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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00

docs: conf.py: several coding style fixes

conf.py is missing a SPDX header and doesn't really have
a proper python coding style. It also has an obsolete
commented LaTeX syntax that doesn't work anymore.

Clean it up a little bit with some help from autolints
and manual adjustments.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/063c106d96e86ca30c3266f7819f30b7247881ed.1750571906.git.mchehab+huawei@kernel.org
This commit is contained in:
Mauro Carvalho Chehab 2025-06-22 08:02:43 +02:00 committed by Jonathan Corbet
parent 9322af5e65
commit 7ea9a550f7

View File

@ -1,24 +1,28 @@
# -*- coding: utf-8 -*-
#
# The Linux Kernel documentation build configuration file, created by
# sphinx-quickstart on Fri Feb 12 13:51:46 2016.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
# SPDX-License-Identifier: GPL-2.0-only
# pylint: disable=C0103,C0209
"""
The Linux Kernel documentation build configuration file.
"""
import sys
import os
import sphinx
import shutil
import sys
import sphinx
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
sys.path.insert(0, os.path.abspath("sphinx"))
from load_config import loadConfig # pylint: disable=C0413,E0401
# Minimal supported version
needs_sphinx = "3.4.3"
# Get Sphinx version
major, minor, patch = sphinx.version_info[:3]
major, minor, patch = sphinx.version_info[:3] # pylint: disable=I1101
# Include_patterns were added on Sphinx 5.1
if (major < 5) or (major == 5 and minor < 1):
@ -26,23 +30,22 @@ if (major < 5) or (major == 5 and minor < 1):
else:
has_include_patterns = True
# Include patterns that don't contain directory names, in glob format
include_patterns = ['**.rst']
include_patterns = ["**.rst"]
# Location of Documentation/ directory
doctree = os.path.abspath('.')
doctree = os.path.abspath(".")
# Exclude of patterns that don't contain directory names, in glob format.
exclude_patterns = []
# List of patterns that contain directory names in glob format.
dyn_include_patterns = []
dyn_exclude_patterns = ['output']
dyn_exclude_patterns = ["output"]
# Properly handle include/exclude patterns
# ----------------------------------------
def update_patterns(app, config):
"""
On Sphinx, all directories are relative to what it is passed as
SOURCEDIR parameter for sphinx-build. Due to that, all patterns
@ -53,15 +56,12 @@ def update_patterns(app, config):
exclude relative patterns that start with "../".
"""
sourcedir = app.srcdir # full path to the source directory
builddir = os.environ.get("BUILDDIR")
# setup include_patterns dynamically
if has_include_patterns:
for p in dyn_include_patterns:
full = os.path.join(doctree, p)
rel_path = os.path.relpath(full, start = app.srcdir)
rel_path = os.path.relpath(full, start=app.srcdir)
if rel_path.startswith("../"):
continue
@ -71,15 +71,17 @@ def update_patterns(app, config):
for p in dyn_exclude_patterns:
full = os.path.join(doctree, p)
rel_path = os.path.relpath(full, start = app.srcdir)
rel_path = os.path.relpath(full, start=app.srcdir)
if rel_path.startswith("../"):
continue
config.exclude_patterns.append(rel_path)
# helper
# ------
def have_command(cmd):
"""Search ``cmd`` in the ``PATH`` environment.
@ -88,24 +90,23 @@ def have_command(cmd):
"""
return shutil.which(cmd) is not None
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
sys.path.insert(0, os.path.abspath('sphinx'))
from load_config import loadConfig
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
needs_sphinx = '3.4.3'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
'kfigure', 'sphinx.ext.ifconfig', 'automarkup',
'maintainers_include', 'sphinx.ext.autosectionlabel',
'kernel_abi', 'kernel_feat', 'translations']
# Add any Sphinx extensions in alphabetic order
extensions = [
"automarkup",
"kernel_abi",
"kerneldoc",
"kernel_feat",
"kernel_include",
"kfigure",
"maintainers_include",
"rstFlatTable",
"sphinx.ext.autosectionlabel",
"sphinx.ext.ifconfig",
"translations",
]
# Since Sphinx version 3, the C function parser is more pedantic with regards
# to type checking. Due to that, having macros at c:function cause problems.
@ -180,28 +181,28 @@ autosectionlabel_maxdepth = 2
# Load math renderer:
# For html builder, load imgmath only when its dependencies are met.
# mathjax is the default math renderer since Sphinx 1.8.
have_latex = have_command('latex')
have_dvipng = have_command('dvipng')
have_latex = have_command("latex")
have_dvipng = have_command("dvipng")
load_imgmath = have_latex and have_dvipng
# Respect SPHINX_IMGMATH (for html docs only)
if 'SPHINX_IMGMATH' in os.environ:
env_sphinx_imgmath = os.environ['SPHINX_IMGMATH']
if 'yes' in env_sphinx_imgmath:
if "SPHINX_IMGMATH" in os.environ:
env_sphinx_imgmath = os.environ["SPHINX_IMGMATH"]
if "yes" in env_sphinx_imgmath:
load_imgmath = True
elif 'no' in env_sphinx_imgmath:
elif "no" in env_sphinx_imgmath:
load_imgmath = False
else:
sys.stderr.write("Unknown env SPHINX_IMGMATH=%s ignored.\n" % env_sphinx_imgmath)
if load_imgmath:
extensions.append("sphinx.ext.imgmath")
math_renderer = 'imgmath'
math_renderer = "imgmath"
else:
math_renderer = 'mathjax'
math_renderer = "mathjax"
# Add any paths that contain templates here, relative to this directory.
templates_path = ['sphinx/templates']
templates_path = ["sphinx/templates"]
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
@ -209,15 +210,15 @@ templates_path = ['sphinx/templates']
source_suffix = '.rst'
# The encoding of source files.
#source_encoding = 'utf-8-sig'
# source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = 'index'
master_doc = "index"
# General information about the project.
project = 'The Linux Kernel'
copyright = 'The kernel development community'
author = 'The kernel development community'
project = "The Linux Kernel"
copyright = "The kernel development community" # pylint: disable=W0622
author = "The kernel development community"
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
@ -232,82 +233,86 @@ author = 'The kernel development community'
try:
makefile_version = None
makefile_patchlevel = None
for line in open('../Makefile'):
key, val = [x.strip() for x in line.split('=', 2)]
if key == 'VERSION':
with open("../Makefile", encoding="utf=8") as fp:
for line in fp:
key, val = [x.strip() for x in line.split("=", 2)]
if key == "VERSION":
makefile_version = val
elif key == 'PATCHLEVEL':
elif key == "PATCHLEVEL":
makefile_patchlevel = val
if makefile_version and makefile_patchlevel:
break
except:
except Exception:
pass
finally:
if makefile_version and makefile_patchlevel:
version = release = makefile_version + '.' + makefile_patchlevel
version = release = makefile_version + "." + makefile_patchlevel
else:
version = release = "unknown version"
#
# HACK: there seems to be no easy way for us to get at the version and
# release information passed in from the makefile...so go pawing through the
# command-line options and find it for ourselves.
#
def get_cline_version():
c_version = c_release = ''
"""
HACK: There seems to be no easy way for us to get at the version and
release information passed in from the makefile...so go pawing through the
command-line options and find it for ourselves.
"""
c_version = c_release = ""
for arg in sys.argv:
if arg.startswith('version='):
if arg.startswith("version="):
c_version = arg[8:]
elif arg.startswith('release='):
elif arg.startswith("release="):
c_release = arg[8:]
if c_version:
if c_release:
return c_version + '-' + c_release
return c_version + "-" + c_release
return c_version
return version # Whatever we came up with before
# 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 = 'en'
language = "en"
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'
# today_fmt = '%B %d, %Y'
# The reST default role (used for this markup: `text`) to use for all
# documents.
#default_role = None
# default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True
# add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True
# add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False
# show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
pygments_style = "sphinx"
# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []
# modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents.
#keep_warnings = False
# keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
primary_domain = 'c'
highlight_language = 'none'
primary_domain = "c"
highlight_language = "none"
# -- Options for HTML output ----------------------------------------------
@ -315,43 +320,45 @@ highlight_language = 'none'
# a list of builtin themes.
# Default theme
html_theme = 'alabaster'
html_theme = "alabaster"
html_css_files = []
if "DOCS_THEME" in os.environ:
html_theme = os.environ["DOCS_THEME"]
if html_theme == 'sphinx_rtd_theme' or html_theme == 'sphinx_rtd_dark_mode':
if html_theme in ["sphinx_rtd_theme", "sphinx_rtd_dark_mode"]:
# Read the Docs theme
try:
import sphinx_rtd_theme
html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
# 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_css_files = [
'theme_overrides.css',
"theme_overrides.css",
]
# Read the Docs dark mode override theme
if html_theme == 'sphinx_rtd_dark_mode':
if html_theme == "sphinx_rtd_dark_mode":
try:
import sphinx_rtd_dark_mode
extensions.append('sphinx_rtd_dark_mode')
except ImportError:
html_theme == 'sphinx_rtd_theme'
import sphinx_rtd_dark_mode # pylint: disable=W0611
if html_theme == 'sphinx_rtd_theme':
extensions.append("sphinx_rtd_dark_mode")
except ImportError:
html_theme = "sphinx_rtd_theme"
if html_theme == "sphinx_rtd_theme":
# Add color-specific RTD normal mode
html_css_files.append('theme_rtd_colors.css')
html_css_files.append("theme_rtd_colors.css")
html_theme_options = {
'navigation_depth': -1,
"navigation_depth": -1,
}
except ImportError:
html_theme = 'alabaster'
html_theme = "alabaster"
if "DOCS_CSS" in os.environ:
css = os.environ["DOCS_CSS"].split(" ")
@ -359,14 +366,14 @@ if "DOCS_CSS" in os.environ:
for l in css:
html_css_files.append(l)
if html_theme == 'alabaster':
if html_theme == "alabaster":
html_theme_options = {
'description': get_cline_version(),
'page_width': '65em',
'sidebar_width': '15em',
'fixed_sidebar': 'true',
'font_size': 'inherit',
'font_family': 'serif',
"description": get_cline_version(),
"page_width": "65em",
"sidebar_width": "15em",
"fixed_sidebar": "true",
"font_size": "inherit",
"font_family": "serif",
}
sys.stderr.write("Using %s theme\n" % html_theme)
@ -374,104 +381,79 @@ sys.stderr.write("Using %s theme\n" % html_theme)
# 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 = ['sphinx-static']
html_static_path = ["sphinx-static"]
# If true, Docutils "smart quotes" will be used to convert quotes and dashes
# to typographically correct entities. However, conversion of "--" to "—"
# is not always what we want, so enable only quotes.
smartquotes_action = 'q'
smartquotes_action = "q"
# Custom sidebar templates, maps document names to template names.
# Note that the RTD theme ignores this
html_sidebars = { '**': ['searchbox.html', 'kernel-toc.html', 'sourcelink.html']}
html_sidebars = {"**": ["searchbox.html",
"kernel-toc.html",
"sourcelink.html"]}
# about.html is available for alabaster theme. Add it at the front.
if html_theme == 'alabaster':
html_sidebars['**'].insert(0, 'about.html')
if html_theme == "alabaster":
html_sidebars["**"].insert(0, "about.html")
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = 'images/logo.svg'
html_logo = "images/logo.svg"
# Output file base name for HTML help builder.
htmlhelp_basename = 'TheLinuxKerneldoc'
htmlhelp_basename = "TheLinuxKerneldoc"
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
'papersize': 'a4paper',
"papersize": "a4paper",
# The font size ('10pt', '11pt' or '12pt').
'pointsize': '11pt',
"pointsize": "11pt",
# Latex figure (float) alignment
#'figure_align': 'htbp',
# 'figure_align': 'htbp',
# Don't mangle with UTF-8 chars
'inputenc': '',
'utf8extra': '',
"inputenc": "",
"utf8extra": "",
# Set document margins
'sphinxsetup': '''
"sphinxsetup": """
hmargin=0.5in, vmargin=1in,
parsedliteralwraps=true,
verbatimhintsturnover=false,
''',
""",
#
# Some of our authors are fond of deep nesting; tell latex to
# cope.
#
'maxlistdepth': '10',
"maxlistdepth": "10",
# For CJK One-half spacing, need to be in front of hyperref
'extrapackages': r'\usepackage{setspace}',
"extrapackages": r"\usepackage{setspace}",
# Additional stuff for the LaTeX preamble.
'preamble': '''
"preamble": """
% Use some font with UTF-8 support with XeLaTeX
\\usepackage{fontspec}
\\setsansfont{DejaVu Sans}
\\setromanfont{DejaVu Serif}
\\setmonofont{DejaVu Sans Mono}
''',
""",
}
# Load kerneldoc specific LaTeX settings
latex_elements['preamble'] += '''
latex_elements["preamble"] += """
% Load kerneldoc specific LaTeX settings
\\input{kerneldoc-preamble.sty}
'''
# With Sphinx 1.6, it is possible to change the Bg color directly
# by using:
# \definecolor{sphinxnoteBgColor}{RGB}{204,255,255}
# \definecolor{sphinxwarningBgColor}{RGB}{255,204,204}
# \definecolor{sphinxattentionBgColor}{RGB}{255,255,204}
# \definecolor{sphinximportantBgColor}{RGB}{192,255,204}
#
# However, it require to use sphinx heavy box with:
#
# \renewenvironment{sphinxlightbox} {%
# \\begin{sphinxheavybox}
# }
# \\end{sphinxheavybox}
# }
#
# Unfortunately, the implementation is buggy: if a note is inside a
# table, it isn't displayed well. So, for now, let's use boring
# black and white notes.
"""
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
# Sorted in alphabetical order
latex_documents = [
]
latex_documents = []
# Add all other index files from Documentation/ subdirectories
for fn in os.listdir('.'):
for fn in os.listdir("."):
doc = os.path.join(fn, "index")
if os.path.exists(doc + ".rst"):
has = False
@ -480,34 +462,39 @@ for fn in os.listdir('.'):
has = True
break
if not has:
latex_documents.append((doc, fn + '.tex',
'Linux %s Documentation' % fn.capitalize(),
'The kernel development community',
'manual'))
latex_documents.append(
(
doc,
fn + ".tex",
"Linux %s Documentation" % fn.capitalize(),
"The kernel development community",
"manual",
)
)
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
# latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
# latex_use_parts = False
# If true, show page references after internal links.
#latex_show_pagerefs = False
# latex_show_pagerefs = False
# If true, show URL addresses after external links.
#latex_show_urls = False
# latex_show_urls = False
# Documents to append as an appendix to all manuals.
#latex_appendices = []
# latex_appendices = []
# If false, no module index is generated.
#latex_domain_indices = True
# latex_domain_indices = True
# Additional LaTeX stuff to be copied to build directory
latex_additional_files = [
'sphinx/kerneldoc-preamble.sty',
"sphinx/kerneldoc-preamble.sty",
]
@ -516,12 +503,11 @@ latex_additional_files = [
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'thelinuxkernel', 'The Linux Kernel Documentation',
[author], 1)
(master_doc, "thelinuxkernel", "The Linux Kernel Documentation", [author], 1)
]
# If true, show URL addresses after external links.
#man_show_urls = False
# man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
@ -529,11 +515,15 @@ man_pages = [
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(master_doc, 'TheLinuxKernel', 'The Linux Kernel Documentation',
author, 'TheLinuxKernel', 'One line description of project.',
'Miscellaneous'),
]
texinfo_documents = [(
master_doc,
"TheLinuxKernel",
"The Linux Kernel Documentation",
author,
"TheLinuxKernel",
"One line description of project.",
"Miscellaneous",
),]
# -- Options for Epub output ----------------------------------------------
@ -544,9 +534,9 @@ epub_publisher = author
epub_copyright = copyright
# A list of files that should not be packed into the epub file.
epub_exclude_files = ['search.html']
epub_exclude_files = ["search.html"]
#=======
# =======
# rst2pdf
#
# Grouping the document tree into PDF files. List of tuples
@ -558,14 +548,14 @@ epub_exclude_files = ['search.html']
# multiple PDF files here actually tries to get the cross-referencing right
# *between* PDF files.
pdf_documents = [
('kernel-documentation', u'Kernel', u'Kernel', u'J. Random Bozo'),
("kernel-documentation", "Kernel", "Kernel", "J. Random Bozo"),
]
# kernel-doc extension configuration for running Sphinx directly (e.g. by Read
# the Docs). In a normal build, these are supplied from the Makefile via command
# line arguments.
kerneldoc_bin = '../scripts/kernel-doc.py'
kerneldoc_srctree = '..'
kerneldoc_bin = "../scripts/kernel-doc.py"
kerneldoc_srctree = ".."
# ------------------------------------------------------------------------------
# Since loadConfig overwrites settings from the global namespace, it has to be
@ -573,5 +563,8 @@ kerneldoc_srctree = '..'
# ------------------------------------------------------------------------------
loadConfig(globals())
def setup(app):
"""Patterns need to be updated at init time on older Sphinx versions"""
app.connect('config-inited', update_patterns)