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This extension provides a Sphinx domain for automatically generating doumentation from MATLAB source files. It is modelled after the Python autodoc.

The extension allows you to have your documentation and source files together and use the powerful Sphinx documentation tool. All your MATLAB file help text can be automatically included in the your documentation and output as for instance HTML.

The extension works really well with sphinx.ext.napoleon.

Recent Changes.

The Python package must be installed with:

pip install -U sphinxcontrib-matlabdomain

In general, the usage is the same as for documenting Python code. The package is tested with Python >= 3.8 and Sphinx >=4.0.0 and <6.0.0.

For a Python 2 compatible version the package must be installed with:

pip install sphinxcontrib-matlabdomain==0.11.8

In your Sphinx conf.py file add sphinxcontrib.matlab to the list of extensions. :

extensions = ['sphinxcontrib.matlab', 'sphinx.ext.autodoc']

matlab_src_dir

In order for the Sphinx MATLAB domain to auto-document MATLAB source code, set the config value of matlab_src_dir to the absolute path. Currently only one MATLAB path can be specified, but all subfolders in that tree will be searched.

matlab_src_encoding

The encoding of the MATLAB files. By default, the files will be read as utf-8 and parsing errors will be replaced using ? chars. Added in Version 0.9.0.

matlab_keep_package_prefix

Determines if the MATLAB package prefix + is displayed in the generated documentation. Default is True. When False, packages are still referred to in ReST using +pakage.+subpkg.func but the output will be pakage.other.func(). Added in Version 0.11.0.

matlab_show_property_default_value

Show property default values in the rendered document. Default is False, which is what MathWorks does in their documentation. Added in Version 0.16.0.

For convenience the primary domain can be set to mat.

Please see Sphinx Domains and sphinx.ext.autodoc for documentation on the use of roles and directives. MATLAB code can be documented using the following roles and directives:

Several options are available for auto-directives.

• :members: auto-document public members
• :show-inheritance: list bases
• :undoc-members: document members without docstrings
• :annotation: specifies attribute annotation instead of default

There are also several config values that can be set in conf.py that will affect auto-docementation.

• autoclass_content can be set to class, both or init, which determines which docstring is used for classes. The constructor docstring is used when this is set to init.
• autodoc_member_order can be set to alphabetical, groupwise or bysource.
• autodoc_default_flags can be set to a list of options to apply. Use the no-flag directive option to disable this config value once.

Example: given the following MATLAB source in folder test_data:

classdef MyHandleClass < handle & my.super.Class
    % a handle class
    %
    % :param x: a variable

    %% some comments
    properties
        x % a property

        % Multiple lines before a
        % property can also be used
        y
    end
    methods
        function h = MyHandleClass(x)
            h.x = x
        end
        function x = get.x(obj)
        % how is this displayed?
            x = obj.x
        end
    end
    methods (Static)
        function w = my_static_function(z)
        % A static function in :class:`MyHandleClass`.
        %
        % :param z: input z
        % :returns: w

            w = z
        end
    end
end

Use the following to document:

Test Data
=========
This is the test data module.

.. automodule:: test_data

:mod:`test_data` is a really cool module.

My Handle Class
---------------
This is the handle class definition.

.. autoclass:: MyHandleClass
    :show-inheritance:
    :members:

Since version 0.10.0 the MATLAB Module Index should be linked to with:

`MATLAB Module Index <mat-modindex.html>`_

Older versions, used the Python Module Index, which was linked to with:

:ref:`modindex`

Since version 0.10.0 MATLAB and Python sources can be (auto-)documented in the same Sphinx documentation. For this to work, do not set the primary domain.

Instead use the mat: prefix before the desired directives:

.. automodule:: func
.. autofunction:: func.main

.. mat:automodule:: matsrc
.. mat:autofunction:: matsrc.func

The test docs in the repository are online here: http://bwanamarko.alwaysdata.net/matlabdomain/

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