|  | #!/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 = 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", | 
|  | ) | 
|  |  | 
|  | args = parser.parse_args() | 
|  |  | 
|  | checker = SphinxDependencyChecker(args) | 
|  |  | 
|  | checker.check_python() | 
|  | checker.check_needs() | 
|  |  | 
|  | # Call main if not used as module | 
|  | if __name__ == "__main__": | 
|  | main() |