Update sphinx to 2.1.2

[pyup-bot]

This PR updates sphinx from 2.0.1 to 2.1.2.

Changelog

2.1.2

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

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

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

Deprecated
----------

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

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

Testing
--------

2.1.1

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

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

* 6447: autodoc: Stop to generate document for undocumented module variables

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

* 6442: LaTeX: admonitions of :rst:dir:`note` type can get separated from
immediately preceding section title by pagebreak
* 6448: autodoc: crashed when autodocumenting classes with ``__slots__ = None``
* 6451: autodoc: generates docs for "optional import"ed modules as variables
* 6452: autosummary: crashed when generating document of properties
* 6455: napoleon: docstrings for properties are not processed
* 6436: napoleon: "Unknown target name" error if variable name ends with
underscore
* 6440: apidoc: missing blank lines between modules

2.1.0

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

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

* Ignore filenames without file extension given to ``Builder.build_specific()``
API directly
* 6230: The anchor of term in glossary directive is changed if it is consisted
by non-ASCII characters
* 4550: html: Centering tables by default using CSS
* 6239: latex: xelatex and xeCJK are used for Chinese documents by default
* ``Sphinx.add_lexer()`` now takes a Lexer class instead of instance.  An
instance of lexers are still supported until Sphinx-3.x.

Deprecated
----------

* ``sphinx.builders.latex.LaTeXBuilder.apply_transforms()``
* ``sphinx.builders._epub_base.EpubBuilder.esc()``
* ``sphinx.directives.Acks``
* ``sphinx.directives.Author``
* ``sphinx.directives.Centered``
* ``sphinx.directives.Class``
* ``sphinx.directives.CodeBlock``
* ``sphinx.directives.Figure``
* ``sphinx.directives.HList``
* ``sphinx.directives.Highlight``
* ``sphinx.directives.Include``
* ``sphinx.directives.Index``
* ``sphinx.directives.LiteralInclude``
* ``sphinx.directives.Meta``
* ``sphinx.directives.Only``
* ``sphinx.directives.SeeAlso``
* ``sphinx.directives.TabularColumns``
* ``sphinx.directives.TocTree``
* ``sphinx.directives.VersionChange``
* ``sphinx.domains.python.PyClassmember``
* ``sphinx.domains.python.PyModulelevel``
* ``sphinx.domains.std.StandardDomain._resolve_citation_xref()``
* ``sphinx.domains.std.StandardDomain.note_citations()``
* ``sphinx.domains.std.StandardDomain.note_citation_refs()``
* ``sphinx.domains.std.StandardDomain.note_labels()``
* ``sphinx.environment.NoUri``
* ``sphinx.ext.apidoc.format_directive()``
* ``sphinx.ext.apidoc.format_heading()``
* ``sphinx.ext.apidoc.makename()``
* ``sphinx.ext.autodoc.importer.MockFinder``
* ``sphinx.ext.autodoc.importer.MockLoader``
* ``sphinx.ext.autodoc.importer.mock()``
* ``sphinx.ext.autosummary.autolink_role()``
* ``sphinx.ext.imgmath.DOC_BODY``
* ``sphinx.ext.imgmath.DOC_BODY_PREVIEW``
* ``sphinx.ext.imgmath.DOC_HEAD``
* ``sphinx.transforms.CitationReferences``
* ``sphinx.transforms.SmartQuotesSkipper``
* ``sphinx.util.docfields.DocFieldTransformer.preprocess_fieldtypes()``
* ``sphinx.util.node.find_source_node()``
* ``sphinx.util.i18n.find_catalog()``
* ``sphinx.util.i18n.find_catalog_files()``
* ``sphinx.util.i18n.find_catalog_source_files()``

For more details, see :ref:`deprecation APIs list <dev-deprecated-apis>`.

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

* Add a helper class ``sphinx.transforms.post_transforms.SphinxPostTransform``
* Add helper methods

- ``PythonDomain.note_module()``
- ``PythonDomain.note_object()``
- ``SphinxDirective.set_source_info()``

* 6180: Support ``--keep-going`` with BuildDoc setup command
* ``math`` directive now supports ``:class:`` option
* 6310: imgmath: let :confval:`imgmath_use_preview` work also with the SVG
format for images rendering inline math
* todo: ``todo`` directive now supports ``:name:`` option
* Enable override via environment of ``SPHINXOPTS`` and ``SPHINXBUILD`` Makefile
variables (refs: 6232, 6303)
* 6287: autodoc: Unable to document bound instance methods exported as module
functions
* 6289: autodoc: :confval:`autodoc_default_options` now supports
``imported-members`` option
* 4777: autodoc: Support coroutine
* 744: autodoc: Support abstractmethod
* 6325: autodoc: Support attributes in __slots__.  For dict-style __slots__,
autodoc considers values as a docstring of the attribute
* 6361: autodoc: Add :confval:`autodoc_typehints` to suppress typehints from
signature
* 1063: autodoc: ``automodule`` directive now handles undocumented module level
variables
* 6212 autosummary: Add :confval:`autosummary_imported_members` to display
imported members on autosummary
* 6271: ``make clean`` is catastrophically broken if building into '.'
* 6363: Support ``%O%`` environment variable in make.bat
* 4777: py domain: Add ``:async:`` option to :rst:dir:`py:function` directive
* py domain: Add new options to :rst:dir:`py:method` directive

- ``:abstractmethod:``
- ``:async:``
- ``:classmethod:``
- ``:property:``
- ``:staticmethod:``

* rst domain: Add :rst:dir:`directive:option` directive to describe the option
for directive
* 6306: html: Add a label to search form for accessability purposes
* 4390: html: Consistent and semantic CSS for signatures
* 6358: The ``rawsource`` property of ``production`` nodes now contains the
full production rule
* 6373: autosectionlabel: Allow suppression of warnings
* coverage: Support a new ``coverage_ignore_pyobjects`` option
* 6239: latex: Support to build Chinese documents

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

* 6230: Inappropriate node_id has been generated by glossary directive if term
is consisted by non-ASCII characters
* 6213: ifconfig: contents after headings are not shown
* commented term in glossary directive is wrongly recognized
* 6299: rst domain: rst:directive directive generates waste space
* 6379: py domain: Module index (py-modindex.html) has duplicate titles
* 6331: man: invalid output when doctest follows rubric
* 6351: "Hyperlink target is not referenced" message is shown even if
referenced
* 6165: autodoc: ``tab_width`` setting of docutils has been ignored
* 6347: autodoc: crashes with a plain Tuple on Python 3.6 and 3.5
* 6311: autosummary: autosummary table gets confused by complex type hints
* 6350: autosummary: confused by an argument having some kind of default value
* Generated Makefiles lack a final EOL (refs: 6232)
* 6375: extlinks: Cannot escape angle brackets in link caption
* 6378: linkcheck: Send commonly used User-Agent
* 6387: html search: failed to search document with haiku and scrolls themes
* 6408: html search: Fix the ranking of search results
* 6406: Wrong year is returned for ``SOURCE_DATE_EPOCH``
* 6402: image directive crashes by unknown image format
* 6286: C++, allow 8 and 9 in hexadecimal integer literals.
* 6305: Fix the string in quickstart for 'path' argument of parser
* LaTeX: Figures in admonitions produced errors (refs: 6364)

Links

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

[coveralls]

Pull Request Test Coverage Report for Build 1150

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.275%

---

Totals
Change from base Build 1127:	0.0%
Covered Lines:	2191
Relevant Lines:	2207

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 1150

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.275%

---

Totals
Change from base Build 1127:	0.0%
Covered Lines:	2191
Relevant Lines:	2207

---

💛 - Coveralls

[pyup-bot]

Closing this in favor of #280