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-rwxr-xr-xscripts/sphinx-pre-install2669
1 files changed, 1617 insertions, 1052 deletions
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index 3f8d6925e896..954ed3dc0645 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -1,1056 +1,1621 @@
-#!/usr/bin/env perl
+#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
-use strict;
-
-# Copyright (c) 2017-2020 Mauro Carvalho Chehab <mchehab@kernel.org>
-#
-
-my $prefix = "./";
-$prefix = "$ENV{'srctree'}/" if ($ENV{'srctree'});
-
-my $conf = $prefix . "Documentation/conf.py";
-my $requirement_file = $prefix . "Documentation/sphinx/requirements.txt";
-my $virtenv_prefix = "sphinx_";
-
-#
-# Static vars
-#
-
-my %missing;
-my $system_release;
-my $need = 0;
-my $optional = 0;
-my $need_symlink = 0;
-my $need_sphinx = 0;
-my $need_pip = 0;
-my $need_virtualenv = 0;
-my $rec_sphinx_upgrade = 0;
-my $verbose_warn_install = 1;
-my $install = "";
-my $virtenv_dir = "";
-my $python_cmd = "";
-my $activate_cmd;
-my $min_version;
-my $cur_version;
-my $rec_version = "3.4.3";
-my $latest_avail_ver;
-
-#
-# Command line arguments
-#
-
-my $pdf = 1;
-my $virtualenv = 1;
-my $version_check = 0;
-
-#
-# List of required texlive packages on Fedora and OpenSuse
-#
-
-my %texlive = (
- 'amsfonts.sty' => 'texlive-amsfonts',
- 'amsmath.sty' => 'texlive-amsmath',
- 'amssymb.sty' => 'texlive-amsfonts',
- 'amsthm.sty' => 'texlive-amscls',
- 'anyfontsize.sty' => 'texlive-anyfontsize',
- 'atbegshi.sty' => 'texlive-oberdiek',
- 'bm.sty' => 'texlive-tools',
- 'capt-of.sty' => 'texlive-capt-of',
- 'cmap.sty' => 'texlive-cmap',
- 'ecrm1000.tfm' => 'texlive-ec',
- 'eqparbox.sty' => 'texlive-eqparbox',
- 'eu1enc.def' => 'texlive-euenc',
- 'fancybox.sty' => 'texlive-fancybox',
- 'fancyvrb.sty' => 'texlive-fancyvrb',
- 'float.sty' => 'texlive-float',
- 'fncychap.sty' => 'texlive-fncychap',
- 'footnote.sty' => 'texlive-mdwtools',
- 'framed.sty' => 'texlive-framed',
- 'luatex85.sty' => 'texlive-luatex85',
- 'multirow.sty' => 'texlive-multirow',
- 'needspace.sty' => 'texlive-needspace',
- 'palatino.sty' => 'texlive-psnfss',
- 'parskip.sty' => 'texlive-parskip',
- 'polyglossia.sty' => 'texlive-polyglossia',
- 'tabulary.sty' => 'texlive-tabulary',
- 'threeparttable.sty' => 'texlive-threeparttable',
- 'titlesec.sty' => 'texlive-titlesec',
- 'ucs.sty' => 'texlive-ucs',
- 'upquote.sty' => 'texlive-upquote',
- 'wrapfig.sty' => 'texlive-wrapfig',
- 'ctexhook.sty' => 'texlive-ctex',
-);
-
-#
-# Subroutines that checks if a feature exists
-#
-
-sub check_missing(%)
-{
- my %map = %{$_[0]};
-
- foreach my $prog (sort keys %missing) {
- my $is_optional = $missing{$prog};
-
- # 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 ($is_optional == 2 && !$pdf) {
- $optional--;
- next;
- }
-
- if ($verbose_warn_install) {
- if ($is_optional) {
- print "Warning: better to also install \"$prog\".\n";
- } else {
- print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
- }
- }
- if (defined($map{$prog})) {
- $install .= " " . $map{$prog};
- } else {
- $install .= " " . $prog;
- }
- }
-
- $install =~ s/^\s//;
-}
-
-sub add_package($$)
-{
- my $package = shift;
- my $is_optional = shift;
-
- $missing{$package} = $is_optional;
- if ($is_optional) {
- $optional++;
- } else {
- $need++;
- }
-}
-
-sub check_missing_file($$$)
-{
- my $files = shift;
- my $package = shift;
- my $is_optional = shift;
-
- for (@$files) {
- return if(-e $_);
- }
-
- add_package($package, $is_optional);
-}
-
-sub findprog($)
-{
- foreach(split(/:/, $ENV{PATH})) {
- return "$_/$_[0]" if(-x "$_/$_[0]");
- }
-}
-
-sub find_python_no_venv()
-{
- my $prog = shift;
-
- my $cur_dir = qx(pwd);
- $cur_dir =~ s/\s+$//;
-
- foreach my $dir (split(/:/, $ENV{PATH})) {
- next if ($dir =~ m,($cur_dir)/sphinx,);
- return "$dir/python3" if(-x "$dir/python3");
- }
- foreach my $dir (split(/:/, $ENV{PATH})) {
- next if ($dir =~ m,($cur_dir)/sphinx,);
- return "$dir/python" if(-x "$dir/python");
- }
- return "python";
-}
-
-sub check_program($$)
-{
- my $prog = shift;
- my $is_optional = shift;
-
- return $prog if findprog($prog);
-
- add_package($prog, $is_optional);
-}
-
-sub check_perl_module($$)
-{
- my $prog = shift;
- my $is_optional = shift;
-
- my $err = system("perl -M$prog -e 1 2>/dev/null /dev/null");
- return if ($err == 0);
-
- add_package($prog, $is_optional);
-}
-
-sub check_python_module($$)
-{
- my $prog = shift;
- my $is_optional = shift;
-
- return if (!$python_cmd);
-
- my $err = system("$python_cmd -c 'import $prog' 2>/dev/null /dev/null");
- return if ($err == 0);
-
- add_package($prog, $is_optional);
-}
-
-sub check_rpm_missing($$)
-{
- my @pkgs = @{$_[0]};
- my $is_optional = $_[1];
-
- foreach my $prog(@pkgs) {
- my $err = system("rpm -q '$prog' 2>/dev/null >/dev/null");
- add_package($prog, $is_optional) if ($err);
- }
-}
-
-sub check_pacman_missing($$)
-{
- my @pkgs = @{$_[0]};
- my $is_optional = $_[1];
-
- foreach my $prog(@pkgs) {
- my $err = system("pacman -Q '$prog' 2>/dev/null >/dev/null");
- add_package($prog, $is_optional) if ($err);
- }
-}
-
-sub check_missing_tex($)
-{
- my $is_optional = shift;
- my $kpsewhich = findprog("kpsewhich");
-
- foreach my $prog(keys %texlive) {
- my $package = $texlive{$prog};
- if (!$kpsewhich) {
- add_package($package, $is_optional);
- next;
- }
- my $file = qx($kpsewhich $prog);
- add_package($package, $is_optional) if ($file =~ /^\s*$/);
- }
-}
-
-sub get_sphinx_fname()
-{
- if ($ENV{'SPHINXBUILD'}) {
- return $ENV{'SPHINXBUILD'};
- }
-
- my $fname = "sphinx-build";
- return $fname if findprog($fname);
-
- $fname = "sphinx-build-3";
- if (findprog($fname)) {
- $need_symlink = 1;
- return $fname;
- }
-
- return "";
-}
-
-sub get_sphinx_version($)
-{
- my $cmd = shift;
- my $ver;
-
- open IN, "$cmd --version 2>&1 |";
- while (<IN>) {
- if (m/^\s*sphinx-build\s+([\d\.]+)((\+\/[\da-f]+)|(b\d+))?$/) {
- $ver=$1;
- last;
- }
- # Sphinx 1.2.x uses a different format
- if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
- $ver=$1;
- last;
- }
- }
- close IN;
- return $ver;
-}
-
-sub check_sphinx()
-{
- open IN, $conf or die "Can't open $conf";
- while (<IN>) {
- if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
- $min_version=$1;
- last;
- }
- }
- close IN;
-
- die "Can't get needs_sphinx version from $conf" if (!$min_version);
-
- $virtenv_dir = $virtenv_prefix . "latest";
-
- my $sphinx = get_sphinx_fname();
- if ($sphinx eq "") {
- $need_sphinx = 1;
- return;
- }
-
- $cur_version = get_sphinx_version($sphinx);
- die "$sphinx didn't return its version" if (!$cur_version);
-
- if ($cur_version lt $min_version) {
- printf "ERROR: Sphinx version is %s. It should be >= %s\n",
- $cur_version, $min_version;
- $need_sphinx = 1;
- return;
- }
-
- return if ($cur_version lt $rec_version);
-
- # On version check mode, just assume Sphinx has all mandatory deps
- exit (0) if ($version_check);
-}
-
-#
-# Ancillary subroutines
-#
-
-sub catcheck($)
-{
- my $res = "";
- $res = qx(cat $_[0]) if (-r $_[0]);
- return $res;
-}
-
-sub which($)
-{
- my $file = shift;
- my @path = split ":", $ENV{PATH};
-
- foreach my $dir(@path) {
- my $name = $dir.'/'.$file;
- return $name if (-x $name );
- }
- return undef;
-}
-
-#
-# Subroutines that check distro-specific hints
-#
-
-sub give_debian_hints()
-{
- my %map = (
- "python-sphinx" => "python3-sphinx",
- "yaml" => "python3-yaml",
- "ensurepip" => "python3-venv",
- "virtualenv" => "virtualenv",
- "dot" => "graphviz",
- "convert" => "imagemagick",
- "Pod::Usage" => "perl-modules",
- "xelatex" => "texlive-xetex",
- "rsvg-convert" => "librsvg2-bin",
- );
-
- if ($pdf) {
- check_missing_file(["/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty"],
- "texlive-lang-chinese", 2);
-
- check_missing_file(["/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"],
- "fonts-dejavu", 2);
-
- check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc"],
- "fonts-noto-cjk", 2);
- }
-
- check_program("dvipng", 2) if ($pdf);
- check_missing(\%map);
-
- return if (!$need && !$optional);
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo apt-get install $install\n");
-}
-
-sub give_redhat_hints()
-{
- my %map = (
- "python-sphinx" => "python3-sphinx",
- "yaml" => "python3-pyyaml",
- "virtualenv" => "python3-virtualenv",
- "dot" => "graphviz",
- "convert" => "ImageMagick",
- "Pod::Usage" => "perl-Pod-Usage",
- "xelatex" => "texlive-xetex-bin",
- "rsvg-convert" => "librsvg2-tools",
- );
-
- my @fedora26_opt_pkgs = (
- "graphviz-gd", # Fedora 26: needed for PDF support
- );
-
- my @fedora_tex_pkgs = (
- "texlive-collection-fontsrecommended",
- "texlive-collection-latex",
- "texlive-xecjk",
- "dejavu-sans-fonts",
- "dejavu-serif-fonts",
- "dejavu-sans-mono-fonts",
- );
-
- #
- # Checks valid for RHEL/CentOS version 7.x.
- #
- my $old = 0;
- my $rel;
- my $noto_sans_redhat = "google-noto-sans-cjk-ttc-fonts";
- $rel = $1 if ($system_release =~ /(release|Linux)\s+(\d+)/);
-
- if (!($system_release =~ /Fedora/)) {
- $map{"virtualenv"} = "python-virtualenv";
-
- if ($rel && $rel < 8) {
- $old = 1;
- $pdf = 0;
-
- printf("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output\n");
- printf("If you want to build PDF, please read:\n");
- printf("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/\n");
- }
- } else {
- if ($rel && $rel < 26) {
- $old = 1;
- }
- if ($rel && $rel >= 38) {
- $noto_sans_redhat = "google-noto-sans-cjk-fonts";
- }
- }
- if (!$rel) {
- printf("Couldn't identify release number\n");
- $old = 1;
- $pdf = 0;
- }
-
- if ($pdf) {
- check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/google-noto-sans-cjk-fonts/NotoSansCJK-Regular.ttc"],
- $noto_sans_redhat, 2);
- }
-
- check_rpm_missing(\@fedora26_opt_pkgs, 2) if ($pdf && !$old);
- check_rpm_missing(\@fedora_tex_pkgs, 2) if ($pdf);
- check_missing_tex(2) if ($pdf);
- check_missing(\%map);
-
- return if (!$need && !$optional);
-
- if (!$old) {
- # dnf, for Fedora 18+
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo dnf install -y $install\n");
- } else {
- # yum, for RHEL (and clones) or Fedora version < 18
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo yum install -y $install\n");
- }
-}
-
-sub give_opensuse_hints()
-{
- my %map = (
- "python-sphinx" => "python3-sphinx",
- "yaml" => "python3-pyyaml",
- "virtualenv" => "python3-virtualenv",
- "dot" => "graphviz",
- "convert" => "ImageMagick",
- "Pod::Usage" => "perl-Pod-Usage",
- "xelatex" => "texlive-xetex-bin",
- );
-
- # On Tumbleweed, this package is also named rsvg-convert
- $map{"rsvg-convert"} = "rsvg-view" if (!($system_release =~ /Tumbleweed/));
-
- my @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",
- );
-
- $map{"latexmk"} = "texlive-latexmk-bin";
-
- # FIXME: add support for installing CJK fonts
- #
- # I tried hard, but was unable to find a way to install
- # "Noto Sans CJK SC" on openSUSE
-
- check_rpm_missing(\@suse_tex_pkgs, 2) if ($pdf);
- check_missing_tex(2) if ($pdf);
- check_missing(\%map);
-
- return if (!$need && !$optional);
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo zypper install --no-recommends $install\n");
-}
-
-sub give_mageia_hints()
-{
- my %map = (
- "python-sphinx" => "python3-sphinx",
- "yaml" => "python3-yaml",
- "virtualenv" => "python3-virtualenv",
- "dot" => "graphviz",
- "convert" => "ImageMagick",
- "Pod::Usage" => "perl-Pod-Usage",
- "xelatex" => "texlive",
- "rsvg-convert" => "librsvg2",
- );
-
- my @tex_pkgs = (
- "texlive-fontsextra",
- );
-
- $map{"latexmk"} = "texlive-collection-basic";
-
- my $packager_cmd;
- my $noto_sans;
- if ($system_release =~ /OpenMandriva/) {
- $packager_cmd = "dnf install";
- $noto_sans = "noto-sans-cjk-fonts";
- @tex_pkgs = ( "texlive-collection-fontsextra" );
- } else {
- $packager_cmd = "urpmi";
- $noto_sans = "google-noto-sans-cjk-ttc-fonts";
- }
-
-
- if ($pdf) {
- check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/TTF/NotoSans-Regular.ttf"],
- $noto_sans, 2);
- }
-
- check_rpm_missing(\@tex_pkgs, 2) if ($pdf);
- check_missing(\%map);
-
- return if (!$need && !$optional);
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo $packager_cmd $install\n");
-}
-
-sub give_arch_linux_hints()
-{
- my %map = (
- "yaml" => "python-yaml",
- "virtualenv" => "python-virtualenv",
- "dot" => "graphviz",
- "convert" => "imagemagick",
- "xelatex" => "texlive-xetex",
- "latexmk" => "texlive-core",
- "rsvg-convert" => "extra/librsvg",
- );
-
- my @archlinux_tex_pkgs = (
- "texlive-core",
- "texlive-latexextra",
- "ttf-dejavu",
- );
- check_pacman_missing(\@archlinux_tex_pkgs, 2) if ($pdf);
-
- if ($pdf) {
- check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc"],
- "noto-fonts-cjk", 2);
- }
-
- check_missing(\%map);
-
- return if (!$need && !$optional);
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n\tsudo pacman -S $install\n");
-}
-
-sub give_gentoo_hints()
-{
- my %map = (
- "yaml" => "dev-python/pyyaml",
- "virtualenv" => "dev-python/virtualenv",
- "dot" => "media-gfx/graphviz",
- "convert" => "media-gfx/imagemagick",
- "xelatex" => "dev-texlive/texlive-xetex media-fonts/dejavu",
- "rsvg-convert" => "gnome-base/librsvg",
- );
-
- check_missing_file(["/usr/share/fonts/dejavu/DejaVuSans.ttf"],
- "media-fonts/dejavu", 2) if ($pdf);
-
- if ($pdf) {
- check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
- "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc"],
- "media-fonts/noto-cjk", 2);
- }
-
- check_missing(\%map);
-
- return if (!$need && !$optional);
-
- printf("You should run:\n") if ($verbose_warn_install);
- printf("\n");
-
- my $imagemagick = "media-gfx/imagemagick svg png";
- my $cairo = "media-gfx/graphviz cairo pdf";
- my $portage_imagemagick = "/etc/portage/package.use/imagemagick";
- my $portage_cairo = "/etc/portage/package.use/graphviz";
-
- if (qx(grep imagemagick $portage_imagemagick 2>/dev/null) eq "") {
- printf("\tsudo su -c 'echo \"$imagemagick\" > $portage_imagemagick'\n")
- }
- if (qx(grep graphviz $portage_cairo 2>/dev/null) eq "") {
- printf("\tsudo su -c 'echo \"$cairo\" > $portage_cairo'\n");
- }
-
- printf("\tsudo emerge --ask $install\n");
-
-}
-
-sub check_distros()
-{
- # Distro-specific hints
- if ($system_release =~ /Red Hat Enterprise Linux/) {
- give_redhat_hints;
- return;
- }
- if ($system_release =~ /CentOS/) {
- give_redhat_hints;
- return;
- }
- if ($system_release =~ /Scientific Linux/) {
- give_redhat_hints;
- return;
- }
- if ($system_release =~ /Oracle Linux Server/) {
- give_redhat_hints;
- return;
- }
- if ($system_release =~ /Fedora/) {
- give_redhat_hints;
- return;
- }
- if ($system_release =~ /Ubuntu/) {
- give_debian_hints;
- return;
- }
- if ($system_release =~ /Debian/) {
- give_debian_hints;
- return;
- }
- if ($system_release =~ /openSUSE/) {
- give_opensuse_hints;
- return;
- }
- if ($system_release =~ /Mageia/) {
- give_mageia_hints;
- return;
- }
- if ($system_release =~ /OpenMandriva/) {
- give_mageia_hints;
- return;
- }
- if ($system_release =~ /Arch Linux/) {
- give_arch_linux_hints;
- return;
- }
- if ($system_release =~ /Gentoo/) {
- give_gentoo_hints;
- return;
- }
-
- #
- # Fall-back to generic hint code for other distros
- # That's far from ideal, specially for LaTeX dependencies.
- #
- my %map = (
- "sphinx-build" => "sphinx"
- );
- check_missing_tex(2) if ($pdf);
- check_missing(\%map);
- print "I don't know distro $system_release.\n";
- print "So, I can't provide you a hint with the install procedure.\n";
- print "There are likely missing dependencies.\n";
-}
-
-#
-# Common dependencies
+# 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 = False
+ 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 = {
+ "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",
+ ],
+ "tex-gyre": [
+ "/usr/share/texmf/tex/latex/tex-gyre/tgtermes.sty"
+ ],
+ "texlive-fonts-recommended": [
+ "/usr/share/texlive/texmf-dist/fonts/tfm/adobe/zapfding/pzdr.tfm",
+ ],
+ "texlive-lang-chinese": [
+ "/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty",
+ ],
+ }
+
+ for package, files in pdf_pkgs.items():
+ self.check_missing_file(files, package, DepManager.PDF_MANDATORY)
+
+ self.check_program("dvipng", DepManager.PDF_MANDATORY)
+
+ if not self.distro_msg:
+ self.distro_msg = \
+ "Note: ImageMagick is broken on some distros, affecting PDF output. For more details:\n" \
+ "\thttps://askubuntu.com/questions/1158894/imagemagick-still-broken-using-with-usr-bin-convert"
+
+ 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.check_program("python3.9", DepManager.SYSTEM_MANDATORY)
+ progs["python3.9"] = "python39"
+ progs["yaml"] = "python39-pyyaml"
+
+ self.recommend_python = True
+
+ # There's no python39-sphinx package. Only pip is supported
+ self.package_supported = False
+
+ 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 texlive-dejavu",
+ "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.check_program("python3.11", DepManager.SYSTEM_MANDATORY)
+ progs["python3.11"] = "python311"
+ self.recommend_python = True
+
+ progs.update({
+ "python-sphinx": "python311-Sphinx python311-Sphinx-latex",
+ "virtualenv": "python311-virtualenv",
+ "yaml": "python311-PyYAML",
+ })
+ else:
+ # Tumbleweed defaults to Python 3.11
+
+ progs.update({
+ "python-sphinx": "python313-Sphinx python313-Sphinx-latex",
+ "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",
+ "texlive-fonts-asian",
+ "fonts-ttf-dejavu",
+ ]
+
+ if re.search(r"OpenMandriva", self.system_release):
+ packager_cmd = "dnf install"
+ noto_sans = "noto-sans-cjk-fonts"
+ tex_pkgs = [
+ "texlive-collection-basic",
+ "texlive-collection-langcjk",
+ "texlive-collection-fontsextra",
+ "texlive-collection-fontsrecommended"
+ ]
+
+ # Tested on OpenMandriva Lx 4.3
+ progs["convert"] = "imagemagick"
+ progs["yaml"] = "python-pyyaml"
+ progs["python-virtualenv"] = "python-virtualenv"
+ progs["python-sphinx"] = "python-sphinx"
+ progs["xelatex"] = "texlive"
+
+ self.check_program("python-virtualenv", DepManager.PYTHON_MANDATORY)
+
+ # On my tests with openMandriva LX 4.0 docker image, upgraded
+ # to 4.3, python-virtualenv package is broken: it is missing
+ # ensurepip. Without it, the alternative would be to run:
+ # python3 -m venv --without-pip ~/sphinx_latest, but running
+ # pip there won't install sphinx at venv.
+ #
+ # Add a note about that.
+
+ if not self.distro_msg:
+ self.distro_msg = \
+ "Notes:\n"\
+ "1. for venv, ensurepip could be broken, preventing its install method.\n" \
+ "2. at least on OpenMandriva LX 4.3, texlive packages seem broken"
+
+ 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-basic",
+ "texlive-binextra",
+ "texlive-core",
+ "texlive-fontsrecommended",
+ "texlive-langchinese",
+ "texlive-langcjk",
+ "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.
+ """
+ texlive_deps = [
+ "dev-texlive/texlive-fontsrecommended",
+ "dev-texlive/texlive-latexextra",
+ "dev-texlive/texlive-xetex",
+ "media-fonts/dejavu",
+ ]
+
+ progs = {
+ "convert": "media-gfx/imagemagick",
+ "dot": "media-gfx/graphviz",
+ "rsvg-convert": "gnome-base/librsvg",
+ "virtualenv": "dev-python/virtualenv",
+ "xelatex": " ".join(texlive_deps),
+ "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."
+
+ 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 = True
+
+ 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:
+ cur_ver = sys.version_info[:3]
+ if cur_ver < MIN_PYTHON_VERSION:
+ print(f"\nPython version {cur_ver} 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("which", 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",
+ )
-sub deactivate_help()
-{
- printf "\n If you want to exit the virtualenv, you can use:\n";
- printf "\tdeactivate\n";
-}
-
-sub get_virtenv()
-{
- my $ver;
- my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
- my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
-
- @activates = sort {$b cmp $a} @activates;
-
- foreach my $f (@activates) {
- next if ($f lt $min_activate);
-
- my $sphinx_cmd = $f;
- $sphinx_cmd =~ s/activate/sphinx-build/;
- next if (! -f $sphinx_cmd);
-
- my $ver = get_sphinx_version($sphinx_cmd);
-
- if (!$ver) {
- $f =~ s#/bin/activate##;
- print("Warning: virtual environment $f is not working.\nPython version upgrade? Remove it with:\n\n\trm -rf $f\n\n");
- }
-
- if ($need_sphinx && ($ver ge $min_version)) {
- return ($f, $ver);
- } elsif ($ver gt $cur_version) {
- return ($f, $ver);
- }
- }
- return ("", "");
-}
-
-sub recommend_sphinx_upgrade()
-{
- my $venv_ver;
-
- # Avoid running sphinx-builds from venv if $cur_version is good
- if ($cur_version && ($cur_version ge $rec_version)) {
- $latest_avail_ver = $cur_version;
- return;
- }
-
- # Get the highest version from sphinx_*/bin/sphinx-build and the
- # corresponding command to activate the venv/virtenv
- ($activate_cmd, $venv_ver) = get_virtenv();
-
- # Store the highest version from Sphinx existing virtualenvs
- if (($activate_cmd ne "") && ($venv_ver gt $cur_version)) {
- $latest_avail_ver = $venv_ver;
- } else {
- $latest_avail_ver = $cur_version if ($cur_version);
- }
-
- # As we don't know package version of Sphinx, and there's no
- # virtual environments, don't check if upgrades are needed
- if (!$virtualenv) {
- return if (!$latest_avail_ver);
- }
-
- # Either there are already a virtual env or a new one should be created
- $need_pip = 1;
-
- return if (!$latest_avail_ver);
-
- # Return if the reason is due to an upgrade or not
- if ($latest_avail_ver lt $rec_version) {
- $rec_sphinx_upgrade = 1;
- }
-
- return $latest_avail_ver;
-}
-
-#
-# The logic here is complex, as it have to deal with different versions:
-# - minimal supported version;
-# - minimal PDF version;
-# - recommended version.
-# It also needs to work fine with both distro's package and venv/virtualenv
-sub recommend_sphinx_version($)
-{
- my $virtualenv_cmd = shift;
-
- # Version is OK. Nothing to do.
- if ($cur_version && ($cur_version ge $rec_version)) {
- return;
- };
-
- if (!$need_sphinx) {
- # sphinx-build is present and its version is >= $min_version
-
- #only recommend enabling a newer virtenv version if makes sense.
- if ($latest_avail_ver gt $cur_version) {
- printf "\nYou may also use the newer Sphinx version $latest_avail_ver with:\n";
- printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
- printf "\t. $activate_cmd\n";
- deactivate_help();
-
- return;
- }
- return if ($latest_avail_ver ge $rec_version);
- }
-
- if (!$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.
- return if (!$latest_avail_ver);
-
- # User doesn't want a virtenv recommendation, but he already
- # installed one via virtenv with a newer version.
- # So, print commands to enable it
- if ($latest_avail_ver gt $cur_version) {
- printf "\nYou may also use the Sphinx virtualenv version $latest_avail_ver with:\n";
- printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
- printf "\t. $activate_cmd\n";
- deactivate_help();
-
- return;
- }
- print "\n";
- } else {
- $need++ if ($need_sphinx);
- }
-
- # Suggest newer versions if current ones are too old
- if ($latest_avail_ver && $latest_avail_ver ge $min_version) {
- # If there's a good enough version, ask the user to enable it
- if ($latest_avail_ver ge $rec_version) {
- printf "\nNeed to activate Sphinx (version $latest_avail_ver) on virtualenv with:\n";
- printf "\t. $activate_cmd\n";
- deactivate_help();
-
- return;
- }
-
- # Version is above the minimal required one, but may be
- # below the recommended one. So, print warnings/notes
-
- if ($latest_avail_ver lt $rec_version) {
- print "Warning: It is recommended at least Sphinx version $rec_version.\n";
- }
- }
-
- # At this point, either it needs Sphinx or upgrade is recommended,
- # both via pip
-
- if ($rec_sphinx_upgrade) {
- if (!$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\n";
- }
-
- $python_cmd = find_python_no_venv();
-
- printf "\t$virtualenv_cmd $virtenv_dir\n";
-
- printf "\t. $virtenv_dir/bin/activate\n";
- printf "\tpip install -r $requirement_file\n";
- deactivate_help();
-
- printf "\n2) As a package with:\n";
-
- my $old_need = $need;
- my $old_optional = $optional;
- %missing = ();
- $pdf = 0;
- $optional = 0;
- $install = "";
- $verbose_warn_install = 0;
-
- add_package("python-sphinx", 0);
-
- check_distros();
-
- $need = $old_need;
- $optional = $old_optional;
-
- printf "\n Please note that Sphinx >= 3.0 will currently produce false-positive\n";
- printf " warning when the same name is used for more than one type (functions,\n";
- printf " structs, enums,...). This is known Sphinx bug. For more details, see:\n";
- printf "\thttps://github.com/sphinx-doc/sphinx/pull/8313\n";
-}
-
-sub check_needs()
-{
- # Check if Sphinx is already accessible from current environment
- check_sphinx();
-
- if ($system_release) {
- print "Detected OS: $system_release.\n";
- } else {
- print "Unknown OS\n";
- }
- printf "Sphinx version: %s\n\n", $cur_version if ($cur_version);
-
- # Check python command line, trying first python3
- $python_cmd = findprog("python3");
- $python_cmd = check_program("python", 0) if (!$python_cmd);
-
- # Check the type of virtual env, depending on Python version
- if ($python_cmd) {
- if ($virtualenv) {
- my $tmp = qx($python_cmd --version 2>&1);
- if ($tmp =~ m/(\d+\.)(\d+\.)/) {
- if ($1 < 3) {
- # Fail if it finds python2 (or worse)
- die "Python 3 is required to build the kernel docs\n";
- }
- if ($1 == 3 && $2 < 3) {
- # Need Python 3.3 or upper for venv
- $need_virtualenv = 1;
- }
- } else {
- die "Warning: couldn't identify $python_cmd version!";
- }
- } else {
- add_package("python-sphinx", 0);
- }
- }
-
- my $venv_ver = recommend_sphinx_upgrade();
-
- my $virtualenv_cmd;
-
- if ($need_pip) {
- # Set virtualenv command line, if python < 3.3
- if ($need_virtualenv) {
- $virtualenv_cmd = findprog("virtualenv-3");
- $virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
- if (!$virtualenv_cmd) {
- check_program("virtualenv", 0);
- $virtualenv_cmd = "virtualenv";
- }
- } else {
- $virtualenv_cmd = "$python_cmd -m venv";
- check_python_module("ensurepip", 0);
- }
- }
-
- # Check for needed programs/tools
- check_perl_module("Pod::Usage", 0);
- check_python_module("yaml", 0);
- check_program("make", 0);
- check_program("gcc", 0);
- check_program("dot", 1);
- check_program("convert", 1);
-
- # Extra PDF files - should use 2 for is_optional
- check_program("xelatex", 2) if ($pdf);
- check_program("rsvg-convert", 2) if ($pdf);
- check_program("latexmk", 2) if ($pdf);
-
- # Do distro-specific checks and output distro-install commands
- check_distros();
-
- if (!$python_cmd) {
- if ($need == 1) {
- die "Can't build as $need mandatory dependency is missing";
- } elsif ($need) {
- die "Can't build as $need mandatory dependencies are missing";
- }
- }
-
- # Check if sphinx-build is called sphinx-build-3
- if ($need_symlink) {
- printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
- which("sphinx-build-3");
- }
-
- recommend_sphinx_version($virtualenv_cmd);
- printf "\n";
-
- print "All optional dependencies are met.\n" if (!$optional);
-
- if ($need == 1) {
- die "Can't build as $need mandatory dependency is missing";
- } elsif ($need) {
- die "Can't build as $need mandatory dependencies are missing";
- }
-
- print "Needed package dependencies are met.\n";
-}
-
-#
-# Main
-#
-
-while (@ARGV) {
- my $arg = shift(@ARGV);
-
- if ($arg eq "--no-virtualenv") {
- $virtualenv = 0;
- } elsif ($arg eq "--no-pdf"){
- $pdf = 0;
- } elsif ($arg eq "--version-check"){
- $version_check = 1;
- } else {
- print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf> <--version-check>\n\n";
- print "Where:\n";
- print "\t--no-virtualenv\t- Recommend installing Sphinx instead of using a virtualenv\n";
- print "\t--version-check\t- if version is compatible, don't check for missing dependencies\n";
- print "\t--no-pdf\t- don't check for dependencies required to build PDF docs\n\n";
- exit -1;
- }
-}
-
-#
-# Determine the system type. There's no standard unique way that would
-# work with all distros with a minimal package install. So, several
-# methods are used here.
-#
-# By default, it will use lsb_release function. If not available, it will
-# fail back to reading the known different places where the distro name
-# is stored
-#
+ args = parser.parse_args()
+
+ checker = SphinxDependencyChecker(args)
-$system_release = qx(lsb_release -d) if which("lsb_release");
-$system_release =~ s/Description:\s*// if ($system_release);
-$system_release = catcheck("/etc/system-release") if !$system_release;
-$system_release = catcheck("/etc/redhat-release") if !$system_release;
-$system_release = catcheck("/etc/lsb-release") if !$system_release;
-$system_release = catcheck("/etc/gentoo-release") if !$system_release;
-
-# This seems more common than LSB these days
-if (!$system_release) {
- my %os_var;
- if (open IN, "cat /etc/os-release|") {
- while (<IN>) {
- if (m/^([\w\d\_]+)=\"?([^\"]*)\"?\n/) {
- $os_var{$1}=$2;
- }
- }
- $system_release = $os_var{"NAME"};
- if (defined($os_var{"VERSION_ID"})) {
- $system_release .= " " . $os_var{"VERSION_ID"} if (defined($os_var{"VERSION_ID"}));
- } else {
- $system_release .= " " . $os_var{"VERSION"};
- }
- }
-}
-$system_release = catcheck("/etc/issue") if !$system_release;
-$system_release =~ s/\s+$//;
-
-check_needs;
+ checker.check_python()
+ checker.check_needs()
+
+# Call main if not used as module
+if __name__ == "__main__":
+ main()
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-04 15:37:15 +0000