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  $   	ˆl–äY>”Ð?Jq@¿q§®2Ú˜´oÆ„Y ¿ÅÄÃ ,&    	# package.py
# Module defining the dnf.Package class.
#
# 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.
#

""" Contains the dnf.Package class. """

from __future__ import absolute_import
from __future__ import unicode_literals

from dnf.i18n import _

import binascii
import dnf.exceptions
import dnf.rpm
import dnf.yum.misc
import hawkey
import libdnf.error
import libdnf.utils
import logging
import os
import rpm

logger = logging.getLogger("dnf")


class Package(hawkey.Package):
    """ Represents a package. #:api """

    DEBUGINFO_SUFFIX = "-debuginfo"  # :api
    DEBUGSOURCE_SUFFIX = "-debugsource"  # :api

    def __init__(self, initobject, base):
        super(Package, self).__init__(initobject)
        self.base = base
        self._priv_chksum = None
        self._repo = None
        self._priv_size = None

    @property
    def _chksum(self):
        if self._priv_chksum:
            return self._priv_chksum
        if self._from_cmdline:
            chksum_type = dnf.yum.misc.get_default_chksum_type()
            try:
                chksum_val = libdnf.utils.checksum_value(chksum_type, self.location)
            except libdnf.error.Error as e:
                raise dnf.exceptions.MiscError(str(e))
            return (hawkey.chksum_type(chksum_type),
                    binascii.unhexlify(chksum_val))
        return super(Package, self).chksum

    @_chksum.setter
    def _chksum(self, val):
        self._priv_chksum = val

    @property
    def _from_cmdline(self):
        return self.reponame == hawkey.CMDLINE_REPO_NAME

    @property
    def _from_system(self):
        return self.reponame == hawkey.SYSTEM_REPO_NAME

    @property
    def _from_repo(self):
        """
        For installed packages returns id of repository from which the package was installed
        prefixed with '@' (if such information is available in the history database). Otherwise
        returns id of repository the package belongs to (@System for installed packages of unknown
        origin)
        """
        pkgrepo = None
        if self._from_system:
            pkgrepo = self.base.history.repo(self)
        if pkgrepo:
            return '@' + pkgrepo
        return self.reponame

    @property
    def from_repo(self):
        # :api
        if self._from_system:
            return self.base.history.repo(self)
        return ""

    @property
    def _header(self):
        """
        Returns the header of a locally present rpm package file. As opposed to
        self.get_header(), which retrieves the header of an installed package
        from rpmdb.
        """
        return dnf.rpm._header(self.localPkg())

    @property
    def _size(self):
        if self._priv_size:
            return self._priv_size
        return super(Package, self).size

    @_size.setter
    def _size(self, val):
        self._priv_size = val

    @property
    def _pkgid(self):
        if self.hdr_chksum is None:
            return None
        (_, chksum) = self.hdr_chksum
        return binascii.hexlify(chksum)

    @property
    def source_name(self):
        # :api
        """
        returns name