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usr/lib/python3/dist-packages/DistUpgrade/distro.py 0000644 00000056323 15030164162 0016346 0 ustar 00 # distro.py - Provide a distro abstraction of the sources.list # # Copyright (c) 2004-2009 Canonical Ltd. # Copyright (c) 2006-2007 Sebastian Heinlein # Copyright (c) 2016 Harald Sitter # # Authors: Sebastian Heinlein <glatzor@ubuntu.com> # Michael Vogt <mvo@debian.org> # Harald Sitter <sitter@kde.org> # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation; either version 2 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 # USA import gettext import logging import re import shlex import os from xml.etree.ElementTree import ElementTree from apt_pkg import gettext as _ class NoDistroTemplateException(Exception): pass class Distribution(object): def __init__(self, id, codename, description, release, is_like=[]): """ Container for distribution specific informations """ # LSB information self.id = id self.codename = codename self.description = description self.release = release self.is_like = is_like self.binary_type = "deb" self.source_type = "deb-src" def get_sources(self, sourceslist): """ Find the corresponding template, main and child sources for the distribution """ self.sourceslist = sourceslist # corresponding sources self.source_template = None self.child_sources = [] self.main_sources = [] self.disabled_sources = [] self.cdrom_sources = [] self.download_comps = [] self.enabled_comps = [] self.cdrom_comps = [] self.used_media = [] self.get_source_code = False self.source_code_sources = [] # location of the sources self.default_server = "" self.main_server = "" self.nearest_server = "" self.used_servers = [] # find the distro template for template in self.sourceslist.matcher.templates: if (self.is_codename(template.name) and template.distribution == self.id): #print "yeah! found a template for %s" % self.description #print template.description, template.base_uri, \ # template.components self.source_template = template break if self.source_template is None: raise NoDistroTemplateException( "Error: could not find a distribution template for %s/%s" % (self.id, self.codename)) # find main and child sources media = [] comps = [] cdrom_comps = [] enabled_comps = [] #source_code = [] for source in self.sourceslist.list: if (not source.invalid and self.is_codename(source.dist) and source.template and source.template.official and self.is_codename(source.template.name)): #print "yeah! found a distro repo: %s" % source.line # cdroms need do be handled differently if (source.uri.startswith("cdrom:") and not source.disabled): self.cdrom_sources.append(source) cdrom_comps.extend(source.comps) elif (source.uri.startswith("cdrom:") and source.disabled): self.cdrom_sources.append(source) elif (source.type == self.binary_type and not source.disabled): self.main_sources.append(source) comps.extend(source.comps) media.append(source.uri) elif (source.type == self.binary_type and source.disabled): self.disabled_sources.append(source) elif (source.type == self.source_type and not source.disabled): self.source_code_sources.append(source) elif (source.type == self.source_type and source.disabled): self.disabled_sources.append(source) if (not source.invalid and source.template in self.source_template.children): if (not source.disabled and source.type == self.binary_type): self.child_sources.append(source) elif (not source.disabled and source.type == self.source_type): self.source_code_sources.append(source) else: self.disabled_sources.append(source) self.download_comps = set(comps) self.cdrom_comps = set(cdrom_comps) enabled_comps.extend(comps) enabled_comps.extend(cdrom_comps) self.enabled_comps = set(enabled_comps) self.used_media = set(media) self.get_mirrors() def get_mirrors(self, mirror_template=None): """ Provide a set of mirrors where you can get the distribution from """ # the main server is stored in the template self.main_server = self.source_template.base_uri # other used servers for medium in self.used_media: if not medium.startswith("cdrom:"): # seems to be a network source self.used_servers.append(medium) if len(self.main_sources) == 0: self.default_server = self.main_server else: self.default_server = self.main_sources[0].uri # get a list of country codes and real names self.countries = {} fname = "/usr/share/xml/iso-codes/iso_3166.xml" if os.path.exists(fname): et = ElementTree(file=fname) # python2.6 compat, the next two lines can get removed # once we do not use py2.6 anymore if getattr(et, "iter", None) is None: et.iter = et.getiterator it = et.iter('iso_3166_entry') for elm in it: try: descr = elm.attrib["common_name"] except KeyError: descr = elm.attrib["name"] try: code = elm.attrib["alpha_2_code"] except KeyError: code = elm.attrib["alpha_3_code"] self.countries[code.lower()] = gettext.dgettext('iso_3166', descr) # try to guess the nearest mirror from the locale self.country = None self.country_code = None locale = os.getenv("LANG", default="en_UK") a = locale.find("_") z = locale.find(".") if z == -1: z = len(locale) country_code = locale[a + 1:z].lower() if mirror_template: self.nearest_server = mirror_template % country_code if country_code in self.countries: self.country = self.countries[country_code] self.country_code = country_code def _get_mirror_name(self, server): ''' Try to get a human readable name for the main mirror of a country Customize for different distributions ''' country = None i = server.find("://") li = server.find(".archive.ubuntu.com") if i != -1 and li != -1: country = server[i + len("://"):li] if country in self.countries: # TRANSLATORS: %s is a country return _("Server for %s") % self.countries[country] else: return("%s" % server.rstrip("/ ")) def get_server_list(self): ''' Return a list of used and suggested servers ''' def compare_mirrors(mir1, mir2): ''' Helper function that handles comaprision of mirror urls that could contain trailing slashes''' return re.match(mir1.strip("/ "), mir2.rstrip("/ ")) # Store all available servers: # Name, URI, active mirrors = [] if (len(self.used_servers) < 1 or (len(self.used_servers) == 1 and compare_mirrors(self.used_servers[0], self.main_server))): mirrors.append([_("Main server"), self.main_server, True]) if self.nearest_server: mirrors.append([self._get_mirror_name(self.nearest_server), self.nearest_server, False]) elif (len(self.used_servers) == 1 and not compare_mirrors(self.used_servers[0], self.main_server)): mirrors.append([_("Main server"), self.main_server, False]) # Only one server is used server = self.used_servers[0] # Append the nearest server if it's not already used if self.nearest_server: if not compare_mirrors(server, self.nearest_server): mirrors.append([self._get_mirror_name(self.nearest_server), self.nearest_server, False]) if server: mirrors.append([self._get_mirror_name(server), server, True]) elif len(self.used_servers) > 1: # More than one server is used. Since we don't handle this case # in the user interface we set "custom servers" to true and # append a list of all used servers mirrors.append([_("Main server"), self.main_server, False]) if self.nearest_server: mirrors.append([self._get_mirror_name(self.nearest_server), self.nearest_server, False]) mirrors.append([_("Custom servers"), None, True]) for server in self.used_servers: mirror_entry = [self._get_mirror_name(server), server, False] if (compare_mirrors(server, self.nearest_server) or compare_mirrors(server, self.main_server)): continue elif mirror_entry not in mirrors: mirrors.append(mirror_entry) return mirrors def add_source(self, type=None, uri=None, dist=None, comps=None, comment=""): """ Add distribution specific sources """ if uri is None: # FIXME: Add support for the server selector uri = self.default_server if dist is None: dist = self.codename if comps is None: comps = list(self.enabled_comps) if type is None: type = self.binary_type new_source = self.sourceslist.add(type, uri, dist, comps, comment) # if source code is enabled add a deb-src line after the new # source if self.get_source_code and type == self.binary_type: self.sourceslist.add( self.source_type, uri, dist, comps, comment, file=new_source.file, pos=self.sourceslist.list.index(new_source) + 1) def enable_component(self, comp): """ Enable a component in all main, child and source code sources (excluding cdrom based sources) comp: the component that should be enabled """ comps = set([comp]) # look for parent components that we may have to add for source in self.main_sources: for c in source.template.components: if c.name == comp and c.parent_component: comps.add(c.parent_component) for c in comps: self._enable_component(c) def _enable_component(self, comp): def add_component_only_once(source, comps_per_dist): """ Check if we already added the component to the repository, since a repository could be splitted into different apt lines. If not add the component """ # if we don't have that distro, just return (can happen for e.g. # dapper-update only in deb-src if source.dist not in comps_per_dist: return # if we have seen this component already for this distro, # return (nothing to do) if comp in comps_per_dist[source.dist]: return # add it source.comps.append(comp) comps_per_dist[source.dist].add(comp) sources = [] sources.extend(self.main_sources) sources.extend(self.child_sources) # store what comps are enabled already per distro (where distro is # e.g. "dapper", "dapper-updates") comps_per_dist = {} comps_per_sdist = {} for s in sources: if s.type == self.binary_type: if s.dist not in comps_per_dist: comps_per_dist[s.dist] = set() for c in s.comps: comps_per_dist[s.dist].add(c) for s in self.source_code_sources: if s.type == self.source_type: if s.dist not in comps_per_sdist: comps_per_sdist[s.dist] = set() for c in s.comps: comps_per_sdist[s.dist].add(c) # check if there is a main source at all if len(self.main_sources) < 1: # create a new main source self.add_source(comps=["%s" % comp]) else: # add the comp to all main, child and source code sources for source in sources: add_component_only_once(source, comps_per_dist) for source in self.source_code_sources: add_component_only_once(source, comps_per_sdist) # check if there is a main source code source at all if self.get_source_code: if len(self.source_code_sources) < 1: # create a new main source self.add_source(type=self.source_type, comps=["%s" % comp]) else: # add the comp to all main, child and source code sources for source in self.source_code_sources: add_component_only_once(source, comps_per_sdist) def disable_component(self, comp): """ Disable a component in all main, child and source code sources (excluding cdrom based sources) """ sources = [] sources.extend(self.main_sources) sources.extend(self.child_sources) sources.extend(self.source_code_sources) if comp in self.cdrom_comps: sources = [] sources.extend(self.main_sources) for source in sources: if comp in source.comps: source.comps.remove(comp) if len(source.comps) < 1: self.sourceslist.remove(source) def change_server(self, uri): ''' Change the server of all distro specific sources to a given host ''' def change_server_of_source(source, uri, seen): # Avoid creating duplicate entries source.uri = uri for comp in source.comps: if [source.uri, source.dist, comp] in seen: source.comps.remove(comp) else: seen.append([source.uri, source.dist, comp]) if len(source.comps) < 1: self.sourceslist.remove(source) seen_binary = [] seen_source = [] self.default_server = uri for source in self.main_sources: change_server_of_source(source, uri, seen_binary) for source in self.child_sources: # Do not change the forces server of a child source if (source.template.base_uri is None or source.template.base_uri != source.uri): change_server_of_source(source, uri, seen_binary) for source in self.source_code_sources: change_server_of_source(source, uri, seen_source) def is_codename(self, name): ''' Compare a given name with the release codename. ''' if name == self.codename: return True else: return False class DebianDistribution(Distribution): ''' Class to support specific Debian features ''' def is_codename(self, name): ''' Compare a given name with the release codename and check if if it can be used as a synonym for a development releases ''' if name == self.codename or self.release in ("testing", "unstable"): return True else: return False def _get_mirror_name(self, server): ''' Try to get a human readable name for the main mirror of a country Debian specific ''' country = None i = server.find("://ftp.") li = server.find(".debian.org") if i != -1 and li != -1: country = server[i + len("://ftp."):li] if country in self.countries: # TRANSLATORS: %s is a country return _("Server for %s") % gettext.dgettext( "iso_3166", self.countries[country].rstrip()).rstrip() else: return("%s" % server.rstrip("/ ")) def get_mirrors(self): Distribution.get_mirrors( self, mirror_template="http://ftp.%s.debian.org/debian/") class UbuntuDistribution(Distribution): ''' Class to support specific Ubuntu features ''' def get_mirrors(self): Distribution.get_mirrors( self, mirror_template="http://%s.archive.ubuntu.com/ubuntu/") class UbuntuRTMDistribution(UbuntuDistribution): ''' Class to support specific Ubuntu RTM features ''' def get_mirrors(self): self.main_server = self.source_template.base_uri def _lsb_release(): """Call lsb_release --idrc and return a mapping.""" from subprocess import Popen, PIPE import errno result = {'Codename': 'sid', 'Distributor ID': 'Debian', 'Description': 'Debian GNU/Linux unstable (sid)', 'Release': 'unstable'} try: out = Popen(['lsb_release', '-idrc'], stdout=PIPE).communicate()[0] # Convert to unicode string, needed for Python 3.1 out = out.decode("utf-8") result.update(line.split(":\t") for line in out.split("\n") if ':\t' in line) except OSError as exc: if exc.errno != errno.ENOENT: logging.warning('lsb_release failed, using defaults:' % exc) return result def _system_image_channel(): """Get the current channel from system-image-cli -i if possible.""" from subprocess import Popen, PIPE import errno try: from subprocess import DEVNULL except ImportError: # no DEVNULL in 2.7 DEVNULL = os.open(os.devnull, os.O_RDWR) try: out = Popen( ['system-image-cli', '-i'], stdout=PIPE, stderr=DEVNULL, universal_newlines=True).communicate()[0] for line in out.splitlines(): if line.startswith('channel: '): return line.split(': ', 1)[1] except OSError as exc: if exc.errno != errno.ENOENT: logging.warning( 'system-image-cli failed, using defaults: %s' % exc) return None class _OSRelease: DEFAULT_OS_RELEASE_FILE = '/etc/os-release' OS_RELEASE_FILE = '/etc/os-release' def __init__(self, lsb_compat=True): self.result = {} self.valid = False self.file = _OSRelease.OS_RELEASE_FILE if not os.path.isfile(self.file): return self.parse() self.valid = True if lsb_compat: self.inject_lsb_compat() def inject_lsb_compat(self): self.result['Distributor ID'] = self.result['ID'] self.result['Description'] = self.result['PRETTY_NAME'] # Optionals as per os-release spec. self.result['Codename'] = self.result.get('VERSION_CODENAME') if not self.result['Codename']: # Transient Ubuntu 16.04 field (LP: #1598212) self.result['Codename'] = self.result.get('UBUNTU_CODENAME') self.result['Release'] = self.result.get('VERSION_ID') def parse(self): f = open(self.file, 'r') for line in f: line = line.strip() if not line: continue self.parse_entry(*line.split('=', 1)) f.close() def parse_entry(self, key, value): value = self.parse_value(value) # Values can be shell strings... if key == "ID_LIKE" and isinstance(value, str): # ID_LIKE is specified as quoted space-separated list. This will # be parsed as string that we need to split manually. value = value.split(' ') self.result[key] = value def parse_value(self, value): values = shlex.split(value) if len(values) == 1: return values[0] return values def get_distro(id=None, codename=None, description=None, release=None, is_like=[]): """ Check the currently used distribution and return the corresponding distriubtion class that supports distro specific features. If no paramter are given the distro will be auto detected via a call to lsb-release """ # make testing easier if not (id and codename and description and release): os_release = _OSRelease() os_result = [] lsb_result = _lsb_release() if os_release.valid: os_result = os_release.result # TODO: We cannot presently use os-release to fully replace lsb_release # because os-release's ID, VERSION_ID and VERSION_CODENAME fields # are specified as lowercase. In lsb_release they can be upcase # or captizalized. So, switching to os-release would consitute # a behavior break a which point lsb_release support should be # fully removed. # This in particular is a problem for template matching, as this # matches against Distribution objects and depends on string # case. lsb_result = _lsb_release() id = lsb_result['Distributor ID'] codename = lsb_result['Codename'] description = lsb_result['Description'] release = lsb_result['Release'] # Not available with LSB, use get directly. is_like = os_result.get('ID_LIKE', []) if id == "Ubuntu": channel = _system_image_channel() if channel is not None and "ubuntu-rtm/" in channel: id = "Ubuntu-RTM" codename = channel.rsplit("/", 1)[1].split("-", 1)[0] description = codename release = codename if id == "Ubuntu": return UbuntuDistribution(id, codename, description, release, is_like) if id == "Ubuntu-RTM": return UbuntuRTMDistribution( id, codename, description, release, is_like) elif id == "Debian": return DebianDistribution(id, codename, description, release, is_like) else: return Distribution(id, codename, description, release, is_like) usr/lib/python3/dist-packages/distro/distro.py 0000644 00000137311 15030227466 0015443 0 ustar 00 #!/usr/bin/env python # Copyright 2015,2016,2017 Nir Cohen # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ The ``distro`` package (``distro`` stands for Linux Distribution) provides information about the Linux distribution it runs on, such as a reliable machine-readable distro ID, or version information. It is the recommended replacement for Python's original :py:func:`platform.linux_distribution` function, but it provides much more functionality. An alternative implementation became necessary because Python 3.5 deprecated this function, and Python 3.8 removed it altogether. Its predecessor function :py:func:`platform.dist` was already deprecated since Python 2.6 and removed in Python 3.8. Still, there are many cases in which access to OS distribution information is needed. See `Python issue 1322 <https://bugs.python.org/issue1322>`_ for more information. """ import argparse import json import logging import os import re import shlex import subprocess import sys import warnings from typing import ( Any, Callable, Dict, Iterable, Optional, Sequence, TextIO, Tuple, Type, ) try: from typing import TypedDict except ImportError: # Python 3.7 TypedDict = dict __version__ = "1.7.0" class VersionDict(TypedDict): major: str minor: str build_number: str class InfoDict(TypedDict): id: str version: str version_parts: VersionDict like: str codename: str _UNIXCONFDIR = os.environ.get("UNIXCONFDIR", "/etc") _UNIXUSRLIBDIR = os.environ.get("UNIXUSRLIBDIR", "/usr/lib") _OS_RELEASE_BASENAME = "os-release" #: Translation table for normalizing the "ID" attribute defined in os-release #: files, for use by the :func:`distro.id` method. #: #: * Key: Value as defined in the os-release file, translated to lower case, #: with blanks translated to underscores. #: #: * Value: Normalized value. NORMALIZED_OS_ID = { "ol": "oracle", # Oracle Linux "opensuse-leap": "opensuse", # Newer versions of OpenSuSE report as opensuse-leap } #: Translation table for normalizing the "Distributor ID" attribute returned by #: the lsb_release command, for use by the :func:`distro.id` method. #: #: * Key: Value as returned by the lsb_release command, translated to lower #: case, with blanks translated to underscores. #: #: * Value: Normalized value. NORMALIZED_LSB_ID = { "enterpriseenterpriseas": "oracle", # Oracle Enterprise Linux 4 "enterpriseenterpriseserver": "oracle", # Oracle Linux 5 "redhatenterpriseworkstation": "rhel", # RHEL 6, 7 Workstation "redhatenterpriseserver": "rhel", # RHEL 6, 7 Server "redhatenterprisecomputenode": "rhel", # RHEL 6 ComputeNode } #: Translation table for normalizing the distro ID derived from the file name #: of distro release files, for use by the :func:`distro.id` method. #: #: * Key: Value as derived from the file name of a distro release file, #: translated to lower case, with blanks translated to underscores. #: #: * Value: Normalized value. NORMALIZED_DISTRO_ID = { "redhat": "rhel", # RHEL 6.x, 7.x } # Pattern for content of distro release file (reversed) _DISTRO_RELEASE_CONTENT_REVERSED_PATTERN = re.compile( r"(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)" ) # Pattern for base file name of distro release file _DISTRO_RELEASE_BASENAME_PATTERN = re.compile(r"(\w+)[-_](release|version)$") # Base file names to be ignored when searching for distro release file _DISTRO_RELEASE_IGNORE_BASENAMES = ( "debian_version", "lsb-release", "oem-release", _OS_RELEASE_BASENAME, "system-release", "plesk-release", "iredmail-release", ) def linux_distribution(full_distribution_name: bool = True) -> Tuple[str, str, str]: """ .. deprecated:: 1.6.0 :func:`distro.linux_distribution()` is deprecated. It should only be used as a compatibility shim with Python's :py:func:`platform.linux_distribution()`. Please use :func:`distro.id`, :func:`distro.version` and :func:`distro.name` instead. Return information about the current OS distribution as a tuple ``(id_name, version, codename)`` with items as follows: * ``id_name``: If *full_distribution_name* is false, the result of :func:`distro.id`. Otherwise, the result of :func:`distro.name`. * ``version``: The result of :func:`distro.version`. * ``codename``: The extra item (usually in parentheses) after the os-release version number, or the result of :func:`distro.codename`. The interface of this function is compatible with the original :py:func:`platform.linux_distribution` function, supporting a subset of its parameters. The data it returns may not exactly be the same, because it uses more data sources than the original function, and that may lead to different data if the OS distribution is not consistent across multiple data sources it provides (there are indeed such distributions ...). Another reason for differences is the fact that the :func:`distro.id` method normalizes the distro ID string to a reliable machine-readable value for a number of popular OS distributions. """ warnings.warn( "distro.linux_distribution() is deprecated. It should only be used as a " "compatibility shim with Python's platform.linux_distribution(). Please use " "distro.id(), distro.version() and distro.name() instead.", DeprecationWarning, stacklevel=2, ) return _distro.linux_distribution(full_distribution_name) def id() -> str: """ Return the distro ID of the current distribution, as a machine-readable string. For a number of OS distributions, the returned distro ID value is *reliable*, in the sense that it is documented and that it does not change across releases of the distribution. This package maintains the following reliable distro ID values: ============== ========================================= Distro ID Distribution ============== ========================================= "ubuntu" Ubuntu "debian" Debian "rhel" RedHat Enterprise Linux "centos" CentOS "fedora" Fedora "sles" SUSE Linux Enterprise Server "opensuse" openSUSE "amzn" Amazon Linux "arch" Arch Linux "cloudlinux" CloudLinux OS "exherbo" Exherbo Linux "gentoo" GenToo Linux "ibm_powerkvm" IBM PowerKVM "kvmibm" KVM for IBM z Systems "linuxmint" Linux Mint "mageia" Mageia "mandriva" Mandriva Linux "parallels" Parallels "pidora" Pidora "raspbian" Raspbian "oracle" Oracle Linux (and Oracle Enterprise Linux) "scientific" Scientific Linux "slackware" Slackware "xenserver" XenServer "openbsd" OpenBSD "netbsd" NetBSD "freebsd" FreeBSD "midnightbsd" MidnightBSD "rocky" Rocky Linux "aix" AIX ============== ========================================= If you have a need to get distros for reliable IDs added into this set, or if you find that the :func:`distro.id` function returns a different distro ID for one of the listed distros, please create an issue in the `distro issue tracker`_. **Lookup hierarchy and transformations:** First, the ID is obtained from the following sources, in the specified order. The first available and non-empty value is used: * the value of the "ID" attribute of the os-release file, * the value of the "Distributor ID" attribute returned by the lsb_release command, * the first part of the file name of the distro release file, The so determined ID value then passes the following transformations, before it is returned by this method: * it is translated to lower case, * blanks (which should not be there anyway) are translated to underscores, * a normalization of the ID is performed, based upon `normalization tables`_. The purpose of this normalization is to ensure that the ID is as reliable as possible, even across incompatible changes in the OS distributions. A common reason for an incompatible change is the addition of an os-release file, or the addition of the lsb_release command, with ID values that differ from what was previously determined from the distro release file name. """ return _distro.id() def name(pretty: bool = False) -> str: """ Return the name of the current OS distribution, as a human-readable string. If *pretty* is false, the name is returned without version or codename. (e.g. "CentOS Linux") If *pretty* is true, the version and codename are appended. (e.g. "CentOS Linux 7.1.1503 (Core)") **Lookup hierarchy:** The name is obtained from the following sources, in the specified order. The first available and non-empty value is used: * If *pretty* is false: - the value of the "NAME" attribute of the os-release file, - the value of the "Distributor ID" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file. * If *pretty* is true: - the value of the "PRETTY_NAME" attribute of the os-release file, - the value of the "Description" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file, appended with the value of the pretty version ("<version_id>" and "<codename>" fields) of the distro release file, if available. """ return _distro.name(pretty) def version(pretty: bool = False, best: bool = False) -> str: """ Return the version of the current OS distribution, as a human-readable string. If *pretty* is false, the version is returned without codename (e.g. "7.0"). If *pretty* is true, the codename in parenthesis is appended, if the codename is non-empty (e.g. "7.0 (Maipo)"). Some distributions provide version numbers with different precisions in the different sources of distribution information. Examining the different sources in a fixed priority order does not always yield the most precise version (e.g. for Debian 8.2, or CentOS 7.1). Some other distributions may not provide this kind of information. In these cases, an empty string would be returned. This behavior can be observed with rolling releases distributions (e.g. Arch Linux). The *best* parameter can be used to control the approach for the returned version: If *best* is false, the first non-empty version number in priority order of the examined sources is returned. If *best* is true, the most precise version number out of all examined sources is returned. **Lookup hierarchy:** In all cases, the version number is obtained from the following sources. If *best* is false, this order represents the priority order: * the value of the "VERSION_ID" attribute of the os-release file, * the value of the "Release" attribute returned by the lsb_release command, * the version number parsed from the "<version_id>" field of the first line of the distro release file, * the version number parsed from the "PRETTY_NAME" attribute of the os-release file, if it follows the format of the distro release files. * the version number parsed from the "Description" attribute returned by the lsb_release command, if it follows the format of the distro release files. """ return _distro.version(pretty, best) def version_parts(best: bool = False) -> Tuple[str, str, str]: """ Return the version of the current OS distribution as a tuple ``(major, minor, build_number)`` with items as follows: * ``major``: The result of :func:`distro.major_version`. * ``minor``: The result of :func:`distro.minor_version`. * ``build_number``: The result of :func:`distro.build_number`. For a description of the *best* parameter, see the :func:`distro.version` method. """ return _distro.version_parts(best) def major_version(best: bool = False) -> str: """ Return the major version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The major version is the first part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. """ return _distro.major_version(best) def minor_version(best: bool = False) -> str: """ Return the minor version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The minor version is the second part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. """ return _distro.minor_version(best) def build_number(best: bool = False) -> str: """ Return the build number of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The build number is the third part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. """ return _distro.build_number(best) def like() -> str: """ Return a space-separated list of distro IDs of distributions that are closely related to the current OS distribution in regards to packaging and programming interfaces, for example distributions the current distribution is a derivative from. **Lookup hierarchy:** This information item is only provided by the os-release file. For details, see the description of the "ID_LIKE" attribute in the `os-release man page <http://www.freedesktop.org/software/systemd/man/os-release.html>`_. """ return _distro.like() def codename() -> str: """ Return the codename for the release of the current OS distribution, as a string. If the distribution does not have a codename, an empty string is returned. Note that the returned codename is not always really a codename. For example, openSUSE returns "x86_64". This function does not handle such cases in any special way and just returns the string it finds, if any. **Lookup hierarchy:** * the codename within the "VERSION" attribute of the os-release file, if provided, * the value of the "Codename" attribute returned by the lsb_release command, * the value of the "<codename>" field of the distro release file. """ return _distro.codename() def info(pretty: bool = False, best: bool = False) -> InfoDict: """ Return certain machine-readable information items about the current OS distribution in a dictionary, as shown in the following example: .. sourcecode:: python { 'id': 'rhel', 'version': '7.0', 'version_parts': { 'major': '7', 'minor': '0', 'build_number': '' }, 'like': 'fedora', 'codename': 'Maipo' } The dictionary structure and keys are always the same, regardless of which information items are available in the underlying data sources. The values for the various keys are as follows: * ``id``: The result of :func:`distro.id`. * ``version``: The result of :func:`distro.version`. * ``version_parts -> major``: The result of :func:`distro.major_version`. * ``version_parts -> minor``: The result of :func:`distro.minor_version`. * ``version_parts -> build_number``: The result of :func:`distro.build_number`. * ``like``: The result of :func:`distro.like`. * ``codename``: The result of :func:`distro.codename`. For a description of the *pretty* and *best* parameters, see the :func:`distro.version` method. """ return _distro.info(pretty, best) def os_release_info() -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the os-release file data source of the current OS distribution. See `os-release file`_ for details about these information items. """ return _distro.os_release_info() def lsb_release_info() -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the current OS distribution. See `lsb_release command output`_ for details about these information items. """ return _distro.lsb_release_info() def distro_release_info() -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. See `distro release file`_ for details about these information items. """ return _distro.distro_release_info() def uname_info() -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. """ return _distro.uname_info() def os_release_attr(attribute: str) -> str: """ Return a single named information item from the os-release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `os-release file`_ for details about these information items. """ return _distro.os_release_attr(attribute) def lsb_release_attr(attribute: str) -> str: """ Return a single named information item from the lsb_release command output data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `lsb_release command output`_ for details about these information items. """ return _distro.lsb_release_attr(attribute) def distro_release_attr(attribute: str) -> str: """ Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `distro release file`_ for details about these information items. """ return _distro.distro_release_attr(attribute) def uname_attr(attribute: str) -> str: """ Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. """ return _distro.uname_attr(attribute) try: from functools import cached_property except ImportError: # Python < 3.8 class cached_property: # type: ignore """A version of @property which caches the value. On access, it calls the underlying function and sets the value in `__dict__` so future accesses will not re-call the property. """ def __init__(self, f: Callable[[Any], Any]) -> None: self._fname = f.__name__ self._f = f def __get__(self, obj: Any, owner: Type[Any]) -> Any: assert obj is not None, f"call {self._fname} on an instance" ret = obj.__dict__[self._fname] = self._f(obj) return ret class LinuxDistribution: """ Provides information about a OS distribution. This package creates a private module-global instance of this class with default initialization arguments, that is used by the `consolidated accessor functions`_ and `single source accessor functions`_. By using default initialization arguments, that module-global instance returns data about the current OS distribution (i.e. the distro this package runs on). Normally, it is not necessary to create additional instances of this class. However, in situations where control is needed over the exact data sources that are used, instances of this class can be created with a specific distro release file, or a specific os-release file, or without invoking the lsb_release command. """ def __init__( self, include_lsb: Optional[bool] = None, os_release_file: str = "", distro_release_file: str = "", include_uname: Optional[bool] = None, root_dir: Optional[str] = None, include_oslevel: Optional[bool] = None, ) -> None: """ The initialization method of this class gathers information from the available data sources, and stores that in private instance attributes. Subsequent access to the information items uses these private instance attributes, so that the data sources are read only once. Parameters: * ``include_lsb`` (bool): Controls whether the `lsb_release command output`_ is included as a data source. If the lsb_release command is not available in the program execution path, the data source for the lsb_release command will be empty. * ``os_release_file`` (string): The path name of the `os-release file`_ that is to be used as a data source. An empty string (the default) will cause the default path name to be used (see `os-release file`_ for details). If the specified or defaulted os-release file does not exist, the data source for the os-release file will be empty. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is to be used as a data source. An empty string (the default) will cause a default search algorithm to be used (see `distro release file`_ for details). If the specified distro release file does not exist, or if no default distro release file can be found, the data source for the distro release file will be empty. * ``include_uname`` (bool): Controls whether uname command output is included as a data source. If the uname command is not available in the program execution path the data source for the uname command will be empty. * ``root_dir`` (string): The absolute path to the root directory to use to find distro-related information files. Note that ``include_*`` parameters must not be enabled in combination with ``root_dir``. * ``include_oslevel`` (bool): Controls whether (AIX) oslevel command output is included as a data source. If the oslevel command is not available in the program execution path the data source will be empty. Public instance attributes: * ``os_release_file`` (string): The path name of the `os-release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter. This controls whether the lsb information will be loaded. * ``include_uname`` (bool): The result of the ``include_uname`` parameter. This controls whether the uname information will be loaded. * ``include_oslevel`` (bool): The result of the ``include_oslevel`` parameter. This controls whether (AIX) oslevel information will be loaded. * ``root_dir`` (string): The result of the ``root_dir`` parameter. The absolute path to the root directory to use to find distro-related information files. Raises: * :py:exc:`ValueError`: Initialization parameters combination is not supported. * :py:exc:`OSError`: Some I/O issue with an os-release file or distro release file. * :py:exc:`UnicodeError`: A data source has unexpected characters or uses an unexpected encoding. """ self.root_dir = root_dir self.etc_dir = os.path.join(root_dir, "etc") if root_dir else _UNIXCONFDIR self.usr_lib_dir = ( os.path.join(root_dir, "usr/lib") if root_dir else _UNIXUSRLIBDIR ) if os_release_file: self.os_release_file = os_release_file else: etc_dir_os_release_file = os.path.join(self.etc_dir, _OS_RELEASE_BASENAME) usr_lib_os_release_file = os.path.join( self.usr_lib_dir, _OS_RELEASE_BASENAME ) # NOTE: The idea is to respect order **and** have it set # at all times for API backwards compatibility. if os.path.isfile(etc_dir_os_release_file) or not os.path.isfile( usr_lib_os_release_file ): self.os_release_file = etc_dir_os_release_file else: self.os_release_file = usr_lib_os_release_file self.distro_release_file = distro_release_file or "" # updated later is_root_dir_defined = root_dir is not None if is_root_dir_defined and (include_lsb or include_uname or include_oslevel): raise ValueError( "Including subprocess data sources from specific root_dir is disallowed" " to prevent false information" ) self.include_lsb = ( include_lsb if include_lsb is not None else not is_root_dir_defined ) self.include_uname = ( include_uname if include_uname is not None else not is_root_dir_defined ) self.include_oslevel = ( include_oslevel if include_oslevel is not None else not is_root_dir_defined ) def __repr__(self) -> str: """Return repr of all info""" return ( "LinuxDistribution(" "os_release_file={self.os_release_file!r}, " "distro_release_file={self.distro_release_file!r}, " "include_lsb={self.include_lsb!r}, " "include_uname={self.include_uname!r}, " "include_oslevel={self.include_oslevel!r}, " "root_dir={self.root_dir!r}, " "_os_release_info={self._os_release_info!r}, " "_lsb_release_info={self._lsb_release_info!r}, " "_distro_release_info={self._distro_release_info!r}, " "_uname_info={self._uname_info!r}, " "_oslevel_info={self._oslevel_info!r})".format(self=self) ) def linux_distribution( self, full_distribution_name: bool = True ) -> Tuple[str, str, str]: """ Return information about the OS distribution that is compatible with Python's :func:`platform.linux_distribution`, supporting a subset of its parameters. For details, see :func:`distro.linux_distribution`. """ return ( self.name() if full_distribution_name else self.id(), self.version(), self._os_release_info.get("release_codename") or self.codename(), ) def id(self) -> str: """Return the distro ID of the OS distribution, as a string. For details, see :func:`distro.id`. """ def normalize(distro_id: str, table: Dict[str, str]) -> str: distro_id = distro_id.lower().replace(" ", "_") return table.get(distro_id, distro_id) distro_id = self.os_release_attr("id") if distro_id: return normalize(distro_id, NORMALIZED_OS_ID) distro_id = self.lsb_release_attr("distributor_id") if distro_id: return normalize(distro_id, NORMALIZED_LSB_ID) distro_id = self.distro_release_attr("id") if distro_id: return normalize(distro_id, NORMALIZED_DISTRO_ID) distro_id = self.uname_attr("id") if distro_id: return normalize(distro_id, NORMALIZED_DISTRO_ID) return "" def name(self, pretty: bool = False) -> str: """ Return the name of the OS distribution, as a string. For details, see :func:`distro.name`. """ name = ( self.os_release_attr("name") or self.lsb_release_attr("distributor_id") or self.distro_release_attr("name") or self.uname_attr("name") ) if pretty: name = self.os_release_attr("pretty_name") or self.lsb_release_attr( "description" ) if not name: name = self.distro_release_attr("name") or self.uname_attr("name") version = self.version(pretty=True) if version: name = f"{name} {version}" return name or "" def version(self, pretty: bool = False, best: bool = False) -> str: """ Return the version of the OS distribution, as a string. For details, see :func:`distro.version`. """ versions = [ self.os_release_attr("version_id"), self.lsb_release_attr("release"), self.distro_release_attr("version_id"), self._parse_distro_release_content(self.os_release_attr("pretty_name")).get( "version_id", "" ), self._parse_distro_release_content( self.lsb_release_attr("description") ).get("version_id", ""), self.uname_attr("release"), ] if self.uname_attr("id").startswith("aix"): # On AIX platforms, prefer oslevel command output. versions.insert(0, self.oslevel_info()) version = "" if best: # This algorithm uses the last version in priority order that has # the best precision. If the versions are not in conflict, that # does not matter; otherwise, using the last one instead of the # first one might be considered a surprise. for v in versions: if v.count(".") > version.count(".") or version == "": version = v else: for v in versions: if v != "": version = v break if pretty and version and self.codename(): version = f"{version} ({self.codename()})" return version def version_parts(self, best: bool = False) -> Tuple[str, str, str]: """ Return the version of the OS distribution, as a tuple of version numbers. For details, see :func:`distro.version_parts`. """ version_str = self.version(best=best) if version_str: version_regex = re.compile(r"(\d+)\.?(\d+)?\.?(\d+)?") matches = version_regex.match(version_str) if matches: major, minor, build_number = matches.groups() return major, minor or "", build_number or "" return "", "", "" def major_version(self, best: bool = False) -> str: """ Return the major version number of the current distribution. For details, see :func:`distro.major_version`. """ return self.version_parts(best)[0] def minor_version(self, best: bool = False) -> str: """ Return the minor version number of the current distribution. For details, see :func:`distro.minor_version`. """ return self.version_parts(best)[1] def build_number(self, best: bool = False) -> str: """ Return the build number of the current distribution. For details, see :func:`distro.build_number`. """ return self.version_parts(best)[2] def like(self) -> str: """ Return the IDs of distributions that are like the OS distribution. For details, see :func:`distro.like`. """ return self.os_release_attr("id_like") or "" def codename(self) -> str: """ Return the codename of the OS distribution. For details, see :func:`distro.codename`. """ try: # Handle os_release specially since distros might purposefully set # this to empty string to have no codename return self._os_release_info["codename"] except KeyError: return ( self.lsb_release_attr("codename") or self.distro_release_attr("codename") or "" ) def info(self, pretty: bool = False, best: bool = False) -> InfoDict: """ Return certain machine-readable information about the OS distribution. For details, see :func:`distro.info`. """ return dict( id=self.id(), version=self.version(pretty, best), version_parts=dict( major=self.major_version(best), minor=self.minor_version(best), build_number=self.build_number(best), ), like=self.like(), codename=self.codename(), ) def os_release_info(self) -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_info`. """ return self._os_release_info def lsb_release_info(self) -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the OS distribution. For details, see :func:`distro.lsb_release_info`. """ return self._lsb_release_info def distro_release_info(self) -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_info`. """ return self._distro_release_info def uname_info(self) -> Dict[str, str]: """ Return a dictionary containing key-value pairs for the information items from the uname command data source of the OS distribution. For details, see :func:`distro.uname_info`. """ return self._uname_info def oslevel_info(self) -> str: """ Return AIX' oslevel command output. """ return self._oslevel_info def os_release_attr(self, attribute: str) -> str: """ Return a single named information item from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_attr`. """ return self._os_release_info.get(attribute, "") def lsb_release_attr(self, attribute: str) -> str: """ Return a single named information item from the lsb_release command output data source of the OS distribution. For details, see :func:`distro.lsb_release_attr`. """ return self._lsb_release_info.get(attribute, "") def distro_release_attr(self, attribute: str) -> str: """ Return a single named information item from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_attr`. """ return self._distro_release_info.get(attribute, "") def uname_attr(self, attribute: str) -> str: """ Return a single named information item from the uname command output data source of the OS distribution. For details, see :func:`distro.uname_attr`. """ return self._uname_info.get(attribute, "") @cached_property def _os_release_info(self) -> Dict[str, str]: """ Get the information items from the specified os-release file. Returns: A dictionary containing all information items. """ if os.path.isfile(self.os_release_file): with open(self.os_release_file, encoding="utf-8") as release_file: return self._parse_os_release_content(release_file) return {} @staticmethod def _parse_os_release_content(lines: TextIO) -> Dict[str, str]: """ Parse the lines of an os-release file. Parameters: * lines: Iterable through the lines in the os-release file. Each line must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. """ props = {} lexer = shlex.shlex(lines, posix=True) lexer.whitespace_split = True tokens = list(lexer) for token in tokens: # At this point, all shell-like parsing has been done (i.e. # comments processed, quotes and backslash escape sequences # processed, multi-line values assembled, trailing newlines # stripped, etc.), so the tokens are now either: # * variable assignments: var=value # * commands or their arguments (not allowed in os-release) # Ignore any tokens that are not variable assignments if "=" in token: k, v = token.split("=", 1) props[k.lower()] = v if "version" in props: # extract release codename (if any) from version attribute match = re.search(r"\((\D+)\)|,\s*(\D+)", props["version"]) if match: release_codename = match.group(1) or match.group(2) props["codename"] = props["release_codename"] = release_codename if "version_codename" in props: # os-release added a version_codename field. Use that in # preference to anything else Note that some distros purposefully # do not have code names. They should be setting # version_codename="" props["codename"] = props["version_codename"] elif "ubuntu_codename" in props: # Same as above but a non-standard field name used on older Ubuntus props["codename"] = props["ubuntu_codename"] return props @cached_property def _lsb_release_info(self) -> Dict[str, str]: """ Get the information items from the lsb_release command output. Returns: A dictionary containing all information items. """ if not self.include_lsb: return {} try: cmd = ("lsb_release", "-a") stdout = subprocess.check_output(cmd, stderr=subprocess.DEVNULL) # Command not found or lsb_release returned error except (OSError, subprocess.CalledProcessError): return {} content = self._to_str(stdout).splitlines() return self._parse_lsb_release_content(content) @staticmethod def _parse_lsb_release_content(lines: Iterable[str]) -> Dict[str, str]: """ Parse the output of the lsb_release command. Parameters: * lines: Iterable through the lines of the lsb_release output. Each line must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. """ props = {} for line in lines: kv = line.strip("\n").split(":", 1) if len(kv) != 2: # Ignore lines without colon. continue k, v = kv props.update({k.replace(" ", "_").lower(): v.strip()}) return props @cached_property def _uname_info(self) -> Dict[str, str]: if not self.include_uname: return {} try: cmd = ("uname", "-rs") stdout = subprocess.check_output(cmd, stderr=subprocess.DEVNULL) except OSError: return {} content = self._to_str(stdout).splitlines() return self._parse_uname_content(content) @cached_property def _oslevel_info(self) -> str: if not self.include_oslevel: return "" try: stdout = subprocess.check_output("oslevel", stderr=subprocess.DEVNULL) except (OSError, subprocess.CalledProcessError): return "" return self._to_str(stdout).strip() @staticmethod def _parse_uname_content(lines: Sequence[str]) -> Dict[str, str]: if not lines: return {} props = {} match = re.search(r"^([^\s]+)\s+([\d\.]+)", lines[0].strip()) if match: name, version = match.groups() # This is to prevent the Linux kernel version from # appearing as the 'best' version on otherwise # identifiable distributions. if name == "Linux": return {} props["id"] = name.lower() props["name"] = name props["release"] = version return props @staticmethod def _to_str(bytestring: bytes) -> str: encoding = sys.getfilesystemencoding() return bytestring.decode(encoding) @cached_property def _distro_release_info(self) -> Dict[str, str]: """ Get the information items from the specified distro release file. Returns: A dictionary containing all information items. """ if self.distro_release_file: # If it was specified, we use it and parse what we can, even if # its file name or content does not match the expected pattern. distro_info = self._parse_distro_release_file(self.distro_release_file) basename = os.path.basename(self.distro_release_file) # The file name pattern for user-specified distro release files # is somewhat more tolerant (compared to when searching for the # file), because we want to use what was specified as best as # possible. match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename) if "name" in distro_info and "cloudlinux" in distro_info["name"].lower(): distro_info["id"] = "cloudlinux" elif match: distro_info["id"] = match.group(1) return distro_info else: try: basenames = os.listdir(self.etc_dir) # We sort for repeatability in cases where there are multiple # distro specific files; e.g. CentOS, Oracle, Enterprise all # containing `redhat-release` on top of their own. basenames.sort() except OSError: # This may occur when /etc is not readable but we can't be # sure about the *-release files. Check common entries of # /etc for information. If they turn out to not be there the # error is handled in `_parse_distro_release_file()`. basenames = [ "SuSE-release", "arch-release", "base-release", "centos-release", "fedora-release", "gentoo-release", "mageia-release", "mandrake-release", "mandriva-release", "mandrivalinux-release", "manjaro-release", "oracle-release", "redhat-release", "rocky-release", "sl-release", "slackware-version", ] for basename in basenames: if basename in _DISTRO_RELEASE_IGNORE_BASENAMES: continue match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename) if match: filepath = os.path.join(self.etc_dir, basename) distro_info = self._parse_distro_release_file(filepath) if "name" in distro_info: # The name is always present if the pattern matches self.distro_release_file = filepath distro_info["id"] = match.group(1) if "cloudlinux" in distro_info["name"].lower(): distro_info["id"] = "cloudlinux" return distro_info return {} def _parse_distro_release_file(self, filepath: str) -> Dict[str, str]: """ Parse a distro release file. Parameters: * filepath: Path name of the distro release file. Returns: A dictionary containing all information items. """ try: with open(filepath, encoding="utf-8") as fp: # Only parse the first line. For instance, on SLES there # are multiple lines. We don't want them... return self._parse_distro_release_content(fp.readline()) except OSError: # Ignore not being able to read a specific, seemingly version # related file. # See https://github.com/python-distro/distro/issues/162 return {} @staticmethod def _parse_distro_release_content(line: str) -> Dict[str, str]: """ Parse a line from a distro release file. Parameters: * line: Line from the distro release file. Must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. """ matches = _DISTRO_RELEASE_CONTENT_REVERSED_PATTERN.match(line.strip()[::-1]) distro_info = {} if matches: # regexp ensures non-None distro_info["name"] = matches.group(3)[::-1] if matches.group(2): distro_info["version_id"] = matches.group(2)[::-1] if matches.group(1): distro_info["codename"] = matches.group(1)[::-1] elif line: distro_info["name"] = line.strip() return distro_info _distro = LinuxDistribution() def main() -> None: logger = logging.getLogger(__name__) logger.setLevel(logging.DEBUG) logger.addHandler(logging.StreamHandler(sys.stdout)) parser = argparse.ArgumentParser(description="OS distro info tool") parser.add_argument( "--json", "-j", help="Output in machine readable format", action="store_true" ) parser.add_argument( "--root-dir", "-r", type=str, dest="root_dir", help="Path to the root filesystem directory (defaults to /)", ) args = parser.parse_args() if args.root_dir: dist = LinuxDistribution( include_lsb=False, include_uname=False, include_oslevel=False, root_dir=args.root_dir, ) else: dist = _distro if args.json: logger.info(json.dumps(dist.info(), indent=4, sort_keys=True)) else: logger.info("Name: %s", dist.name(pretty=True)) distribution_version = dist.version(pretty=True) logger.info("Version: %s", distribution_version) distribution_codename = dist.codename() logger.info("Codename: %s", distribution_codename) if __name__ == "__main__": main()
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