implement html_baseurl according to RTD guidance

Author: honzajavorek

conf.py

@@ -7,139 +7,104 @@
 # -- Environment -------------------------------------------------------------
 
 # Explicitly put the extensions directory to Python path
-sys.path.append(os.path.abspath('_extensions'))
+sys.path.append(os.path.abspath("_extensions"))
 
 
 # -- Project information -----------------------------------------------------
 
-project = 'Dokumentace české Python komunity'
-copyright = '2023, Pyvec, z.s.'
-author = 'Pyvec, z.s.'
+project = "Dokumentace české Python komunity"
+copyright = "2023, Pyvec, z.s."
+author = "Pyvec, z.s."
 
 # The short X.Y version
-version = ''
+version = ""
 # The full version, including alpha/beta/rc tags
-release = ''
+release = ""
 
 
 # -- General configuration ---------------------------------------------------
 
-# If your documentation needs a minimal Sphinx version, state it here.
-#
-# needs_sphinx = '1.0'
-
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.doctest',
-    'sphinx.ext.todo',
-    'sphinx.ext.githubpages',
-    'sphinxemoji.sphinxemoji',
-    'slack',
-    'twitter',
-    'gh_repo',
-    'myst_parser',
+    "sphinx.ext.doctest",
+    "sphinx.ext.todo",
+    "sphinx.ext.githubpages",
+    "sphinxemoji.sphinxemoji",
+    "slack",
+    "twitter",
+    "gh_repo",
+    "myst_parser",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = ['.rst', '.md']
+source_suffix = [".rst", ".md"]
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = 'cs'
+language = "cs"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path .
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', 'venv']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", "venv", ".venv"]
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'monokai'
+pygments_style = "monokai"
 
 
 # -- Options for HTML output -------------------------------------------------
 
+# Set canonical URL from the Read the Docs Domain
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'sphinx_rtd_theme'
-html_logo = '_static/images/org-i.svg'
-
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-#
-# html_theme_options = {}
+html_theme = "sphinx_rtd_theme"
+html_logo = "_static/images/org-i.svg"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
-
-# Custom sidebar templates, must be a dictionary that maps document names
-# to template names.
-#
-# The default sidebars (for documents that don't match any pattern) are
-# defined by theme itself.  Builtin themes are using these templates by
-# default: ``['localtoc.html', 'relations.html', 'sourcelink.html',
-# 'searchbox.html']``.
-#
-# html_sidebars = {}
+html_static_path = ["_static"]
 
 
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'pyvec-doc'
+htmlhelp_basename = "pyvec-doc"
 
 
 # -- Options for LaTeX output ------------------------------------------------
 
-latex_elements = {
-    # The paper size ('letterpaper' or 'a4paper').
-    #
-    # 'papersize': 'letterpaper',
-
-    # The font size ('10pt', '11pt' or '12pt').
-    #
-    # 'pointsize': '10pt',
-
-    # Additional stuff for the LaTeX preamble.
-    #
-    # 'preamble': '',
-
-    # Latex figure (float) alignment
-    #
-    # 'figure_align': 'htbp',
-}
+latex_elements = {}
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'pyvec.tex', project, author, 'manual'),
+    (master_doc, "pyvec.tex", project, author, "manual"),
 ]
 
 
 # -- Options for manual page output ------------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, 'pyvec', project, [author], 1)
-]
+man_pages = [(master_doc, "pyvec", project, [author], 1)]
 
 
 # -- Options for Texinfo output ----------------------------------------------
@@ -148,8 +113,7 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'pyvec', project, author, 'pyvec', project,
-     'Miscellaneous'),
+    (master_doc, "pyvec", project, author, "pyvec", project, "Miscellaneous"),
 ]
 
 
@@ -161,32 +125,19 @@
 epub_publisher = author
 epub_copyright = copyright
 
-# The unique identifier of the text. This can be a ISBN number
-# or the project homepage.
-#
-# epub_identifier = ''
-
-# A unique identification for the text.
-#
-# epub_uid = ''
-
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 
 # -- Extension configuration -------------------------------------------------
 
 linkcheck_ignore = [
-    r'http://127\.0\.0\.1:\d+',  # localhost
-    r'https://docs\.google\.com/.+',  # links to private documents
-
-    # crawling/DDoS protection
-    r'https://twitter\.com/.+',
-    r'https://(www\.)?buffer\.com.*',
-    r'https://www\.nytimes\.com/.*',
-
-    # see https://pyvec.slack.com/archives/C4PPZNPDK/p1617716799001200
-    r'https://cz\.pycon\.org/\d+/.+',
+    r"http://127\.0\.0\.1:\d+",  # localhost
+    r"https://docs\.google\.com/.+",  # links to private documents
+    r"https://twitter\.com/.+",  # crawling/DDoS protection
+    r"https://(www\.)?buffer\.com.*",  # crawling/DDoS protection
+    r"https://www\.nytimes\.com/.*",  # crawling/DDoS protection
+    r"https://cz\.pycon\.org/\d+/.+",  # see https://pyvec.slack.com/archives/C4PPZNPDK/p1617716799001200
 ]
 
 
@@ -199,11 +150,12 @@
 # -- Options for the emoji extension -----------------------------------------
 
 # Ensures consistent emoji style on all computers, operating systems, browsers
-sphinxemoji_style = 'twemoji'
+sphinxemoji_style = "twemoji"
 
 
 # -- Setting up extensions ---------------------------------------------------
 
+
 def setup(app):
-    app.add_css_file('custom.css')
-    app.add_js_file('redirect.js')
+    app.add_css_file("custom.css")
+    app.add_js_file("redirect.js")