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# remove_command.py
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# Remove CLI command.
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#
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# Copyright (C) 2012-2016 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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from __future__ import absolute_import
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from __future__ import unicode_literals
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from dnf.cli import commands
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from dnf.i18n import _
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from dnf.cli.option_parser import OptionParser
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import dnf.base
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import argparse
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import hawkey
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import dnf.exceptions
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import logging
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logger = logging.getLogger("dnf")
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class RemoveCommand(commands.Command):
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"""Remove command."""
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nevra_forms = {'remove-n': hawkey.FORM_NAME,
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'remove-na': hawkey.FORM_NA,
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'remove-nevra': hawkey.FORM_NEVRA,
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'erase-n': hawkey.FORM_NAME,
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'erase-na': hawkey.FORM_NA,
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'erase-nevra': hawkey.FORM_NEVRA}
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aliases = ('remove', 'erase', 'rm') + tuple(nevra_forms.keys())
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summary = _('remove a package or packages from your system')
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@staticmethod
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def set_argparser(parser):
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mgroup = parser.add_mutually_exclusive_group()
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mgroup.add_argument('--duplicates', action='store_true',
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dest='duplicated',
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help=_('remove duplicated packages'))
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mgroup.add_argument('--duplicated', action='store_true',
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help=argparse.SUPPRESS)
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mgroup.add_argument('--oldinstallonly', action='store_true',
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help=_(
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'remove installonly packages over the limit'))
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parser.add_argument('packages', nargs='*', help=_('Package to remove'),
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action=OptionParser.ParseSpecGroupFileCallback,
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metavar=_('PACKAGE'))
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def configure(self):
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demands = self.cli.demands
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# disable all available repos to delete whole dependency tree
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# instead of replacing removable package with available packages
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demands.resolving = True
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demands.root_user = True
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demands.sack_activation = True
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if self.opts.duplicated:
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demands.available_repos = True
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elif dnf.base.WITH_MODULES and self.opts.grp_specs:
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demands.available_repos = True
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demands.fresh_metadata = False
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demands.allow_erasing = True
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else:
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demands.allow_erasing = True
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demands.available_repos = False
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def run(self):
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forms = [self.nevra_forms[command] for command in self.opts.command
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if command in list(self.nevra_forms.keys())]
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# local pkgs not supported in erase command
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self.opts.pkg_specs += self.opts.filenames
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done = False
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if self.opts.duplicated:
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q = self.base.sack.query()
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instonly = self.base._get_installonly_query(q.installed())
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dups = q.duplicated().difference(instonly)
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if not dups:
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raise dnf.exceptions.Error(_('No duplicated packages found for removal.'))
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for (name, arch), pkgs_list in dups._na_dict().items():
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if len(pkgs_list) < 2:
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continue
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pkgs_list.sort(reverse=True)
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try:
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self.base.reinstall(str(pkgs_list[0]))
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except dnf.exceptions.PackagesNotAvailableError:
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xmsg = ''
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msg = _('Installed package %s%s not available.')
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logger.warning(msg, self.base.output.term.bold(str(pkgs_list[0])), xmsg)
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for pkg in pkgs_list[1:]:
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self.base.package_remove(pkg)
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return
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if self.opts.oldinstallonly:
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q = self.base.sack.query()
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instonly = self.base._get_installonly_query(q.installed()).latest(
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- self.base.conf.installonly_limit)
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if instonly:
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for pkg in instonly:
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self.base.package_remove(pkg)
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else:
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raise dnf.exceptions.Error(
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_('No old installonly packages found for removal.'))
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return
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# Remove groups.
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if self.opts.grp_specs and forms:
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for grp_spec in self.opts.grp_specs:
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msg = _('Not a valid form: %s')
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logger.warning(msg, self.base.output.term.bold(grp_spec))
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elif self.opts.grp_specs:
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if dnf.base.WITH_MODULES:
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module_base = dnf.module.module_base.ModuleBase(self.base)
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skipped_grps = module_base.remove(self.opts.grp_specs)
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if len(self.opts.grp_specs) != len(skipped_grps):
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done = True
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else:
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skipped_grps = self.opts.grp_specs
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if skipped_grps:
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self.base.read_comps(arch_filter=True)
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for group in skipped_grps:
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try:
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if self.base.env_group_remove([group]):
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done = True
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except dnf.exceptions.Error:
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pass
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for pkg_spec in self.opts.pkg_specs:
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try:
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self.base.remove(pkg_spec, forms=forms)
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except dnf.exceptions.MarkingError as e:
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msg = '{}: {}'.format(e.value, self.base.output.term.bold(pkg_spec))
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logger.info(msg)
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else:
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done = True
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if not done:
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logger.warning(_('No packages marked for removal.'))
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