver;, and
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| 270 | /usr/share/doc/python-&python3-version;
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| 271 | </seg>
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[83f69e5d] | 272 | </seglistitem>
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| 273 | </segmentedlist>
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| 274 |
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| 275 | <variablelist>
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| 276 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 277 | <?dbfo list-presentation="list"?>
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| 278 | <?dbhtml list-presentation="table"?>
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| 279 |
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[355495ce] | 280 | <varlistentry id="idle3">
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| 281 | <term><command>idle3</command></term>
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[83f69e5d] | 282 | <listitem>
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[355495ce] | 283 | <para>
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[d0aecd33] | 284 | is a wrapper script that opens a <application>Python</application>
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| 285 | aware GUI editor. For this script to run, you must have installed
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| 286 | <application>Tk</application> before Python so that the Tkinter
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| 287 | Python module is built.
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[355495ce] | 288 | </para>
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| 289 | <indexterm zone="python3 idle3">
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| 290 | <primary sortas="b-idle3">idle3</primary>
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[83f69e5d] | 291 | </indexterm>
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| 292 | </listitem>
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| 293 | </varlistentry>
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| 294 |
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[355495ce] | 295 | <varlistentry id="pydoc3">
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| 296 | <term><command>pydoc3</command></term>
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[83f69e5d] | 297 | <listitem>
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[355495ce] | 298 | <para>
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| 299 | is the <application>Python</application> documentation
|
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| 300 | tool.
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| 301 | </para>
|
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| 302 | <indexterm zone="python3 pydoc3">
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| 303 | <primary sortas="b-pydoc3">pydo3c</primary>
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[83f69e5d] | 304 | </indexterm>
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| 305 | </listitem>
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| 306 | </varlistentry>
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| 307 |
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[b88be39] | 308 | <varlistentry id="python3-prog">
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[2cee003] | 309 | <term><command>python3</command></term>
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[83f69e5d] | 310 | <listitem>
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[355495ce] | 311 | <para>
|
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| 312 | is an interpreted, interactive, object-oriented programming
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| 313 | language.
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| 314 | </para>
|
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[b88be39] | 315 | <indexterm zone="python3 python3-prog">
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| 316 | <primary sortas="b-python3">python3</primary>
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[83f69e5d] | 317 | </indexterm>
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| 318 | </listitem>
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| 319 | </varlistentry>
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| 320 |
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[f67f5387] | 321 | <varlistentry id="python-ver">
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[b88be39] | 322 | <term><command>python&python3-majorver;</command></term>
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[83f69e5d] | 323 | <listitem>
|
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[355495ce] | 324 | <para>
|
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| 325 | is a version-specific name for the <command>python</command>
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| 326 | program.
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| 327 | </para>
|
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[b88be39] | 328 | <indexterm zone="python3 python-ver">
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[2cee003] | 329 | <primary
|
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| 330 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
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[83f69e5d] | 331 | </indexterm>
|
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| 332 | </listitem>
|
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| 333 | </varlistentry>
|
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| 334 |
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[21e8edc] | 335 | <varlistentry id="pyvenv">
|
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| 336 | <term><command>pyvenv</command></term>
|
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| 337 | <listitem>
|
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| 338 | <para>
|
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| 339 | creates virtual <application>Python</application> environments in
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| 340 | one or more target directories.
|
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| 341 | </para>
|
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| 342 | <indexterm zone="python3 pyvenv">
|
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| 343 | <primary
|
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| 344 | sortas="b-python&python3-majorver;">python&python3-majorver;</primary>
|
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| 345 | </indexterm>
|
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| 346 | </listitem>
|
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| 347 | </varlistentry>
|
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| 348 |
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[83f69e5d] | 349 | </variablelist>
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| 350 |
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| 351 | </sect2>
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[f45b1953] | 352 |
|
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| 353 | </sect1>
|
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