[bf847d6d] | 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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[181662f] | 7 | <!ENTITY python2-download-http
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[549e65f] | 8 | "https://www.python.org/ftp/python/&python2-version;/Python-&python2-version;.tar.xz">
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[27d9434] | 9 | <!ENTITY python2-download-ftp " ">
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[fabeff7] | 10 | <!ENTITY python2-md5sum "1f6db41ad91d9eb0a6f0c769b8613c5b">
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[549e65f] | 11 | <!ENTITY python2-size "12 MB">
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[fabeff7] | 12 | <!ENTITY python2-buildsize "127 MB (additional 18 MB for tests)">
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| 13 | <!ENTITY python2-time "0.9 SBU (additional 4.3 SBU for tests)">
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[82fac2c] | 14 |
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[181662f] | 15 | <!ENTITY python2htmldoc-download-http
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[c8b4decb] | 16 | "https://docs.python.org/ftp/python/doc/&python2-version;/python-&python2-version;-docs-html.tar.bz2">
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[bf847d6d] | 17 | ]>
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| 18 |
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[4716d52] | 19 | <sect1 id="python2" xreflabel="Python-&python2-version;">
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[bf847d6d] | 20 | <?dbhtml filename="python2.html" ?>
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| 21 |
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| 22 | <sect1info>
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[4949485e] | 23 | <othername>$LastChangedBy$</othername>
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| 24 | <date>$Date$</date>
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[bf847d6d] | 25 | </sect1info>
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| 26 |
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| 27 | <title>Python-&python2-version;</title>
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| 28 |
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[4716d52] | 29 | <indexterm zone="python2">
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[82fac2c] | 30 | <primary sortas="a-Python2">Python2</primary>
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[bf847d6d] | 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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| 34 | <title>Introduction to Python 2</title>
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| 35 |
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[181662f] | 36 | <para>
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| 37 | The <application>Python 2</application> package contains the
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[82fac2c] | 38 | <application>Python</application> development environment. It is useful
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[181662f] | 39 | for object-oriented programming, writing scripts, prototyping large
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| 40 | programs or developing entire applications. This version is for backward
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| 41 | compatibility with other dependent packages.
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| 42 | </para>
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[bf847d6d] | 43 |
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[4bf60a36] | 44 | &lfs81_checked;
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[bf847d6d] | 45 |
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| 46 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 47 | <itemizedlist spacing="compact">
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| 48 | <listitem>
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[181662f] | 49 | <para>
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| 50 | Download (HTTP): <ulink url="&python2-download-http;"/>
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| 51 | </para>
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[bf847d6d] | 52 | </listitem>
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| 53 | <listitem>
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[181662f] | 54 | <para>
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| 55 | Download (FTP): <ulink url="&python2-download-ftp;"/>
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| 56 | </para>
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[bf847d6d] | 57 | </listitem>
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| 58 | <listitem>
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[181662f] | 59 | <para>
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| 60 | Download MD5 sum: &python2-md5sum;
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| 61 | </para>
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[bf847d6d] | 62 | </listitem>
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| 63 | <listitem>
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[181662f] | 64 | <para>
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| 65 | Download size: &python2-size;
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| 66 | </para>
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[bf847d6d] | 67 | </listitem>
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| 68 | <listitem>
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[181662f] | 69 | <para>
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| 70 | Estimated disk space required: &python2-buildsize;
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| 71 | </para>
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[bf847d6d] | 72 | </listitem>
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| 73 | <listitem>
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[181662f] | 74 | <para>
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| 75 | Estimated build time: &python2-time;
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| 76 | </para>
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[bf847d6d] | 77 | </listitem>
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| 78 | </itemizedlist>
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| 79 |
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[54ae6b8] | 80 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 81 |
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[5d11f8f] | 82 | <itemizedlist spacing="compact">
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| 83 | <title>Optional HTML Documentation</title>
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[bf847d6d] | 84 | <listitem>
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[181662f] | 85 | <para>
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[5d11f8f] | 86 | Download (HTTP): <ulink url="&python2htmldoc-download-http;"/>
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[181662f] | 87 | </para>
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[bf847d6d] | 88 | </listitem>
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[fb990982] | 89 | </itemizedlist>
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| 90 |
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[03d30cf] | 91 | <bridgehead renderas="sect3">Python 2 Dependencies</bridgehead>
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[bf847d6d] | 92 |
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[82fac2c] | 93 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 94 | <para role="recommended">
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[adf6dd9a] | 95 | <xref linkend="libffi"/>
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[82fac2c] | 96 | </para>
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| 97 |
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[bf847d6d] | 98 | <bridgehead renderas="sect4">Optional</bridgehead>
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[181662f] | 99 | <para role="optional">
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[9be7202] | 100 | <xref linkend="bluez"/> and
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| 101 | <xref linkend="valgrind"/>
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[82fac2c] | 102 | </para>
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| 103 |
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| 104 | <bridgehead renderas="sect4">Optional (For Additional Modules)</bridgehead>
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| 105 | <para role="optional">
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[181662f] | 106 | <xref linkend="openssl"/>,
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[82fac2c] | 107 | <xref linkend="sqlite"/> and
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| 108 | <xref linkend="tk"/>
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[181662f] | 109 | </para>
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| 110 |
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[5be3a74] | 111 | <note>
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| 112 | <para>
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[13507eb] | 113 | <!-- new for ff31. Any reasonable version of openssl will do,
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| 114 | even old maintained versions, so do not xref openssl here -->
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[b9f61df] | 115 | If you are building <xref linkend="thunderbird"/> or
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[f3429309] | 116 | <xref linkend="firefox"/>
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[80454f5] | 117 | you must install <application>openssl</application> before you build
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[5be3a74] | 118 | <application>Python 2</application>.
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| 119 | </para>
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| 120 | </note>
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| 121 |
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[181662f] | 122 | <para condition="html" role="usernotes">
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| 123 | User Notes: <ulink url="&blfs-wiki;/Python"/>
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| 124 | </para>
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[bf847d6d] | 125 | </sect2>
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| 126 |
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| 127 | <sect2 role="installation">
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[03d30cf] | 128 | <title>Installation of Python 2</title>
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[bf847d6d] | 129 |
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[181662f] | 130 | <para>
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[03d30cf] | 131 | Install <application>Python 2</application> by running the following
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[181662f] | 132 | commands:
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| 133 | </para>
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[bf847d6d] | 134 |
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[167a240] | 135 | <screen><userinput>./configure --prefix=/usr \
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[82fac2c] | 136 | --enable-shared \
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| 137 | --with-system-expat \
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| 138 | --with-system-ffi \
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[879932f] | 139 | --with-ensurepip=yes \
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[82fac2c] | 140 | --enable-unicode=ucs4 &&
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[bf847d6d] | 141 | make</userinput></screen>
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| 142 |
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[167a240] | 143 | <para>
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[1a64240] | 144 | To test the results, issue: <command>make -k test</command>.
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| 145 | One test fails for unknown reasons.
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[181662f] | 146 | </para>
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[bf847d6d] | 147 |
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[181662f] | 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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[bf847d6d] | 151 |
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[7224506] | 152 | <screen role="root"><userinput>make install &&
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| 153 | chmod -v 755 /usr/lib/libpython&python2-majorver;.so.1.0</userinput></screen>
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[bf847d6d] | 154 |
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[181662f] | 155 | <para>
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[7fe0ce3b] | 156 | Since <application>Python 2</application> is in maintenance mode, and
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| 157 | <application>Python 3</application> is recommended by upstream for
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[8b9b43e] | 158 | development, you probably do not need to install the documentation.
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[7fe0ce3b] | 159 | However, if you still want to install documentation for both
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[8b9b43e] | 160 | <application>Python</application> versions, be sure to define the
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| 161 | <envar>PYTHONDOCS</envar>
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[7fe0ce3b] | 162 | variable for the version you want to use, each time you need to consult
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| 163 | the documentation. If you have downloaded the preformatted documentation
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| 164 | from <ulink url="http://docs.python.org/download.html"/>, install it
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[03d30cf] | 165 | as the <systemitem class="username">root</systemitem> user:
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[181662f] | 166 | </para>
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| 167 |
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[23d3543c] | 168 | <screen role="root"><userinput>install -v -dm755 /usr/share/doc/python-&python2-version; &&
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[7b273030] | 169 |
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| 170 | tar --strip-components=1 \
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| 171 | --no-same-owner \
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| 172 | --directory /usr/share/doc/python-&python2-version; \
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| 173 | -xvf ../python-&python2-version;-docs-html.tar.bz2 &&
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| 174 |
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[03d30cf] | 175 | find /usr/share/doc/python-&python2-version; -type d -exec chmod 0755 {} \; &&
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| 176 | find /usr/share/doc/python-&python2-version; -type f -exec chmod 0644 {} \;</userinput></screen>
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[bf847d6d] | 177 | </sect2>
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| 178 |
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| 179 | <sect2 role="commands">
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| 180 | <title>Command Explanations</title>
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| 181 |
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[82fac2c] | 182 | <para>
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[00ff1df] | 183 | <parameter>--with-system-expat</parameter>: This switch enables linking
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| 184 | against system version of <application>Expat</application>.
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[82fac2c] | 185 | </para>
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| 186 |
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| 187 | <para>
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[00ff1df] | 188 | <parameter>--with-system-ffi</parameter>: This switch enables linking
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| 189 | against system version of <application>libffi</application>. Remove if
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| 190 | you have not installed <xref linkend="libffi"/>.
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[82fac2c] | 191 | </para>
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| 192 |
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[23c5563] | 193 | <para>
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| 194 | <parameter>--with-ensurepip=yes</parameter> : This switch enables building
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| 195 | <command>pip</command> and <command>setuptools</command> packaging programs.
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| 196 | <command>setuptools</command> is needed for building some Python modules.
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| 197 | </para>
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| 198 |
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[82fac2c] | 199 | <para>
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| 200 | <parameter>--enable-unicode=ucs4</parameter>: This switch enables
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| 201 | 32bit Unicode support in <application>Python</application>.
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| 202 | </para>
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| 203 |
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| 204 | <para>
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[00ff1df] | 205 | <option>--with-dbmliborder=bdb:gdbm:ndbm</option>: Use this switch
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[0d7900a] | 206 | if you want to build <application>Python</application> DBM Module
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[82fac2c] | 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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[181662f] | 211 | <para>
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[0d7900a] | 212 | <command>chmod ...</command>: Fix permissions for libraries to be
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[181662f] | 213 | consistent with other libraries.
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| 214 | </para>
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[82fac2c] | 215 |
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[bf847d6d] | 216 | </sect2>
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| 217 |
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| 218 | <sect2 role="configuration">
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| 219 | <title>Configuring Python 2</title>
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| 220 |
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[181662f] | 221 | <para>
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| 222 | In order for <command>python</command> to find the installed
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| 223 | documentation, you must add the following environment variable to
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| 224 | individual user's or the system's profile:
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| 225 | </para>
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[bf847d6d] | 226 |
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[03d30cf] | 227 | <screen role="root"><userinput>export PYTHONDOCS=/usr/share/doc/python-&python2-version;</userinput></screen>
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[82fac2c] | 228 |
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[bf847d6d] | 229 | </sect2>
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| 230 |
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| 231 | <sect2 role="content">
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| 232 | <title>Contents</title>
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| 233 |
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| 234 | <segmentedlist>
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| 235 | <segtitle>Installed Programs</segtitle>
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[03d30cf] | 236 | <segtitle>Installed Library</segtitle>
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[bf847d6d] | 237 | <segtitle>Installed Directories</segtitle>
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| 238 |
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| 239 | <seglistitem>
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[181662f] | 240 | <seg>
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[167a240] | 241 | 2to3, pydoc, python (symlink), python-config (symlink),
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| 242 | python2 (symlink), python2-config (symlink),
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[03d30cf] | 243 | python&python2-majorver;, python&python2-majorver;-config,
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[d0aecd33] | 244 | smtpd.py, and idle
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[181662f] | 245 | </seg>
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| 246 | <seg>
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[03d30cf] | 247 | libpython&python2-majorver;.so
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[181662f] | 248 | </seg>
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| 249 | <seg>
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[fcabde3c] | 250 | /usr/{include,lib}/python&python2-majorver; and
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| 251 | /usr/share/doc/python-&python2-version;
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| 252 | </seg>
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[bf847d6d] | 253 | </seglistitem>
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| 254 | </segmentedlist>
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| 255 |
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| 256 | <variablelist>
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| 257 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 258 | <?dbfo list-presentation="list"?>
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| 259 | <?dbhtml list-presentation="table"?>
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| 260 |
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[62f9a8e] | 261 | <varlistentry id="python2-2to3">
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| 262 | <term><command>2to3</command></term>
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| 263 | <listitem>
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| 264 | <para>
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| 265 | is a <application>Python</application> program that reads
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[00ff1df] | 266 | <application>Python 2.x</application> source code and applies a
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| 267 | series of fixes to transform it into valid
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| 268 | <application>Python 3.x</application> code.
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[62f9a8e] | 269 | </para>
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| 270 | <indexterm zone="python2 python2-2to3">
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| 271 | <primary sortas="b-2to3">2to3</primary>
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| 272 | </indexterm>
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| 273 | </listitem>
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| 274 | </varlistentry>
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| 275 |
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[03d30cf] | 276 | <varlistentry id="idle">
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[bf847d6d] | 277 | <term><command>idle</command></term>
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| 278 | <listitem>
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[181662f] | 279 | <para>
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| 280 | is a wrapper script that opens a <application>Python</application>
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[d0aecd33] | 281 | aware GUI editor. For this script to run, you must have installed
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| 282 | <application>Tk</application> before Python so that the Tkinter
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| 283 | Python module is built.
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[181662f] | 284 | </para>
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[03d30cf] | 285 | <indexterm zone="python2 idle">
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| 286 | <primary sortas="b-idle">idle</primary>
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[bf847d6d] | 287 | </indexterm>
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| 288 | </listitem>
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| 289 | </varlistentry>
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| 290 |
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| 291 | <varlistentry id="pydoc2">
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| 292 | <term><command>pydoc</command></term>
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| 293 | <listitem>
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[181662f] | 294 | <para>
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| 295 | is the <application>Python</application> documentation tool.
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| 296 | </para>
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[4716d52] | 297 | <indexterm zone="python2 pydoc2">
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[bf847d6d] | 298 | <primary sortas="b-pydoc2">pydoc</primary>
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| 299 | </indexterm>
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| 300 | </listitem>
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| 301 | </varlistentry>
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| 302 |
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[181662f] | 303 | <varlistentry id="python">
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[bf847d6d] | 304 | <term><command>python</command></term>
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| 305 | <listitem>
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[181662f] | 306 | <para>
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| 307 | is an interpreted, interactive, object-oriented programming
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| 308 | language.
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| 309 | </para>
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| 310 | <indexterm zone="python2 python">
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[4716d52] | 311 | <primary sortas="b-python2">python</primary>
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[bf847d6d] | 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | <varlistentry id="python2-ver">
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| 317 | <term><command>python&python2-majorver;</command></term>
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| 318 | <listitem>
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[181662f] | 319 | <para>
|
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| 320 | is a version-specific name for the <command>python</command>
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| 321 | program.
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| 322 | </para>
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[4716d52] | 323 | <indexterm zone="python2 python2-ver">
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[b88be39] | 324 | <primary sortas="b-python&python2-majorver;">python&python2-majorver;</primary>
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[bf847d6d] | 325 | </indexterm>
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| 326 | </listitem>
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| 327 | </varlistentry>
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| 328 |
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[03d30cf] | 329 | <varlistentry id="smtpd.py">
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[bf847d6d] | 330 | <term><command>smtpd.py</command></term>
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| 331 | <listitem>
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[181662f] | 332 | <para>
|
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| 333 | is an SMTP proxy implemented in <application>Python</application>.
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| 334 | </para>
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[03d30cf] | 335 | <indexterm zone="python2 smtpd.py">
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| 336 | <primary sortas="b-smtpd.py">smtpd.py</primary>
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[bf847d6d] | 337 | </indexterm>
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| 338 | </listitem>
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| 339 | </varlistentry>
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[82fac2c] | 340 |
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[bf847d6d] | 341 | </variablelist>
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[82fac2c] | 342 |
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[bf847d6d] | 343 | </sect2>
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[82fac2c] | 344 |
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[bf847d6d] | 345 | </sect1>
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