PlantUML for Sphinx

Installation

.. code-block::

pip install sphinxcontrib-plantuml

Usage

Add sphinxcontrib.plantuml to your extensions list in your conf.py:

.. code-block:: python

extensions = [
'sphinxcontrib.plantuml',
]

You may also need to specify the plantuml command in your conf.py:

.. code-block:: python

plantuml = 'java -jar /path/to/plantuml.jar'

Instead, you can install a wrapper script in your PATH:

.. code-block:: console

% cat < /usr/local/bin/plantuml
#!/bin/sh -e
java -jar /path/to/plantuml.jar "$@"
EOT
% chmod +x /usr/local/bin/plantuml

Then, write PlantUML text under the .. uml:: (or .. plantuml::)
directive::

.. uml::

   Alice -> Bob: Hi!
   Alice <- Bob: How are you?

or specify path to an external PlantUML file::

.. uml:: external.uml

You can specify height, width, scale and align::

.. uml::
   :scale: 50 %
   :align: center

   Foo <|-- Bar

You can also specify a caption::

.. uml::
   :caption: Caption with **bold** and *italic*
   :width: 50mm

   Foo <|-- Bar

For details, please see PlantUML_ documentation.

.. _PlantUML: http://plantuml.com/

Configuration

plantuml
Path to plantuml executable. (default: 'plantuml')

plantuml_output_format
Type of output image for HTML renderer. (default: 'png')

:png: generate only .png inside
:svg: generate .svg inside with .png inside as a fallback
:svg_img: generate only .svg inside (browser support <svg_img_>)
:svg_obj: generate only .svg inside (browser support <svg_obj_>)
:none: do not generate any images (ignore uml directive)

When svg is inside it will always render full size, possibly bigger
than the container. When svg is inside it will respect container size
and scale if necessary.

plantuml_latex_output_format
Type of output image for LaTeX renderer. (default: 'png')

:eps: generate .eps (not supported by pdflatex)
:pdf: generate .eps and convert it to .pdf (requires epstopdf)
:png: generate .png
:tikz: generate .latex in the TikZ format
:none: do not generate any images (ignore uml directive)

Because embedded png looks pretty bad, it is recommended to choose pdf
for pdflatex or eps for platex.

plantuml_epstopdf
Path to epstopdf executable. (default: 'epstopdf')

.. _svg_img: https://caniuse.com/svg-img
.. _svg_obj: https://caniuse.com/svg

plantuml_syntax_error_image
Should plantuml generate images with render errors. (default: False)

plantuml_cache_path
Directory where image cache is stored. (default: '_plantuml')

plantuml_batch_size
(EXPERIMENTAL)
Run plantuml command per the specified number of images. (default: 1)

If enabled, plantuml documents will be first written to the cache directory,
and rendered in batches. This eliminates bootstrapping overhead of Java
runtime and allows plantuml to leverage multiple CPU cores.

To enable batch rendering, set the size to 100-1000.

Developing

Install the python test dependencies with

.. code-block::

pip install sphinxcontrib-plantuml[test]

In addition the following non-python dependencies are required in order to run the tests:

latexmk

plantuml

texlive

texlive-font-utils

texlive-latex-extra

The tests can be executed using pytest

.. code-block::

pytest

Package profile

sphinxcontrib-plantuml

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