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# optparse.py
# CLI options parser.
#
# Copyright (C) 2014-2016 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from __future__ import unicode_literals
from dnf.i18n import _
from dnf.util import _parse_specs
import argparse
import dnf.exceptions
import dnf.rpm
import dnf.yum.misc
import logging
import os.path
import re
import sys
logger = logging.getLogger("dnf")
class OptionParser(argparse.ArgumentParser):
"""ArgumentParser like class to do things the "yum way"."""
def __init__(self):
super(OptionParser, self).__init__()
self._cmd_usage = {} # names, summary for dnf commands, to build usage
self._cmd_groups = set() # cmd groups added (main, plugin)
self.main_parser = self._main_parser()
self.command_arg_parser = None
def error(self, msg):
"""Output an error message, and exit the program.
This method overrides standard argparser's error
so that error output goes to the logger.
:param msg: the error message to output
"""
self.print_usage()
logger.critical(_("Command line error: %s"), msg)
sys.exit(1)
class _RepoCallback(argparse.Action):
def __call__(self, parser, namespace, values, opt_str):
operation = 'disable' if opt_str == '--disablerepo' else 'enable'
l = getattr(namespace, self.dest)
l.extend((x, operation) for x in re.split(r'\s*[,\s]\s*', values))
class _RepoCallbackEnable(argparse.Action):
def __call__(self, parser, namespace, values, opt_str):
namespace.repos_ed.append((values[0], 'enable'))
setattr(namespace, 'reponame', values)
class _SplitCallback(argparse._AppendAction):
""" Split all strings in seq, at "," and whitespace.
Returns a new list. """
def __call__(self, parser, namespace, values, opt_str):
for val in re.split(r'\s*[,\s]\s*', values):
super(OptionParser._SplitCallback,
self).__call__(parser, namespace, val, opt_str)
class _SplitExtendDictCallback(argparse.Action):
""" Split string at "," or whitespace to (key, value).
Extends dict with {key: value}."""
def __call__(self, parser, namespace, values, opt_str):
try:
key, val = values.split(',')
if not key or not val:
raise ValueError
except ValueError:
msg = _('bad format: %s') % values
raise argparse.ArgumentError(self, msg)
dct = getattr(namespace, self.dest)
dct[key] = val
class _SetoptsCallback(argparse.Action):
""" Parse setopts arguments and put them into main_<setopts>
and repo_<setopts>."""
def __call__(self, parser, namespace, values, opt_str):
vals = values.split('=')
if len(vals) > 2:
logger.warning(_("Setopt argument has multiple values: %s"), values)
return
if len(vals) < 2:
logger.warning(_("Setopt argument has no value: %s"), values)
return
k, v = vals
period = k.find('.')
if period != -1:
repo = k[:period]
k = k[period+1:]
if hasattr(namespace, 'repo_setopts'):
repoopts = namespace.repo_setopts
else:
repoopts = {}
repoopts.setdefault(repo, {}).setdefault(k, []).append(v)
setattr(namespace, 'repo_' + self.dest, repoopts)
else:
if hasattr(namespace, 'main_setopts'):
mainopts = namespace.main_setopts
else:
mainopts = {}
mainopts.setdefault(k, []).append(v)
setattr(namespace, 'main_' + self.dest, mainopts)
class ParseSpecGroupFileCallback(argparse.Action):
def __call__(self, parser, namespace, values, opt_str):
_parse_specs(namespace, values)
class PkgNarrowCallback(argparse.Action):
def __init__(self, *args, **kwargs):
self.pkgnarrow = {}
try:
for k in ['choices', 'default']:
self.pkgnarrow[k] = kwargs[k]
del kwargs[k]
except KeyError as e:
raise TypeError("%s() missing mandatory argument %s"
% (self.__class__.__name__, e))
kwargs['default'] = []
super(OptionParser.PkgNarrowCallback, self).__init__(*args, **kwargs)
def __call__(self, parser, namespace, values, opt_str):
dest_action = self.dest + '_action'
if not values or values[0] not in self.pkgnarrow['choices']:
narrow = self.pkgnarrow['default']
else:
narrow = values.pop(0)
setattr(namespace, dest_action, narrow)
setattr(namespace, self.dest, values)
class ForceArchAction(argparse.Action):
def __call__(self, parser, namespace, values, opt_str):
namespace.ignorearch = True
namespace.arch = values
def _main_parser(self):
""" Standard options known to all dnf subcommands. """
# All defaults need to be a None, so we can always tell whether the user
# has set something or whether we are getting a default.
main_parser = argparse.ArgumentParser(dnf.const.PROGRAM_NAME,
add_help=False)
main_parser._optionals.title = _("Optional arguments")
main_parser.add_argument("-c", "--config", dest="config_file_path",
default=None, metavar='[config file]',
help=_("config file location"))
main_parser.add_argument("-q", "--quiet", dest="quiet",
action="store_true", default=None,
help=_("quiet operation"))
main_parser.add_argument("-v", "--verbose", action="store_true",
default=None, help=_("verbose operation"))
main_parser.add_argument("--version", action="store_true", default=None,
help=_("show DNF version and exit"))
main_parser.add_argument("--installroot", help=_("set install root"),
metavar='[path]')
main_parser.add_argument("--nodocs", action="store_const", const=['nodocs'], dest='tsflags',
help=_("do not install documentations"))
main_parser.add_argument("--noplugins", action="store_false",
default=None, dest='plugins',
help=_("disable all plugins"))
main_parser.add_argument("--enableplugin", dest="enableplugin",
default=[], action=self._SplitCallback,
help=_("enable plugins by name"),
metavar='[plugin]')
main_parser.add_argument("--disableplugin", dest="disableplugin",
default=[], action=self._SplitCallback,
help=_("disable plugins by name"),
metavar='[plugin]')
main_parser.add_argument("--releasever", default=None,
help=_("override the value of $releasever"
" in config and repo files"))
main_parser.add_argument("--setopt", dest="setopts", default=[],
action=self._SetoptsCallback,
help=_("set arbitrary config and repo options"))
main_parser.add_argument("--skip-broken", dest="skip_broken", action="store_true",
default=None,
help=_("resolve depsolve problems by skipping packages"))
main_parser.add_argument('-h', '--help', '--help-cmd',
action="store_true", dest='help',
help=_("show command help"))
main_parser.add_argument('--allowerasing', action='store_true',
default=None,
help=_('allow erasing of installed packages to '
'resolve dependencies'))
main_parser.add_argument("-b", "--best", action="store_true",
default=None,
help=_("try the best available package "
"versions in transactions."))
main_parser.add_argument("-C", "--cacheonly", dest="cacheonly",
action="store_true", default=None,
help=_("run entirely from system cache, "
"don't update cache"))
main_parser.add_argument("-R", "--randomwait", dest="sleeptime", type=int,
default=None, metavar='[minutes]',
help=_("maximum command wait time"))
main_parser.add_argument("-d", "--debuglevel", dest="debuglevel",
metavar='[debug level]', default=None,
help=_("debugging output level"), type=int)
main_parser.add_argument("--debugsolver",
action="store_true", default=None,
help=_("dumps detailed solving results into"
" files"))
main_parser.add_argument("--showduplicates", dest="showdupesfromrepos",
action="store_true", default=None,
help=_("show duplicates, in repos, "
"in list/search commands"))
main_parser.add_argument("-e", "--errorlevel", default=None, type=int,
help=_("error output level"))
main_parser.add_argument("--obsoletes", default=None, dest="obsoletes",
action="store_true",
help=_("enables dnf's obsoletes processing logic "
"for upgrade or display capabilities that "
"the package obsoletes for info, list and repoquery"))
main_parser.add_argument("--rpmverbosity", default=None,
help=_("debugging output level for rpm"),
metavar='[debug level name]')
main_parser.add_argument("-y", "--assumeyes", action="store_true",
default=None, help=_("automatically answer yes"
" for all questions"))
main_parser.add_argument("--assumeno", action="store_true",
default=None, help=_("automatically answer no"
" for all questions"))
main_parser.add_argument("--enablerepo", action=self._RepoCallback,
dest='repos_ed', default=[],
metavar='[repo]')
repo_group = main_parser.add_mutually_exclusive_group()
repo_group.add_argument("--disablerepo", action=self._RepoCallback,
dest='repos_ed', default=[],
metavar='[repo]')
repo_group.add_argument('--repo', '--repoid', metavar='[repo]', dest='repo',
action=self._SplitCallback, default=[],
help=_('enable just specific repositories by an id or a glob, '
'can be specified multiple times'))
enable_group = main_parser.add_mutually_exclusive_group()
enable_group.add_argument("--enable", "--set-enabled", default=False,
dest="set_enabled", action="store_true",
help=_("enable repos with config-manager "
"command (automatically saves)"))
enable_group.add_argument("--disable", "--set-disabled", default=False,
dest="set_disabled", action="store_true",
help=_("disable repos with config-manager "
"command (automatically saves)"))
main_parser.add_argument("-x", "--exclude", "--excludepkgs", default=[],
dest='excludepkgs', action=self._SplitCallback,
help=_("exclude packages by name or glob"),
metavar='[package]')
main_parser.add_argument("--disableexcludes", "--disableexcludepkgs",
default=[], dest="disable_excludes",
action=self._SplitCallback,
help=_("disable excludepkgs"),
metavar='[repo]')
main_parser.add_argument("--repofrompath", default={},
action=self._SplitExtendDictCallback,
metavar='[repo,path]',
help=_("label and path to additional repository,"
" can be specified multiple times."))
main_parser.add_argument("--noautoremove", action="store_false",
default=None, dest='clean_requirements_on_remove',
help=_("disable removal of dependencies that are no longer used"))
main_parser.add_argument("--nogpgcheck", action="store_false",
default=None, dest='gpgcheck',
help=_("disable gpg signature checking (if RPM policy allows)"))
main_parser.add_argument("--color", dest="color", default=None,
help=_("control whether color is used"))
main_parser.add_argument("--refresh", dest="freshest_metadata",
action="store_true",
help=_("set metadata as expired before running"
" the command"))
main_parser.add_argument("-4", dest="ip_resolve", default=None,
help=_("resolve to IPv4 addresses only"),
action="store_const", const='ipv4')
main_parser.add_argument("-6", dest="ip_resolve", default=None,
help=_("resolve to IPv6 addresses only"),
action="store_const", const='ipv6')
main_parser.add_argument("--destdir", "--downloaddir", dest="destdir", default=None,
help=_("set directory to copy packages to"))
main_parser.add_argument("--downloadonly", dest="downloadonly",
action="store_true", default=False,
help=_("only download packages"))
main_parser.add_argument("--comment", dest="comment", default=None,
help=_("add a comment to transaction"))
# Updateinfo options...
main_parser.add_argument("--bugfix", action="store_true",
help=_("Include bugfix relevant packages, "
"in updates"))
main_parser.add_argument("--enhancement", action="store_true",
help=_("Include enhancement relevant packages,"
" in updates"))
main_parser.add_argument("--newpackage", action="store_true",
help=_("Include newpackage relevant packages,"
" in updates"))
main_parser.add_argument("--security", action="store_true",
help=_("Include security relevant packages, "
"in updates"))
main_parser.add_argument("--advisory", "--advisories", dest="advisory",
default=[], action="append",
help=_("Include packages needed to fix the "
"given advisory, in updates"))
main_parser.add_argument("--bzs", default=[], dest="bugzilla",
action="append", help=_(
"Include packages needed to fix the given BZ, in updates"))
main_parser.add_argument("--cves", default=[], action="append", help=_(
"Include packages needed to fix the given CVE, in updates"))
main_parser.add_argument(
"--sec-severity", "--secseverity",
choices=['Critical', 'Important', 'Moderate', 'Low'], default=[],
dest="severity", action="append", help=_(
"Include security relevant packages matching the severity, "
"in updates"))
main_parser.add_argument("--forcearch", metavar="ARCH",
dest=argparse.SUPPRESS,
action=self.ForceArchAction,
choices=sorted(dnf.rpm._BASEARCH_MAP.keys()),
help=_("Force the use of an architecture"))
return main_parser
def _command_parser(self, command):
prog = "%s %s" % (dnf.const.PROGRAM_NAME, command._basecmd)
super(OptionParser, self).__init__(prog, add_help=False,
parents=[self.main_parser],
description=command.summary)
super(OptionParser, self).add_argument('command', nargs=1,
help=argparse.SUPPRESS)
self.command_arg_parser = argparse.ArgumentParser(prog, add_help=False)
self.command_arg_parser.print_usage = self.print_usage
command.set_argparser(self)
return self
def _add_cmd_usage(self, cmd, group):
""" store usage info about a single dnf command."""
summary = dnf.i18n.ucd(cmd.summary)
name = dnf.i18n.ucd(cmd.aliases[0])
if not name in self._cmd_usage:
self._cmd_usage[name] = (group, summary)
self._cmd_groups.add(group)
def add_commands(self, cli_cmds, group):
""" store name & summary for dnf commands
The stored information is used build usage information
grouped by build-in & plugin commands.
"""
for cmd in set(cli_cmds.values()):
self._add_cmd_usage(cmd, group)
def get_usage(self):
""" get the usage information to show the user. """
desc = {'main': _('List of Main Commands:'),
'plugin': _('List of Plugin Commands:')}
name = dnf.const.PROGRAM_NAME
usage = '%s [options] COMMAND\n' % name
for grp in ['main', 'plugin']:
if not grp in self._cmd_groups:
# dont add plugin usage, if we dont have plugins
continue
usage += "\n%s\n\n" % desc[grp]
for name in sorted(self._cmd_usage.keys()):
group, summary = self._cmd_usage[name]
if group == grp:
usage += "%-25s %s\n" % (name, summary)
return usage
def add_argument(self, *args, **kwargs):
# process options and arguments separately
if all([(arg[0] in self.prefix_chars) for arg in args]):
return super(OptionParser, self).add_argument(*args, **kwargs)
else:
return self.command_arg_parser.add_argument(*args, **kwargs)
def parse_main_args(self, args):
parser = argparse.ArgumentParser(dnf.const.PROGRAM_NAME, add_help=False,
parents=[self.main_parser])
parser.add_argument('command', nargs='?', help=argparse.SUPPRESS)
namespace, _unused_args = parser.parse_known_args(args)
return namespace
def parse_command_args(self, command, args):
self._command_parser(command)
namespace, extras = super(OptionParser,
self).parse_known_args(args)
command.opts = self.command_arg_parser.parse_args(extras, namespace)
return command.opts
def print_usage(self, file_=None):
# pylint: disable=E0202,W0212
self._actions += self.command_arg_parser._actions
super(OptionParser, self).print_usage(file_)
def print_help(self, command=None):
# pylint: disable=W0212
if command:
cp = self._command_parser(command)
cp._actions += cp.command_arg_parser._actions
super(OptionParser, cp).print_help()
else:
self.main_parser.usage = self.get_usage()
self.main_parser.print_help()