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1# install.py2# Install CLI command.3#4# Copyright (C) 2014-2016 Red Hat, Inc.5#6# This copyrighted material is made available to anyone wishing to use,7# modify, copy, or redistribute it subject to the terms and conditions of8# the GNU General Public License v.2, or (at your option) any later version.9# This program is distributed in the hope that it will be useful, but WITHOUT10# ANY WARRANTY expressed or implied, including the implied warranties of11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General12# Public License for more details.  You should have received a copy of the13# GNU General Public License along with this program; if not, write to the14# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA15# 02110-1301, USA.  Any Red Hat trademarks that are incorporated in the16# source code or documentation are not subject to the GNU General Public17# License and may only be used or replicated with the express permission of18# Red Hat, Inc.19#20 21from __future__ import absolute_import22from __future__ import unicode_literals23 24import logging25from itertools import chain26 27import hawkey28 29import dnf.exceptions30from dnf.cli import commands31from dnf.cli.option_parser import OptionParser32from dnf.i18n import _33 34logger = logging.getLogger('dnf')35 36 37class InstallCommand(commands.Command):38    """A class containing methods needed by the cli to execute the39    install command.40    """41    nevra_forms = {'install-n': hawkey.FORM_NAME,42                   'install-na': hawkey.FORM_NA,43                   'install-nevra': hawkey.FORM_NEVRA}44    alternatives_provide = 'alternative-for({})'45 46    aliases = ('install', 'localinstall', 'in') + tuple(nevra_forms.keys())47    summary = _('install a package or packages on your system')48 49    @staticmethod50    def set_argparser(parser):51        parser.add_argument('package', nargs='+', metavar=_('PACKAGE'),52                            action=OptionParser.ParseSpecGroupFileCallback,53                            help=_('Package to install'))54 55    def configure(self):56        """Verify that conditions are met so that this command can run.57        That there are enabled repositories with gpg keys, and that58        this command is called with appropriate arguments.59        """60        demands = self.cli.demands61        demands.sack_activation = True62        demands.available_repos = True63        demands.resolving = True64        demands.root_user = True65        commands._checkGPGKey(self.base, self.cli)66        if not self.opts.filenames:67            commands._checkEnabledRepo(self.base)68 69    def run(self):70        err_pkgs = []71        errs = []72        error_module_specs = []73 74        nevra_forms = self._get_nevra_forms_from_command()75 76        self.cli._populate_update_security_filter(self.opts)77        if self.opts.command == 'localinstall' and (self.opts.grp_specs or self.opts.pkg_specs):78            self._log_not_valid_rpm_file_paths(self.opts.grp_specs)79            if self.base.conf.strict:80                raise dnf.exceptions.Error(_('Nothing to do.'))81        skipped_grp_specs = []82        if self.opts.grp_specs and self.opts.command != 'localinstall':83            if dnf.base.WITH_MODULES:84                try:85                    module_base = dnf.module.module_base.ModuleBase(self.base)86                    module_base.install(self.opts.grp_specs, strict=self.base.conf.strict)87                except dnf.exceptions.MarkingErrors as e:88                    if e.no_match_group_specs:89                        for e_spec in e.no_match_group_specs:90                            skipped_grp_specs.append(e_spec)91                    if e.error_group_specs:92                        for e_spec in e.error_group_specs:93                            error_module_specs.append("@" + e_spec)94                    module_depsolv_errors = e.module_depsolv_errors95                    if module_depsolv_errors:96                        logger.error(dnf.module.module_base.format_modular_solver_errors(97                            module_depsolv_errors[0]))98            else:99                skipped_grp_specs = self.opts.grp_specs100        if self.opts.filenames and nevra_forms:101            self._inform_not_a_valid_combination(self.opts.filenames)102            if self.base.conf.strict:103                raise dnf.exceptions.Error(_('Nothing to do.'))104        else:105            err_pkgs = self._install_files()106 107        if skipped_grp_specs and nevra_forms:108            self._inform_not_a_valid_combination(skipped_grp_specs)109            if self.base.conf.strict:110                raise dnf.exceptions.Error(_('Nothing to do.'))111        elif skipped_grp_specs and self.opts.command != 'localinstall':112            self._install_groups(skipped_grp_specs)113 114        if self.opts.command != 'localinstall':115            errs = self._install_packages(nevra_forms)116 117        if (len(errs) != 0 or len(err_pkgs) != 0 or error_module_specs) and self.base.conf.strict:118            raise dnf.exceptions.PackagesNotAvailableError(_("Unable to find a match"),119                                                           pkg_spec=' '.join(errs),120                                                           packages=err_pkgs)121 122    def _get_nevra_forms_from_command(self):123        if self.opts.command in self.nevra_forms:124            return [self.nevra_forms[self.opts.command]]125        else:126            return []127 128    def _log_not_valid_rpm_file_paths(self, grp_specs):129        group_names = map(lambda g: '@' + g, grp_specs)130        for pkg in chain(self.opts.pkg_specs, group_names):131            msg = _('Not a valid rpm file path: %s')132            logger.info(msg, self.base.output.term.bold(pkg))133 134    def _inform_not_a_valid_combination(self, forms):135        for form in forms:136            msg = _('Not a valid form: %s')137            logger.warning(msg, self.base.output.term.bold(form))138 139    def _install_files(self):140        err_pkgs = []141        strict = self.base.conf.strict142        for pkg in self.base.add_remote_rpms(self.opts.filenames, strict=strict,143                                             progress=self.base.output.progress):144            try:145                self.base.package_install(pkg, strict=strict)146            except dnf.exceptions.MarkingError:147                msg = _('No match for argument: %s')148                logger.info(msg, self.base.output.term.bold(pkg.location))149                err_pkgs.append(pkg)150 151        return err_pkgs152 153    def _install_groups(self, grp_specs):154        try:155            self.base.env_group_install(grp_specs,156                                        tuple(self.base.conf.group_package_types),157                                        strict=self.base.conf.strict)158        except dnf.exceptions.Error:159            if self.base.conf.strict:160                raise161 162    def _report_alternatives(self, pkg_spec):163        query = self.base.sack.query().filterm(164            provides=self.alternatives_provide.format(pkg_spec))165        if query:166            msg = _('There are following alternatives for "{0}": {1}')167            logger.info(msg.format(168                pkg_spec,169                ', '.join(sorted(set([alt.name for alt in query])))))170 171    def _install_packages(self, nevra_forms):172        errs = []173        strict = self.base.conf.strict174        for pkg_spec in self.opts.pkg_specs:175            try:176                self.base.install(pkg_spec, strict=strict, forms=nevra_forms)177            except dnf.exceptions.MarkingError as e:178                msg = '{}: {}'.format(e.value, self.base.output.term.bold(pkg_spec))179                logger.info(msg)180                self.base._report_icase_hint(pkg_spec)181                self._report_alternatives(pkg_spec)182                errs.append(pkg_spec)183 184        return errs185