source: general/prog/python-dependencies/pytz.xml@ b50114c

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../../general.ent">
  %general-entities;

  <!ENTITY pytz-download-http "https://github.com/stub42/pytz/archive/refs/tags/release_&pytz-version;/pytz-&pytz-version;.tar.gz">
  <!ENTITY pytz-download-ftp  " ">
  <!ENTITY pytz-md5sum        "855307f8455430a3375946970a2177cc">
  <!ENTITY pytz-size          "606 KB">
  <!ENTITY pytz-buildsize     "2.6 MB">
  <!ENTITY pytz-time          "less than 0.1 SBU">
]>

  <sect2 id="pytz" xreflabel="pytz-&pytz-version;">

    <title>Pytz-&pytz-version;</title>

    <indexterm zone="pytz">
      <primary sortas="a-pytz">pytz</primary>
    </indexterm>

    <sect3 role="package">
      <title>Introduction to Pytz Module</title>

      <para>
        The <application>Pytz</application> library brings the IANA tz database
        into Python. It allows acuurate and cross-platform timezone
        calculations.
      </para>

      &lfs112_checked;

      <bridgehead renderas="sect4">Package Information</bridgehead>
      <itemizedlist spacing="compact">
        <listitem>
          <para>
            Download (HTTP): <ulink url="&pytz-download-http;"/>
          </para>
        </listitem>
        <listitem>
          <para>
            Download (FTP): <ulink url="&pytz-download-ftp;"/>
          </para>
        </listitem>
        <listitem>
          <para>
            Download MD5 sum: &pytz-md5sum;
          </para>
        </listitem>
        <listitem>
          <para>
            Download size: &pytz-size;
          </para>
        </listitem>
        <listitem>
          <para>
            Estimated disk space required: &pytz-buildsize;
          </para>
        </listitem>
        <listitem>
          <para>
            Estimated build time: &pytz-time;
          </para>
        </listitem>
      </itemizedlist>

      <bridgehead renderas="sect4">Pytz dependencies</bridgehead>

      <bridgehead renderas="sect5">Recommended</bridgehead>
      <para role="recommended">
        <xref linkend="rsync"/> (used in the build instructions)
      </para>

    </sect3>

    <sect3 role="installation">
      <title>Installation of Pytz</title>

      <para>
        Before building the python wheel, the timezone database has to
        be compiled:
      </para>

<screen><userinput>make -C tz               \
     ZFLAGS='-b fat'     \
     PACKRATDATA=        \
     TOPDIR=$(pwd)/build \
     USRDIR=             \
     USRSHAREDIR=etc     \
     install             &amp;&amp;

for d in zoneinfo zoneinfo-leaps zoneinfo-posix; do       \
    rsync -a $(pwd)/build/etc/$d/ $(pwd)/build/etc/$d.tmp &amp;&amp;
    rm -rf $(pwd)/build/etc/$d                            &amp;&amp;
    mv $(pwd)/build/etc/$d.tmp $(pwd)/build/etc/$d
done &amp;&amp;

python3 gen_tzinfo.py &amp;&amp;
cp -a build/etc/zoneinfo build/dist/pytz/zoneinfo</userinput></screen>
    
      <para>
        Build the module:
      </para>

<screen><userinput>cd build/dist &amp;&amp;
pip3 wheel -w dist --no-build-isolation --no-deps $PWD</userinput></screen>

      <para>
        This package does not come with a test suite.
      </para>

      <para>
        Now, as the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>pip3 install --no-index --find-links dist --no-cache-dir --no-user pytz</userinput></screen>

    </sect3>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
      href="../../../xincludes/pip3-cmd-explain.xml"/>

    <sect3 role="content">
      <title>Contents</title>

      <segmentedlist>
        <segtitle>Installed Programs</segtitle>
        <segtitle>Installed Libraries</segtitle>
        <segtitle>Installed Directories</segtitle>

        <seglistitem>
          <seg>None</seg>
          <seg>None</seg>
          <seg>
            /usr/lib/python&python3-majorver;/site-packages/pytz and
            /usr/lib/python&python3-majorver;/site-packages/pytz-&pytz-version;.dist-info
          </seg>
        </seglistitem>
      </segmentedlist>

    </sect3>

  </sect2>