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File Content: `install.py`

# 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
Name	Size	Permission
__pycache__	---	0755
__init__.py	32123 bytes	0644
alias.py	7088 bytes	0644
autoremove.py	3046 bytes	0644
check.py	7231 bytes	0644
clean.py	4468 bytes	0644
deplist.py	1510 bytes	0644
distrosync.py	1951 bytes	0644
downgrade.py	2325 bytes	0644
group.py	15005 bytes	0644
history.py	17957 bytes	0644
install.py	7763 bytes	0644
makecache.py	1901 bytes	0644
mark.py	3536 bytes	0644
module.py	16857 bytes	0644
reinstall.py	4189 bytes	0644
remove.py	6634 bytes	0644
repolist.py	12922 bytes	0644
repoquery.py	34521 bytes	0644
search.py	6306 bytes	0644
shell.py	9836 bytes	0644
swap.py	2419 bytes	0644
updateinfo.py	18994 bytes	0644
upgrade.py	4734 bytes	0644
upgrademinimal.py	1799 bytes	0644
File Content: install.py

File Content: `install.py`
