source: general/prog/python-modules/numpy.xml@ 08c67d6

<?xml version="1.0" encoding="UTF-8"?>
<!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 numpy-download-http "https://files.pythonhosted.org/packages/source/n/numpy/numpy-&numpy-version;.tar.gz">
  <!ENTITY numpy-download-ftp  " ">
  <!ENTITY numpy-md5sum        "&numpy-md5sum;">
  <!ENTITY numpy-size          "17 MB">
  <!ENTITY numpy-buildsize     "101 MB (add 48 MB for tests)">
  <!ENTITY numpy-time          "0.6 SBU (add 1.1 SBU for tests)">
]>

  <sect2 id="numpy" xreflabel="NumPy-&numpy-version;">

    <title>NumPy-&numpy-version;</title>

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

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

      <para>
        <application>NumPy</application> is the fundamental package for
        scientific computing with Python.
      </para>

      &lfs121_checked;

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

      <bridgehead renderas="sect4">NumPy Dependencies</bridgehead>

      <bridgehead renderas="sect5">Required</bridgehead>
      <para role="required">
        <xref linkend="cython"/>,
        <xref linkend="meson_python"/>, and
        <xref linkend="pyproject-metadata"/>
      </para>

<!--  <bridgehead renderas="sect5">Recommended</bridgehead>
      <para role="recommended">
        <xref linkend="setuptools_scm"/>
      </para>-->

      <bridgehead renderas="sect5">Optional</bridgehead>
      <para role="optional">
        fortran from <xref linkend="gcc"/>,
        <ulink url="https://www.netlib.org/lapack/">lapack and cblas</ulink>, and
        <ulink url="https://www.openblas.net/">openblas</ulink>
      </para>

      <bridgehead renderas="sect5">Optional (for testing)</bridgehead>
      <para role="optional">
        <xref linkend="attrs"/>,
        <xref linkend="pytest"/>,
        <xref linkend="pytz"/>, and
        <ulink url="https://pypi.org/project/hypothesis/">hypothesis</ulink>
      </para>

    </sect3>

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

      <para> Build the module: </para>

<screen><userinput>pip3 wheel -w dist --no-build-isolation --no-deps --no-cache-dir -Csetup-args=-Dallow-noblas=true $PWD</userinput></screen>

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

<screen role="root"><userinput>&install-wheel; numpy</userinput></screen>

      <para>
        The installation can be tested with the following commands:
      </para>

<screen remap="test"><userinput>
mkdir -p test                                  &amp;&amp;
cd       test                                  &amp;&amp;
python3 -m venv --system-site-packages testenv &amp;&amp;
source testenv/bin/activate                    &amp;&amp;
pip3 install hypothesis                        &amp;&amp;
<!-- no && because of a possible error -->
python -c "import numpy, sys; sys.exit(numpy.test() is False)"
deactivate</userinput></screen>

      <para>
        Two tests, out of over 48000 tests, are known to fail.
        <!-- test_f2py2e.py::test_untitled_cli, 
             test_f2py2e.py::test_no_py312_distutils_fcompiler
             2 failed, 45996 passed, 2349 skipped, 2785 deselected, 58 xfailed,
                           5 xpassed in 120.86s (0:02:00) -->
      </para>

    </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>
            f2py, f2py3 and f2py&python3-majorver; (3 copies of the same script)
          </seg>
          <!-- we seem not to record the solibs, see e.g. lxml, cairo
           actually, this one has a lot, all with awkward
           * .cpython-311-x86_64-linux-gnu.so names -->
          <seg>None</seg>
          <seg>
            /usr/lib/python&python3-majorver;/site-packages/numpy
          </seg>
        </seglistitem>
      </segmentedlist>

      <variablelist>
        <bridgehead renderas="sect5">Short Descriptions</bridgehead>
        <?dbfo list-presentation="list"?>
        <?dbhtml list-presentation="table"?>

        <varlistentry id="f2py">
          <term><command>f2py</command></term>
          <listitem>
            <para>
              is the Fortran to Python interface generator utility.
            </para>
            <indexterm zone="numpy f2py">
              <primary sortas="b-f2py">f2py</primary>
            </indexterm>
          </listitem>
        </varlistentry>

      </variablelist>

    </sect3>

  </sect2>