3.6.0: documentation build fails and sphinx warnings reference target not found

[kloczek]

Looks like something is wrong with current sphinx documetation and it cannot be generated usimg latest sphinx 6.1.3.

Sphinx sows as well many warnigs after use -n option
You can peak on fixes that kind of issues in other projects
RDFLib/rdflib-sqlalchemy#95
RDFLib/rdflib#2036
click-contrib/sphinx-click@abc31069
frostming/unearth#14
jaraco/cssutils#21
latchset/jwcrypto#289
latchset/jwcrypto#289
pypa/distlib@98b9b89f
pywbem/pywbem#2895
sissaschool/elementpath@bf869d9e

+ /usr/bin/sphinx-build -n -T -b man doc-source build/sphinx/man
Running Sphinx v6.1.3
making output directory... done
[autosummary] generating autosummary for: 404.rst, Source.rst, api/bases.rst, api/compat.rst, api/dates.rst, api/delegators.rst, api/doctools.rst, api/getters.rst, api/import_tools.rst, api/iterative.rst, ..., api/secrets.rst, api/stringlist.rst, api/terminal.rst, api/typing.rst, api/utils.rst, api/versions.rst, api/words.rst, contributing.rst, index.rst, license.rst
loading intersphinx inventory from https://docs.python.org/3/objects.inv...
loading intersphinx inventory from https://www.sphinx-doc.org/en/stable/objects.inv...
loading intersphinx inventory from https://pandas.pydata.org/docs/objects.inv...
loading intersphinx inventory from https://consolekit.readthedocs.io/en/latest/objects.inv...
loading intersphinx inventory from https://docs.pytest.org/en/stable/objects.inv...
loading intersphinx inventory from https://pytest-regressions.readthedocs.io/en/latest/objects.inv...
loading intersphinx inventory from https://importlib-metadata.readthedocs.io/en/latest/objects.inv...
loading intersphinx inventory from https://importlib-resources.readthedocs.io/en/latest/objects.inv...
loading intersphinx inventory from https://natsort.readthedocs.io/en/master/objects.inv...
loading intersphinx inventory from https://typing.readthedocs.io/en/latest/objects.inv...
intersphinx inventory has moved: https://www.sphinx-doc.org/en/stable/objects.inv -> https://www.sphinx-doc.org/en/master/objects.inv
building [mo]: targets for 0 po files that are out of date
writing output...
building [man]: all manpages
updating environment: [new config] 27 added, 1 changed, 0 removed
reading sources... [  3%] 404
reading sources... [  7%] Source
reading sources... [ 11%] api/bases
reading sources... [ 14%] api/compat
reading sources... [ 18%] api/dates
reading sources... [ 22%] api/delegators
reading sources... [ 25%] api/doctools
reading sources... [ 29%] api/getters
reading sources... [ 33%] api/import_tools
reading sources... [ 37%] api/iterative
reading sources... [ 40%] api/pagesizes/classes
reading sources... [ 44%] api/pagesizes/index
reading sources... [ 48%] api/pagesizes/sizes
reading sources... [ 51%] api/pagesizes/units
reading sources... [ 55%] api/pagesizes/utils
reading sources... [ 59%] api/paths
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reading sources... [ 66%] api/secrets
reading sources... [ 70%] api/stringlist
reading sources... [ 74%] api/terminal
reading sources... [ 77%] api/typing
reading sources... [ 81%] api/utils
reading sources... [ 85%] api/versions
reading sources... [ 88%] api/words
reading sources... [ 92%] contributing
reading sources... [ 96%] index
reading sources... [100%] license

/usr/lib/python3.8/site-packages/domdf_python_tools/doctools.py:docstring of domdf_python_tools.doctools:8: ERROR: Error in "autosummary-widths" directive:
maximum 2 argument(s) allowed, 3 supplied.

.. autosummary-widths:: 17/32
    :html: 4/10
/usr/lib/python3.8/site-packages/domdf_python_tools/secrets.py:docstring of domdf_python_tools.secrets.Secret:1: ERROR: Error in "autosummary-widths" directive:
maximum 2 argument(s) allowed, 3 supplied.

.. autosummary-widths:: 1/2
    :html: 2/10
WARNING: autodoc: failed to import function 'truncate_string' from module 'domdf_python_tools.words'; the following exception was raised:
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/sphinx/util/inspect.py", line 335, in safe_getattr
    return getattr(obj, name, *defargs)
AttributeError: module 'domdf_python_tools.words' has no attribute 'truncate_string'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/sphinx/ext/autodoc/importer.py", line 100, in import_object
    obj = attrgetter(obj, mangled_name)
  File "/usr/lib/python3.8/site-packages/sphinx/ext/autodoc/__init__.py", line 309, in get_attr
    return autodoc_attrgetter(self.env.app, obj, name, *defargs)
  File "/usr/lib/python3.8/site-packages/sphinx/ext/autodoc/__init__.py", line 2753, in autodoc_attrgetter
    return safe_getattr(obj, name, *defargs)
  File "/usr/lib/python3.8/site-packages/sphinx/util/inspect.py", line 351, in safe_getattr
    raise AttributeError(name) from exc
AttributeError: truncate_string

looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-domdf-python-tools.3 { api/bases api/compat api/dates api/delegators api/doctools api/getters api/import_tools api/iterative api/paths api/pretty_print api/secrets api/stringlist api/terminal api/typing api/utils api/versions api/words api/pagesizes/index api/pagesizes/classes api/pagesizes/sizes api/pagesizes/units api/pagesizes/utils contributing Source license } /usr/lib/python3.8/site-packages/domdf_python_tools/compat/__init__.py:docstring of domdf_python_tools.compat:1: WARNING: py:data reference target not found: domdf_python_tools.compat._T
/usr/lib/python3.8/site-packages/domdf_python_tools/compat/__init__.py:docstring of domdf_python_tools.compat:18: WARNING: py:data reference target not found: domdf_python_tools.compat._T
/usr/lib/python3.8/site-packages/domdf_python_tools/iterative.py:docstring of domdf_python_tools.iterative:1: WARNING: py:data reference target not found: domdf_python_tools.iterative._T
/usr/lib/python3.8/site-packages/domdf_python_tools/iterative.py:docstring of domdf_python_tools.iterative:1: WARNING: py:data reference target not found: domdf_python_tools.iterative._T
/usr/lib/python3.8/site-packages/domdf_python_tools/iterative.py:docstring of domdf_python_tools.iterative:1: WARNING: py:data reference target not found: domdf_python_tools.iterative._T
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failed

Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/sphinx/cmd/build.py", line 284, in build_main
    app.build(args.force_all, args.filenames)
  File "/usr/lib/python3.8/site-packages/sphinx/application.py", line 347, in build
    self.builder.build_update()
  File "/usr/lib/python3.8/site-packages/sphinx/builders/__init__.py", line 308, in build_update
    self.build(['__all__'], to_build)
  File "/usr/lib/python3.8/site-packages/sphinx/builders/__init__.py", line 377, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3.8/site-packages/sphinx/util/display.py", line 85, in wrapper
    return f(*args, **kwargs)
  File "/usr/lib/python3.8/site-packages/sphinx/builders/manpage.py", line 101, in write
    docwriter.write(largetree, destination)
  File "/usr/lib/python3.8/site-packages/docutils/writers/__init__.py", line 77, in write
    self.translate()
  File "/usr/lib/python3.8/site-packages/sphinx/writers/manpage.py", line 32, in translate
    visitor = self.builder.create_translator(self.document, self.builder)
  File "/usr/lib/python3.8/site-packages/sphinx/builders/__init__.py", line 137, in create_translator
    return self.app.registry.create_translator(self, *args)
  File "/usr/lib/python3.8/site-packages/sphinx/registry.py", line 356, in create_translator
    setattr(translator, 'visit_' + name, MethodType(visit, translator))
TypeError: first argument must be callable

Exception occurred:
  File "/usr/lib/python3.8/site-packages/sphinx/registry.py", line 356, in create_translator
    setattr(translator, 'visit_' + name, MethodType(visit, translator))
TypeError: first argument must be callable
The full traceback has been saved in /tmp/sphinx-err-rsd3t4zz.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!