# Copyright (C) 2015 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.
"""An extension that ensures that given features are present."""
import sys
import dnf
import dnf.module
import dnf.rpm
if __name__ == '__main__':
FTR_SPECS = {'acpi-1.7-10.fc29.x86_64'} # <-- SET YOUR FEATURES HERE.
RPM_SPECS = {'./acpi-1.7-10.fc29.x86_64.rpm'} # <-- SET YOUR RPMS HERE.
GRP_SPECS = {'kde-desktop'} # <-- SET YOUR GROUPS HERE.
MODULE_SPEC = {"nodejs:10/default"} # <-- SET YOUR MODULES HERE.
with dnf.Base() as base:
# Substitutions are needed for correct interpretation of repo files.
RELEASEVER = dnf.rpm.detect_releasever(base.conf.installroot)
base.conf.substitutions['releasever'] = RELEASEVER
# Repositories are needed if we want to install anything.
base.read_all_repos()
# A sack is required by marking methods and dependency resolving.
base.fill_sack()
# Feature marking methods set the user request.
for ftr_spec in FTR_SPECS:
try:
base.install(ftr_spec)
except dnf.exceptions.MarkingError:
sys.exit('Feature(s) cannot be found: ' + ftr_spec)
# Package marking methods set the user request.
for pkg in base.add_remote_rpms(RPM_SPECS, strict=False):
try:
base.package_install(pkg, strict=False)
except dnf.exceptions.MarkingError:
sys.exit('RPM cannot be found: ' + pkg)
# Comps data reading initializes the base.comps attribute.
if GRP_SPECS:
base.read_comps(arch_filter=True)
# Group marking methods set the user request.
if MODULE_SPEC:
module_base = dnf.module.module_base.ModuleBase(base)
module_base.install(MODULE_SPEC, strict=False)
for grp_spec in GRP_SPECS:
group = base.comps.group_by_pattern(grp_spec)
if not group:
sys.exit('Group cannot be found: ' + grp_spec)
base.group_install(group.id, ['mandatory', 'default'])
# Resolving finds a transaction that allows the packages installation.
try:
base.resolve()
except dnf.exceptions.DepsolveError:
sys.exit('Dependencies cannot be resolved.')
# The packages to be installed must be downloaded first.
try:
base.download_packages(base.transaction.install_set)
except dnf.exceptions.DownloadError:
sys.exit('Required package cannot be downloaded.')
# The request can finally be fulfilled.
base.do_transaction()