mirror of
https://github.com/Zeckmathederg/glfs.git
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4c77a94985
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@9604 af4574ff-66df-0310-9fd7-8a98e5e911e0
312 lines
10 KiB
XML
312 lines
10 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY python2-download-http
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"http://www.python.org/ftp/python/&python2-version;/Python-&python2-version;.tar.xz">
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<!ENTITY python2-download-ftp " ">
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<!-- <!ENTITY python2-download-ftp "&gentoo-ftp-repo;/Python-&python2-version;.tar.xz"> -->
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<!ENTITY python2-md5sum "75c87a80c6ddb0b785a57ea3583e04fa">
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<!ENTITY python2-size "9.5 MB">
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<!ENTITY python2-buildsize "235 MB (not including the test suite)">
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<!ENTITY python2-time "1 SBU (not including the test suite)">
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<!ENTITY python2htmldoc-download-http
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"http://docs.python.org/ftp/python/doc/&python2-version;/python-&python2-version;-docs-html.tar.bz2">
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<!ENTITY python2htmldoc-md5sum "40f0bd51b221662cae14fb0c6b6f622b">
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<!ENTITY python2htmldoc-size "4.1 MB">
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]>
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<sect1 id="python2" xreflabel="Python-&python2-version;">
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<?dbhtml filename="python2.html" ?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>Python-&python2-version;</title>
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<indexterm zone="python2">
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<primary sortas="a-Python2">Python</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to Python 2</title>
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<para>
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The <application>Python 2</application> package contains the
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<application>Python</application> development environment. This is useful
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for object-oriented programming, writing scripts, prototyping large
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programs or developing entire applications. This version is for backward
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compatibility with other dependent packages.
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</para>
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&lfs71_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&python2-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&python2-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &python2-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &python2-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &python2-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &python2-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<title>Optional HTML Documentation</title>
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<listitem>
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<para>
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Download (HTTP): <ulink url="&python2htmldoc-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &python2htmldoc-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &python2htmldoc-size;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Python Dependencies</bridgehead>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<!-- <xref linkend="pth"/> can only be used if you've overwritten glibc's
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libpthread. -->
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<xref linkend="libffi"/> and <xref linkend="pkgconfig"/>
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(<command>configure</command> uses <command>pkgconfig</command> to find
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<application>libffi</application>. There is a circular dependency here:
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<application>Pkgconfig</application> requires
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<application>Glib</application> which requires
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<application>Python 2</application>),
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<!-- gcc's libffi does not install a pkgconfig file -->
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<ulink url="http://sphinx.pocoo.org/">Sphinx</ulink> (to create the docs),
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<ulink url="http://www.bluez.org/">BlueZ</ulink>,
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<xref linkend="openssl"/>,
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<xref linkend="tk"/> (there is a circular dependency with the
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<application>Tk</application> package as it requires Xorg to be installed
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but parts of Xorg depend on <application>Python</application>),
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<xref linkend="db"/> and
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<xref linkend="sqlite"/>.
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</para>
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<para condition="html" role="usernotes">
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User Notes: <ulink url="&blfs-wiki;/Python"/>
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Python</title>
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<para>
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Install <application>Python</application> by running the following
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commands:
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</para>
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<screen><userinput>./configure --prefix=/usr --enable-shared &&
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make</userinput></screen>
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<para>
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To test the results, issue: <command>make test</command>.
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</para>
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<para>
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In order to use the <command>help ('name_string')</command> feature of the
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<command>python</command> interpreter with some statements and keywords,
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you must create or download the optional HTML documentation.
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</para>
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<para>
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If you have installed <ulink url="http://sphinx.pocoo.org/">Sphinx</ulink>
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and wish to create the HTML documentation:
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</para>
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<screen><userinput>make -C Doc html</userinput></screen>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install &&
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chmod -v 755 /usr/lib/libpython&python2-majorver;.so.1.0</userinput></screen>
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<para>
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If you created the html documentation with
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<application>Sphinx</application> then install it as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>install -v -m755 -d /usr/share/doc/Python-&python2-version; &&
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cp -rfv Doc/build/html/* /usr/share/doc/python-&python2-version;</userinput></screen>
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<para>
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Alternatively, you can download preformatted documentation from
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<ulink url="http://docs.python.org/download.html"/> and install it as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>install -v -m755 -d /usr/share/doc/Python-&python2-version; &&
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tar --strip-components=1 -C /usr/share/doc/Python-&python2-version; \
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-xvf ../python-&python2-version;-docs-html.tar.bz2</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>
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<option>--with-system-ffi</option>: If you have installed
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<application>Libffi</application> and
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<application>Pkgconfig</application>, add this option to compile
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<application>Python</application>'s _ctypes module using the system
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installed <application>Libffi</application>. Otherwise
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<application>Python</application> will compile its own copy of
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<application>Libffi</application>.
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</para>
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<para>
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<command>chmod ...</command>: Fix permissions for libraries to be
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consistent with other libraries.
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</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring Python 2</title>
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<para>
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In order for <command>python</command> to find the installed
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documentation, you must add the following environment variable to
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individual user's or the system's profile:
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</para>
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<screen role="root"><userinput>export PYTHONDOCS=/usr/share/doc/Python-&python2-version;</userinput></screen>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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pydoc, python, python-config, python&python2-majorver;,
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python&python2-majorver;-config, smtpd.py, and optionally if
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<application>Tk</application> is installed, idle
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</seg>
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<seg>
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libpython&python2-majorver;.so and numerous modules installed in
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/usr/lib/python&python2-majorver;/lib-dynload
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</seg>
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<seg>
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/usr/include/python&python2-majorver;,
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/usr/lib/python&python2-majorver;, and
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/usr/share/doc/python-&python2-version;</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="idle2">
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<term><command>idle</command></term>
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<listitem>
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<para>
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is a wrapper script that opens a <application>Python</application>
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aware GUI editor.
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</para>
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<indexterm zone="python2 idle2">
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<primary sortas="b-idle2">idle</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pydoc2">
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<term><command>pydoc</command></term>
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<listitem>
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<para>
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is the <application>Python</application> documentation tool.
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</para>
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<indexterm zone="python2 pydoc2">
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<primary sortas="b-pydoc2">pydoc</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="python">
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<term><command>python</command></term>
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<listitem>
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<para>
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is an interpreted, interactive, object-oriented programming
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language.
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</para>
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<indexterm zone="python2 python">
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<primary sortas="b-python2">python</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="python2-ver">
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<term><command>python&python2-majorver;</command></term>
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<listitem>
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<para>
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is a version-specific name for the <command>python</command>
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program.
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</para>
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<indexterm zone="python2 python2-ver">
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<primary sortas="b-python&python2-majorver;">python&python2-majorver;</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="smtpd.py2">
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<term><command>smtpd.py</command></term>
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<listitem>
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<para>
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is an SMTP proxy implemented in <application>Python</application>.
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</para>
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<indexterm zone="python2 smtpd.py2">
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<primary sortas="b-smtpd.py2">smtpd.py</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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