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# remove_command.py
# Remove CLI command.
#
# Copyright (C) 2012-2016 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 absolute_import
from __future__ import unicode_literals
from dnf.cli import commands
from dnf.i18n import _
from dnf.cli.option_parser import OptionParser
import dnf.base
import argparse
import hawkey
import dnf.exceptions
import logging
logger = logging.getLogger("dnf")
class RemoveCommand(commands.Command):
"""Remove command."""
nevra_forms = {'remove-n': hawkey.FORM_NAME,
'remove-na': hawkey.FORM_NA,
'remove-nevra': hawkey.FORM_NEVRA,
'erase-n': hawkey.FORM_NAME,
'erase-na': hawkey.FORM_NA,
'erase-nevra': hawkey.FORM_NEVRA}
aliases = ('remove', 'erase', 'rm') + tuple(nevra_forms.keys())
summary = _('remove a package or packages from your system')
@staticmethod
def set_argparser(parser):
mgroup = parser.add_mutually_exclusive_group()
mgroup.add_argument('--duplicates', action='store_true',
dest='duplicated',
help=_('remove duplicated packages'))
mgroup.add_argument('--duplicated', action='store_true',
help=argparse.SUPPRESS)
mgroup.add_argument('--oldinstallonly', action='store_true',
help=_(
'remove installonly packages over the limit'))
parser.add_argument('packages', nargs='*', help=_('Package to remove'),
action=OptionParser.ParseSpecGroupFileCallback,
metavar=_('PACKAGE'))
def configure(self):
demands = self.cli.demands
# disable all available repos to delete whole dependency tree
# instead of replacing removable package with available packages
demands.resolving = True
demands.root_user = True
demands.sack_activation = True
if self.opts.duplicated:
demands.available_repos = True
elif dnf.base.WITH_MODULES and self.opts.grp_specs:
demands.available_repos = True
demands.fresh_metadata = False
demands.allow_erasing = True
else:
demands.allow_erasing = True
demands.available_repos = False
def run(self):
forms = []
if self.opts.command in self.nevra_forms:
forms = [self.nevra_forms[self.opts.command]]
# local pkgs not supported in erase command
self.opts.pkg_specs += self.opts.filenames
done = False
if self.opts.duplicated:
q = self.base.sack.query()
instonly = self.base._get_installonly_query(q.installed())
dups = q.duplicated().difference(instonly)
if not dups:
raise dnf.exceptions.Error(_('No duplicated packages found for removal.'))
for (name, arch), pkgs_list in dups._na_dict().items():
if len(pkgs_list) < 2:
continue
pkgs_list.sort(reverse=True)
try:
self.base.reinstall(str(pkgs_list[0]))
except dnf.exceptions.PackagesNotAvailableError:
xmsg = ''
msg = _('Installed package %s%s not available.')
logger.warning(msg, self.base.output.term.bold(str(pkgs_list[0])), xmsg)
for pkg in pkgs_list[1:]:
self.base.package_remove(pkg)
return
if self.opts.oldinstallonly:
q = self.base.sack.query()
instonly = self.base._get_installonly_query(q.installed()).latest(-1)
# also remove running kernel from the set
kernel = self.base.sack.get_running_kernel()
if kernel is not None:
running_installonly = instonly.filter(
epoch=kernel.epoch, version=kernel.version, release=kernel.release)
if running_installonly:
instonly = instonly.difference(running_installonly)
if instonly:
for pkg in instonly:
self.base.package_remove(pkg)
else:
raise dnf.exceptions.Error(
_('No old installonly packages found for removal.'))
return
# Remove groups.
if self.opts.grp_specs and forms:
for grp_spec in self.opts.grp_specs:
msg = _('Not a valid form: %s')
logger.warning(msg, self.base.output.term.bold(grp_spec))
elif self.opts.grp_specs:
if dnf.base.WITH_MODULES:
module_base = dnf.module.module_base.ModuleBase(self.base)
skipped_grps = module_base.remove(self.opts.grp_specs)
if len(self.opts.grp_specs) != len(skipped_grps):
done = True
else:
skipped_grps = self.opts.grp_specs
if skipped_grps:
for group in skipped_grps:
try:
if self.base.env_group_remove([group]):
done = True
except dnf.exceptions.Error:
pass
for pkg_spec in self.opts.pkg_specs:
try:
self.base.remove(pkg_spec, forms=forms)
except dnf.exceptions.MarkingError as e:
msg = '{}: {}'.format(e.value, self.base.output.term.bold(pkg_spec))
logger.info(msg)
else:
done = True
if not done:
logger.warning(_('No packages marked for removal.'))