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# install.py
# Install CLI command.
#
# Copyright (C) 2014-2016 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
import logging
from itertools import chain
import hawkey
import dnf.exceptions
from dnf.cli import commands
from dnf.cli.option_parser import OptionParser
from dnf.i18n import _
logger = logging.getLogger('dnf')
class InstallCommand(commands.Command):
"""A class containing methods needed by the cli to execute the
install command.
"""
nevra_forms = {'install-n': hawkey.FORM_NAME,
'install-na': hawkey.FORM_NA,
'install-nevra': hawkey.FORM_NEVRA}
alternatives_provide = 'alternative-for({})'
aliases = ('install', 'localinstall', 'in') + tuple(nevra_forms.keys())
summary = _('install a package or packages on your system')
@staticmethod
def set_argparser(parser):
parser.add_argument('package', nargs='+', metavar=_('PACKAGE'),
action=OptionParser.ParseSpecGroupFileCallback,
help=_('Package to install'))
def configure(self):
"""Verify that conditions are met so that this command can run.
That there are enabled repositories with gpg keys, and that
this command is called with appropriate arguments.
"""
demands = self.cli.demands
demands.sack_activation = True
demands.available_repos = True
demands.resolving = True
demands.root_user = True
commands._checkGPGKey(self.base, self.cli)
if not self.opts.filenames:
commands._checkEnabledRepo(self.base)
def run(self):
err_pkgs = []
errs = []
error_module_specs = []
nevra_forms = self._get_nevra_forms_from_command()
self.cli._populate_update_security_filter(self.opts)
if self.opts.command == 'localinstall' and (self.opts.grp_specs or self.opts.pkg_specs):
self._log_not_valid_rpm_file_paths(self.opts.grp_specs)
if self.base.conf.strict:
raise dnf.exceptions.Error(_('Nothing to do.'))
skipped_grp_specs = []
if self.opts.grp_specs and self.opts.command != 'localinstall':
if dnf.base.WITH_MODULES:
try:
module_base = dnf.module.module_base.ModuleBase(self.base)
module_base.install(self.opts.grp_specs, strict=self.base.conf.strict)
except dnf.exceptions.MarkingErrors as e:
if e.no_match_group_specs:
for e_spec in e.no_match_group_specs:
skipped_grp_specs.append(e_spec)
if e.error_group_specs:
for e_spec in e.error_group_specs:
error_module_specs.append("@" + e_spec)
module_depsolv_errors = e.module_depsolv_errors
if module_depsolv_errors:
logger.error(dnf.module.module_base.format_modular_solver_errors(
module_depsolv_errors[0]))
else:
skipped_grp_specs = self.opts.grp_specs
if self.opts.filenames and nevra_forms:
self._inform_not_a_valid_combination(self.opts.filenames)
if self.base.conf.strict:
raise dnf.exceptions.Error(_('Nothing to do.'))
else:
err_pkgs = self._install_files()
if skipped_grp_specs and nevra_forms:
self._inform_not_a_valid_combination(skipped_grp_specs)
if self.base.conf.strict:
raise dnf.exceptions.Error(_('Nothing to do.'))
elif skipped_grp_specs and self.opts.command != 'localinstall':
self._install_groups(skipped_grp_specs)
if self.opts.command != 'localinstall':
errs = self._install_packages(nevra_forms)
if (len(errs) != 0 or len(err_pkgs) != 0 or error_module_specs) and self.base.conf.strict:
raise dnf.exceptions.PackagesNotAvailableError(_("Unable to find a match"),
pkg_spec=' '.join(errs),
packages=err_pkgs)
def _get_nevra_forms_from_command(self):
if self.opts.command in self.nevra_forms:
return [self.nevra_forms[self.opts.command]]
else:
return []
def _log_not_valid_rpm_file_paths(self, grp_specs):
group_names = map(lambda g: '@' + g, grp_specs)
for pkg in chain(self.opts.pkg_specs, group_names):
msg = _('Not a valid rpm file path: %s')
logger.info(msg, self.base.output.term.bold(pkg))
def _inform_not_a_valid_combination(self, forms):
for form in forms:
msg = _('Not a valid form: %s')
logger.warning(msg, self.base.output.term.bold(form))
def _install_files(self):
err_pkgs = []
strict = self.base.conf.strict
for pkg in self.base.add_remote_rpms(self.opts.filenames, strict=strict,
progress=self.base.output.progress):
try:
self.base.package_install(pkg, strict=strict)
except dnf.exceptions.MarkingError:
msg = _('No match for argument: %s')
logger.info(msg, self.base.output.term.bold(pkg.location))
err_pkgs.append(pkg)
return err_pkgs
def _install_groups(self, grp_specs):
try:
self.base.env_group_install(grp_specs,
tuple(self.base.conf.group_package_types),
strict=self.base.conf.strict)
except dnf.exceptions.Error:
if self.base.conf.strict:
raise
def _report_alternatives(self, pkg_spec):
query = self.base.sack.query().filterm(
provides=self.alternatives_provide.format(pkg_spec))
if query:
msg = _('There are following alternatives for "{0}": {1}')
logger.info(msg.format(
pkg_spec,
', '.join(sorted(set([alt.name for alt in query])))))
def _install_packages(self, nevra_forms):
errs = []
strict = self.base.conf.strict
for pkg_spec in self.opts.pkg_specs:
try:
self.base.install(pkg_spec, strict=strict, forms=nevra_forms)
except dnf.exceptions.MarkingError as e:
msg = '{}: {}'.format(e.value, self.base.output.term.bold(pkg_spec))
logger.info(msg)
self.base._report_icase_hint(pkg_spec)
self._report_alternatives(pkg_spec)
errs.append(pkg_spec)
return errs