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<section id="dependencies">
<span id="id1"></span><h1>Dependencies<a class="headerlink" href="#dependencies" title="Link to this heading">#</a></h1>
<section id="runtime-dependencies">
<span id="id2"></span><h2>Runtime dependencies<a class="headerlink" href="#runtime-dependencies" title="Link to this heading">#</a></h2>
<section id="required">
<h3>Required<a class="headerlink" href="#required" title="Link to this heading">#</a></h3>
<p>When installing through a package manager like <code class="docutils literal notranslate"><span class="pre">pip</span></code> or <code class="docutils literal notranslate"><span class="pre">conda</span></code>, the
mandatory dependencies are automatically installed. This list is mainly for
reference.</p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.python.org/downloads/">Python</a> (>= 3.11)</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/contourpy/">contourpy</a> (>= 1.0.1)</p></li>
<li><p><a class="reference external" href="https://matplotlib.org/cycler/">cycler</a> (>= 0.10.0)</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/python-dateutil/">dateutil</a> (>= 2.7)</p></li>
<li><p><a class="reference external" href="https://fonttools.readthedocs.io/en/latest/">fontTools</a> (>= 4.22.0)</p></li>
<li><p><a class="reference external" href="https://github.com/nucleic/kiwi">kiwisolver</a> (>= 1.3.1)</p></li>
<li><p><a class="reference external" href="https://numpy.org">NumPy</a> (>= 1.25)</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/packaging/">packaging</a> (>= 20.0)</p></li>
<li><p><a class="reference external" href="https://pillow.readthedocs.io/en/latest/">Pillow</a> (>= 9.0)</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pyparsing/">pyparsing</a> (>= 3)</p></li>
</ul>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>With <strong>conda packages</strong>, this set of minimal dependencies is realized in
the <code class="docutils literal notranslate"><span class="pre">matplotlib-base</span></code> conda package. Other packages in the conda
ecosystem that depend on Matplotlib should depend on <code class="docutils literal notranslate"><span class="pre">matplotlib-base</span></code>.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">matplotlib</span></code> conda package additionally comes with <code class="docutils literal notranslate"><span class="pre">pyside6</span></code>
to have a working GUI backend out of the box for end users. This should
primarily be used to define end-user environments. See also the
<a class="reference external" href="https://conda-forge.org/docs/maintainer/knowledge_base/#matplotlib">conda forge documentation</a>.</p>
</div>
</section>
<section id="optional">
<span id="optional-dependencies"></span><h3>Optional<a class="headerlink" href="#optional" title="Link to this heading">#</a></h3>
<p>The following packages and tools are not required but extend the capabilities
of Matplotlib.</p>
<section id="backends">
<span id="backend-dependencies"></span><h4>Backends<a class="headerlink" href="#backends" title="Link to this heading">#</a></h4>
<p>Matplotlib figures can be rendered to various user interfaces. See
<a class="reference internal" href="../users/explain/figure/backends.html#what-is-a-backend"><span class="std std-ref">What is a backend?</span></a> for more details on the optional Matplotlib backends
and the capabilities they provide.</p>
<ul class="simple">
<li><p><a class="reference external" href="https://docs.python.org/3/library/tk.html">Tk</a> (>= 8.5, != 8.6.0 or 8.6.1): for the Tk-based backends. Tk is part of
most standard Python installations, but it's not part of Python itself and
thus may not be present in rare cases.</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/PyQt6/">PyQt6</a> (>= 6.1), <a class="reference external" href="https://pypi.org/project/PySide6/">PySide6</a>, <a class="reference external" href="https://pypi.org/project/PyQt5/">PyQt5</a> (>= 5.12), or <a class="reference external" href="https://pypi.org/project/PySide2/">PySide2</a>: for the Qt-based
backends.</p></li>
<li><p><a class="reference external" href="https://pygobject.readthedocs.io/en/latest/">PyGObject</a> and <a class="reference external" href="https://pycairo.readthedocs.io/en/latest/">pycairo</a> (>= 1.14.0): for the GTK-based backends. If using pip
(but not conda or system package manager) PyGObject must be built from
source; see <a class="reference external" href="https://pygobject.readthedocs.io/en/latest/devguide/dev_environ.html">pygobject documentation</a>.</p></li>
<li><p><a class="reference external" href="https://pycairo.readthedocs.io/en/latest/">pycairo</a> (>= 1.14.0) or <a class="reference external" href="https://doc.courtbouillon.org/cairocffi/stable/">cairocffi</a> (>= 0.8): for cairo-based backends.</p></li>
<li><p><a class="reference external" href="https://www.wxpython.org/">wxPython</a> (>= 4): for the wx-based backends. If using pip (but not conda or
system package manager) on Linux wxPython wheels must be manually downloaded
from <a class="reference external" href="https://wxpython.org/pages/downloads/">https://wxpython.org/pages/downloads/</a>.</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/tornado/">Tornado</a> (>= 5): for the WebAgg backend.</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/ipykernel/">ipykernel</a>: for the nbagg backend.</p></li>
<li><p>macOS (>= 10.12): for the macosx backend.</p></li>
</ul>
</section>
<section id="animations">
<h4>Animations<a class="headerlink" href="#animations" title="Link to this heading">#</a></h4>
<ul class="simple">
<li><p><a class="reference external" href="https://www.ffmpeg.org/">ffmpeg</a>: for saving movies.</p></li>
<li><p><a class="reference external" href="https://www.imagemagick.org/script/index.php">ImageMagick</a>: for saving
animated gifs.</p></li>
</ul>
</section>
<section id="font-handling-and-rendering">
<h4>Font handling and rendering<a class="headerlink" href="#font-handling-and-rendering" title="Link to this heading">#</a></h4>
<ul class="simple">
<li><p><a class="reference external" href="https://www.latex-project.org/">LaTeX</a> (with <a class="reference external" href="https://ctan.org/pkg/cm-super">cm-super</a> and <a class="reference external" href="https://ctan.org/pkg/underscore">underscore</a>) and <a class="reference external" href="https://ghostscript.com/releases/">GhostScript (>= 9.0)</a>: for rendering text with LaTeX.</p></li>
<li><p><a class="reference external" href="https://www.fontconfig.org">fontconfig</a> (>= 2.7): for detection of system
fonts on Linux.</p></li>
</ul>
</section>
</section>
<section id="c-libraries">
<h3>C libraries<a class="headerlink" href="#c-libraries" title="Link to this heading">#</a></h3>
<p>Matplotlib brings its own copies of the following libraries:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">Agg</span></code>: the Anti-Grain Geometry C++ rendering engine</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">ttconv</span></code>: a TrueType font utility</p></li>
</ul>
<p>Additionally, Matplotlib depends on:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.freetype.org/">FreeType</a> (>= 2.3): a font rendering library</p></li>
<li><p><a class="reference external" href="http://www.qhull.org/">QHull</a> (>= 8.0.2): a library for computing triangulations (note that this version is
also known as 2020.2)</p></li>
</ul>
<section id="download-during-install">
<h4>Download during install<a class="headerlink" href="#download-during-install" title="Link to this heading">#</a></h4>
<p>By default, Matplotlib downloads and builds its own copies of Qhull and FreeType.
The vendored version of FreeType is necessary to run the test suite, because
different versions of FreeType rasterize characters differently.</p>
</section>
<section id="use-system-libraries">
<h4>Use system libraries<a class="headerlink" href="#use-system-libraries" title="Link to this heading">#</a></h4>
<p>To force Matplotlib to use a copy of FreeType or Qhull already installed in your system,
you must <a class="reference external" href="https://meson-python.readthedocs.io/en/stable/how-to-guides/config-settings.html">pass configuration settings to Meson via meson-python</a>:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>python<span class="w"> </span>-m<span class="w"> </span>pip<span class="w"> </span>install<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>--config-settings<span class="o">=</span>setup-args<span class="o">=</span><span class="s2">"-Dsystem-freetype=true"</span><span class="w"> </span><span class="se">\</span>
<span class="w"> </span>--config-settings<span class="o">=</span>setup-args<span class="o">=</span><span class="s2">"-Dsystem-qhull=true"</span><span class="w"> </span><span class="se">\</span>
<span class="w"> </span>.
</pre></div>
</div>
<p>In this case, you need to install the FreeType and Qhull library and headers.
This can be achieved using a package manager, e.g. for FreeType:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="c1"># Pick ONE of the following:</span>
sudo<span class="w"> </span>apt<span class="w"> </span>install<span class="w"> </span>libfreetype6-dev<span class="w"> </span><span class="c1"># Debian/Ubuntu</span>
sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>freetype-devel<span class="w"> </span><span class="c1"># Fedora</span>
brew<span class="w"> </span>install<span class="w"> </span>freetype<span class="w"> </span><span class="c1"># macOS with Homebrew</span>
conda<span class="w"> </span>install<span class="w"> </span>freetype<span class="w"> </span><span class="c1"># conda, any OS</span>
</pre></div>
</div>
<p>(adapt accordingly for Qhull).</p>
<p>On Linux and macOS, it is also recommended to install <a class="reference external" href="https://www.freedesktop.org/wiki/Software/pkg-config/">pkg-config</a>, a helper
tool for locating FreeType:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="c1"># Pick ONE of the following:</span>
sudo<span class="w"> </span>apt<span class="w"> </span>install<span class="w"> </span>pkg-config<span class="w"> </span><span class="c1"># Debian/Ubuntu</span>
sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>pkgconf<span class="w"> </span><span class="c1"># Fedora</span>
brew<span class="w"> </span>install<span class="w"> </span>pkg-config<span class="w"> </span><span class="c1"># macOS with Homebrew</span>
conda<span class="w"> </span>install<span class="w"> </span>pkg-config<span class="w"> </span><span class="c1"># conda</span>
<span class="c1"># Or point the PKG_CONFIG environment variable to the path to pkg-config:</span>
<span class="nb">export</span><span class="w"> </span><span class="nv">PKG_CONFIG</span><span class="o">=</span>...
</pre></div>
</div>
<p>If not using pkg-config (in particular on Windows), you may need to set the
include path (to the library headers) and link path (to the libraries)
explicitly, if they are not in standard locations. This can be done using
standard environment variables -- on Linux and macOS:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="nb">export</span><span class="w"> </span><span class="nv">CFLAGS</span><span class="o">=</span><span class="s1">'-I/directory/containing/ft2build.h'</span>
<span class="nb">export</span><span class="w"> </span><span class="nv">LDFLAGS</span><span class="o">=</span><span class="s1">'-L/directory/containing/libfreetype.so'</span>
</pre></div>
</div>
<p>and on Windows:</p>
<div class="highlight-bat notranslate"><div class="highlight"><pre><span></span><span class="k">set</span> <span class="nv">CL</span><span class="p">=</span>/IC:\directory\containing\ft2build.h
<span class="k">set</span> <span class="nv">LINK</span><span class="p">=</span>/LIBPATH:C:\directory\containing\freetype.lib
</pre></div>
</div>
<p>If you go this route but need to reset and rebuild to change your settings,
remember to clear your artifacts before re-building:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">git</span> <span class="n">clean</span> <span class="o">-</span><span class="n">xfd</span>
</pre></div>
</div>
</section>
<section id="from-source-files">
<h4>From source files<a class="headerlink" href="#from-source-files" title="Link to this heading">#</a></h4>
<p>If the automatic download does not work (for example, on air-gapped systems) it is
preferable to instead use system libraries. However you can manually download the
tarballs into <code class="file docutils literal notranslate"><span class="pre">subprojects/packagecache</span></code> at the top level of the checkout
repository. The expected SHA256 hashes of the downloaded tarballs are in
<code class="file docutils literal notranslate"><span class="pre">subprojects/*.wrap</span></code> if you wish to verify them, but they will also be checked by
the build system before unpacking.</p>
</section>
</section>
<section id="minimum-pip-manylinux-support-linux">
<h3>Minimum pip / manylinux support (linux)<a class="headerlink" href="#minimum-pip-manylinux-support-linux" title="Link to this heading">#</a></h3>
<p>Matplotlib publishes <a class="reference external" href="https://github.com/pypa/manylinux">manylinux wheels</a>
which have a minimum version of pip which will recognize the wheels</p>
<ul class="simple">
<li><p>Python 3.9+: <code class="docutils literal notranslate"><span class="pre">manylinux2014</span></code> / pip >= 19.3</p></li>
</ul>
<p>In all cases the required version of pip is embedded in the CPython source.</p>
</section>
</section>
<section id="build-dependencies">
<span id="development-dependencies"></span><h2>Build dependencies<a class="headerlink" href="#build-dependencies" title="Link to this heading">#</a></h2>
<section id="setup-dependencies">
<span id="id3"></span><h3>Python<a class="headerlink" href="#setup-dependencies" title="Link to this heading">#</a></h3>
<p><code class="docutils literal notranslate"><span class="pre">pip</span></code> normally builds packages using <a class="reference external" href="https://pip.pypa.io/en/stable/reference/build-system/" title="(in pip v26.1)"><span class="xref std std-doc">build isolation</span></a>,
which means that <code class="docutils literal notranslate"><span class="pre">pip</span></code> installs the dependencies listed here for the
duration of the build process. However, build isolation is disabled via the the
<a class="reference external" href="https://pip.pypa.io/en/stable/cli/pip_install/#install-no-build-isolation" title="(in pip v26.1)"><span class="xref std std-ref">--no-build-isolation</span></a> flag
when <a class="reference internal" href="../devel/development_setup.html#development-install"><span class="std std-ref">installing Matplotlib for development</span></a>, which
means that the dependencies must be explicitly installed, either by <a class="reference internal" href="../devel/development_setup.html#dev-environment"><span class="std std-ref">creating a virtual environment</span></a>
(recommended) or by manually installing the following packages:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://meson-python.readthedocs.io/">meson-python</a> (>= 0.13.1).</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pybind11/">PyBind11</a> (>= 2.13.2). Used to connect C/C++ code
with Python.</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/setuptools-scm/">setuptools_scm</a> (>= 7). Used to
update the reported <code class="docutils literal notranslate"><span class="pre">mpl.__version__</span></code> based on the current git commit.
Also a runtime dependency for editable installs.</p></li>
<li><p><a class="reference external" href="https://numpy.org">NumPy</a> (>= 1.22). Also a runtime dependency.</p></li>
</ul>
</section>
<section id="compilers-and-external-build-tools">
<span id="compile-build-dependencies"></span><h3>Compilers and external build tools<a class="headerlink" href="#compilers-and-external-build-tools" title="Link to this heading">#</a></h3>
<p>When setting up a virtual environment for development, <a class="reference external" href="https://ninja-build.org/">ninja</a>
(>= 1.8.2) may need to be installed separately. This may be available
as a <a class="reference external" href="https://github.com/ninja-build/ninja/releases">pre-built binary</a> or from a
<a class="reference external" href="https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages">package manager</a>
or bundled with Meson. Ninja may also be installed via <code class="docutils literal notranslate"><span class="pre">pip</span></code> if otherwise not
available.</p>
<section id="compilers">
<span id="compile-dependencies"></span><h4>Compilers<a class="headerlink" href="#compilers" title="Link to this heading">#</a></h4>
<p>Matplotlib requires a C++ compiler that supports C++17, and each platform has a
development environment that must be installed before a compiler can be installed.
You may also need to install headers for various libraries used in the compiled extension
source files.</p>
<div class="sd-tab-set docutils" id="dev-compiler">
<input checked="checked" id="sd-tab-item-0" name="sd-tab-set-0" type="radio">
<label class="sd-tab-label" for="sd-tab-item-0">
Linux</label><div class="sd-tab-content docutils">
<p>On some Linux systems, you can install a meta-build package. For example,
on Ubuntu <code class="docutils literal notranslate"><span class="pre">apt</span> <span class="pre">install</span> <span class="pre">build-essential</span></code> with elevated privileges.</p>
<p>Otherwise, use the system distribution's package manager to install
<a class="reference internal" href="#compiler-table"><span class="std std-ref">gcc</span></a>.</p>
</div>
<input id="sd-tab-item-1" name="sd-tab-set-0" type="radio">
<label class="sd-tab-label" for="sd-tab-item-1">
macOS</label><div class="sd-tab-content docutils">
<p>Install <a class="reference external" href="https://developer.apple.com/xcode/">Xcode</a> for Apple platform development.</p>
</div>
<input id="sd-tab-item-2" name="sd-tab-set-0" type="radio">
<label class="sd-tab-label" for="sd-tab-item-2">
Windows</label><div class="sd-tab-content docutils">
<p>Install <a class="reference external" href="https://visualstudio.microsoft.com/downloads/?q=build+tools">Visual Studio Build Tools</a></p>
<p>Make sure "Desktop development with C++" is selected, and that the latest MSVC,
"C++ CMake tools for Windows," and a Windows SDK compatible with your version
of Windows are selected and installed. They should be selected by default under
the "Optional" subheading, but are required to build Matplotlib from source.</p>
<p>Alternatively, you can install a Linux-like environment such as <a class="reference external" href="https://www.cygwin.com/">CygWin</a>
or <a class="reference external" href="https://learn.microsoft.com/en-us/windows/wsl/install">Windows Subsystem for Linux</a>.
If using <a class="reference external" href="https://www.mingw-w64.org/">MinGW-64</a>, we require <strong>v6</strong> of the
<code class="docutils literal notranslate"><span class="pre">`Mingw-w64-x86_64-headers</span></code>.</p>
</div>
</div>
<p>We highly recommend that you install a compiler using your platform tool, i.e., Xcode,
VS Code or Linux package manager. Choose <strong>one</strong> compiler from this list:</p>
<div class="pst-scrollable-table-container"><table class="table" id="compiler-table">
<colgroup>
<col style="width: 20.0%" />
<col style="width: 20.0%" />
<col style="width: 20.0%" />
<col style="width: 40.0%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>compiler</p></th>
<th class="head"><p>minimum version</p></th>
<th class="head"><p>platforms</p></th>
<th class="head"><p>notes</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>GCC</p></td>
<td><p><strong>7.2</strong></p></td>
<td><p>Linux, macOS, Windows</p></td>
<td><p><a class="reference external" href="https://gcc.gnu.org/projects/cxx-status.html#cxx17">gcc 7.2</a>,
<a class="reference external" href="https://gcc.gnu.org/install/binaries.html">GCC: Binaries</a>,</p></td>
</tr>
<tr class="row-odd"><td><p>Clang (LLVM)</p></td>
<td><p><strong>5</strong></p></td>
<td><p>Linux, macOS</p></td>
<td><p><a class="reference external" href="https://clang.llvm.org/cxx_status.html">clang 5</a>, <a class="reference external" href="https://releases.llvm.org/download.html">LLVM</a></p></td>
</tr>
<tr class="row-even"><td><p>MSVC++</p></td>
<td><p><strong>16.0</strong></p></td>
<td><p>Windows</p></td>
<td><p><a class="reference external" href="https://docs.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance?view=msvc-160">Visual Studio 2019 C++</a></p></td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
</section>
<section id="test-dependencies">
<span id="id4"></span><h2>Test dependencies<a class="headerlink" href="#test-dependencies" title="Link to this heading">#</a></h2>
<p>This section lists the additional software required for
<a class="reference internal" href="../devel/testing.html#testing"><span class="std std-ref">running the tests</span></a>.</p>
<section id="id5">
<h3>Required<a class="headerlink" href="#id5" title="Link to this heading">#</a></h3>
<ul class="simple">
<li><p><a class="reference external" href="http://doc.pytest.org/en/latest/">pytest</a> (>= 7.0.0)</p></li>
</ul>
</section>
<section id="id6">
<h3>Optional<a class="headerlink" href="#id6" title="Link to this heading">#</a></h3>
<p>In addition to all of the optional dependencies on the main library, for
testing the following will be used if they are installed.</p>
<section id="id7">
<h4>Python<a class="headerlink" href="#id7" title="Link to this heading">#</a></h4>
<p>These packages are installed when <a class="reference internal" href="../devel/development_setup.html#dev-environment"><span class="std std-ref">creating a virtual environment</span></a>,
otherwise they must be installed manually:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://pypi.org/project/nbformat/">nbformat</a> and <a class="reference external" href="https://pypi.org/project/nbconvert/">nbconvert</a> used to test the notebook backend</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pandas/">pandas</a> used to test compatibility with Pandas</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pikepdf/">pikepdf</a> used in some tests for the pgf and pdf backends</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/psutil/">psutil</a> used in testing the interactive backends</p></li>
<li><p><a class="reference external" href="https://pytest-cov.readthedocs.io/en/latest/">pytest-cov</a> (>= 2.3.1) to collect coverage information</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pytest-timeout/">pytest-timeout</a> to limit runtime in case of stuck tests</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pytest-xdist/">pytest-xdist</a> to run tests in parallel</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pytest-xvfb/">pytest-xvfb</a> to run tests without windows popping up (Linux)</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/pytz/">pytz</a> used to test pytz int</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/Sphinx/">sphinx</a> used to test our sphinx extensions</p></li>
<li><p><a class="reference external" href="https://pypi.org/project/xarray/">xarray</a> used to test compatibility with xarray</p></li>
</ul>
</section>
<section id="external-tools">
<h4>External tools<a class="headerlink" href="#external-tools" title="Link to this heading">#</a></h4>
<ul class="simple">
<li><p><a class="reference external" href="https://ghostscript.com/">Ghostscript</a> (>= 9.0, to render PDF files)</p></li>
<li><p><a class="reference external" href="https://inkscape.org">Inkscape</a> (to render SVG files)</p></li>
<li><p><a class="reference external" href="http://wenq.org/en/">WenQuanYi Zen Hei</a> and <a class="reference external" href="https://fonts.google.com/noto/use">Noto Sans CJK</a> fonts for testing font fallback and
non-Western fonts</p></li>
</ul>
<p>If any of these dependencies are not discovered, then the tests that rely on
them will be skipped by pytest.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>When installing Inkscape on Windows, make sure that you select “Add
Inkscape to system PATH”, either for all users or current user, or the
tests will not find it.</p>
</div>
</section>
</section>
</section>
<section id="documentation-dependencies">
<span id="doc-dependencies"></span><h2>Documentation dependencies<a class="headerlink" href="#documentation-dependencies" title="Link to this heading">#</a></h2>
<section id="id8">
<h3>Python<a class="headerlink" href="#id8" title="Link to this heading">#</a></h3>
<p>The additional Python packages required to build the <a class="reference internal" href="../devel/document.html#documenting-matplotlib"><span class="std std-ref">documentation</span></a> are listed in <code class="file docutils literal notranslate"><span class="pre">pyproject.toml</span></code> and can be
installed using</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">pip</span> <span class="n">install</span> <span class="o">--</span><span class="n">group</span> <span class="n">doc</span>
</pre></div>
</div>
</section>
<section id="doc-dependencies-external">
<span id="id9"></span><h3>External tools<a class="headerlink" href="#doc-dependencies-external" title="Link to this heading">#</a></h3>
<section id="id10">
<h4>Required<a class="headerlink" href="#id10" title="Link to this heading">#</a></h4>
<p>The documentation requires LaTeX and Graphviz. These are not
Python packages and must be installed separately.</p>
<ul class="simple">
<li><p><a class="reference external" href="http://www.graphviz.org/download">Graphviz</a></p></li>
<li><p>a LaTeX distribution, e.g. <a class="reference external" href="https://www.tug.org/texlive/">TeX Live</a> or
<a class="reference external" href="https://miktex.org/">MikTeX</a></p></li>
</ul>
<section id="latex-dependencies">
<span id="tex-dependencies"></span><h5>LaTeX dependencies<a class="headerlink" href="#latex-dependencies" title="Link to this heading">#</a></h5>
<p>The following collections must be installed. When using a distribution that does not
support collections, the packages listed for each collection must be installed. You may
need to install some packages that are not listed here. The complete version of many
LaTeX distribution installers, e.g. "texlive-full" or "texlive-all",
will often automatically include these collections.</p>
<div class="pst-scrollable-table-container"><table class="table">
<thead>
<tr class="row-odd"><th class="head"><p>collection</p></th>
<th class="head"><p>packages</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>collection-basic</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/cm">cm</a>,
luahbtex</p></td>
</tr>
<tr class="row-odd"><td><p>collection-fontsrecommended</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/cm-super">cm-super</a>,
<a class="reference external" href="https://ctan.org/pkg/lm">lm</a>,
<a class="reference external" href="https://ctan.org/pkg/txfonts">txfonts</a></p></td>
</tr>
<tr class="row-even"><td><p>collection-latex</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/fix-cm">fix-cm</a>,
<a class="reference external" href="https://ctan.org/pkg/geometry">geometry</a>,
<a class="reference external" href="https://ctan.org/pkg/hyperref">hyperref</a>,
<a class="reference external" href="https://ctan.org/pkg/latex">latex</a>,
latex-bin,
<a class="reference external" href="https://ctan.org/pkg/psnfss">psnfss</a></p></td>
</tr>
<tr class="row-odd"><td><p>collection-latexextra</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/import">import</a>,
<a class="reference external" href="https://ctan.org/pkg/sfmath">sfmath</a>,
<a class="reference external" href="https://ctan.org/pkg/type1cm">type1cm</a></p></td>
</tr>
<tr class="row-even"><td><p>collection-latexrecommended</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/fontspec">fontspec</a>,
<a class="reference external" href="https://ctan.org/pkg/underscore">underscore</a>,</p></td>
</tr>
<tr class="row-odd"><td><p>collection-xetex</p></td>
<td><p><a class="reference external" href="https://ctan.org/pkg/xetex">xetex</a>,
xetex-bin</p></td>
</tr>
</tbody>
</table>
</div>
<p>The following packages must also be installed:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://ctan.org/pkg/dvipng">dvipng</a></p></li>
<li><p><a class="reference external" href="https://ctan.org/pkg/pgf">pgf</a> (if using the pgf backend)</p></li>
</ul>
</section>
</section>
<section id="id12">
<h4>Optional<a class="headerlink" href="#id12" title="Link to this heading">#</a></h4>
<p>The documentation can be built without Inkscape and optipng, but the build
process will raise various warnings.</p>
<ul class="simple">
<li><p><a class="reference external" href="https://inkscape.org">Inkscape</a></p></li>
<li><p><a class="reference external" href="http://optipng.sourceforge.net">optipng</a></p></li>
<li><p>the font <a class="reference external" href="https://github.com/ipython/xkcd-font/">xkcd script</a> or <a class="reference external" href="https://github.com/crozynski/comicneue">Comic Neue</a></p></li>
<li><p>the font "Times New Roman"</p></li>
</ul>
</section>
</section>
</section>
</section>
</article>
</div>
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