Update sphinx to 4.0.0

[pyup-bot]

This PR updates sphinx from 3.3.1 to 4.0.0.

Changelog

4.0.0

=====================================

Dependencies
------------

4.0.0b3

* 9167: html: Failed to add CSS files to the specific page

4.0.0b2

* C, C++, fix ``KeyError`` when an ``alias`` directive is the first C/C++
directive in a file with another C/C++ directive later.

4.0.0b1

* 8917: autodoc: Raises a warning if function has wrong __globals__ value
* 8415: autodoc: a TypeVar imported from other module is not resolved (in
Python 3.7 or above)
* 8992: autodoc: Failed to resolve types.TracebackType type annotation
* 8905: html: html_add_permalinks=None and html_add_permalinks="" are ignored
* 8380: html search: Paragraphs in search results are not identified as ``<p>``
* 8915: html theme: The translation of sphinx_rtd_theme does not work
* 8342: Emit a warning if a unknown domain is given for directive or role (ex.
``:unknown:doc:``)
* 7241: LaTeX: No wrapping for ``cpp:enumerator``
* 8711: LaTeX: backticks in code-blocks trigger latexpdf build warning (and font
change) with late TeXLive 2019
* 8253: LaTeX: Figures with no size defined get overscaled (compared to images
with size explicitly set in pixels) (fixed for ``'pdflatex'/'lualatex'`` only)
* 8881: LaTeX: The depth of bookmarks panel in PDF is not enough for navigation
* 8874: LaTeX: the fix to two minor Pygments LaTeXFormatter output issues ignore
Pygments style
* 8925: LaTeX: 3.5.0 ``verbatimmaxunderfull`` setting does not work as
expected
* 8980: LaTeX: missing line break in ``\pysigline``
* 8995: LaTeX: legacy ``\pysiglinewithargsret`` does not compute correctly
available  horizontal space and should use a ragged right style
* 9009: LaTeX: "release" value with underscore leads to invalid LaTeX
* 8911: C++: remove the longest matching prefix in
:confval:`cpp_index_common_prefix` instead of the first that matches.
* C, properly reject function declarations when a keyword is used
as parameter name.
* 8933: viewcode: Failed to create back-links on parallel build
* 8960: C and C++, fix rendering of (member) function pointer types in
function parameter lists.
* C++, fix linking of names in array declarators, pointer to member
(function) declarators, and in the argument to ``sizeof...``.
* C, fix linking of names in array declarators.

3.5.5

==============================

3.5.4

=====================================

Dependencies
------------

* 9071: Restrict docutils to 0.16

Bugs fixed
----------

* 9078: autodoc: Async staticmethods and classmethods are considered as non
async coroutine-functions with Python3.10
* 8870, 9001, 9051: html theme: The style are not applied with docutils-0.17

- toctree captions
- The content of ``sidebar`` directive
- figures

3.5.3

=====================================

Features added
--------------

* 8959: using UNIX path separator in image directive confuses Sphinx on Windows

3.5.2

=====================================

Bugs fixed
----------

* 8943: i18n: Crashed by broken translation messages in ES, EL and HR
* 8936: LaTeX: A custom LaTeX builder fails with unknown node error
* 8952: Exceptions raised in a Directive cause parallel builds to hang

3.5.1

=====================================

Bugs fixed
----------

* 8883: autodoc: AttributeError is raised on assigning __annotations__ on
read-only class
* 8884: html: minified js stemmers not included in the distributed package
* 8885: html: AttributeError is raised if CSS/JS files are installed via
:confval:`html_context`
* 8880: viewcode: ExtensionError is raised on incremental build after
unparsable python module found

3.5.0

=====================================

Dependencies
------------

* LaTeX: ``multicol`` (it is anyhow a required part of the official latex2e
base distribution)

Incompatible changes
--------------------

* Update Underscore.js to 1.12.0
* 6550: html: The config variable ``html_add_permalinks`` is replaced by
:confval:`html_permalinks` and :confval:`html_permalinks_icon`

Deprecated
----------

* pending_xref node for viewcode extension
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.anchors_ignore``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.auth``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.broken``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.good``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.redirected``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.rqueue``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.to_ignore``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.workers``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.wqueue``
* ``sphinx.builders.linkcheck.node_line_or_0()``
* ``sphinx.ext.autodoc.AttributeDocumenter.isinstanceattribute()``
* ``sphinx.ext.autodoc.directive.DocumenterBridge.reporter``
* ``sphinx.ext.autodoc.importer.get_module_members()``
* ``sphinx.ext.autosummary.generate._simple_info()``
* ``sphinx.ext.autosummary.generate._simple_warn()``
* ``sphinx.writers.html.HTMLTranslator.permalink_text``
* ``sphinx.writers.html5.HTML5Translator.permalink_text``

Features added
--------------

* 8022: autodoc: autodata and autoattribute directives does not show right-hand
value of the variable if docstring contains ``:meta hide-value:`` in
info-field-list
* 8514: autodoc: Default values of overloaded functions are taken from actual
implementation if they're ellipsis
* 8775: autodoc: Support type union operator (PEP-604) in Python 3.10 or above
* 8297: autodoc: Allow to extend :confval:`autodoc_default_options` via
directive options
* 759: autodoc: Add a new configuration :confval:`autodoc_preserve_defaults` as
an experimental feature.  It preserves the default argument values of
functions in source code and keep them not evaluated for readability.
* 8619: html: kbd role generates customizable HTML tags for compound keys
* 8634: html: Allow to change the order of JS/CSS via ``priority`` parameter
for :meth:`Sphinx.add_js_file()` and :meth:`Sphinx.add_css_file()`
* 6241: html: Allow to add JS/CSS files to the specific page when an extension
calls ``app.add_js_file()`` or ``app.add_css_file()`` on
:event:`html-page-context` event
* 6550: html: Allow to use HTML permalink texts via
:confval:`html_permalinks_icon`
* 1638: html: Add permalink icons to glossary terms
* 8868: html search: performance issue with massive lists
* 8867: html search: Update JavaScript stemmer code to the latest version of
Snowball (v2.1.0)
* 8852: i18n: Allow to translate heading syntax in MyST-Parser
* 8649: imgconverter: Skip availability check if builder supports the image
type
* 8573: napoleon: Allow to change the style of custom sections using
:confval:`napoleon_custom_styles`
* 8004: napoleon: Type definitions in Google style docstrings are rendered as
references when :confval:`napoleon_preprocess_types` enabled
* 6241: mathjax: Include mathjax.js only on the document using equations
* 8775: py domain: Support type union operator (PEP-604)
* 8651: std domain: cross-reference for a rubric having inline item is broken
* 7642: std domain: Optimize case-insensitive match of term
* 8681: viewcode: Support incremental build
* 8132: Add :confval:`project_copyright` as an alias of :confval:`copyright`
* 207: Now :confval:`highlight_language` supports multiple languages
* 2030: :rst:dir:`code-block` and :rst:dir:`literalinclude` supports automatic
dedent via no-argument ``:dedent:`` option
* C++, also hyperlink operator overloads in expressions and alias declarations.
* 8247: Allow production lists to refer to tokens from other production groups
* 8813: Show what extension (or module) caused it on errors on event handler
* 8213: C++: add ``maxdepth`` option to :rst:dir:`cpp:alias` to insert nested
declarations.
* C, add ``noroot`` option to :rst:dir:`c:alias` to render only nested
declarations.
* C++, add ``noroot`` option to :rst:dir:`cpp:alias` to render only nested
declarations.

Bugs fixed
----------

* 8727: apidoc: namespace module file is not generated if no submodules there
* 741: autodoc: inherited-members doesn't work for instance attributes on super
class
* 8592: autodoc: ``:meta public:`` does not effect to variables
* 8594: autodoc: empty __all__ attribute is ignored
* 8315: autodoc: Failed to resolve struct.Struct type annotation
* 8652: autodoc: All variable comments in the module are ignored if the module
contains invalid type comments
* 8693: autodoc: Default values for overloaded functions are rendered as string
* 8134: autodoc: crashes when mocked decorator takes arguments
* 8800: autodoc: Uninitialized attributes in superclass are recognized as
undocumented
* 8655: autodoc: Failed to generate document if target module contains an
object that raises an exception on ``hasattr()``
* 8306: autosummary: mocked modules are documented as empty page when using
:recursive: option
* 8232: graphviz: Image node is not rendered if graph file is in subdirectory
* 8618: html: kbd role produces incorrect HTML when compound-key separators (-,
+ or ^) are used as keystrokes
* 8629: html: A type warning for html_use_opensearch is shown twice
* 8714: html: kbd role with "Caps Lock" rendered incorrectly
* 8123: html search: fix searching for terms containing + (Requires a custom
search language that does not split on +)
* 8665: html theme: Could not override globaltoc_maxdepth in theme.conf
* 8446: html: consecutive spaces are displayed as single space
* 8745: i18n: crashes with KeyError when translation message adds a new auto
footnote reference
* 4304: linkcheck: Fix race condition that could lead to checking the
availability of the same URL twice
* 8791: linkcheck: The docname for each hyperlink is not displayed
* 7118: sphinx-quickstart: questionare got Mojibake if libreadline unavailable
* 8094: texinfo: image files on the different directory with document are not
copied
* 8782: todo: Cross references in todolist get broken
* 8720: viewcode: module pages are generated for epub on incremental build
* 8704: viewcode: anchors are generated in incremental build after singlehtml
* 8756: viewcode: highlighted code is generated even if not referenced
* 8671: :confval:`highlight_options` is not working
* 8341: C, fix intersphinx lookup types for names in declarations.
* C, C++: in general fix intersphinx and role lookup types.
* 8683: :confval:`html_last_updated_fmt` does not support UTC offset (%z)
* 8683: :confval:`html_last_updated_fmt` generates wrong time zone for %Z
* 1112: ``download`` role creates duplicated copies when relative path is
specified
* 2616 (fifth item): LaTeX: footnotes from captions are not clickable,
and for manually numbered footnotes only first one with same number is
an hyperlink
* 7576: LaTeX with French babel and memoir crash: "Illegal parameter number
in definition of ``\FNHprefntext``"
* 8055: LaTeX (docs): A potential display bug with the LaTeX generation step
in Sphinx (how to generate one-column index)
* 8072: LaTeX: Directive :rst:dir:`hlist` not implemented in LaTeX
* 8214: LaTeX: The :rst:role:`index` role and the glossary generate duplicate
entries in the LaTeX index (if both used for same term)
* 8735: LaTeX: wrong internal links in pdf to captioned code-blocks when
:confval:`numfig` is not True
* 8442: LaTeX: some indexed terms are ignored when using xelatex engine
(or pdflatex and :confval:`latex_use_xindy` set to True) with memoir class
* 8750: LaTeX: URLs as footnotes fail to show in PDF if originating from
inside function type signatures
* 8780: LaTeX: long words in narrow columns may not be hyphenated
* 8788: LaTeX: ``\titleformat`` last argument in sphinx.sty should be
bracketed, not braced (and is anyhow not needed) 
* 8849: LaTex: code-block printed out of margin (see the opt-in LaTeX syntax
boolean :ref:`verbatimforcewraps <latexsphinxsetupforcewraps>` for use via
the :ref:`'sphinxsetup' <latexsphinxsetup>` key of ``latex_elements``)
* 8183: LaTeX: Remove substitution_reference nodes from doctree only on LaTeX
builds
* 8865: LaTeX: Restructure the index nodes inside title nodes only on LaTeX
builds
* 8796: LaTeX: potentially critical low level TeX coding mistake has gone
unnoticed so far
* C, :rst:dir:`c:alias` skip symbols without explicit declarations
instead of crashing.
* C, :rst:dir:`c:alias` give a warning when the root symbol is not declared.
* C, ``expr`` role should start symbol lookup in the current scope.

3.4.3

=====================================

Bugs fixed
----------

* 8655: autodoc: Failed to generate document if target module contains an
object that raises an exception on ``hasattr()``

3.4.2

=====================================

Bugs fixed
----------

* 8164: autodoc: Classes that inherit mocked class are not documented
* 8602: autodoc: The ``autodoc-process-docstring`` event is emitted to the
non-datadescriptors unexpectedly
* 8616: autodoc: AttributeError is raised on non-class object is passed to
autoclass directive

3.4.1

=====================================

Bugs fixed
----------

* 8559: autodoc: AttributeError is raised when using forward-reference type
annotations
* 8568: autodoc: TypeError is raised on checking slots attribute
* 8567: autodoc: Instance attributes are incorrectly added to Parent class
* 8566: autodoc: The ``autodoc-process-docstring`` event is emitted to the
alias classes unexpectedly
* 8583: autodoc: Unnecessary object comparision via ``__eq__`` method
* 8565: linkcheck: Fix PriorityQueue crash when link tuples are not
comparable

3.4.0

=====================================

Incompatible changes
--------------------

* 8105: autodoc: the signature of class constructor will be shown for decorated
classes, not a signature of decorator

Deprecated
----------

* The ``follow_wrapped`` argument of ``sphinx.util.inspect.signature()``
* The ``no_docstring`` argument of
``sphinx.ext.autodoc.Documenter.add_content()``
* ``sphinx.ext.autodoc.Documenter.get_object_members()``
* ``sphinx.ext.autodoc.DataDeclarationDocumenter``
* ``sphinx.ext.autodoc.GenericAliasDocumenter``
* ``sphinx.ext.autodoc.InstanceAttributeDocumenter``
* ``sphinx.ext.autodoc.SlotsAttributeDocumenter``
* ``sphinx.ext.autodoc.TypeVarDocumenter``
* ``sphinx.ext.autodoc.importer._getannotations()``
* ``sphinx.ext.autodoc.importer._getmro()``
* ``sphinx.pycode.ModuleAnalyzer.parse()``
* ``sphinx.util.osutil.movefile()``
* ``sphinx.util.requests.is_ssl_error()``

Features added
--------------

* 8119: autodoc: Allow to determine whether a member not included in
``__all__`` attribute of the module should be documented or not via
:event:`autodoc-skip-member` event
* 8219: autodoc: Parameters for generic class are not shown when super class is
a generic class and show-inheritance option is given (in Python 3.7 or above)
* autodoc: Add ``Documenter.config`` as a shortcut to access the config object
* autodoc: Add Optional[t] to annotation of function and method if a default
value equal to None is set.
* 8209: autodoc: Add ``:no-value:`` option to :rst:dir:`autoattribute` and
:rst:dir:`autodata` directive to suppress the default value of the variable
* 8460: autodoc: Support custom types defined by typing.NewType
* 8285: napoleon: Add :confval:`napoleon_attr_annotations` to merge type hints
on source code automatically if any type is specified in docstring
* 8236: napoleon: Support numpydoc's "Receives" section
* 6914: Add a new event :event:`warn-missing-reference` to custom warning
messages when failed to resolve a cross-reference
* 6914: Emit a detailed warning when failed to resolve a ``:ref:`` reference
* 6629: linkcheck: The builder now handles rate limits. See
:confval:`linkcheck_retry_on_rate_limit` for details.

Bugs fixed
----------

* 7613: autodoc: autodoc does not respect __signature__ of the class
* 4606: autodoc: the location of the warning is incorrect for inherited method
* 8105: autodoc: the signature of class constructor is incorrect if the class
is decorated
* 8434: autodoc: :confval:`autodoc_type_aliases` does not effect to variables
and attributes
* 8443: autodoc: autodata directive can't create document for PEP-526 based
type annotated variables
* 8443: autodoc: autoattribute directive can't create document for PEP-526
based uninitalized variables
* 8480: autodoc: autoattribute could not create document for __slots__
attributes
* 8503: autodoc: autoattribute could not create document for a GenericAlias as
class attributes correctly
* 8534: autodoc: autoattribute could not create document for a commented
attribute in alias class
* 8452: autodoc: autodoc_type_aliases doesn't work when autodoc_typehints is
set to "description"
* 8541: autodoc: autodoc_type_aliases doesn't work for the type annotation to
instance attributes
* 8460: autodoc: autodata and autoattribute directives do not display type
information of TypeVars
* 8493: autodoc: references to builtins not working in class aliases
* 8522: autodoc:  ``__bool__`` method could be called
* 8067: autodoc: A typehint for the instance variable having type_comment on
super class is not displayed
* 8545: autodoc: a __slots__ attribute is not documented even having docstring
* 741: autodoc: inherited-members doesn't work for instance attributes on super
class
* 8477: autosummary: non utf-8 reST files are generated when template contains
multibyte characters
* 8501: autosummary: summary extraction splits text after "el at." unexpectedly
* 8524: html: Wrong url_root has been generated on a document named "index"
* 8419: html search: Do not load ``language_data.js`` in non-search pages
* 8549: i18n: ``-D gettext_compact=0`` is no longer working
* 8454: graphviz: The layout option for graph and digraph directives don't work
* 8131: linkcheck: Use GET when HEAD requests cause Too Many Redirects, to
accommodate infinite redirect loops on HEAD
* 8437: Makefile: ``make clean`` with empty BUILDDIR is dangerous
* 8365: py domain: ``:type:`` and ``:rtype:`` gives false ambiguous class
lookup warnings
* 8352: std domain: Failed to parse an option that starts with bracket
* 8519: LaTeX: Prevent page brake in the middle of a seealso
* 8520: C, fix copying of AliasNode.

Links

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

[coveralls]

Coverage remained the same at 100.0% when pulling a42095d on pyup-update-sphinx-3.3.1-to-4.0.0 into 4a6f224 on master.

[pyup-bot]

Closing this in favor of #55