I lost an hour of my life today trying to figure out why Sphinx would not document a class inside a module specified by :automodule:.
I learnt two things today.
Firstly, Sphinx will not document a class automatically as part of
:automodule: if the class itself doesn’t have a
docstring. You can force the class to be displayed by having an additional
If the class does have a doc string, it will be displayed including the documentation of its regular (ones without a
_ in the name) methods. It will still not show the constructor though.
To display the constructor, I first thought I would add the
:special-members: option to the
But that didn’t work very well, as it showed various unnecessary private functions as well, e.g.
I finally discovered that the best way to get the constructor documentation displayed was using the autoclass_content config in the sphinx config file.
autoclass_content = 'both'
As per the documentation,
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This value selects what content will be inserted into the main body of an autoclass directive. The possible values are:
- “class”: Only the class’ docstring is inserted. This is the default. You “can still document init as a separate method using automethod or “the members option to autoclass.
- “both”: Both the class’ and the init method’s docstring are concatenated and inserted.
- “init”: Only the init method’s docstring is inserted.