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sack.py3.0 KB · 84 lines
# sack.py# The dnf.Sack class, derived from hawkey.Sack## 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_importfrom __future__ import unicode_literalsimport dnf.utilimport dnf.packageimport dnf.queryimport loggingimport hawkeyimport osfrom dnf.pycomp import basestringfrom dnf.i18n import _ logger = logging.getLogger("dnf") class Sack(hawkey.Sack):    # :api     def __init__(self, *args, **kwargs):        super(Sack, self).__init__(*args, **kwargs)     def _configure(self, installonly=None, installonly_limit=0, allow_vendor_change=None):        if installonly:            self.installonly = installonly        self.installonly_limit = installonly_limit        if allow_vendor_change is not None:            self.allow_vendor_change = allow_vendor_change            if allow_vendor_change is False:                logger.warning(_("allow_vendor_change is disabled. This option is currently not supported for downgrade and distro-sync commands"))     def query(self, flags=0):        # :api        """Factory function returning a DNF Query."""        return dnf.query.Query(self, flags)  def _build_sack(base):    cachedir = base.conf.cachedir    # create the dir ourselves so we have the permissions under control:    dnf.util.ensure_dir(cachedir)    return Sack(pkgcls=dnf.package.Package, pkginitval=base,                arch=base.conf.substitutions["arch"],                cachedir=cachedir, rootdir=base.conf.installroot,                logfile=os.path.join(base.conf.logdir, dnf.const.LOG_HAWKEY),                logdebug=base.conf.logfilelevel > 9)  def _rpmdb_sack(base):    # used by subscription-manager (src/dnf-plugins/product-id.py)    sack = _build_sack(base)    try:        # It can fail if rpmDB is not present        sack.load_system_repo(build_cache=False)    except IOError:        pass    return sack  def rpmdb_sack(base):    # :api    """    Returns a new instance of sack containing only installed packages (@System repo)    Useful to get list of the installed RPMs after transaction.    """    return _rpmdb_sack(base)