This directive hides or unhides a part of the documentation, usually snippets of code. The user can click on a button to fold or unfold a section.

In conf.py:

extensions = [ ...
    'sphinx_runpython.collapse',
]

.. collapse::

    Show or hide a part of the documentation.

.. collapse::

    Show or hide a part of the documentation.

.. autoclass:: sphinx_runpython.collapse.sphinx_collapse_extension.CollapseDirective