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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:25:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:25:40 +0000
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downloadsphinx-cf7da1843c45a4c2df7a749f7886a2d2ba0ee92a.tar.xz
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Adding upstream version 7.2.6.upstream/7.2.6
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+.. _faq:
+
+Sphinx FAQ
+==========
+
+This is a list of Frequently Asked Questions about Sphinx. Feel free to
+suggest new entries!
+
+How do I...
+-----------
+
+... create PDF files without LaTeX?
+ `rinohtype`_ provides a PDF builder that can be used as a drop-in
+ replacement for the LaTeX builder.
+
+ .. _rinohtype: https://github.com/brechtm/rinohtype
+
+... get section numbers?
+ They are automatic in LaTeX output; for HTML, give a ``:numbered:`` option to
+ the :rst:dir:`toctree` directive where you want to start numbering.
+
+... customize the look of the built HTML files?
+ Use themes, see :doc:`/usage/theming`.
+
+... add global substitutions or includes?
+ Add them in the :confval:`rst_prolog` or :confval:`rst_epilog` config value.
+
+... display the whole TOC tree in the sidebar?
+ Use the :data:`toctree` callable in a custom layout template, probably in the
+ ``sidebartoc`` block.
+
+... write my own extension?
+ See the :doc:`/development/tutorials/index`.
+
+... convert from my existing docs using MoinMoin markup?
+ The easiest way is to convert to xhtml, then convert `xhtml to reST`_.
+ You'll still need to mark up classes and such, but the headings and code
+ examples come through cleanly.
+
+For many more extensions and other contributed stuff, see the sphinx-contrib_
+repository.
+
+.. _sphinx-contrib: https://github.com/sphinx-contrib/
+
+.. _usingwith:
+
+Using Sphinx with...
+--------------------
+
+Read the Docs
+ `Read the Docs <https://readthedocs.org>`_ is a documentation hosting
+ service based around Sphinx. They will host sphinx documentation, along
+ with supporting a number of other features including version support, PDF
+ generation, and more. The `Getting Started`_ guide is a good place to start.
+
+Epydoc
+ There's a third-party extension providing an `api role`_ which refers to
+ Epydoc's API docs for a given identifier.
+
+Doxygen
+ Michael Jones is developing a reST/Sphinx bridge to doxygen called `breathe
+ <https://github.com/michaeljones/breathe/tree/master>`_.
+
+SCons
+ Glenn Hutchings has written a SCons build script to build Sphinx
+ documentation; it is hosted here:
+ https://bitbucket-archive.softwareheritage.org/projects/zo/zondo/sphinx-scons.html
+
+PyPI
+ Jannis Leidel wrote a `setuptools command
+ <https://pypi.org/project/Sphinx-PyPI-upload/>`_ that automatically
+ uploads Sphinx documentation to the PyPI package documentation area at
+ https://pythonhosted.org/.
+
+GitHub Pages
+ Please add :py:mod:`sphinx.ext.githubpages` to your project. It allows you
+ to publish your document in GitHub Pages. It generates helper files for
+ GitHub Pages on building HTML document automatically.
+
+MediaWiki
+ See `sphinx-wiki`_, a project by Kevin Dunn.
+
+ .. _sphinx-wiki: https://bitbucket-archive.softwareheritage.org/projects/ke/kevindunn/sphinx-wiki.html
+
+Google Analytics
+ You can use a custom ``layout.html`` template, like this:
+
+ .. code-block:: html+jinja
+
+ {% extends "!layout.html" %}
+
+ {%- block extrahead %}
+ {{ super() }}
+ <script>
+ var _gaq = _gaq || [];
+ _gaq.push(['_setAccount', 'XXX account number XXX']);
+ _gaq.push(['_trackPageview']);
+ </script>
+ {% endblock %}
+
+ {% block footer %}
+ {{ super() }}
+ <div class="footer">This page uses <a href="https://analytics.google.com/">
+ Google Analytics</a> to collect statistics. You can disable it by blocking
+ the JavaScript coming from www.google-analytics.com.
+ <script>
+ (function() {
+ var ga = document.createElement('script');
+ ga.src = ('https:' == document.location.protocol ?
+ 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+ ga.setAttribute('async', 'true');
+ document.documentElement.firstChild.appendChild(ga);
+ })();
+ </script>
+ </div>
+ {% endblock %}
+
+
+Google Search
+ To replace Sphinx's built-in search function with Google Search, proceed as
+ follows:
+
+ 1. Go to https://cse.google.com/cse/all to create the Google Search code
+ snippet.
+
+ 2. Copy the code snippet and paste it into ``_templates/searchbox.html`` in
+ your Sphinx project:
+
+ .. code-block:: html+jinja
+
+ <div>
+ <h3>{{ _('Quick search') }}</h3>
+ <script>
+ (function() {
+ var cx = '......';
+ var gcse = document.createElement('script');
+ gcse.async = true;
+ gcse.src = 'https://cse.google.com/cse.js?cx=' + cx;
+ var s = document.getElementsByTagName('script')[0];
+ s.parentNode.insertBefore(gcse, s);
+ })();
+ </script>
+ <gcse:search></gcse:search>
+ </div>
+
+ 3. Add ``searchbox.html`` to the :confval:`html_sidebars` configuration value.
+
+.. _Getting Started: https://docs.readthedocs.io/en/stable/intro/getting-started-with-sphinx.html
+.. _api role: https://git.savannah.gnu.org/cgit/kenozooid.git/tree/doc/extapi.py
+.. _xhtml to reST: https://docutils.sourceforge.io/sandbox/xhtml2rest/xhtml2rest.py
+
+
+Sphinx vs. Docutils
+-------------------
+
+tl;dr: *docutils* converts reStructuredText to multiple output formats. Sphinx
+builds upon docutils to allow construction of cross-referenced and indexed
+bodies of documentation.
+
+`docutils`__ is a text processing system for converting plain text
+documentation into other, richer formats. As noted in the `docutils
+documentation`__, docutils uses *readers* to read a document, *parsers* for
+parsing plain text formats into an internal tree representation made up of
+different types of *nodes*, and *writers* to output this tree in various
+document formats. docutils provides parsers for one plain text format -
+`reStructuredText`__ - though other, *out-of-tree* parsers have been
+implemented including Sphinx's :doc:`Markdown parser </usage/markdown>`. On the
+other hand, it provides writers for many different formats including HTML,
+LaTeX, man pages, Open Document Format and XML.
+
+docutils exposes all of its functionality through a variety of `front-end
+tools`__, such as ``rst2html``, ``rst2odt`` and ``rst2xml``. Crucially though,
+all of these tools, and docutils itself, are concerned with individual
+documents. They don't support concepts such as cross-referencing, indexing of
+documents, or the construction of a document hierarchy (typically manifesting
+in a table of contents).
+
+Sphinx builds upon docutils by harnessing docutils' readers and parsers and
+providing its own :doc:`/usage/builders/index`. As a result, Sphinx wraps some
+of the *writers* provided by docutils. This allows Sphinx to provide many
+features that would simply not be possible with docutils, such as those
+outlined above.
+
+__ https://docutils.sourceforge.io/
+__ https://docutils.sourceforge.io/docs/dev/hacking.html
+__ https://docutils.sourceforge.io/rst.html
+__ https://docutils.sourceforge.io/docs/user/tools.html
+
+
+.. _epub-faq:
+
+Epub info
+---------
+
+The following list gives some hints for the creation of epub files:
+
+* Split the text into several files. The longer the individual HTML files are,
+ the longer it takes the ebook reader to render them. In extreme cases, the
+ rendering can take up to one minute.
+
+* Try to minimize the markup. This also pays in rendering time.
+
+* For some readers you can use embedded or external fonts using the CSS
+ ``@font-face`` directive. This is *extremely* useful for code listings which
+ are often cut at the right margin. The default Courier font (or variant) is
+ quite wide and you can only display up to 60 characters on a line. If you
+ replace it with a narrower font, you can get more characters on a line. You
+ may even use `FontForge <https://fontforge.github.io/>`_ and create
+ narrow variants of some free font. In my case I get up to 70 characters on a
+ line.
+
+ You may have to experiment a little until you get reasonable results.
+
+* Test the created epubs. You can use several alternatives. The ones I am aware
+ of are Epubcheck_, Calibre_, FBreader_ (although it does not render the CSS),
+ and Bookworm_. For Bookworm, you can download the source from
+ https://code.google.com/archive/p/threepress and run your own local server.
+
+* Large floating divs are not displayed properly.
+ If they cover more than one page, the div is only shown on the first page.
+ In that case you can copy the :file:`epub.css` from the
+ ``sphinx/themes/epub/static/`` directory to your local ``_static/``
+ directory and remove the float settings.
+
+* Files that are inserted outside of the ``toctree`` directive must be manually
+ included. This sometimes applies to appendixes, e.g. the glossary or
+ the indices. You can add them with the :confval:`epub_post_files` option.
+
+* The handling of the epub cover page differs from the reStructuredText
+ procedure which automatically resolves image paths and puts the images
+ into the ``_images`` directory. For the epub cover page put the image in the
+ :confval:`html_static_path` directory and reference it with its full path in
+ the :confval:`epub_cover` config option.
+
+* kindlegen_ command can convert from epub3 resulting file to ``.mobi`` file
+ for Kindle. You can get ``yourdoc.mobi`` under ``_build/epub`` after the
+ following command:
+
+ .. code-block:: bash
+
+ $ make epub
+ $ kindlegen _build/epub/yourdoc.epub
+
+ The kindlegen command doesn't accept documents that have section
+ titles surrounding ``toctree`` directive:
+
+ .. code-block:: rst
+
+ Section Title
+ =============
+
+ .. toctree::
+
+ subdocument
+
+ Section After Toc Tree
+ ======================
+
+ kindlegen assumes all documents order in line, but the resulting document
+ has complicated order for kindlegen::
+
+ ``parent.xhtml`` -> ``child.xhtml`` -> ``parent.xhtml``
+
+ If you get the following error, fix your document structure:
+
+ .. code-block:: none
+
+ Error(prcgen):E24011: TOC section scope is not included in the parent chapter:(title)
+ Error(prcgen):E24001: The table of content could not be built.
+
+.. _Epubcheck: https://github.com/IDPF/epubcheck
+.. _Calibre: https://calibre-ebook.com/
+.. _FBreader: https://fbreader.org/
+.. _Bookworm: https://www.oreilly.com/bookworm/index.html
+.. _kindlegen: https://www.amazon.com/gp/feature.html?docId=1000765211
+
+.. _texinfo-faq:
+
+Texinfo info
+------------
+
+There are two main programs for reading Info files, ``info`` and GNU Emacs. The
+``info`` program has less features but is available in most Unix environments
+and can be quickly accessed from the terminal. Emacs provides better font and
+color display and supports extensive customization (of course).
+
+.. _texinfo-links:
+
+Displaying Links
+~~~~~~~~~~~~~~~~
+
+One noticeable problem you may encounter with the generated Info files is how
+references are displayed. If you read the source of an Info file, a reference
+to this section would look like::
+
+ * note Displaying Links: target-id
+
+In the stand-alone reader, ``info``, references are displayed just as they
+appear in the source. Emacs, on the other-hand, will by default replace
+``*note:`` with ``see`` and hide the ``target-id``. For example:
+
+ :ref:`texinfo-links`
+
+One can disable generation of the inline references in a document
+with :confval:`texinfo_cross_references`. That makes
+an info file more readable with stand-alone reader (``info``).
+
+The exact behavior of how Emacs displays references is dependent on the variable
+``Info-hide-note-references``. If set to the value of ``hide``, Emacs will hide
+both the ``*note:`` part and the ``target-id``. This is generally the best way
+to view Sphinx-based documents since they often make frequent use of links and
+do not take this limitation into account. However, changing this variable
+affects how all Info documents are displayed and most do take this behavior
+into account.
+
+If you want Emacs to display Info files produced by Sphinx using the value
+``hide`` for ``Info-hide-note-references`` and the default value for all other
+Info files, try adding the following Emacs Lisp code to your start-up file,
+``~/.emacs.d/init.el``.
+
+.. code-block:: elisp
+
+ (defadvice info-insert-file-contents (after
+ sphinx-info-insert-file-contents
+ activate)
+ "Hack to make `Info-hide-note-references' buffer-local and
+ automatically set to `hide' iff it can be determined that this file
+ was created from a Texinfo file generated by Docutils or Sphinx."
+ (set (make-local-variable 'Info-hide-note-references)
+ (default-value 'Info-hide-note-references))
+ (save-excursion
+ (save-restriction
+ (widen) (goto-char (point-min))
+ (when (re-search-forward
+ "^Generated by \\(Sphinx\\|Docutils\\)"
+ (save-excursion (search-forward "\x1f" nil t)) t)
+ (set (make-local-variable 'Info-hide-note-references)
+ 'hide)))))
+
+
+Notes
+~~~~~
+
+The following notes may be helpful if you want to create Texinfo files:
+
+- Each section corresponds to a different ``node`` in the Info file.
+
+- Colons (``:``) cannot be properly escaped in menu entries and xrefs.
+ They will be replaced with semicolons (``;``).
+
+- Links to external Info files can be created using the somewhat official URI
+ scheme ``info``. For example::
+
+ info:Texinfo#makeinfo_options