"""
The Linux Kernel documentation build configuration file. """
import os 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] # pylint: disable=I1101
# Include_patterns were added on Sphinx 5.1 if (major < 5) or (major == 5 and minor < 1):
has_include_patterns = False else:
has_include_patterns = True # Include patterns that don't contain directory names, in glob format
include_patterns = ["**.rst"]
# Location of Documentation/ directory
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"]
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
that have directory names on it need to be dynamically set, after
converting them to a relative patch.
As Sphinx doesn't include any patterns outside SOURCEDIR, we should
exclude relative patterns that start with"../". """
# 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) if rel_path.startswith("../"): continue
config.include_patterns.append(rel_path)
# setup exclude_patterns dynamically for p in dyn_exclude_patterns:
full = os.path.join(doctree, p)
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.
If found, returnTrue. Ifnot found, returnFalse. """ return shutil.which(cmd) isnotNone
# -- General configuration ------------------------------------------------
# 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. # Those needed to be escaped by using c_id_attributes[] array
c_id_attributes = [ # GCC Compiler types not parsed by Sphinx: "__restrict__",
# Ensure that autosectionlabel will produce unique names
autosectionlabel_prefix_document = True
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")
load_imgmath = have_latex and have_dvipng
if load_imgmath:
extensions.append("sphinx.ext.imgmath")
math_renderer = "imgmath" else:
math_renderer = "mathjax"
# Add any paths that contain templates here, relative to this directory.
templates_path = ["sphinx/templates"]
# The suffix(es) of source filenames. # You can specify multiple suffix as a list of string: # source_suffix = ['.rst', '.md']
source_suffix = '.rst'
# The encoding of source files. # source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = "index"
# General information about the project.
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 # built documents. # # In a normal build, version and release are are set to KERNELVERSION and # KERNELRELEASE, respectively, from the Makefile via Sphinx command line # arguments. # # The following code tries to extract the information by reading the Makefile, # when Sphinx is run directly (e.g. by Read the Docs). try:
makefile_version = None
makefile_patchlevel = None 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":
makefile_patchlevel = val if makefile_version and makefile_patchlevel: break except Exception: pass finally: if makefile_version and makefile_patchlevel:
version = release = makefile_version + "." + makefile_patchlevel else:
version = release = "unknown version"
def get_cline_version(): """
HACK: There seems to be no easy way for us to get at the version and
release information passed infrom 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="):
c_version = arg[8:] elif arg.startswith("release="):
c_release = arg[8:] if c_version: if 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"
# There are two options for replacing |today|: either, you set today to some # non-false value, then it is used: # today = '' # Else, today_fmt is used as the format for a strftime call. # today_fmt = '%B %d, %Y'
# The reST default role (used for this markup: `text`) to use for all # documents. # default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text. # 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
# If true, sectionauthor and moduleauthor directives will be shown in the # output. They are ignored by default. # show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = "sphinx"
# A list of ignored prefixes for module index sorting. # modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents. # keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
primary_domain = "c"
highlight_language = "none"
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for # a list of builtin themes.
# 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",
]
# Read the Docs dark mode override theme if html_theme == "sphinx_rtd_dark_mode": try: import sphinx_rtd_dark_mode # pylint: disable=W0611
# 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"]
# 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"
# 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"]}
# about.html is available for alabaster theme. Add it at the front. 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"
# Output file base name for HTML help builder.
htmlhelp_basename = "TheLinuxKerneldoc"
# -- Options for LaTeX output ---------------------------------------------
latex_elements = { # The paper size ('letterpaper' or 'a4paper'). "papersize": "a4paper", # The font size ('10pt', '11pt' or '12pt'). "pointsize": "11pt", # Latex figure (float) alignment # 'figure_align': 'htbp', # Don't mangle with UTF-8 chars "inputenc": "", "utf8extra": "", # Set document margins "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", # For CJK One-half spacing, need to be in front of hyperref "extrapackages": r"\usepackage{setspace}", # Additional stuff for the LaTeX 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"] += """
% Load kerneldoc specific LaTeX settings
\\input{kerneldoc-preamble.sty} """
# 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 = []
# Add all other index files from Documentation/ subdirectories for fn in os.listdir("."):
doc = os.path.join(fn, "index") if os.path.exists(doc + ".rst"):
has = False for l in latex_documents: if l[0] == doc:
has = True break ifnot has:
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
# For "manual" documents, if this is true, then toplevel headings are parts, # not chapters. # latex_use_parts = False
# If true, show page references after internal links. # latex_show_pagerefs = False
# If true, show URL addresses after external links. # latex_show_urls = False
# Documents to append as an appendix to all manuals. # latex_appendices = []
# If false, no module index is generated. # latex_domain_indices = True
# Additional LaTeX stuff to be copied to build directory
latex_additional_files = [ "sphinx/kerneldoc-preamble.sty",
]
# -- 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, "thelinuxkernel", "The Linux Kernel Documentation", [author], 1)
]
# If true, show URL addresses after external links. # man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
# 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",
),]
# -- Options for Epub output ----------------------------------------------
# A list of files that should not be packed into the epub file.
epub_exclude_files = ["search.html"]
# ======= # rst2pdf # # Grouping the document tree into PDF files. List of tuples # (source start file, target name, title, author, options). # # See the Sphinx chapter of https://ralsina.me/static/manual.pdf # # FIXME: Do not add the index file here; the result will be too big. Adding # multiple PDF files here actually tries to get the cross-referencing right # *between* PDF files.
pdf_documents = [
("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 = ".."
# ------------------------------------------------------------------------------ # Since loadConfig overwrites settings from the global namespace, it has to be # the last statement in the conf.py file # ------------------------------------------------------------------------------
loadConfig(globals())
def setup(app): """Patterns need to be updated at init time on older Sphinx versions"""
app.connect('config-inited', update_patterns)
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