Update sphinx to 4.1.0

[pyup-bot]

This PR updates Sphinx from 4.0.2 to 4.1.0.

Changelog

### 4.1.0 ``` ===================================== Dependencies ------------ * Support jinja2-3.0 Deprecated ---------- * The ``app`` argument of ``sphinx.environment.BuildEnvironment`` becomes required * ``sphinx.application.Sphinx.html_theme`` * ``sphinx.ext.autosummary._app`` * ``sphinx.util.docstrings.extract_metadata()`` Features added -------------- * 8107: autodoc: Add ``class-doc-from`` option to :rst:dir:`autoclass` directive to control the content of the specific class like :confval:`autoclass_content` * 8588: autodoc: :confval:`autodoc_type_aliases` now supports dotted name. It allows you to define an alias for a class with module name like ``foo.bar.BazClass`` * 9175: autodoc: Special member is not documented in the module * 9195: autodoc: The arguments of ``typing.Literal`` are wrongly rendered * 9185: autodoc: :confval:`autodoc_typehints` allows ``'both'`` setting to allow typehints to be included both in the signature and description * 4257: autodoc: Add :confval:`autodoc_class_signature` to separate the class entry and the definition of ``__init__()`` method * 8061, 9218: autodoc: Support variable comment for alias classes * 3014: autodoc: Add :event:`autodoc-process-bases` to modify the base classes of the class definitions * 9272: autodoc: Render enum values for the default argument value better * 9384: autodoc: ``autodoc_typehints='none'`` now erases typehints for variables, attributes and properties * 3257: autosummary: Support instance attributes for classes * 9358: html: Add "heading" role to the toctree items * 9225: html: Add span tag to the return typehint of method/function * 9129: html search: Show search summaries when html_copy_source = False * 9307: html search: Prevent corrections and completions in search field * 9120: html theme: Eliminate prompt characters of code-block from copyable text * 9176: i18n: Emit a debug message if message catalog file not found under :confval:`locale_dirs` * 9414: LaTeX: Add xeCJKVerbAddon to default fvset config for Chinese documents * 9016: linkcheck: Support checking anchors on github.com * 9016: linkcheck: Add a new event :event:`linkcheck-process-uri` to modify URIs before checking hyperlinks * 6525: linkcheck: Add :confval:`linkcheck_allowed_redirects` to mark hyperlinks that are redirected to expected URLs as "working" * 1874: py domain: Support union types using ``|`` in info-field-list * 9268: py domain: :confval:`python_use_unqualified_type_names` supports type field in info-field-list * 9097: Optimize the parallel build * 9131: Add :confval:`nitpick_ignore_regex` to ignore nitpicky warnings using regular expressions * 9174: Add ``Sphinx.set_html_assets_policy`` to tell extensions to include HTML assets in all the pages. Extensions can check this via ``Sphinx.registry.html_assets_policy`` * C++, add support for - ``inline`` variables, - ``consteval`` functions, - ``constinit`` variables, - ``char8_t``, - ``explicit(<constant expression>)`` specifier, - digit separators in literals, and - constraints in placeholder type specifiers, aka. adjective syntax (e.g., ``Sortable auto &v``). * C, add support for digit separators in literals. * 9166: LaTeX: support containers in LaTeX output Bugs fixed ---------- * 8872: autodoc: stacked singledispatches are wrongly rendered * 8597: autodoc: a docsting having metadata only should be treated as undocumented * 9185: autodoc: typehints for overloaded functions and methods are inaccurate * 9250: autodoc: The inherited method not having docstring is wrongly parsed * 9283: autodoc: autoattribute directive failed to generate document for an attribute not having any comment * 9364: autodoc: single element tuple on the default argument value is wrongly rendered * 9362: autodoc: AttributeError is raised on processing a subclass of Tuple[()] * 9404: autodoc: TypeError is raised on processing dict-like object (not a class) via autoclass directive * 9317: html: Pushing left key causes visiting the next page at the first page * 9381: html: URL for html_favicon and html_log does not work * 9270: html theme : pyramid theme generates incorrect logo links * 9217: manpage: The name of manpage directory that is generated by :confval:`man_make_section_directory` is not correct * 9350: manpage: Fix font isn't reset after keyword at the top of samp role * 9306: Linkcheck reports broken link when remote server closes the connection on HEAD request * 9280: py domain: "exceptions" module is not displayed * 9418: py domain: a Callable annotation with no parameters (e.g. ``Callable[[], None])`` will be rendered with a bracket missing (``Callable[], None]``) * 9319: quickstart: Make sphinx-quickstart exit when conf.py already exists * 9387: xml: XML Builder ignores custom visitors * 9224: ``:param:`` and ``:type:`` fields does not support a type containing whitespace (ex. ``Dict[str, str]``) * 8945: when transforming typed fields, call the specified role instead of making an single xref. For C and C++, use the ``expr`` role for typed fields. ``` ### 4.0.3 ``` ===================================== Features added -------------- * C, add C23 keywords ``_Decimal32``, ``_Decimal64``, and ``_Decimal128``. * 9354: C, add :confval:`c_extra_keywords` to allow user-defined keywords during parsing. * Revert the removal of ``sphinx.util:force_decode()`` to become some 3rd party extensions available again during 5.0 Bugs fixed ---------- * 9330: changeset domain: :rst:dir:`versionchanged` with contents being a list will cause error during pdf build * 9313: LaTeX: complex table with merged cells broken since 4.0 * 9305: LaTeX: backslash may cause Improper discretionary list pdf build error with Japanese engines * 9354: C, remove special macro names from the keyword list. See also :confval:`c_extra_keywords`. * 9322: KeyError is raised on PropagateDescDomain transform ```

Links

- PyPI: https://pypi.org/project/sphinx - Changelog: https://pyup.io/changelogs/sphinx/ - Homepage: https://sphinx-doc.org/

[pyup-bot]

Closing this in favor of #260