.DEFAULT:
$(warning The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed and in PATH, or set the SPHINXBUILD make variable to point to the full path of the '$(SPHINXBUILD)' executable.)
@echo
- @$(srctree)/scripts/sphinx-pre-install.pl
+ @$(srctree)/scripts/sphinx-pre-install
@echo " SKIP Sphinx $@ target."
else # HAVE_SPHINX
htmldocs texinfodocs latexdocs epubdocs xmldocs: $(YNL_INDEX)
htmldocs:
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
# If Rust support is available and .config exists, add rustdoc generated contents.
endif
texinfodocs:
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,texinfo,$(var),texinfo,$(var)))
# Note: the 'info' Make target is generated by sphinx itself when
@$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var)))
latexdocs:
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var)))
ifeq ($(HAVE_PDFLATEX),0)
pdfdocs: DENY_VF = XDG_CONFIG_HOME=$(FONTS_CONF_DENY_VF)
pdfdocs: latexdocs
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
$(foreach var,$(SPHINXDIRS), \
$(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" $(DENY_VF) -C $(BUILDDIR)/$(var)/latex || sh $(srctree)/scripts/check-variable-fonts.sh || exit; \
mkdir -p $(BUILDDIR)/$(var)/pdf; \
endif # HAVE_PDFLATEX
epubdocs:
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
xmldocs:
- @$(srctree)/scripts/sphinx-pre-install.pl --version-check
+ @$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var)))
endif # HAVE_SPHINX
--- /dev/null
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2017-2025 Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+#
+# pylint: disable=C0103,C0114,C0115,C0116,C0301,C0302
+# pylint: disable=R0902,R0904,R0911,R0912,R0914,R0915,R1705,R1710,E1121
+
+# Note: this script requires at least Python 3.6 to run.
+# Don't add changes not compatible with it, it is meant to report
+# incompatible python versions.
+
+"""
+Dependency checker for Sphinx documentation Kernel build.
+
+This module provides tools to check for all required dependencies needed to
+build documentation using Sphinx, including system packages, Python modules
+and LaTeX packages for PDF generation.
+
+It detect packages for a subset of Linux distributions used by Kernel
+maintainers, showing hints and missing dependencies.
+
+The main class SphinxDependencyChecker handles the dependency checking logic
+and provides recommendations for installing missing packages. It supports both
+system package installations and Python virtual environments. By default,
+system pacage install is recommended.
+"""
+
+import argparse
+import os
+import re
+import subprocess
+import sys
+from glob import glob
+
+
+def parse_version(version):
+ """Convert a major.minor.patch version into a tuple"""
+ return tuple(int(x) for x in version.split("."))
+
+
+def ver_str(version):
+ """Returns a version tuple as major.minor.patch"""
+
+ return ".".join([str(x) for x in version])
+
+
+RECOMMENDED_VERSION = parse_version("3.4.3")
+MIN_PYTHON_VERSION = parse_version("3.7")
+
+
+class DepManager:
+ """
+ Manage package dependencies. There are three types of dependencies:
+
+ - System: dependencies required for docs build;
+ - Python: python dependencies for a native distro Sphinx install;
+ - PDF: dependencies needed by PDF builds.
+
+ Each dependency can be mandatory or optional. Not installing an optional
+ dependency won't break the build, but will cause degradation at the
+ docs output.
+ """
+
+ # Internal types of dependencies. Don't use them outside DepManager class.
+ _SYS_TYPE = 0
+ _PHY_TYPE = 1
+ _PDF_TYPE = 2
+
+ # Dependencies visible outside the class.
+ # The keys are tuple with: (type, is_mandatory flag).
+ #
+ # Currently we're not using all optional dep types. Yet, we'll keep all
+ # possible combinations here. They're not many, and that makes easier
+ # if later needed and for the name() method below
+
+ SYSTEM_MANDATORY = (_SYS_TYPE, True)
+ PYTHON_MANDATORY = (_PHY_TYPE, True)
+ PDF_MANDATORY = (_PDF_TYPE, True)
+
+ SYSTEM_OPTIONAL = (_SYS_TYPE, False)
+ PYTHON_OPTIONAL = (_PHY_TYPE, False)
+ PDF_OPTIONAL = (_PDF_TYPE, True)
+
+ def __init__(self, pdf):
+ """
+ Initialize internal vars:
+
+ - missing: missing dependencies list, containing a distro-independent
+ name for a missing dependency and its type.
+ - missing_pkg: ancillary dict containing missing dependencies in
+ distro namespace, organized by type.
+ - need: total number of needed dependencies. Never cleaned.
+ - optional: total number of optional dependencies. Never cleaned.
+ - pdf: Is PDF support enabled?
+ """
+ self.missing = {}
+ self.missing_pkg = {}
+ self.need = 0
+ self.optional = 0
+ self.pdf = pdf
+
+ @staticmethod
+ def name(dtype):
+ """
+ Ancillary routine to output a warn/error message reporting
+ missing dependencies.
+ """
+ if dtype[0] == DepManager._SYS_TYPE:
+ msg = "build"
+ elif dtype[0] == DepManager._PHY_TYPE:
+ msg = "Python"
+ else:
+ msg = "PDF"
+
+ if dtype[1]:
+ return f"ERROR: {msg} mandatory deps missing"
+ else:
+ return f"Warning: {msg} optional deps missing"
+
+ @staticmethod
+ def is_optional(dtype):
+ """Ancillary routine to report if a dependency is optional"""
+ return not dtype[1]
+
+ @staticmethod
+ def is_pdf(dtype):
+ """Ancillary routine to report if a dependency is for PDF generation"""
+ if dtype[0] == DepManager._PDF_TYPE:
+ return True
+
+ return False
+
+ def add_package(self, package, dtype):
+ """
+ Add a package at the self.missing() dictionary.
+ Doesn't update missing_pkg.
+ """
+ is_optional = DepManager.is_optional(dtype)
+ self.missing[package] = dtype
+ if is_optional:
+ self.optional += 1
+ else:
+ self.need += 1
+
+ def del_package(self, package):
+ """
+ Remove a package at the self.missing() dictionary.
+ Doesn't update missing_pkg.
+ """
+ if package in self.missing:
+ del self.missing[package]
+
+ def clear_deps(self):
+ """
+ Clear dependencies without changing needed/optional.
+
+ This is an ackward way to have a separate section to recommend
+ a package after system main dependencies.
+
+ TODO: rework the logic to prevent needing it.
+ """
+
+ self.missing = {}
+ self.missing_pkg = {}
+
+ def check_missing(self, progs):
+ """
+ Update self.missing_pkg, using progs dict to convert from the
+ agnostic package name to distro-specific one.
+
+ Returns an string with the packages to be installed, sorted and
+ with eventual duplicates removed.
+ """
+
+ self.missing_pkg = {}
+
+ for prog, dtype in sorted(self.missing.items()):
+ # At least on some LTS distros like CentOS 7, texlive doesn't
+ # provide all packages we need. When such distros are
+ # detected, we have to disable PDF output.
+ #
+ # So, we need to ignore the packages that distros would
+ # need for LaTeX to work
+ if DepManager.is_pdf(dtype) and not self.pdf:
+ self.optional -= 1
+ continue
+
+ if not dtype in self.missing_pkg:
+ self.missing_pkg[dtype] = []
+
+ self.missing_pkg[dtype].append(progs.get(prog, prog))
+
+ install = []
+ for dtype, pkgs in self.missing_pkg.items():
+ install += pkgs
+
+ return " ".join(sorted(set(install)))
+
+ def warn_install(self):
+ """
+ Emit warnings/errors related to missing packages.
+ """
+
+ output_msg = ""
+
+ for dtype in sorted(self.missing_pkg.keys()):
+ progs = " ".join(sorted(set(self.missing_pkg[dtype])))
+
+ try:
+ name = DepManager.name(dtype)
+ output_msg += f'{name}:\t{progs}\n'
+ except KeyError:
+ raise KeyError(f"ERROR!!!: invalid dtype for {progs}: {dtype}")
+
+ if output_msg:
+ print(f"\n{output_msg}")
+
+class AncillaryMethods:
+ """
+ Ancillary methods that checks for missing dependencies for different
+ types of types, like binaries, python modules, rpm deps, etc.
+ """
+
+ @staticmethod
+ def which(prog):
+ """
+ Our own implementation of which(). We could instead use
+ shutil.which(), but this function is simple enough.
+ Probably faster to use this implementation than to import shutil.
+ """
+ for path in os.environ.get("PATH", "").split(":"):
+ full_path = os.path.join(path, prog)
+ if os.access(full_path, os.X_OK):
+ return full_path
+
+ return None
+
+ @staticmethod
+ def get_python_version(cmd):
+ """
+ Get python version from a Python binary. As we need to detect if
+ are out there newer python binaries, we can't rely on sys.release here.
+ """
+
+ result = SphinxDependencyChecker.run([cmd, "--version"],
+ capture_output=True, text=True)
+ version = result.stdout.strip()
+
+ match = re.search(r"(\d+\.\d+\.\d+)", version)
+ if match:
+ return parse_version(match.group(1))
+
+ print(f"Can't parse version {version}")
+ return (0, 0, 0)
+
+ @staticmethod
+ def find_python():
+ """
+ Detect if are out there any python 3.xy version newer than the
+ current one.
+
+ Note: this routine is limited to up to 2 digits for python3. We
+ may need to update it one day, hopefully on a distant future.
+ """
+ patterns = [
+ "python3.[0-9]",
+ "python3.[0-9][0-9]",
+ ]
+
+ # Seek for a python binary newer than MIN_PYTHON_VERSION
+ for path in os.getenv("PATH", "").split(":"):
+ for pattern in patterns:
+ for cmd in glob(os.path.join(path, pattern)):
+ if os.path.isfile(cmd) and os.access(cmd, os.X_OK):
+ version = SphinxDependencyChecker.get_python_version(cmd)
+ if version >= MIN_PYTHON_VERSION:
+ return cmd
+
+ @staticmethod
+ def check_python():
+ """
+ Check if the current python binary satisfies our minimal requirement
+ for Sphinx build. If not, re-run with a newer version if found.
+ """
+ cur_ver = sys.version_info[:3]
+ if cur_ver >= MIN_PYTHON_VERSION:
+ ver = ver_str(cur_ver)
+ print(f"Python version: {ver}")
+
+ # This could be useful for debugging purposes
+ if SphinxDependencyChecker.which("docutils"):
+ result = SphinxDependencyChecker.run(["docutils", "--version"],
+ capture_output=True, text=True)
+ ver = result.stdout.strip()
+ match = re.search(r"(\d+\.\d+\.\d+)", ver)
+ if match:
+ ver = match.group(1)
+
+ print(f"Docutils version: {ver}")
+
+ return
+
+ python_ver = ver_str(cur_ver)
+
+ new_python_cmd = SphinxDependencyChecker.find_python()
+ if not new_python_cmd:
+ print(f"ERROR: Python version {python_ver} is not spported anymore\n")
+ print(" Can't find a new version. This script may fail")
+ return
+
+ # Restart script using the newer version
+ script_path = os.path.abspath(sys.argv[0])
+ args = [new_python_cmd, script_path] + sys.argv[1:]
+
+ print(f"Python {python_ver} not supported. Changing to {new_python_cmd}")
+
+ try:
+ os.execv(new_python_cmd, args)
+ except OSError as e:
+ sys.exit(f"Failed to restart with {new_python_cmd}: {e}")
+
+ @staticmethod
+ def run(*args, **kwargs):
+ """
+ Excecute a command, hiding its output by default.
+ Preserve comatibility with older Python versions.
+ """
+
+ capture_output = kwargs.pop('capture_output', False)
+
+ if capture_output:
+ if 'stdout' not in kwargs:
+ kwargs['stdout'] = subprocess.PIPE
+ if 'stderr' not in kwargs:
+ kwargs['stderr'] = subprocess.PIPE
+ else:
+ if 'stdout' not in kwargs:
+ kwargs['stdout'] = subprocess.DEVNULL
+ if 'stderr' not in kwargs:
+ kwargs['stderr'] = subprocess.DEVNULL
+
+ # Don't break with older Python versions
+ if 'text' in kwargs and sys.version_info < (3, 7):
+ kwargs['universal_newlines'] = kwargs.pop('text')
+
+ return subprocess.run(*args, **kwargs)
+
+class MissingCheckers(AncillaryMethods):
+ """
+ Contains some ancillary checkers for different types of binaries and
+ package managers.
+ """
+
+ def __init__(self, args, texlive):
+ """
+ Initialize its internal variables
+ """
+ self.pdf = args.pdf
+ self.virtualenv = args.virtualenv
+ self.version_check = args.version_check
+ self.texlive = texlive
+
+ self.min_version = (0, 0, 0)
+ self.cur_version = (0, 0, 0)
+
+ self.deps = DepManager(self.pdf)
+
+ self.need_symlink = 0
+ self.need_sphinx = 0
+
+ self.verbose_warn_install = 1
+
+ self.virtenv_dir = ""
+ self.install = ""
+ self.python_cmd = ""
+
+ self.virtenv_prefix = ["sphinx_", "Sphinx_" ]
+
+ def check_missing_file(self, files, package, dtype):
+ """
+ Does the file exists? If not, add it to missing dependencies.
+ """
+ for f in files:
+ if os.path.exists(f):
+ return
+ self.deps.add_package(package, dtype)
+
+ def check_program(self, prog, dtype):
+ """
+ Does the program exists and it is at the PATH?
+ If not, add it to missing dependencies.
+ """
+ found = self.which(prog)
+ if found:
+ return found
+
+ self.deps.add_package(prog, dtype)
+
+ return None
+
+ def check_perl_module(self, prog, dtype):
+ """
+ Does perl have a dependency? Is it available?
+ If not, add it to missing dependencies.
+
+ Right now, we still need Perl for doc build, as it is required
+ by some tools called at docs or kernel build time, like:
+
+ scripts/documentation-file-ref-check
+
+ Also, checkpatch is on Perl.
+ """
+
+ # While testing with lxc download template, one of the
+ # distros (Oracle) didn't have perl - nor even an option to install
+ # before installing oraclelinux-release-el9 package.
+ #
+ # Check it before running an error. If perl is not there,
+ # add it as a mandatory package, as some parts of the doc builder
+ # needs it.
+ if not self.which("perl"):
+ self.deps.add_package("perl", DepManager.SYSTEM_MANDATORY)
+ self.deps.add_package(prog, dtype)
+ return
+
+ try:
+ self.run(["perl", f"-M{prog}", "-e", "1"], check=True)
+ except subprocess.CalledProcessError:
+ self.deps.add_package(prog, dtype)
+
+ def check_python_module(self, module, is_optional=False):
+ """
+ Does a python module exists outside venv? If not, add it to missing
+ dependencies.
+ """
+ if is_optional:
+ dtype = DepManager.PYTHON_OPTIONAL
+ else:
+ dtype = DepManager.PYTHON_MANDATORY
+
+ try:
+ self.run([self.python_cmd, "-c", f"import {module}"], check=True)
+ except subprocess.CalledProcessError:
+ self.deps.add_package(module, dtype)
+
+ def check_rpm_missing(self, pkgs, dtype):
+ """
+ Does a rpm package exists? If not, add it to missing dependencies.
+ """
+ for prog in pkgs:
+ try:
+ self.run(["rpm", "-q", prog], check=True)
+ except subprocess.CalledProcessError:
+ self.deps.add_package(prog, dtype)
+
+ def check_pacman_missing(self, pkgs, dtype):
+ """
+ Does a pacman package exists? If not, add it to missing dependencies.
+ """
+ for prog in pkgs:
+ try:
+ self.run(["pacman", "-Q", prog], check=True)
+ except subprocess.CalledProcessError:
+ self.deps.add_package(prog, dtype)
+
+ def check_missing_tex(self, is_optional=False):
+ """
+ Does a LaTeX package exists? If not, add it to missing dependencies.
+ """
+ if is_optional:
+ dtype = DepManager.PDF_OPTIONAL
+ else:
+ dtype = DepManager.PDF_MANDATORY
+
+ kpsewhich = self.which("kpsewhich")
+ for prog, package in self.texlive.items():
+
+ # If kpsewhich is not there, just add it to deps
+ if not kpsewhich:
+ self.deps.add_package(package, dtype)
+ continue
+
+ # Check if the package is needed
+ try:
+ result = self.run(
+ [kpsewhich, prog], stdout=subprocess.PIPE, text=True, check=True
+ )
+
+ # Didn't find. Add it
+ if not result.stdout.strip():
+ self.deps.add_package(package, dtype)
+
+ except subprocess.CalledProcessError:
+ # kpsewhich returned an error. Add it, just in case
+ self.deps.add_package(package, dtype)
+
+ def get_sphinx_fname(self):
+ """
+ Gets the binary filename for sphinx-build.
+ """
+ if "SPHINXBUILD" in os.environ:
+ return os.environ["SPHINXBUILD"]
+
+ fname = "sphinx-build"
+ if self.which(fname):
+ return fname
+
+ fname = "sphinx-build-3"
+ if self.which(fname):
+ self.need_symlink = 1
+ return fname
+
+ return ""
+
+ def get_sphinx_version(self, cmd):
+ """
+ Gets sphinx-build version.
+ """
+ try:
+ result = self.run([cmd, "--version"],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.STDOUT,
+ text=True, check=True)
+ except (subprocess.CalledProcessError, FileNotFoundError):
+ return None
+
+ for line in result.stdout.split("\n"):
+ match = re.match(r"^sphinx-build\s+([\d\.]+)(?:\+(?:/[\da-f]+)|b\d+)?\s*$", line)
+ if match:
+ return parse_version(match.group(1))
+
+ match = re.match(r"^Sphinx.*\s+([\d\.]+)\s*$", line)
+ if match:
+ return parse_version(match.group(1))
+
+ def check_sphinx(self, conf):
+ """
+ Checks Sphinx minimal requirements
+ """
+ try:
+ with open(conf, "r", encoding="utf-8") as f:
+ for line in f:
+ match = re.match(r"^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]", line)
+ if match:
+ self.min_version = parse_version(match.group(1))
+ break
+ except IOError:
+ sys.exit(f"Can't open {conf}")
+
+ if not self.min_version:
+ sys.exit(f"Can't get needs_sphinx version from {conf}")
+
+ self.virtenv_dir = self.virtenv_prefix[0] + "latest"
+
+ sphinx = self.get_sphinx_fname()
+ if not sphinx:
+ self.need_sphinx = 1
+ return
+
+ self.cur_version = self.get_sphinx_version(sphinx)
+ if not self.cur_version:
+ sys.exit(f"{sphinx} didn't return its version")
+
+ if self.cur_version < self.min_version:
+ curver = ver_str(self.cur_version)
+ minver = ver_str(self.min_version)
+
+ print(f"ERROR: Sphinx version is {curver}. It should be >= {minver}")
+ self.need_sphinx = 1
+ return
+
+ # On version check mode, just assume Sphinx has all mandatory deps
+ if self.version_check and self.cur_version >= RECOMMENDED_VERSION:
+ sys.exit(0)
+
+ def catcheck(self, filename):
+ """
+ Reads a file if it exists, returning as string.
+ If not found, returns an empty string.
+ """
+ if os.path.exists(filename):
+ with open(filename, "r", encoding="utf-8") as f:
+ return f.read().strip()
+ return ""
+
+ def get_system_release(self):
+ """
+ Determine the system type. There's no unique way that would work
+ with all distros with a minimal package install. So, several
+ methods are used here.
+
+ By default, it will use lsb_release function. If not available, it will
+ fail back to reading the known different places where the distro name
+ is stored.
+
+ Several modern distros now have /etc/os-release, which usually have
+ a decent coverage.
+ """
+
+ system_release = ""
+
+ if self.which("lsb_release"):
+ result = self.run(["lsb_release", "-d"], capture_output=True, text=True)
+ system_release = result.stdout.replace("Description:", "").strip()
+
+ release_files = [
+ "/etc/system-release",
+ "/etc/redhat-release",
+ "/etc/lsb-release",
+ "/etc/gentoo-release",
+ ]
+
+ if not system_release:
+ for f in release_files:
+ system_release = self.catcheck(f)
+ if system_release:
+ break
+
+ # This seems more common than LSB these days
+ if not system_release:
+ os_var = {}
+ try:
+ with open("/etc/os-release", "r", encoding="utf-8") as f:
+ for line in f:
+ match = re.match(r"^([\w\d\_]+)=\"?([^\"]*)\"?\n", line)
+ if match:
+ os_var[match.group(1)] = match.group(2)
+
+ system_release = os_var.get("NAME", "")
+ if "VERSION_ID" in os_var:
+ system_release += " " + os_var["VERSION_ID"]
+ elif "VERSION" in os_var:
+ system_release += " " + os_var["VERSION"]
+ except IOError:
+ pass
+
+ if not system_release:
+ system_release = self.catcheck("/etc/issue")
+
+ system_release = system_release.strip()
+
+ return system_release
+
+class SphinxDependencyChecker(MissingCheckers):
+ """
+ Main class for checking Sphinx documentation build dependencies.
+
+ - Check for missing system packages;
+ - Check for missing Python modules;
+ - Check for missing LaTeX packages needed by PDF generation;
+ - Propose Sphinx install via Python Virtual environment;
+ - Propose Sphinx install via distro-specific package install.
+ """
+ def __init__(self, args):
+ """Initialize checker variables"""
+
+ # List of required texlive packages on Fedora and OpenSuse
+ texlive = {
+ "amsfonts.sty": "texlive-amsfonts",
+ "amsmath.sty": "texlive-amsmath",
+ "amssymb.sty": "texlive-amsfonts",
+ "amsthm.sty": "texlive-amscls",
+ "anyfontsize.sty": "texlive-anyfontsize",
+ "atbegshi.sty": "texlive-oberdiek",
+ "bm.sty": "texlive-tools",
+ "capt-of.sty": "texlive-capt-of",
+ "cmap.sty": "texlive-cmap",
+ "ctexhook.sty": "texlive-ctex",
+ "ecrm1000.tfm": "texlive-ec",
+ "eqparbox.sty": "texlive-eqparbox",
+ "eu1enc.def": "texlive-euenc",
+ "fancybox.sty": "texlive-fancybox",
+ "fancyvrb.sty": "texlive-fancyvrb",
+ "float.sty": "texlive-float",
+ "fncychap.sty": "texlive-fncychap",
+ "footnote.sty": "texlive-mdwtools",
+ "framed.sty": "texlive-framed",
+ "luatex85.sty": "texlive-luatex85",
+ "multirow.sty": "texlive-multirow",
+ "needspace.sty": "texlive-needspace",
+ "palatino.sty": "texlive-psnfss",
+ "parskip.sty": "texlive-parskip",
+ "polyglossia.sty": "texlive-polyglossia",
+ "tabulary.sty": "texlive-tabulary",
+ "threeparttable.sty": "texlive-threeparttable",
+ "titlesec.sty": "texlive-titlesec",
+ "ucs.sty": "texlive-ucs",
+ "upquote.sty": "texlive-upquote",
+ "wrapfig.sty": "texlive-wrapfig",
+ }
+
+ super().__init__(args, texlive)
+
+ self.need_pip = 0
+ self.rec_sphinx_upgrade = 0
+
+ self.system_release = self.get_system_release()
+ self.activate_cmd = ""
+
+ # Some distros may not have a Sphinx shipped package compatible with
+ # our minimal requirements
+ self.package_supported = True
+
+ # Recommend a new python version
+ self.recommend_python = None
+
+ # Certain hints are meant to be shown only once
+ self.distro_msg = None
+
+ self.latest_avail_ver = (0, 0, 0)
+ self.venv_ver = (0, 0, 0)
+
+ prefix = os.environ.get("srctree", ".") + "/"
+
+ self.conf = prefix + "Documentation/conf.py"
+ self.requirement_file = prefix + "Documentation/sphinx/requirements.txt"
+
+ def get_install_progs(self, progs, cmd, extra=None):
+ """
+ Check for missing dependencies using the provided program mapping.
+
+ The actual distro-specific programs are mapped via progs argument.
+ """
+ install = self.deps.check_missing(progs)
+
+ if self.verbose_warn_install:
+ self.deps.warn_install()
+
+ if not install:
+ return
+
+ if cmd:
+ if self.verbose_warn_install:
+ msg = "You should run:"
+ else:
+ msg = ""
+
+ if extra:
+ msg += "\n\t" + extra.replace("\n", "\n\t")
+
+ return(msg + "\n\tsudo " + cmd + " " + install)
+
+ return None
+
+ #
+ # Distro-specific hints methods
+ #
+
+ def give_debian_hints(self):
+ """
+ Provide package installation hints for Debian-based distros.
+ """
+ progs = {
+ "Pod::Usage": "perl-modules",
+ "convert": "imagemagick",
+ "dot": "graphviz",
+ "ensurepip": "python3-venv",
+ "python-sphinx": "python3-sphinx",
+ "rsvg-convert": "librsvg2-bin",
+ "virtualenv": "virtualenv",
+ "xelatex": "texlive-xetex",
+ "yaml": "python3-yaml",
+ }
+
+ if self.pdf:
+ pdf_pkgs = {
+ "texlive-lang-chinese": [
+ "/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty",
+ ],
+ "fonts-dejavu": [
+ "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
+ ],
+ "fonts-noto-cjk": [
+ "/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc",
+ ],
+ }
+
+ for package, files in pdf_pkgs.items():
+ self.check_missing_file(files, package, DepManager.PDF_MANDATORY)
+
+ self.check_program("dvipng", DepManager.PDF_MANDATORY)
+
+ return self.get_install_progs(progs, "apt-get install")
+
+ def give_redhat_hints(self):
+ """
+ Provide package installation hints for RedHat-based distros
+ (Fedora, RHEL and RHEL-based variants).
+ """
+ progs = {
+ "Pod::Usage": "perl-Pod-Usage",
+ "convert": "ImageMagick",
+ "dot": "graphviz",
+ "python-sphinx": "python3-sphinx",
+ "rsvg-convert": "librsvg2-tools",
+ "virtualenv": "python3-virtualenv",
+ "xelatex": "texlive-xetex-bin",
+ "yaml": "python3-pyyaml",
+ }
+
+ fedora_tex_pkgs = [
+ "dejavu-sans-fonts",
+ "dejavu-sans-mono-fonts",
+ "dejavu-serif-fonts",
+ "texlive-collection-fontsrecommended",
+ "texlive-collection-latex",
+ "texlive-xecjk",
+ ]
+
+ fedora = False
+ rel = None
+
+ match = re.search(r"(release|Linux)\s+(\d+)", self.system_release)
+ if match:
+ rel = int(match.group(2))
+
+ if not rel:
+ print("Couldn't identify release number")
+ noto_sans_redhat = None
+ self.pdf = False
+ elif re.search("Fedora", self.system_release):
+ # Fedora 38 and upper use this CJK font
+
+ noto_sans_redhat = "google-noto-sans-cjk-fonts"
+ fedora = True
+ else:
+ # Almalinux, CentOS, RHEL, ...
+
+ # at least up to version 9 (and Fedora < 38), that's the CJK font
+ noto_sans_redhat = "google-noto-sans-cjk-ttc-fonts"
+
+ progs["virtualenv"] = "python-virtualenv"
+
+ if not rel or rel < 8:
+ print("ERROR: Distro not supported. Too old?")
+ return
+
+ # RHEL 8 uses Python 3.6, which is not compatible with
+ # the build system anymore. Suggest Python 3.11
+ if rel == 8:
+ self.deps.add_package("python39", DepManager.SYSTEM_MANDATORY)
+ self.recommend_python = True
+
+ if not self.distro_msg:
+ self.distro_msg = \
+ "Note: RHEL-based distros typically require extra repositories.\n" \
+ "For most, enabling epel and crb are enough:\n" \
+ "\tsudo dnf install -y epel-release\n" \
+ "\tsudo dnf config-manager --set-enabled crb\n" \
+ "Yet, some may have other required repositories. Those commands could be useful:\n" \
+ "\tsudo dnf repolist all\n" \
+ "\tsudo dnf repoquery --available --info <pkgs>\n" \
+ "\tsudo dnf config-manager --set-enabled '*' # enable all - probably not what you want"
+
+ if self.pdf:
+ pdf_pkgs = [
+ "/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/google-noto-sans-cjk-fonts/NotoSansCJK-Regular.ttc",
+ ]
+
+ self.check_missing_file(pdf_pkgs, noto_sans_redhat, DepManager.PDF_MANDATORY)
+
+ self.check_rpm_missing(fedora_tex_pkgs, DepManager.PDF_MANDATORY)
+
+ self.check_missing_tex(DepManager.PDF_MANDATORY)
+
+ # There's no texlive-ctex on RHEL 8 repositories. This will
+ # likely affect CJK pdf build only.
+ if not fedora and rel == 8:
+ self.deps.del_package("texlive-ctex")
+
+ return self.get_install_progs(progs, "dnf install")
+
+ def give_opensuse_hints(self):
+ """
+ Provide package installation hints for openSUSE-based distros
+ (Leap and Tumbleweed).
+ """
+ progs = {
+ "Pod::Usage": "perl-Pod-Usage",
+ "convert": "ImageMagick",
+ "dot": "graphviz",
+ "python-sphinx": "python3-sphinx",
+ "virtualenv": "python3-virtualenv",
+ "xelatex": "texlive-xetex-bin",
+ "yaml": "python3-pyyaml",
+ }
+
+ suse_tex_pkgs = [
+ "texlive-babel-english",
+ "texlive-caption",
+ "texlive-colortbl",
+ "texlive-courier",
+ "texlive-dvips",
+ "texlive-helvetic",
+ "texlive-makeindex",
+ "texlive-metafont",
+ "texlive-metapost",
+ "texlive-palatino",
+ "texlive-preview",
+ "texlive-times",
+ "texlive-zapfchan",
+ "texlive-zapfding",
+ ]
+
+ progs["latexmk"] = "texlive-latexmk-bin"
+
+ match = re.search(r"(Leap)\s+(\d+).(\d)", self.system_release)
+ if match:
+ rel = int(match.group(2))
+
+ # Leap 15.x uses Python 3.6, which is not compatible with
+ # the build system anymore. Suggest Python 3.11
+ if rel == 15:
+ if not self.which(self.python_cmd):
+ self.recommend_python = True
+ self.deps.add_package(self.python_cmd, DepManager.SYSTEM_MANDATORY)
+
+ progs.update({
+ "python-sphinx": "python311-Sphinx",
+ "virtualenv": "python311-virtualenv",
+ "yaml": "python311-PyYAML",
+ })
+ else:
+ # Tumbleweed defaults to Python 3.11
+
+ progs.update({
+ "python-sphinx": "python313-Sphinx",
+ "virtualenv": "python313-virtualenv",
+ "yaml": "python313-PyYAML",
+ })
+
+ # FIXME: add support for installing CJK fonts
+ #
+ # I tried hard, but was unable to find a way to install
+ # "Noto Sans CJK SC" on openSUSE
+
+ if self.pdf:
+ self.check_rpm_missing(suse_tex_pkgs, DepManager.PDF_MANDATORY)
+ if self.pdf:
+ self.check_missing_tex()
+
+ return self.get_install_progs(progs, "zypper install --no-recommends")
+
+ def give_mageia_hints(self):
+ """
+ Provide package installation hints for Mageia and OpenMandriva.
+ """
+ progs = {
+ "Pod::Usage": "perl-Pod-Usage",
+ "convert": "ImageMagick",
+ "dot": "graphviz",
+ "python-sphinx": "python3-sphinx",
+ "rsvg-convert": "librsvg2",
+ "virtualenv": "python3-virtualenv",
+ "xelatex": "texlive",
+ "yaml": "python3-yaml",
+ }
+
+ tex_pkgs = [
+ "texlive-fontsextra",
+ ]
+
+ if re.search(r"OpenMandriva", self.system_release):
+ packager_cmd = "dnf install"
+ noto_sans = "noto-sans-cjk-fonts"
+ tex_pkgs = ["texlive-collection-fontsextra"]
+
+ # Tested on OpenMandriva Lx 4.3
+ progs["convert"] = "imagemagick"
+ progs["yaml"] = "python-pyyaml"
+
+ else:
+ packager_cmd = "urpmi"
+ noto_sans = "google-noto-sans-cjk-ttc-fonts"
+
+ progs["latexmk"] = "texlive-collection-basic"
+
+ if self.pdf:
+ pdf_pkgs = [
+ "/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/TTF/NotoSans-Regular.ttf",
+ ]
+
+ self.check_missing_file(pdf_pkgs, noto_sans, DepManager.PDF_MANDATORY)
+ self.check_rpm_missing(tex_pkgs, DepManager.PDF_MANDATORY)
+
+ return self.get_install_progs(progs, packager_cmd)
+
+ def give_arch_linux_hints(self):
+ """
+ Provide package installation hints for ArchLinux.
+ """
+ progs = {
+ "convert": "imagemagick",
+ "dot": "graphviz",
+ "latexmk": "texlive-core",
+ "rsvg-convert": "extra/librsvg",
+ "virtualenv": "python-virtualenv",
+ "xelatex": "texlive-xetex",
+ "yaml": "python-yaml",
+ }
+
+ archlinux_tex_pkgs = [
+ "texlive-core",
+ "texlive-latexextra",
+ "ttf-dejavu",
+ ]
+
+ if self.pdf:
+ self.check_pacman_missing(archlinux_tex_pkgs,
+ DepManager.PDF_MANDATORY)
+
+ self.check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc"],
+ "noto-fonts-cjk",
+ DepManager.PDF_MANDATORY)
+
+
+ return self.get_install_progs(progs, "pacman -S")
+
+ def give_gentoo_hints(self):
+ """
+ Provide package installation hints for Gentoo.
+ """
+ progs = {
+ "convert": "media-gfx/imagemagick",
+ "dot": "media-gfx/graphviz",
+ "rsvg-convert": "gnome-base/librsvg",
+ "virtualenv": "dev-python/virtualenv",
+ "xelatex": "dev-texlive/texlive-xetex media-fonts/dejavu",
+ "yaml": "dev-python/pyyaml",
+ "python-sphinx": "dev-python/sphinx",
+ }
+
+ if self.pdf:
+ pdf_pkgs = {
+ "media-fonts/dejavu": [
+ "/usr/share/fonts/dejavu/DejaVuSans.ttf",
+ ],
+ "media-fonts/noto-cjk": [
+ "/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
+ "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc",
+ ],
+ }
+ for package, files in pdf_pkgs.items():
+ self.check_missing_file(files, package, DepManager.PDF_MANDATORY)
+
+ # Handling dependencies is a nightmare, as Gentoo refuses to emerge
+ # some packages if there's no package.use file describing them.
+ # To make it worse, compilation flags shall also be present there
+ # for some packages. If USE is not perfect, error/warning messages
+ # like those are shown:
+ #
+ # !!! The following binary packages have been ignored due to non matching USE:
+ #
+ # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_13 qt6 svg
+ # =media-gfx/graphviz-12.2.1-r1 X pdf python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
+ # =media-gfx/graphviz-12.2.1-r1 X pdf qt6 svg
+ # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 qt6 svg
+ # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
+ # =media-fonts/noto-cjk-20190416 X
+ # =app-text/texlive-core-2024-r1 X cjk -xetex
+ # =app-text/texlive-core-2024-r1 X -xetex
+ # =app-text/texlive-core-2024-r1 -xetex
+ # =dev-libs/zziplib-0.13.79-r1 sdl
+ #
+ # And will ignore such packages, installing the remaining ones. That
+ # affects mostly the image extension and PDF generation.
+
+ # Package dependencies and the minimal needed args:
+ portages = {
+ "graphviz": "media-gfx/graphviz",
+ "imagemagick": "media-gfx/imagemagick",
+ "media-libs": "media-libs/harfbuzz icu",
+ "media-fonts": "media-fonts/noto-cjk",
+ "texlive": "app-text/texlive-core xetex",
+ "zziblib": "dev-libs/zziplib sdl",
+ }
+
+ extra_cmds = ""
+ if not self.distro_msg:
+ self.distro_msg = "Note: Gentoo requires package.use to be adjusted before emerging packages"
+
+ use_base = "/etc/portage/package.use"
+ files = glob(f"{use_base}/*")
+
+ for fname, portage in portages.items():
+ install = False
+
+ while install is False:
+ if not files:
+ # No files under package.usage. Install all
+ install = True
+ break
+
+ args = portage.split(" ")
+
+ name = args.pop(0)
+
+ cmd = ["grep", "-l", "-E", rf"^{name}\b" ] + files
+ result = self.run(cmd, stdout=subprocess.PIPE, text=True)
+ if result.returncode or not result.stdout.strip():
+ # File containing portage name not found
+ install = True
+ break
+
+ # Ensure that needed USE flags are present
+ if args:
+ match_fname = result.stdout.strip()
+ with open(match_fname, 'r', encoding='utf8',
+ errors='backslashreplace') as fp:
+ for line in fp:
+ for arg in args:
+ if arg.startswith("-"):
+ continue
+
+ if not re.search(rf"\s*{arg}\b", line):
+ # Needed file argument not found
+ install = True
+ break
+
+ # Everything looks ok, don't install
+ break
+
+ # emit a code to setup missing USE
+ if install:
+ extra_cmds += (f"sudo su -c 'echo \"{portage}\" > {use_base}/{fname}'\n")
+
+ # Now, we can use emerge and let it respect USE
+ return self.get_install_progs(progs,
+ "emerge --ask --changed-use --binpkg-respect-use=y",
+ extra_cmds)
+
+ def get_install(self):
+ """
+ OS-specific hints logic. Seeks for a hinter. If found, use it to
+ provide package-manager specific install commands.
+
+ Otherwise, outputs install instructions for the meta-packages.
+
+ Returns a string with the command to be executed to install the
+ the needed packages, if distro found. Otherwise, return just a
+ list of packages that require installation.
+ """
+ os_hints = {
+ re.compile("Red Hat Enterprise Linux"): self.give_redhat_hints,
+ re.compile("Fedora"): self.give_redhat_hints,
+ re.compile("AlmaLinux"): self.give_redhat_hints,
+ re.compile("Amazon Linux"): self.give_redhat_hints,
+ re.compile("CentOS"): self.give_redhat_hints,
+ re.compile("openEuler"): self.give_redhat_hints,
+ re.compile("Oracle Linux Server"): self.give_redhat_hints,
+ re.compile("Rocky Linux"): self.give_redhat_hints,
+ re.compile("Springdale Open Enterprise"): self.give_redhat_hints,
+
+ re.compile("Ubuntu"): self.give_debian_hints,
+ re.compile("Debian"): self.give_debian_hints,
+ re.compile("Devuan"): self.give_debian_hints,
+ re.compile("Kali"): self.give_debian_hints,
+ re.compile("Mint"): self.give_debian_hints,
+
+ re.compile("openSUSE"): self.give_opensuse_hints,
+
+ re.compile("Mageia"): self.give_mageia_hints,
+ re.compile("OpenMandriva"): self.give_mageia_hints,
+
+ re.compile("Arch Linux"): self.give_arch_linux_hints,
+ re.compile("Gentoo"): self.give_gentoo_hints,
+ }
+
+ # If the OS is detected, use per-OS hint logic
+ for regex, os_hint in os_hints.items():
+ if regex.search(self.system_release):
+ return os_hint()
+
+ #
+ # Fall-back to generic hint code for other distros
+ # That's far from ideal, specially for LaTeX dependencies.
+ #
+ progs = {"sphinx-build": "sphinx"}
+ if self.pdf:
+ self.check_missing_tex()
+
+ self.distro_msg = \
+ f"I don't know distro {self.system_release}.\n" \
+ "So, I can't provide you a hint with the install procedure.\n" \
+ "There are likely missing dependencies.\n"
+
+ return self.get_install_progs(progs, None)
+
+ #
+ # Common dependencies
+ #
+ def deactivate_help(self):
+ """
+ Print a helper message to disable a virtual environment.
+ """
+
+ print("\n If you want to exit the virtualenv, you can use:")
+ print("\tdeactivate")
+
+ def get_virtenv(self):
+ """
+ Give a hint about how to activate an already-existing virtual
+ environment containing sphinx-build.
+
+ Returns a tuble with (activate_cmd_path, sphinx_version) with
+ the newest available virtual env.
+ """
+
+ cwd = os.getcwd()
+
+ activates = []
+
+ # Add all sphinx prefixes with possible version numbers
+ for p in self.virtenv_prefix:
+ activates += glob(f"{cwd}/{p}[0-9]*/bin/activate")
+
+ activates.sort(reverse=True, key=str.lower)
+
+ # Place sphinx_latest first, if it exists
+ for p in self.virtenv_prefix:
+ activates = glob(f"{cwd}/{p}*latest/bin/activate") + activates
+
+ ver = (0, 0, 0)
+ for f in activates:
+ # Discard too old Sphinx virtual environments
+ match = re.search(r"(\d+)\.(\d+)\.(\d+)", f)
+ if match:
+ ver = (int(match.group(1)), int(match.group(2)), int(match.group(3)))
+
+ if ver < self.min_version:
+ continue
+
+ sphinx_cmd = f.replace("activate", "sphinx-build")
+ if not os.path.isfile(sphinx_cmd):
+ continue
+
+ ver = self.get_sphinx_version(sphinx_cmd)
+
+ if not ver:
+ venv_dir = f.replace("/bin/activate", "")
+ print(f"Warning: virtual environment {venv_dir} is not working.\n" \
+ "Python version upgrade? Remove it with:\n\n" \
+ "\trm -rf {venv_dir}\n\n")
+ else:
+ if self.need_sphinx and ver >= self.min_version:
+ return (f, ver)
+ elif parse_version(ver) > self.cur_version:
+ return (f, ver)
+
+ return ("", ver)
+
+ def recommend_sphinx_upgrade(self):
+ """
+ Check if Sphinx needs to be upgraded.
+
+ Returns a tuple with the higest available Sphinx version if found.
+ Otherwise, returns None to indicate either that no upgrade is needed
+ or no venv was found.
+ """
+
+ # Avoid running sphinx-builds from venv if cur_version is good
+ if self.cur_version and self.cur_version >= RECOMMENDED_VERSION:
+ self.latest_avail_ver = self.cur_version
+ return None
+
+ # Get the highest version from sphinx_*/bin/sphinx-build and the
+ # corresponding command to activate the venv/virtenv
+ self.activate_cmd, self.venv_ver = self.get_virtenv()
+
+ # Store the highest version from Sphinx existing virtualenvs
+ if self.activate_cmd and self.venv_ver > self.cur_version:
+ self.latest_avail_ver = self.venv_ver
+ else:
+ if self.cur_version:
+ self.latest_avail_ver = self.cur_version
+ else:
+ self.latest_avail_ver = (0, 0, 0)
+
+ # As we don't know package version of Sphinx, and there's no
+ # virtual environments, don't check if upgrades are needed
+ if not self.virtualenv:
+ if not self.latest_avail_ver:
+ return None
+
+ return self.latest_avail_ver
+
+ # Either there are already a virtual env or a new one should be created
+ self.need_pip = 1
+
+ if not self.latest_avail_ver:
+ return None
+
+ # Return if the reason is due to an upgrade or not
+ if self.latest_avail_ver != (0, 0, 0):
+ if self.latest_avail_ver < RECOMMENDED_VERSION:
+ self.rec_sphinx_upgrade = 1
+
+ return self.latest_avail_ver
+
+ def recommend_package(self):
+ """
+ Recommend installing Sphinx as a distro-specific package.
+ """
+
+ print("\n2) As a package with:")
+
+ old_need = self.deps.need
+ old_optional = self.deps.optional
+
+ self.pdf = False
+ self.deps.optional = 0
+ old_verbose = self.verbose_warn_install
+ self.verbose_warn_install = 0
+
+ self.deps.clear_deps()
+
+ self.deps.add_package("python-sphinx", DepManager.PYTHON_MANDATORY)
+
+ cmd = self.get_install()
+ if cmd:
+ print(cmd)
+
+ self.deps.need = old_need
+ self.deps.optional = old_optional
+ self.verbose_warn_install = old_verbose
+
+ def recommend_sphinx_version(self, virtualenv_cmd):
+ """
+ Provide recommendations for installing or upgrading Sphinx based
+ on current version.
+
+ The logic here is complex, as it have to deal with different versions:
+
+ - minimal supported version;
+ - minimal PDF version;
+ - recommended version.
+
+ It also needs to work fine with both distro's package and
+ venv/virtualenv
+ """
+
+ if self.recommend_python:
+ print("\nPython version is incompatible with doc build.\n" \
+ "Please upgrade it and re-run.\n")
+ return
+
+
+ # Version is OK. Nothing to do.
+ if self.cur_version != (0, 0, 0) and self.cur_version >= RECOMMENDED_VERSION:
+ return
+
+ if self.latest_avail_ver:
+ latest_avail_ver = ver_str(self.latest_avail_ver)
+
+ if not self.need_sphinx:
+ # sphinx-build is present and its version is >= $min_version
+
+ # only recommend enabling a newer virtenv version if makes sense.
+ if self.latest_avail_ver and self.latest_avail_ver > self.cur_version:
+ print(f"\nYou may also use the newer Sphinx version {latest_avail_ver} with:")
+ if f"{self.virtenv_prefix}" in os.getcwd():
+ print("\tdeactivate")
+ print(f"\t. {self.activate_cmd}")
+ self.deactivate_help()
+ return
+
+ if self.latest_avail_ver and self.latest_avail_ver >= RECOMMENDED_VERSION:
+ return
+
+ if not self.virtualenv:
+ # No sphinx either via package or via virtenv. As we can't
+ # Compare the versions here, just return, recommending the
+ # user to install it from the package distro.
+ if not self.latest_avail_ver or self.latest_avail_ver == (0, 0, 0):
+ return
+
+ # User doesn't want a virtenv recommendation, but he already
+ # installed one via virtenv with a newer version.
+ # So, print commands to enable it
+ if self.latest_avail_ver > self.cur_version:
+ print(f"\nYou may also use the Sphinx virtualenv version {latest_avail_ver} with:")
+ if f"{self.virtenv_prefix}" in os.getcwd():
+ print("\tdeactivate")
+ print(f"\t. {self.activate_cmd}")
+ self.deactivate_help()
+ return
+ print("\n")
+ else:
+ if self.need_sphinx:
+ self.deps.need += 1
+
+ # Suggest newer versions if current ones are too old
+ if self.latest_avail_ver and self.latest_avail_ver >= self.min_version:
+ if self.latest_avail_ver >= RECOMMENDED_VERSION:
+ print(f"\nNeed to activate Sphinx (version {latest_avail_ver}) on virtualenv with:")
+ print(f"\t. {self.activate_cmd}")
+ self.deactivate_help()
+ return
+
+ # Version is above the minimal required one, but may be
+ # below the recommended one. So, print warnings/notes
+ if self.latest_avail_ver < RECOMMENDED_VERSION:
+ print(f"Warning: It is recommended at least Sphinx version {RECOMMENDED_VERSION}.")
+
+ # At this point, either it needs Sphinx or upgrade is recommended,
+ # both via pip
+
+ if self.rec_sphinx_upgrade:
+ if not self.virtualenv:
+ print("Instead of install/upgrade Python Sphinx pkg, you could use pip/pypi with:\n\n")
+ else:
+ print("To upgrade Sphinx, use:\n\n")
+ else:
+ print("\nSphinx needs to be installed either:\n1) via pip/pypi with:\n")
+
+ if not virtualenv_cmd:
+ print(" Currently not possible.\n")
+ print(" Please upgrade Python to a newer version and run this script again")
+ else:
+ print(f"\t{virtualenv_cmd} {self.virtenv_dir}")
+ print(f"\t. {self.virtenv_dir}/bin/activate")
+ print(f"\tpip install -r {self.requirement_file}")
+ self.deactivate_help()
+
+ if self.package_supported:
+ self.recommend_package()
+
+ print("\n" \
+ " Please note that Sphinx currentlys produce false-positive\n" \
+ " warnings when the same name is used for more than one type (functions,\n" \
+ " structs, enums,...). This is known Sphinx bug. For more details, see:\n" \
+ "\thttps://github.com/sphinx-doc/sphinx/pull/8313")
+
+ def check_needs(self):
+ """
+ Main method that checks needed dependencies and provides
+ recommendations.
+ """
+ self.python_cmd = sys.executable
+
+ # Check if Sphinx is already accessible from current environment
+ self.check_sphinx(self.conf)
+
+ if self.system_release:
+ print(f"Detected OS: {self.system_release}.")
+ else:
+ print("Unknown OS")
+ if self.cur_version != (0, 0, 0):
+ ver = ver_str(self.cur_version)
+ print(f"Sphinx version: {ver}\n")
+
+ # Check the type of virtual env, depending on Python version
+ virtualenv_cmd = None
+
+ if sys.version_info < MIN_PYTHON_VERSION:
+ min_ver = ver_str(MIN_PYTHON_VERSION)
+ print(f"ERROR: at least python {min_ver} is required to build the kernel docs")
+ self.need_sphinx = 1
+
+ self.venv_ver = self.recommend_sphinx_upgrade()
+
+ if self.need_pip:
+ if sys.version_info < MIN_PYTHON_VERSION:
+ self.need_pip = False
+ print("Warning: python version is not supported.")
+
+ else:
+ virtualenv_cmd = f"{self.python_cmd} -m venv"
+ self.check_python_module("ensurepip")
+
+ # Check for needed programs/tools
+ self.check_perl_module("Pod::Usage", DepManager.SYSTEM_MANDATORY)
+
+ self.check_program("make", DepManager.SYSTEM_MANDATORY)
+ self.check_program("gcc", DepManager.SYSTEM_MANDATORY)
+
+ self.check_program("dot", DepManager.SYSTEM_OPTIONAL)
+ self.check_program("convert", DepManager.SYSTEM_OPTIONAL)
+
+ self.check_python_module("yaml")
+
+ if self.pdf:
+ self.check_program("xelatex", DepManager.PDF_MANDATORY)
+ self.check_program("rsvg-convert", DepManager.PDF_MANDATORY)
+ self.check_program("latexmk", DepManager.PDF_MANDATORY)
+
+ # Do distro-specific checks and output distro-install commands
+ cmd = self.get_install()
+ if cmd:
+ print(cmd)
+
+ # If distro requires some special instructions, print here.
+ # Please notice that get_install() needs to be called first.
+ if self.distro_msg:
+ print("\n" + self.distro_msg)
+
+ if not self.python_cmd:
+ if self.need == 1:
+ sys.exit("Can't build as 1 mandatory dependency is missing")
+ elif self.need:
+ sys.exit(f"Can't build as {self.need} mandatory dependencies are missing")
+
+ # Check if sphinx-build is called sphinx-build-3
+ if self.need_symlink:
+ sphinx_path = self.which("sphinx-build-3")
+ if sphinx_path:
+ print(f"\tsudo ln -sf {sphinx_path} /usr/bin/sphinx-build\n")
+
+ self.recommend_sphinx_version(virtualenv_cmd)
+ print("")
+
+ if not self.deps.optional:
+ print("All optional dependencies are met.")
+
+ if self.deps.need == 1:
+ sys.exit("Can't build as 1 mandatory dependency is missing")
+ elif self.deps.need:
+ sys.exit(f"Can't build as {self.deps.need} mandatory dependencies are missing")
+
+ print("Needed package dependencies are met.")
+
+DESCRIPTION = """
+Process some flags related to Sphinx installation and documentation build.
+"""
+
+
+def main():
+ """Main function"""
+ parser = argparse.ArgumentParser(description=DESCRIPTION)
+
+ parser.add_argument(
+ "--no-virtualenv",
+ action="store_false",
+ dest="virtualenv",
+ help="Recommend installing Sphinx instead of using a virtualenv",
+ )
+
+ parser.add_argument(
+ "--no-pdf",
+ action="store_false",
+ dest="pdf",
+ help="Don't check for dependencies required to build PDF docs",
+ )
+
+ parser.add_argument(
+ "--version-check",
+ action="store_true",
+ dest="version_check",
+ help="If version is compatible, don't check for missing dependencies",
+ )
+
+ args = parser.parse_args()
+
+ checker = SphinxDependencyChecker(args)
+
+ checker.check_python()
+ checker.check_needs()
+
+# Call main if not used as module
+if __name__ == "__main__":
+ main()
+++ /dev/null
-#!/usr/bin/env python3
-# SPDX-License-Identifier: GPL-2.0-or-later
-# Copyright (c) 2017-2025 Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
-#
-# pylint: disable=C0103,C0114,C0115,C0116,C0301,C0302
-# pylint: disable=R0902,R0904,R0911,R0912,R0914,R0915,R1705,R1710,E1121
-
-# Note: this script requires at least Python 3.6 to run.
-# Don't add changes not compatible with it, it is meant to report
-# incompatible python versions.
-
-"""
-Dependency checker for Sphinx documentation Kernel build.
-
-This module provides tools to check for all required dependencies needed to
-build documentation using Sphinx, including system packages, Python modules
-and LaTeX packages for PDF generation.
-
-It detect packages for a subset of Linux distributions used by Kernel
-maintainers, showing hints and missing dependencies.
-
-The main class SphinxDependencyChecker handles the dependency checking logic
-and provides recommendations for installing missing packages. It supports both
-system package installations and Python virtual environments. By default,
-system pacage install is recommended.
-"""
-
-import argparse
-import os
-import re
-import subprocess
-import sys
-from glob import glob
-
-
-def parse_version(version):
- """Convert a major.minor.patch version into a tuple"""
- return tuple(int(x) for x in version.split("."))
-
-
-def ver_str(version):
- """Returns a version tuple as major.minor.patch"""
-
- return ".".join([str(x) for x in version])
-
-
-RECOMMENDED_VERSION = parse_version("3.4.3")
-MIN_PYTHON_VERSION = parse_version("3.7")
-
-
-class DepManager:
- """
- Manage package dependencies. There are three types of dependencies:
-
- - System: dependencies required for docs build;
- - Python: python dependencies for a native distro Sphinx install;
- - PDF: dependencies needed by PDF builds.
-
- Each dependency can be mandatory or optional. Not installing an optional
- dependency won't break the build, but will cause degradation at the
- docs output.
- """
-
- # Internal types of dependencies. Don't use them outside DepManager class.
- _SYS_TYPE = 0
- _PHY_TYPE = 1
- _PDF_TYPE = 2
-
- # Dependencies visible outside the class.
- # The keys are tuple with: (type, is_mandatory flag).
- #
- # Currently we're not using all optional dep types. Yet, we'll keep all
- # possible combinations here. They're not many, and that makes easier
- # if later needed and for the name() method below
-
- SYSTEM_MANDATORY = (_SYS_TYPE, True)
- PYTHON_MANDATORY = (_PHY_TYPE, True)
- PDF_MANDATORY = (_PDF_TYPE, True)
-
- SYSTEM_OPTIONAL = (_SYS_TYPE, False)
- PYTHON_OPTIONAL = (_PHY_TYPE, False)
- PDF_OPTIONAL = (_PDF_TYPE, True)
-
- def __init__(self, pdf):
- """
- Initialize internal vars:
-
- - missing: missing dependencies list, containing a distro-independent
- name for a missing dependency and its type.
- - missing_pkg: ancillary dict containing missing dependencies in
- distro namespace, organized by type.
- - need: total number of needed dependencies. Never cleaned.
- - optional: total number of optional dependencies. Never cleaned.
- - pdf: Is PDF support enabled?
- """
- self.missing = {}
- self.missing_pkg = {}
- self.need = 0
- self.optional = 0
- self.pdf = pdf
-
- @staticmethod
- def name(dtype):
- """
- Ancillary routine to output a warn/error message reporting
- missing dependencies.
- """
- if dtype[0] == DepManager._SYS_TYPE:
- msg = "build"
- elif dtype[0] == DepManager._PHY_TYPE:
- msg = "Python"
- else:
- msg = "PDF"
-
- if dtype[1]:
- return f"ERROR: {msg} mandatory deps missing"
- else:
- return f"Warning: {msg} optional deps missing"
-
- @staticmethod
- def is_optional(dtype):
- """Ancillary routine to report if a dependency is optional"""
- return not dtype[1]
-
- @staticmethod
- def is_pdf(dtype):
- """Ancillary routine to report if a dependency is for PDF generation"""
- if dtype[0] == DepManager._PDF_TYPE:
- return True
-
- return False
-
- def add_package(self, package, dtype):
- """
- Add a package at the self.missing() dictionary.
- Doesn't update missing_pkg.
- """
- is_optional = DepManager.is_optional(dtype)
- self.missing[package] = dtype
- if is_optional:
- self.optional += 1
- else:
- self.need += 1
-
- def del_package(self, package):
- """
- Remove a package at the self.missing() dictionary.
- Doesn't update missing_pkg.
- """
- if package in self.missing:
- del self.missing[package]
-
- def clear_deps(self):
- """
- Clear dependencies without changing needed/optional.
-
- This is an ackward way to have a separate section to recommend
- a package after system main dependencies.
-
- TODO: rework the logic to prevent needing it.
- """
-
- self.missing = {}
- self.missing_pkg = {}
-
- def check_missing(self, progs):
- """
- Update self.missing_pkg, using progs dict to convert from the
- agnostic package name to distro-specific one.
-
- Returns an string with the packages to be installed, sorted and
- with eventual duplicates removed.
- """
-
- self.missing_pkg = {}
-
- for prog, dtype in sorted(self.missing.items()):
- # At least on some LTS distros like CentOS 7, texlive doesn't
- # provide all packages we need. When such distros are
- # detected, we have to disable PDF output.
- #
- # So, we need to ignore the packages that distros would
- # need for LaTeX to work
- if DepManager.is_pdf(dtype) and not self.pdf:
- self.optional -= 1
- continue
-
- if not dtype in self.missing_pkg:
- self.missing_pkg[dtype] = []
-
- self.missing_pkg[dtype].append(progs.get(prog, prog))
-
- install = []
- for dtype, pkgs in self.missing_pkg.items():
- install += pkgs
-
- return " ".join(sorted(set(install)))
-
- def warn_install(self):
- """
- Emit warnings/errors related to missing packages.
- """
-
- output_msg = ""
-
- for dtype in sorted(self.missing_pkg.keys()):
- progs = " ".join(sorted(set(self.missing_pkg[dtype])))
-
- try:
- name = DepManager.name(dtype)
- output_msg += f'{name}:\t{progs}\n'
- except KeyError:
- raise KeyError(f"ERROR!!!: invalid dtype for {progs}: {dtype}")
-
- if output_msg:
- print(f"\n{output_msg}")
-
-class AncillaryMethods:
- """
- Ancillary methods that checks for missing dependencies for different
- types of types, like binaries, python modules, rpm deps, etc.
- """
-
- @staticmethod
- def which(prog):
- """
- Our own implementation of which(). We could instead use
- shutil.which(), but this function is simple enough.
- Probably faster to use this implementation than to import shutil.
- """
- for path in os.environ.get("PATH", "").split(":"):
- full_path = os.path.join(path, prog)
- if os.access(full_path, os.X_OK):
- return full_path
-
- return None
-
- @staticmethod
- def get_python_version(cmd):
- """
- Get python version from a Python binary. As we need to detect if
- are out there newer python binaries, we can't rely on sys.release here.
- """
-
- result = SphinxDependencyChecker.run([cmd, "--version"],
- capture_output=True, text=True)
- version = result.stdout.strip()
-
- match = re.search(r"(\d+\.\d+\.\d+)", version)
- if match:
- return parse_version(match.group(1))
-
- print(f"Can't parse version {version}")
- return (0, 0, 0)
-
- @staticmethod
- def find_python():
- """
- Detect if are out there any python 3.xy version newer than the
- current one.
-
- Note: this routine is limited to up to 2 digits for python3. We
- may need to update it one day, hopefully on a distant future.
- """
- patterns = [
- "python3.[0-9]",
- "python3.[0-9][0-9]",
- ]
-
- # Seek for a python binary newer than MIN_PYTHON_VERSION
- for path in os.getenv("PATH", "").split(":"):
- for pattern in patterns:
- for cmd in glob(os.path.join(path, pattern)):
- if os.path.isfile(cmd) and os.access(cmd, os.X_OK):
- version = SphinxDependencyChecker.get_python_version(cmd)
- if version >= MIN_PYTHON_VERSION:
- return cmd
-
- @staticmethod
- def check_python():
- """
- Check if the current python binary satisfies our minimal requirement
- for Sphinx build. If not, re-run with a newer version if found.
- """
- cur_ver = sys.version_info[:3]
- if cur_ver >= MIN_PYTHON_VERSION:
- ver = ver_str(cur_ver)
- print(f"Python version: {ver}")
-
- # This could be useful for debugging purposes
- if SphinxDependencyChecker.which("docutils"):
- result = SphinxDependencyChecker.run(["docutils", "--version"],
- capture_output=True, text=True)
- ver = result.stdout.strip()
- match = re.search(r"(\d+\.\d+\.\d+)", ver)
- if match:
- ver = match.group(1)
-
- print(f"Docutils version: {ver}")
-
- return
-
- python_ver = ver_str(cur_ver)
-
- new_python_cmd = SphinxDependencyChecker.find_python()
- if not new_python_cmd:
- print(f"ERROR: Python version {python_ver} is not spported anymore\n")
- print(" Can't find a new version. This script may fail")
- return
-
- # Restart script using the newer version
- script_path = os.path.abspath(sys.argv[0])
- args = [new_python_cmd, script_path] + sys.argv[1:]
-
- print(f"Python {python_ver} not supported. Changing to {new_python_cmd}")
-
- try:
- os.execv(new_python_cmd, args)
- except OSError as e:
- sys.exit(f"Failed to restart with {new_python_cmd}: {e}")
-
- @staticmethod
- def run(*args, **kwargs):
- """
- Excecute a command, hiding its output by default.
- Preserve comatibility with older Python versions.
- """
-
- capture_output = kwargs.pop('capture_output', False)
-
- if capture_output:
- if 'stdout' not in kwargs:
- kwargs['stdout'] = subprocess.PIPE
- if 'stderr' not in kwargs:
- kwargs['stderr'] = subprocess.PIPE
- else:
- if 'stdout' not in kwargs:
- kwargs['stdout'] = subprocess.DEVNULL
- if 'stderr' not in kwargs:
- kwargs['stderr'] = subprocess.DEVNULL
-
- # Don't break with older Python versions
- if 'text' in kwargs and sys.version_info < (3, 7):
- kwargs['universal_newlines'] = kwargs.pop('text')
-
- return subprocess.run(*args, **kwargs)
-
-class MissingCheckers(AncillaryMethods):
- """
- Contains some ancillary checkers for different types of binaries and
- package managers.
- """
-
- def __init__(self, args, texlive):
- """
- Initialize its internal variables
- """
- self.pdf = args.pdf
- self.virtualenv = args.virtualenv
- self.version_check = args.version_check
- self.texlive = texlive
-
- self.min_version = (0, 0, 0)
- self.cur_version = (0, 0, 0)
-
- self.deps = DepManager(self.pdf)
-
- self.need_symlink = 0
- self.need_sphinx = 0
-
- self.verbose_warn_install = 1
-
- self.virtenv_dir = ""
- self.install = ""
- self.python_cmd = ""
-
- self.virtenv_prefix = ["sphinx_", "Sphinx_" ]
-
- def check_missing_file(self, files, package, dtype):
- """
- Does the file exists? If not, add it to missing dependencies.
- """
- for f in files:
- if os.path.exists(f):
- return
- self.deps.add_package(package, dtype)
-
- def check_program(self, prog, dtype):
- """
- Does the program exists and it is at the PATH?
- If not, add it to missing dependencies.
- """
- found = self.which(prog)
- if found:
- return found
-
- self.deps.add_package(prog, dtype)
-
- return None
-
- def check_perl_module(self, prog, dtype):
- """
- Does perl have a dependency? Is it available?
- If not, add it to missing dependencies.
-
- Right now, we still need Perl for doc build, as it is required
- by some tools called at docs or kernel build time, like:
-
- scripts/documentation-file-ref-check
-
- Also, checkpatch is on Perl.
- """
-
- # While testing with lxc download template, one of the
- # distros (Oracle) didn't have perl - nor even an option to install
- # before installing oraclelinux-release-el9 package.
- #
- # Check it before running an error. If perl is not there,
- # add it as a mandatory package, as some parts of the doc builder
- # needs it.
- if not self.which("perl"):
- self.deps.add_package("perl", DepManager.SYSTEM_MANDATORY)
- self.deps.add_package(prog, dtype)
- return
-
- try:
- self.run(["perl", f"-M{prog}", "-e", "1"], check=True)
- except subprocess.CalledProcessError:
- self.deps.add_package(prog, dtype)
-
- def check_python_module(self, module, is_optional=False):
- """
- Does a python module exists outside venv? If not, add it to missing
- dependencies.
- """
- if is_optional:
- dtype = DepManager.PYTHON_OPTIONAL
- else:
- dtype = DepManager.PYTHON_MANDATORY
-
- try:
- self.run([self.python_cmd, "-c", f"import {module}"], check=True)
- except subprocess.CalledProcessError:
- self.deps.add_package(module, dtype)
-
- def check_rpm_missing(self, pkgs, dtype):
- """
- Does a rpm package exists? If not, add it to missing dependencies.
- """
- for prog in pkgs:
- try:
- self.run(["rpm", "-q", prog], check=True)
- except subprocess.CalledProcessError:
- self.deps.add_package(prog, dtype)
-
- def check_pacman_missing(self, pkgs, dtype):
- """
- Does a pacman package exists? If not, add it to missing dependencies.
- """
- for prog in pkgs:
- try:
- self.run(["pacman", "-Q", prog], check=True)
- except subprocess.CalledProcessError:
- self.deps.add_package(prog, dtype)
-
- def check_missing_tex(self, is_optional=False):
- """
- Does a LaTeX package exists? If not, add it to missing dependencies.
- """
- if is_optional:
- dtype = DepManager.PDF_OPTIONAL
- else:
- dtype = DepManager.PDF_MANDATORY
-
- kpsewhich = self.which("kpsewhich")
- for prog, package in self.texlive.items():
-
- # If kpsewhich is not there, just add it to deps
- if not kpsewhich:
- self.deps.add_package(package, dtype)
- continue
-
- # Check if the package is needed
- try:
- result = self.run(
- [kpsewhich, prog], stdout=subprocess.PIPE, text=True, check=True
- )
-
- # Didn't find. Add it
- if not result.stdout.strip():
- self.deps.add_package(package, dtype)
-
- except subprocess.CalledProcessError:
- # kpsewhich returned an error. Add it, just in case
- self.deps.add_package(package, dtype)
-
- def get_sphinx_fname(self):
- """
- Gets the binary filename for sphinx-build.
- """
- if "SPHINXBUILD" in os.environ:
- return os.environ["SPHINXBUILD"]
-
- fname = "sphinx-build"
- if self.which(fname):
- return fname
-
- fname = "sphinx-build-3"
- if self.which(fname):
- self.need_symlink = 1
- return fname
-
- return ""
-
- def get_sphinx_version(self, cmd):
- """
- Gets sphinx-build version.
- """
- try:
- result = self.run([cmd, "--version"],
- stdout=subprocess.PIPE,
- stderr=subprocess.STDOUT,
- text=True, check=True)
- except (subprocess.CalledProcessError, FileNotFoundError):
- return None
-
- for line in result.stdout.split("\n"):
- match = re.match(r"^sphinx-build\s+([\d\.]+)(?:\+(?:/[\da-f]+)|b\d+)?\s*$", line)
- if match:
- return parse_version(match.group(1))
-
- match = re.match(r"^Sphinx.*\s+([\d\.]+)\s*$", line)
- if match:
- return parse_version(match.group(1))
-
- def check_sphinx(self, conf):
- """
- Checks Sphinx minimal requirements
- """
- try:
- with open(conf, "r", encoding="utf-8") as f:
- for line in f:
- match = re.match(r"^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]", line)
- if match:
- self.min_version = parse_version(match.group(1))
- break
- except IOError:
- sys.exit(f"Can't open {conf}")
-
- if not self.min_version:
- sys.exit(f"Can't get needs_sphinx version from {conf}")
-
- self.virtenv_dir = self.virtenv_prefix[0] + "latest"
-
- sphinx = self.get_sphinx_fname()
- if not sphinx:
- self.need_sphinx = 1
- return
-
- self.cur_version = self.get_sphinx_version(sphinx)
- if not self.cur_version:
- sys.exit(f"{sphinx} didn't return its version")
-
- if self.cur_version < self.min_version:
- curver = ver_str(self.cur_version)
- minver = ver_str(self.min_version)
-
- print(f"ERROR: Sphinx version is {curver}. It should be >= {minver}")
- self.need_sphinx = 1
- return
-
- # On version check mode, just assume Sphinx has all mandatory deps
- if self.version_check and self.cur_version >= RECOMMENDED_VERSION:
- sys.exit(0)
-
- def catcheck(self, filename):
- """
- Reads a file if it exists, returning as string.
- If not found, returns an empty string.
- """
- if os.path.exists(filename):
- with open(filename, "r", encoding="utf-8") as f:
- return f.read().strip()
- return ""
-
- def get_system_release(self):
- """
- Determine the system type. There's no unique way that would work
- with all distros with a minimal package install. So, several
- methods are used here.
-
- By default, it will use lsb_release function. If not available, it will
- fail back to reading the known different places where the distro name
- is stored.
-
- Several modern distros now have /etc/os-release, which usually have
- a decent coverage.
- """
-
- system_release = ""
-
- if self.which("lsb_release"):
- result = self.run(["lsb_release", "-d"], capture_output=True, text=True)
- system_release = result.stdout.replace("Description:", "").strip()
-
- release_files = [
- "/etc/system-release",
- "/etc/redhat-release",
- "/etc/lsb-release",
- "/etc/gentoo-release",
- ]
-
- if not system_release:
- for f in release_files:
- system_release = self.catcheck(f)
- if system_release:
- break
-
- # This seems more common than LSB these days
- if not system_release:
- os_var = {}
- try:
- with open("/etc/os-release", "r", encoding="utf-8") as f:
- for line in f:
- match = re.match(r"^([\w\d\_]+)=\"?([^\"]*)\"?\n", line)
- if match:
- os_var[match.group(1)] = match.group(2)
-
- system_release = os_var.get("NAME", "")
- if "VERSION_ID" in os_var:
- system_release += " " + os_var["VERSION_ID"]
- elif "VERSION" in os_var:
- system_release += " " + os_var["VERSION"]
- except IOError:
- pass
-
- if not system_release:
- system_release = self.catcheck("/etc/issue")
-
- system_release = system_release.strip()
-
- return system_release
-
-class SphinxDependencyChecker(MissingCheckers):
- """
- Main class for checking Sphinx documentation build dependencies.
-
- - Check for missing system packages;
- - Check for missing Python modules;
- - Check for missing LaTeX packages needed by PDF generation;
- - Propose Sphinx install via Python Virtual environment;
- - Propose Sphinx install via distro-specific package install.
- """
- def __init__(self, args):
- """Initialize checker variables"""
-
- # List of required texlive packages on Fedora and OpenSuse
- texlive = {
- "amsfonts.sty": "texlive-amsfonts",
- "amsmath.sty": "texlive-amsmath",
- "amssymb.sty": "texlive-amsfonts",
- "amsthm.sty": "texlive-amscls",
- "anyfontsize.sty": "texlive-anyfontsize",
- "atbegshi.sty": "texlive-oberdiek",
- "bm.sty": "texlive-tools",
- "capt-of.sty": "texlive-capt-of",
- "cmap.sty": "texlive-cmap",
- "ctexhook.sty": "texlive-ctex",
- "ecrm1000.tfm": "texlive-ec",
- "eqparbox.sty": "texlive-eqparbox",
- "eu1enc.def": "texlive-euenc",
- "fancybox.sty": "texlive-fancybox",
- "fancyvrb.sty": "texlive-fancyvrb",
- "float.sty": "texlive-float",
- "fncychap.sty": "texlive-fncychap",
- "footnote.sty": "texlive-mdwtools",
- "framed.sty": "texlive-framed",
- "luatex85.sty": "texlive-luatex85",
- "multirow.sty": "texlive-multirow",
- "needspace.sty": "texlive-needspace",
- "palatino.sty": "texlive-psnfss",
- "parskip.sty": "texlive-parskip",
- "polyglossia.sty": "texlive-polyglossia",
- "tabulary.sty": "texlive-tabulary",
- "threeparttable.sty": "texlive-threeparttable",
- "titlesec.sty": "texlive-titlesec",
- "ucs.sty": "texlive-ucs",
- "upquote.sty": "texlive-upquote",
- "wrapfig.sty": "texlive-wrapfig",
- }
-
- super().__init__(args, texlive)
-
- self.need_pip = 0
- self.rec_sphinx_upgrade = 0
-
- self.system_release = self.get_system_release()
- self.activate_cmd = ""
-
- # Some distros may not have a Sphinx shipped package compatible with
- # our minimal requirements
- self.package_supported = True
-
- # Recommend a new python version
- self.recommend_python = None
-
- # Certain hints are meant to be shown only once
- self.distro_msg = None
-
- self.latest_avail_ver = (0, 0, 0)
- self.venv_ver = (0, 0, 0)
-
- prefix = os.environ.get("srctree", ".") + "/"
-
- self.conf = prefix + "Documentation/conf.py"
- self.requirement_file = prefix + "Documentation/sphinx/requirements.txt"
-
- def get_install_progs(self, progs, cmd, extra=None):
- """
- Check for missing dependencies using the provided program mapping.
-
- The actual distro-specific programs are mapped via progs argument.
- """
- install = self.deps.check_missing(progs)
-
- if self.verbose_warn_install:
- self.deps.warn_install()
-
- if not install:
- return
-
- if cmd:
- if self.verbose_warn_install:
- msg = "You should run:"
- else:
- msg = ""
-
- if extra:
- msg += "\n\t" + extra.replace("\n", "\n\t")
-
- return(msg + "\n\tsudo " + cmd + " " + install)
-
- return None
-
- #
- # Distro-specific hints methods
- #
-
- def give_debian_hints(self):
- """
- Provide package installation hints for Debian-based distros.
- """
- progs = {
- "Pod::Usage": "perl-modules",
- "convert": "imagemagick",
- "dot": "graphviz",
- "ensurepip": "python3-venv",
- "python-sphinx": "python3-sphinx",
- "rsvg-convert": "librsvg2-bin",
- "virtualenv": "virtualenv",
- "xelatex": "texlive-xetex",
- "yaml": "python3-yaml",
- }
-
- if self.pdf:
- pdf_pkgs = {
- "texlive-lang-chinese": [
- "/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty",
- ],
- "fonts-dejavu": [
- "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
- ],
- "fonts-noto-cjk": [
- "/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc",
- ],
- }
-
- for package, files in pdf_pkgs.items():
- self.check_missing_file(files, package, DepManager.PDF_MANDATORY)
-
- self.check_program("dvipng", DepManager.PDF_MANDATORY)
-
- return self.get_install_progs(progs, "apt-get install")
-
- def give_redhat_hints(self):
- """
- Provide package installation hints for RedHat-based distros
- (Fedora, RHEL and RHEL-based variants).
- """
- progs = {
- "Pod::Usage": "perl-Pod-Usage",
- "convert": "ImageMagick",
- "dot": "graphviz",
- "python-sphinx": "python3-sphinx",
- "rsvg-convert": "librsvg2-tools",
- "virtualenv": "python3-virtualenv",
- "xelatex": "texlive-xetex-bin",
- "yaml": "python3-pyyaml",
- }
-
- fedora_tex_pkgs = [
- "dejavu-sans-fonts",
- "dejavu-sans-mono-fonts",
- "dejavu-serif-fonts",
- "texlive-collection-fontsrecommended",
- "texlive-collection-latex",
- "texlive-xecjk",
- ]
-
- fedora = False
- rel = None
-
- match = re.search(r"(release|Linux)\s+(\d+)", self.system_release)
- if match:
- rel = int(match.group(2))
-
- if not rel:
- print("Couldn't identify release number")
- noto_sans_redhat = None
- self.pdf = False
- elif re.search("Fedora", self.system_release):
- # Fedora 38 and upper use this CJK font
-
- noto_sans_redhat = "google-noto-sans-cjk-fonts"
- fedora = True
- else:
- # Almalinux, CentOS, RHEL, ...
-
- # at least up to version 9 (and Fedora < 38), that's the CJK font
- noto_sans_redhat = "google-noto-sans-cjk-ttc-fonts"
-
- progs["virtualenv"] = "python-virtualenv"
-
- if not rel or rel < 8:
- print("ERROR: Distro not supported. Too old?")
- return
-
- # RHEL 8 uses Python 3.6, which is not compatible with
- # the build system anymore. Suggest Python 3.11
- if rel == 8:
- self.deps.add_package("python39", DepManager.SYSTEM_MANDATORY)
- self.recommend_python = True
-
- if not self.distro_msg:
- self.distro_msg = \
- "Note: RHEL-based distros typically require extra repositories.\n" \
- "For most, enabling epel and crb are enough:\n" \
- "\tsudo dnf install -y epel-release\n" \
- "\tsudo dnf config-manager --set-enabled crb\n" \
- "Yet, some may have other required repositories. Those commands could be useful:\n" \
- "\tsudo dnf repolist all\n" \
- "\tsudo dnf repoquery --available --info <pkgs>\n" \
- "\tsudo dnf config-manager --set-enabled '*' # enable all - probably not what you want"
-
- if self.pdf:
- pdf_pkgs = [
- "/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/google-noto-sans-cjk-fonts/NotoSansCJK-Regular.ttc",
- ]
-
- self.check_missing_file(pdf_pkgs, noto_sans_redhat, DepManager.PDF_MANDATORY)
-
- self.check_rpm_missing(fedora_tex_pkgs, DepManager.PDF_MANDATORY)
-
- self.check_missing_tex(DepManager.PDF_MANDATORY)
-
- # There's no texlive-ctex on RHEL 8 repositories. This will
- # likely affect CJK pdf build only.
- if not fedora and rel == 8:
- self.deps.del_package("texlive-ctex")
-
- return self.get_install_progs(progs, "dnf install")
-
- def give_opensuse_hints(self):
- """
- Provide package installation hints for openSUSE-based distros
- (Leap and Tumbleweed).
- """
- progs = {
- "Pod::Usage": "perl-Pod-Usage",
- "convert": "ImageMagick",
- "dot": "graphviz",
- "python-sphinx": "python3-sphinx",
- "virtualenv": "python3-virtualenv",
- "xelatex": "texlive-xetex-bin",
- "yaml": "python3-pyyaml",
- }
-
- suse_tex_pkgs = [
- "texlive-babel-english",
- "texlive-caption",
- "texlive-colortbl",
- "texlive-courier",
- "texlive-dvips",
- "texlive-helvetic",
- "texlive-makeindex",
- "texlive-metafont",
- "texlive-metapost",
- "texlive-palatino",
- "texlive-preview",
- "texlive-times",
- "texlive-zapfchan",
- "texlive-zapfding",
- ]
-
- progs["latexmk"] = "texlive-latexmk-bin"
-
- match = re.search(r"(Leap)\s+(\d+).(\d)", self.system_release)
- if match:
- rel = int(match.group(2))
-
- # Leap 15.x uses Python 3.6, which is not compatible with
- # the build system anymore. Suggest Python 3.11
- if rel == 15:
- if not self.which(self.python_cmd):
- self.recommend_python = True
- self.deps.add_package(self.python_cmd, DepManager.SYSTEM_MANDATORY)
-
- progs.update({
- "python-sphinx": "python311-Sphinx",
- "virtualenv": "python311-virtualenv",
- "yaml": "python311-PyYAML",
- })
- else:
- # Tumbleweed defaults to Python 3.11
-
- progs.update({
- "python-sphinx": "python313-Sphinx",
- "virtualenv": "python313-virtualenv",
- "yaml": "python313-PyYAML",
- })
-
- # FIXME: add support for installing CJK fonts
- #
- # I tried hard, but was unable to find a way to install
- # "Noto Sans CJK SC" on openSUSE
-
- if self.pdf:
- self.check_rpm_missing(suse_tex_pkgs, DepManager.PDF_MANDATORY)
- if self.pdf:
- self.check_missing_tex()
-
- return self.get_install_progs(progs, "zypper install --no-recommends")
-
- def give_mageia_hints(self):
- """
- Provide package installation hints for Mageia and OpenMandriva.
- """
- progs = {
- "Pod::Usage": "perl-Pod-Usage",
- "convert": "ImageMagick",
- "dot": "graphviz",
- "python-sphinx": "python3-sphinx",
- "rsvg-convert": "librsvg2",
- "virtualenv": "python3-virtualenv",
- "xelatex": "texlive",
- "yaml": "python3-yaml",
- }
-
- tex_pkgs = [
- "texlive-fontsextra",
- ]
-
- if re.search(r"OpenMandriva", self.system_release):
- packager_cmd = "dnf install"
- noto_sans = "noto-sans-cjk-fonts"
- tex_pkgs = ["texlive-collection-fontsextra"]
-
- # Tested on OpenMandriva Lx 4.3
- progs["convert"] = "imagemagick"
- progs["yaml"] = "python-pyyaml"
-
- else:
- packager_cmd = "urpmi"
- noto_sans = "google-noto-sans-cjk-ttc-fonts"
-
- progs["latexmk"] = "texlive-collection-basic"
-
- if self.pdf:
- pdf_pkgs = [
- "/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/TTF/NotoSans-Regular.ttf",
- ]
-
- self.check_missing_file(pdf_pkgs, noto_sans, DepManager.PDF_MANDATORY)
- self.check_rpm_missing(tex_pkgs, DepManager.PDF_MANDATORY)
-
- return self.get_install_progs(progs, packager_cmd)
-
- def give_arch_linux_hints(self):
- """
- Provide package installation hints for ArchLinux.
- """
- progs = {
- "convert": "imagemagick",
- "dot": "graphviz",
- "latexmk": "texlive-core",
- "rsvg-convert": "extra/librsvg",
- "virtualenv": "python-virtualenv",
- "xelatex": "texlive-xetex",
- "yaml": "python-yaml",
- }
-
- archlinux_tex_pkgs = [
- "texlive-core",
- "texlive-latexextra",
- "ttf-dejavu",
- ]
-
- if self.pdf:
- self.check_pacman_missing(archlinux_tex_pkgs,
- DepManager.PDF_MANDATORY)
-
- self.check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc"],
- "noto-fonts-cjk",
- DepManager.PDF_MANDATORY)
-
-
- return self.get_install_progs(progs, "pacman -S")
-
- def give_gentoo_hints(self):
- """
- Provide package installation hints for Gentoo.
- """
- progs = {
- "convert": "media-gfx/imagemagick",
- "dot": "media-gfx/graphviz",
- "rsvg-convert": "gnome-base/librsvg",
- "virtualenv": "dev-python/virtualenv",
- "xelatex": "dev-texlive/texlive-xetex media-fonts/dejavu",
- "yaml": "dev-python/pyyaml",
- "python-sphinx": "dev-python/sphinx",
- }
-
- if self.pdf:
- pdf_pkgs = {
- "media-fonts/dejavu": [
- "/usr/share/fonts/dejavu/DejaVuSans.ttf",
- ],
- "media-fonts/noto-cjk": [
- "/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
- "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc",
- ],
- }
- for package, files in pdf_pkgs.items():
- self.check_missing_file(files, package, DepManager.PDF_MANDATORY)
-
- # Handling dependencies is a nightmare, as Gentoo refuses to emerge
- # some packages if there's no package.use file describing them.
- # To make it worse, compilation flags shall also be present there
- # for some packages. If USE is not perfect, error/warning messages
- # like those are shown:
- #
- # !!! The following binary packages have been ignored due to non matching USE:
- #
- # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_13 qt6 svg
- # =media-gfx/graphviz-12.2.1-r1 X pdf python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
- # =media-gfx/graphviz-12.2.1-r1 X pdf qt6 svg
- # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 qt6 svg
- # =media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
- # =media-fonts/noto-cjk-20190416 X
- # =app-text/texlive-core-2024-r1 X cjk -xetex
- # =app-text/texlive-core-2024-r1 X -xetex
- # =app-text/texlive-core-2024-r1 -xetex
- # =dev-libs/zziplib-0.13.79-r1 sdl
- #
- # And will ignore such packages, installing the remaining ones. That
- # affects mostly the image extension and PDF generation.
-
- # Package dependencies and the minimal needed args:
- portages = {
- "graphviz": "media-gfx/graphviz",
- "imagemagick": "media-gfx/imagemagick",
- "media-libs": "media-libs/harfbuzz icu",
- "media-fonts": "media-fonts/noto-cjk",
- "texlive": "app-text/texlive-core xetex",
- "zziblib": "dev-libs/zziplib sdl",
- }
-
- extra_cmds = ""
- if not self.distro_msg:
- self.distro_msg = "Note: Gentoo requires package.use to be adjusted before emerging packages"
-
- use_base = "/etc/portage/package.use"
- files = glob(f"{use_base}/*")
-
- for fname, portage in portages.items():
- install = False
-
- while install is False:
- if not files:
- # No files under package.usage. Install all
- install = True
- break
-
- args = portage.split(" ")
-
- name = args.pop(0)
-
- cmd = ["grep", "-l", "-E", rf"^{name}\b" ] + files
- result = self.run(cmd, stdout=subprocess.PIPE, text=True)
- if result.returncode or not result.stdout.strip():
- # File containing portage name not found
- install = True
- break
-
- # Ensure that needed USE flags are present
- if args:
- match_fname = result.stdout.strip()
- with open(match_fname, 'r', encoding='utf8',
- errors='backslashreplace') as fp:
- for line in fp:
- for arg in args:
- if arg.startswith("-"):
- continue
-
- if not re.search(rf"\s*{arg}\b", line):
- # Needed file argument not found
- install = True
- break
-
- # Everything looks ok, don't install
- break
-
- # emit a code to setup missing USE
- if install:
- extra_cmds += (f"sudo su -c 'echo \"{portage}\" > {use_base}/{fname}'\n")
-
- # Now, we can use emerge and let it respect USE
- return self.get_install_progs(progs,
- "emerge --ask --changed-use --binpkg-respect-use=y",
- extra_cmds)
-
- def get_install(self):
- """
- OS-specific hints logic. Seeks for a hinter. If found, use it to
- provide package-manager specific install commands.
-
- Otherwise, outputs install instructions for the meta-packages.
-
- Returns a string with the command to be executed to install the
- the needed packages, if distro found. Otherwise, return just a
- list of packages that require installation.
- """
- os_hints = {
- re.compile("Red Hat Enterprise Linux"): self.give_redhat_hints,
- re.compile("Fedora"): self.give_redhat_hints,
- re.compile("AlmaLinux"): self.give_redhat_hints,
- re.compile("Amazon Linux"): self.give_redhat_hints,
- re.compile("CentOS"): self.give_redhat_hints,
- re.compile("openEuler"): self.give_redhat_hints,
- re.compile("Oracle Linux Server"): self.give_redhat_hints,
- re.compile("Rocky Linux"): self.give_redhat_hints,
- re.compile("Springdale Open Enterprise"): self.give_redhat_hints,
-
- re.compile("Ubuntu"): self.give_debian_hints,
- re.compile("Debian"): self.give_debian_hints,
- re.compile("Devuan"): self.give_debian_hints,
- re.compile("Kali"): self.give_debian_hints,
- re.compile("Mint"): self.give_debian_hints,
-
- re.compile("openSUSE"): self.give_opensuse_hints,
-
- re.compile("Mageia"): self.give_mageia_hints,
- re.compile("OpenMandriva"): self.give_mageia_hints,
-
- re.compile("Arch Linux"): self.give_arch_linux_hints,
- re.compile("Gentoo"): self.give_gentoo_hints,
- }
-
- # If the OS is detected, use per-OS hint logic
- for regex, os_hint in os_hints.items():
- if regex.search(self.system_release):
- return os_hint()
-
- #
- # Fall-back to generic hint code for other distros
- # That's far from ideal, specially for LaTeX dependencies.
- #
- progs = {"sphinx-build": "sphinx"}
- if self.pdf:
- self.check_missing_tex()
-
- self.distro_msg = \
- f"I don't know distro {self.system_release}.\n" \
- "So, I can't provide you a hint with the install procedure.\n" \
- "There are likely missing dependencies.\n"
-
- return self.get_install_progs(progs, None)
-
- #
- # Common dependencies
- #
- def deactivate_help(self):
- """
- Print a helper message to disable a virtual environment.
- """
-
- print("\n If you want to exit the virtualenv, you can use:")
- print("\tdeactivate")
-
- def get_virtenv(self):
- """
- Give a hint about how to activate an already-existing virtual
- environment containing sphinx-build.
-
- Returns a tuble with (activate_cmd_path, sphinx_version) with
- the newest available virtual env.
- """
-
- cwd = os.getcwd()
-
- activates = []
-
- # Add all sphinx prefixes with possible version numbers
- for p in self.virtenv_prefix:
- activates += glob(f"{cwd}/{p}[0-9]*/bin/activate")
-
- activates.sort(reverse=True, key=str.lower)
-
- # Place sphinx_latest first, if it exists
- for p in self.virtenv_prefix:
- activates = glob(f"{cwd}/{p}*latest/bin/activate") + activates
-
- ver = (0, 0, 0)
- for f in activates:
- # Discard too old Sphinx virtual environments
- match = re.search(r"(\d+)\.(\d+)\.(\d+)", f)
- if match:
- ver = (int(match.group(1)), int(match.group(2)), int(match.group(3)))
-
- if ver < self.min_version:
- continue
-
- sphinx_cmd = f.replace("activate", "sphinx-build")
- if not os.path.isfile(sphinx_cmd):
- continue
-
- ver = self.get_sphinx_version(sphinx_cmd)
-
- if not ver:
- venv_dir = f.replace("/bin/activate", "")
- print(f"Warning: virtual environment {venv_dir} is not working.\n" \
- "Python version upgrade? Remove it with:\n\n" \
- "\trm -rf {venv_dir}\n\n")
- else:
- if self.need_sphinx and ver >= self.min_version:
- return (f, ver)
- elif parse_version(ver) > self.cur_version:
- return (f, ver)
-
- return ("", ver)
-
- def recommend_sphinx_upgrade(self):
- """
- Check if Sphinx needs to be upgraded.
-
- Returns a tuple with the higest available Sphinx version if found.
- Otherwise, returns None to indicate either that no upgrade is needed
- or no venv was found.
- """
-
- # Avoid running sphinx-builds from venv if cur_version is good
- if self.cur_version and self.cur_version >= RECOMMENDED_VERSION:
- self.latest_avail_ver = self.cur_version
- return None
-
- # Get the highest version from sphinx_*/bin/sphinx-build and the
- # corresponding command to activate the venv/virtenv
- self.activate_cmd, self.venv_ver = self.get_virtenv()
-
- # Store the highest version from Sphinx existing virtualenvs
- if self.activate_cmd and self.venv_ver > self.cur_version:
- self.latest_avail_ver = self.venv_ver
- else:
- if self.cur_version:
- self.latest_avail_ver = self.cur_version
- else:
- self.latest_avail_ver = (0, 0, 0)
-
- # As we don't know package version of Sphinx, and there's no
- # virtual environments, don't check if upgrades are needed
- if not self.virtualenv:
- if not self.latest_avail_ver:
- return None
-
- return self.latest_avail_ver
-
- # Either there are already a virtual env or a new one should be created
- self.need_pip = 1
-
- if not self.latest_avail_ver:
- return None
-
- # Return if the reason is due to an upgrade or not
- if self.latest_avail_ver != (0, 0, 0):
- if self.latest_avail_ver < RECOMMENDED_VERSION:
- self.rec_sphinx_upgrade = 1
-
- return self.latest_avail_ver
-
- def recommend_package(self):
- """
- Recommend installing Sphinx as a distro-specific package.
- """
-
- print("\n2) As a package with:")
-
- old_need = self.deps.need
- old_optional = self.deps.optional
-
- self.pdf = False
- self.deps.optional = 0
- old_verbose = self.verbose_warn_install
- self.verbose_warn_install = 0
-
- self.deps.clear_deps()
-
- self.deps.add_package("python-sphinx", DepManager.PYTHON_MANDATORY)
-
- cmd = self.get_install()
- if cmd:
- print(cmd)
-
- self.deps.need = old_need
- self.deps.optional = old_optional
- self.verbose_warn_install = old_verbose
-
- def recommend_sphinx_version(self, virtualenv_cmd):
- """
- Provide recommendations for installing or upgrading Sphinx based
- on current version.
-
- The logic here is complex, as it have to deal with different versions:
-
- - minimal supported version;
- - minimal PDF version;
- - recommended version.
-
- It also needs to work fine with both distro's package and
- venv/virtualenv
- """
-
- if self.recommend_python:
- print("\nPython version is incompatible with doc build.\n" \
- "Please upgrade it and re-run.\n")
- return
-
-
- # Version is OK. Nothing to do.
- if self.cur_version != (0, 0, 0) and self.cur_version >= RECOMMENDED_VERSION:
- return
-
- if self.latest_avail_ver:
- latest_avail_ver = ver_str(self.latest_avail_ver)
-
- if not self.need_sphinx:
- # sphinx-build is present and its version is >= $min_version
-
- # only recommend enabling a newer virtenv version if makes sense.
- if self.latest_avail_ver and self.latest_avail_ver > self.cur_version:
- print(f"\nYou may also use the newer Sphinx version {latest_avail_ver} with:")
- if f"{self.virtenv_prefix}" in os.getcwd():
- print("\tdeactivate")
- print(f"\t. {self.activate_cmd}")
- self.deactivate_help()
- return
-
- if self.latest_avail_ver and self.latest_avail_ver >= RECOMMENDED_VERSION:
- return
-
- if not self.virtualenv:
- # No sphinx either via package or via virtenv. As we can't
- # Compare the versions here, just return, recommending the
- # user to install it from the package distro.
- if not self.latest_avail_ver or self.latest_avail_ver == (0, 0, 0):
- return
-
- # User doesn't want a virtenv recommendation, but he already
- # installed one via virtenv with a newer version.
- # So, print commands to enable it
- if self.latest_avail_ver > self.cur_version:
- print(f"\nYou may also use the Sphinx virtualenv version {latest_avail_ver} with:")
- if f"{self.virtenv_prefix}" in os.getcwd():
- print("\tdeactivate")
- print(f"\t. {self.activate_cmd}")
- self.deactivate_help()
- return
- print("\n")
- else:
- if self.need_sphinx:
- self.deps.need += 1
-
- # Suggest newer versions if current ones are too old
- if self.latest_avail_ver and self.latest_avail_ver >= self.min_version:
- if self.latest_avail_ver >= RECOMMENDED_VERSION:
- print(f"\nNeed to activate Sphinx (version {latest_avail_ver}) on virtualenv with:")
- print(f"\t. {self.activate_cmd}")
- self.deactivate_help()
- return
-
- # Version is above the minimal required one, but may be
- # below the recommended one. So, print warnings/notes
- if self.latest_avail_ver < RECOMMENDED_VERSION:
- print(f"Warning: It is recommended at least Sphinx version {RECOMMENDED_VERSION}.")
-
- # At this point, either it needs Sphinx or upgrade is recommended,
- # both via pip
-
- if self.rec_sphinx_upgrade:
- if not self.virtualenv:
- print("Instead of install/upgrade Python Sphinx pkg, you could use pip/pypi with:\n\n")
- else:
- print("To upgrade Sphinx, use:\n\n")
- else:
- print("\nSphinx needs to be installed either:\n1) via pip/pypi with:\n")
-
- if not virtualenv_cmd:
- print(" Currently not possible.\n")
- print(" Please upgrade Python to a newer version and run this script again")
- else:
- print(f"\t{virtualenv_cmd} {self.virtenv_dir}")
- print(f"\t. {self.virtenv_dir}/bin/activate")
- print(f"\tpip install -r {self.requirement_file}")
- self.deactivate_help()
-
- if self.package_supported:
- self.recommend_package()
-
- print("\n" \
- " Please note that Sphinx currentlys produce false-positive\n" \
- " warnings when the same name is used for more than one type (functions,\n" \
- " structs, enums,...). This is known Sphinx bug. For more details, see:\n" \
- "\thttps://github.com/sphinx-doc/sphinx/pull/8313")
-
- def check_needs(self):
- """
- Main method that checks needed dependencies and provides
- recommendations.
- """
- self.python_cmd = sys.executable
-
- # Check if Sphinx is already accessible from current environment
- self.check_sphinx(self.conf)
-
- if self.system_release:
- print(f"Detected OS: {self.system_release}.")
- else:
- print("Unknown OS")
- if self.cur_version != (0, 0, 0):
- ver = ver_str(self.cur_version)
- print(f"Sphinx version: {ver}\n")
-
- # Check the type of virtual env, depending on Python version
- virtualenv_cmd = None
-
- if sys.version_info < MIN_PYTHON_VERSION:
- min_ver = ver_str(MIN_PYTHON_VERSION)
- print(f"ERROR: at least python {min_ver} is required to build the kernel docs")
- self.need_sphinx = 1
-
- self.venv_ver = self.recommend_sphinx_upgrade()
-
- if self.need_pip:
- if sys.version_info < MIN_PYTHON_VERSION:
- self.need_pip = False
- print("Warning: python version is not supported.")
-
- else:
- virtualenv_cmd = f"{self.python_cmd} -m venv"
- self.check_python_module("ensurepip")
-
- # Check for needed programs/tools
- self.check_perl_module("Pod::Usage", DepManager.SYSTEM_MANDATORY)
-
- self.check_program("make", DepManager.SYSTEM_MANDATORY)
- self.check_program("gcc", DepManager.SYSTEM_MANDATORY)
-
- self.check_program("dot", DepManager.SYSTEM_OPTIONAL)
- self.check_program("convert", DepManager.SYSTEM_OPTIONAL)
-
- self.check_python_module("yaml")
-
- if self.pdf:
- self.check_program("xelatex", DepManager.PDF_MANDATORY)
- self.check_program("rsvg-convert", DepManager.PDF_MANDATORY)
- self.check_program("latexmk", DepManager.PDF_MANDATORY)
-
- # Do distro-specific checks and output distro-install commands
- cmd = self.get_install()
- if cmd:
- print(cmd)
-
- # If distro requires some special instructions, print here.
- # Please notice that get_install() needs to be called first.
- if self.distro_msg:
- print("\n" + self.distro_msg)
-
- if not self.python_cmd:
- if self.need == 1:
- sys.exit("Can't build as 1 mandatory dependency is missing")
- elif self.need:
- sys.exit(f"Can't build as {self.need} mandatory dependencies are missing")
-
- # Check if sphinx-build is called sphinx-build-3
- if self.need_symlink:
- sphinx_path = self.which("sphinx-build-3")
- if sphinx_path:
- print(f"\tsudo ln -sf {sphinx_path} /usr/bin/sphinx-build\n")
-
- self.recommend_sphinx_version(virtualenv_cmd)
- print("")
-
- if not self.deps.optional:
- print("All optional dependencies are met.")
-
- if self.deps.need == 1:
- sys.exit("Can't build as 1 mandatory dependency is missing")
- elif self.deps.need:
- sys.exit(f"Can't build as {self.deps.need} mandatory dependencies are missing")
-
- print("Needed package dependencies are met.")
-
-DESCRIPTION = """
-Process some flags related to Sphinx installation and documentation build.
-"""
-
-
-def main():
- """Main function"""
- parser = argparse.ArgumentParser(description=DESCRIPTION)
-
- parser.add_argument(
- "--no-virtualenv",
- action="store_false",
- dest="virtualenv",
- help="Recommend installing Sphinx instead of using a virtualenv",
- )
-
- parser.add_argument(
- "--no-pdf",
- action="store_false",
- dest="pdf",
- help="Don't check for dependencies required to build PDF docs",
- )
-
- parser.add_argument(
- "--version-check",
- action="store_true",
- dest="version_check",
- help="If version is compatible, don't check for missing dependencies",
- )
-
- args = parser.parse_args()
-
- checker = SphinxDependencyChecker(args)
-
- checker.check_python()
- checker.check_needs()
-
-# Call main if not used as module
-if __name__ == "__main__":
- main()