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?? __init__.py(31.37 KB)
?? __pycache__
?? alias.py(6.92 KB)
?? autoremove.py(2.97 KB)
?? check.py(7.06 KB)
?? clean.py(4.36 KB)
?? deplist.py(1.47 KB)
?? distrosync.py(1.91 KB)
?? downgrade.py(2.27 KB)
?? group.py(14.65 KB)
?? history.py(17.54 KB)
?? install.py(7.58 KB)
?? makecache.py(1.86 KB)
?? mark.py(3.45 KB)
?? module.py(16.46 KB)
?? reinstall.py(4.09 KB)
?? remove.py(6.48 KB)
?? repolist.py(12.62 KB)
?? repoquery.py(33.71 KB)
?? search.py(6.16 KB)
?? shell.py(9.61 KB)
?? swap.py(2.36 KB)
?? updateinfo.py(18.55 KB)
?? upgrade.py(4.62 KB)
?? upgrademinimal.py(1.76 KB)

Editing: remove.py

# 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.'))

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Editing: remove.py

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