Mini Shell
# supplies the 'module' command.
#
# Copyright (C) 2014-2017 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 print_function
from dnf.cli import commands, CliError
from dnf.i18n import _
from dnf.module.exceptions import NoModuleException
from dnf.util import logger
import dnf.util
import sys
import os
import hawkey
import libdnf
import dnf.module.module_base
import dnf.exceptions
class ModuleCommand(commands.Command):
class SubCommand(commands.Command):
def __init__(self, cli):
super(ModuleCommand.SubCommand, self).__init__(cli)
self.module_base = dnf.module.module_base.ModuleBase(self.base)
def _get_modules_from_name_stream_specs(self):
modules_from_specs = set()
for module_spec in self.opts.module_spec:
__, nsvcap = self.module_base._get_modules(module_spec)
# When there is no match, the problem was already reported by module_base.remove()
if nsvcap is None:
continue
name = nsvcap.name if nsvcap.name else ""
stream = nsvcap.stream if nsvcap.stream else ""
if (nsvcap.version and nsvcap.version != -1) or nsvcap.context:
logger.info(_("Only module name, stream, architecture or profile is used. "
"Ignoring unneeded information in argument: '{}'").format(
module_spec))
arch = nsvcap.arch if nsvcap.arch else ""
modules = self.base._moduleContainer.query(name, stream, "", "", arch)
modules_from_specs.update(modules)
return modules_from_specs
def _get_module_artifact_names(self, use_modules, skip_modules):
artifacts = set()
pkg_names = set()
for module in use_modules:
if module not in skip_modules:
if self.base._moduleContainer.isModuleActive(module):
artifacts.update(module.getArtifacts())
for artifact in artifacts:
subj = hawkey.Subject(artifact)
for nevra_obj in subj.get_nevra_possibilities(
forms=[hawkey.FORM_NEVRA]):
if nevra_obj.name:
pkg_names.add(nevra_obj.name)
return pkg_names, artifacts
class ListSubCommand(SubCommand):
aliases = ('list',)
summary = _('list all module streams, profiles and states')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
def run_on_module(self):
mods = self.module_base
if self.opts.enabled:
output = mods._get_brief_description(
self.opts.module_spec, libdnf.module.ModulePackageContainer.ModuleState_ENABLED)
elif self.opts.disabled:
output = mods._get_brief_description(
self.opts.module_spec,
libdnf.module.ModulePackageContainer.ModuleState_DISABLED)
elif self.opts.installed:
output = mods._get_brief_description(
self.opts.module_spec,
libdnf.module.ModulePackageContainer.ModuleState_INSTALLED)
else:
output = mods._get_brief_description(
self.opts.module_spec, libdnf.module.ModulePackageContainer.ModuleState_UNKNOWN)
if output:
print(output)
return
if self.opts.module_spec:
msg = _('No matching Modules to list')
raise dnf.exceptions.Error(msg)
class InfoSubCommand(SubCommand):
aliases = ('info',)
summary = _('print detailed information about a module')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
def run_on_module(self):
if self.opts.verbose:
output = self.module_base._get_full_info(self.opts.module_spec)
elif self.opts.profile:
output = self.module_base._get_info_profiles(self.opts.module_spec)
else:
output = self.module_base._get_info(self.opts.module_spec)
if output:
print(output)
else:
raise dnf.exceptions.Error(_('No matching Modules to list'))
class EnableSubCommand(SubCommand):
aliases = ('enable',)
summary = _('enable a module stream')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
def run_on_module(self):
try:
self.module_base.enable(self.opts.module_spec)
except dnf.exceptions.MarkingErrors as e:
if self.base.conf.strict:
if e.no_match_group_specs or e.error_group_specs:
raise e
if e.module_depsolv_errors and e.module_depsolv_errors[1] != \
libdnf.module.ModulePackageContainer.ModuleErrorType_ERROR_IN_DEFAULTS:
raise e
logger.error(str(e))
class DisableSubCommand(SubCommand):
aliases = ('disable',)
summary = _('disable a module with all its streams')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
def run_on_module(self):
try:
self.module_base.disable(self.opts.module_spec)
except dnf.exceptions.MarkingErrors as e:
if self.base.conf.strict:
if e.no_match_group_specs or e.error_group_specs:
raise e
if e.module_depsolv_errors and e.module_depsolv_errors[1] != \
libdnf.module.ModulePackageContainer.ModuleErrorType_ERROR_IN_DEFAULTS:
raise e
logger.error(str(e))
class ResetSubCommand(SubCommand):
aliases = ('reset',)
summary = _('reset a module')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
def run_on_module(self):
try:
self.module_base.reset(self.opts.module_spec)
except dnf.exceptions.MarkingErrors as e:
if self.base.conf.strict:
if e.no_match_group_specs:
raise e
logger.error(str(e))
class InstallSubCommand(SubCommand):
aliases = ('install',)
summary = _('install a module profile including its packages')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
def run_on_module(self):
try:
self.module_base.install(self.opts.module_spec, self.base.conf.strict)
except dnf.exceptions.MarkingErrors as e:
if self.base.conf.strict:
if e.no_match_group_specs or e.error_group_specs:
raise e
logger.error(str(e))
class UpdateSubCommand(SubCommand):
aliases = ('update',)
summary = _('update packages associated with an active stream')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
def run_on_module(self):
module_specs = self.module_base.upgrade(self.opts.module_spec)
if module_specs:
raise NoModuleException(", ".join(module_specs))
class RemoveSubCommand(SubCommand):
aliases = ('remove', 'erase',)
summary = _('remove installed module profiles and their packages')
def configure(self):
demands = self.cli.demands
demands.allow_erasing = True
demands.available_repos = True
demands.fresh_metadata = False
demands.resolving = True
demands.root_user = True
demands.sack_activation = True
def run_on_module(self):
skipped_groups = self.module_base.remove(self.opts.module_spec)
if self.opts.all:
modules_from_specs = self._get_modules_from_name_stream_specs()
remove_names_from_spec, __ = self._get_module_artifact_names(
modules_from_specs, set())
keep_names, __ = self._get_module_artifact_names(
self.base._moduleContainer.getModulePackages(), modules_from_specs)
remove_query = self.base.sack.query().installed().filterm(
name=remove_names_from_spec)
keep_query = self.base.sack.query().installed().filterm(name=keep_names)
for pkg in remove_query:
if pkg in keep_query:
msg = _("Package {} belongs to multiple modules, skipping").format(pkg)
logger.info(msg)
else:
self.base.goal.erase(
pkg, clean_deps=self.base.conf.clean_requirements_on_remove)
if not skipped_groups:
return
logger.error(dnf.exceptions.MarkingErrors(no_match_group_specs=skipped_groups))
class SwitchToSubCommand(SubCommand):
aliases = ('switch-to',)
summary = _('switch a module to a stream and distrosync rpm packages')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.resolving = True
demands.root_user = True
self.base.conf.module_stream_switch = True
def run_on_module(self):
try:
self.module_base.switch_to(self.opts.module_spec, strict=self.base.conf.strict)
except dnf.exceptions.MarkingErrors as e:
if self.base.conf.strict:
if e.no_match_group_specs or e.error_group_specs:
raise e
logger.error(str(e))
class ProvidesSubCommand(SubCommand):
aliases = ("provides", )
summary = _('list modular packages')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
def run_on_module(self):
output = self.module_base._what_provides(self.opts.module_spec)
if output:
print(output)
class RepoquerySubCommand(SubCommand):
aliases = ("repoquery", )
summary = _('list packages belonging to a module')
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
def run_on_module(self):
modules_from_specs = set()
for module_spec in self.opts.module_spec:
modules, __ = self.module_base._get_modules(module_spec)
modules_from_specs.update(modules)
names_from_spec, spec_artifacts = self._get_module_artifact_names(
modules_from_specs, set())
package_strings = set()
if self.opts.available or not self.opts.installed:
query = self.base.sack.query().available().filterm(nevra_strict=spec_artifacts)
for pkg in query:
package_strings.add(str(pkg))
if self.opts.installed:
query = self.base.sack.query().installed().filterm(name=names_from_spec)
for pkg in query:
package_strings.add(str(pkg))
output = "\n".join(sorted(package_strings))
print(output)
SUBCMDS = {ListSubCommand, InfoSubCommand, EnableSubCommand,
DisableSubCommand, ResetSubCommand, InstallSubCommand, UpdateSubCommand,
RemoveSubCommand, SwitchToSubCommand, ProvidesSubCommand, RepoquerySubCommand}
SUBCMDS_NOT_REQUIRED_ARG = {ListSubCommand}
aliases = ("module",)
summary = _("Interact with Modules.")
def __init__(self, cli):
super(ModuleCommand, self).__init__(cli)
subcmd_objs = (subcmd(cli) for subcmd in self.SUBCMDS)
self.subcmd = None
self._subcmd_name2obj = {
alias: subcmd for subcmd in subcmd_objs for alias in subcmd.aliases}
def set_argparser(self, parser):
narrows = parser.add_mutually_exclusive_group()
narrows.add_argument('--enabled', dest='enabled',
action='store_true',
help=_("show only enabled modules"))
narrows.add_argument('--disabled', dest='disabled',
action='store_true',
help=_("show only disabled modules"))
narrows.add_argument('--installed', dest='installed',
action='store_true',
help=_("show only installed modules or packages"))
narrows.add_argument('--profile', dest='profile',
action='store_true',
help=_("show profile content"))
parser.add_argument('--available', dest='available', action='store_true',
help=_("show only available packages"))
narrows.add_argument('--all', dest='all',
action='store_true',
help=_("remove all modular packages"))
subcommand_choices = []
subcommand_help = []
for subcmd in sorted(self.SUBCMDS, key=lambda x: x.aliases[0]):
subcommand_choices.append(subcmd.aliases[0])
subcommand_help.append('{}: {}'.format(subcmd.aliases[0], subcmd.summary or ''))
parser.add_argument('subcmd', nargs=1, choices=subcommand_choices,
metavar='<modular command>',
help='\n'.join(subcommand_help))
parser.add_argument('module_spec', metavar='module-spec', nargs='*',
help=_("Module specification"))
def configure(self):
try:
self.subcmd = self._subcmd_name2obj[self.opts.subcmd[0]]
except (CliError, KeyError):
self.cli.optparser.print_usage()
raise CliError
self.subcmd.opts = self.opts
self.subcmd.configure()
def run(self):
self.check_required_argument()
self.subcmd.run_on_module()
def check_required_argument(self):
not_required_argument = [alias
for subcmd in self.SUBCMDS_NOT_REQUIRED_ARG
for alias in subcmd.aliases]
if self.opts.subcmd[0] not in not_required_argument:
if not self.opts.module_spec:
raise CliError(
_("{} {} {}: too few arguments").format(dnf.util.MAIN_PROG,
self.opts.command,
self.opts.subcmd[0]))
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