Current File : //usr/lib/python3.6/site-packages/dnf/db/group.py
# -*- coding: utf-8 -*-
# Copyright (C) 2017-2018 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library 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.
#
import libdnf.transaction
import dnf.db.history
import dnf.transaction
import dnf.exceptions
from dnf.i18n import _
from dnf.util import logger
import rpm
class PersistorBase(object):
def __init__(self, history):
assert isinstance(history, dnf.db.history.SwdbInterface), str(type(history))
self.history = history
self._installed = {}
self._removed = {}
self._upgraded = {}
self._downgraded = {}
def __len__(self):
return len(self._installed) + len(self._removed) + len(self._upgraded) + len(self._downgraded)
def clean(self):
self._installed = {}
self._removed = {}
self._upgraded = {}
self._downgraded = {}
def _get_obj_id(self, obj):
raise NotImplementedError
def _add_to_history(self, item, action):
ti = self.history.swdb.addItem(item, "", action, libdnf.transaction.TransactionItemReason_USER)
ti.setState(libdnf.transaction.TransactionItemState_DONE)
def install(self, obj):
self._installed[self._get_obj_id(obj)] = obj
self._add_to_history(obj, libdnf.transaction.TransactionItemAction_INSTALL)
def remove(self, obj):
self._removed[self._get_obj_id(obj)] = obj
self._add_to_history(obj, libdnf.transaction.TransactionItemAction_REMOVE)
def upgrade(self, obj):
self._upgraded[self._get_obj_id(obj)] = obj
self._add_to_history(obj, libdnf.transaction.TransactionItemAction_UPGRADE)
def downgrade(self, obj):
self._downgraded[self._get_obj_id(obj)] = obj
self._add_to_history(obj, libdnf.transaction.TransactionItemAction_DOWNGRADE)
def new(self, obj_id, name, translated_name, pkg_types):
raise NotImplementedError
def get(self, obj_id):
raise NotImplementedError
def search_by_pattern(self, pattern):
raise NotImplementedError
class GroupPersistor(PersistorBase):
def __iter__(self):
items = self.history.swdb.getItems()
items = [i for i in items if i.getCompsGroupItem()]
return iter(items)
def _get_obj_id(self, obj):
return obj.getGroupId()
def new(self, obj_id, name, translated_name, pkg_types):
swdb_group = self.history.swdb.createCompsGroupItem()
swdb_group.setGroupId(obj_id)
if name is not None:
swdb_group.setName(name)
if translated_name is not None:
swdb_group.setTranslatedName(translated_name)
swdb_group.setPackageTypes(pkg_types)
return swdb_group
def get(self, obj_id):
swdb_group = self.history.swdb.getCompsGroupItem(obj_id)
if not swdb_group:
return None
swdb_group = swdb_group.getCompsGroupItem()
return swdb_group
def search_by_pattern(self, pattern):
return self.history.swdb.getCompsGroupItemsByPattern(pattern)
def get_package_groups(self, pkg_name):
return self.history.swdb.getPackageCompsGroups(pkg_name)
def is_removable_pkg(self, pkg_name):
# for group removal and autoremove
reason = self.history.swdb.resolveRPMTransactionItemReason(pkg_name, "", -2)
if reason != libdnf.transaction.TransactionItemReason_GROUP:
return False
# TODO: implement lastTransId == -2 in libdnf
package_groups = set(self.get_package_groups(pkg_name))
for group_id, group in self._removed.items():
for pkg in group.getPackages():
if pkg.getName() != pkg_name:
continue
if not pkg.getInstalled():
continue
package_groups.remove(group_id)
for group_id, group in self._installed.items():
for pkg in group.getPackages():
if pkg.getName() != pkg_name:
continue
if not pkg.getInstalled():
continue
package_groups.add(group_id)
if package_groups:
return False
return True
class EnvironmentPersistor(PersistorBase):
def __iter__(self):
items = self.history.swdb.getItems()
items = [i for i in items if i.getCompsEnvironmentItem()]
return iter(items)
def _get_obj_id(self, obj):
return obj.getEnvironmentId()
def new(self, obj_id, name, translated_name, pkg_types):
swdb_env = self.history.swdb.createCompsEnvironmentItem()
swdb_env.setEnvironmentId(obj_id)
if name is not None:
swdb_env.setName(name)
if translated_name is not None:
swdb_env.setTranslatedName(translated_name)
swdb_env.setPackageTypes(pkg_types)
return swdb_env
def get(self, obj_id):
swdb_env = self.history.swdb.getCompsEnvironmentItem(obj_id)
if not swdb_env:
return None
swdb_env = swdb_env.getCompsEnvironmentItem()
return swdb_env
def search_by_pattern(self, pattern):
return self.history.swdb.getCompsEnvironmentItemsByPattern(pattern)
def get_group_environments(self, group_id):
return self.history.swdb.getCompsGroupEnvironments(group_id)
def is_removable_group(self, group_id):
# for environment removal
swdb_group = self.history.group.get(group_id)
if not swdb_group:
return False
# TODO: implement lastTransId == -2 in libdnf
group_environments = set(self.get_group_environments(group_id))
for env_id, env in self._removed.items():
for group in env.getGroups():
if group.getGroupId() != group_id:
continue
if not group.getInstalled():
continue
group_environments.remove(env_id)
for env_id, env in self._installed.items():
for group in env.getGroups():
if group.getGroupId() != group_id:
continue
if not group.getInstalled():
continue
group_environments.add(env_id)
if group_environments:
return False
return True
class RPMTransaction(object):
def __init__(self, history, transaction=None):
self.history = history
self.transaction = transaction
if not self.transaction:
try:
self.history.swdb.initTransaction()
except:
pass
self._swdb_ti_pkg = {}
# TODO: close trans if needed
def __iter__(self):
# :api
if self.transaction:
items = self.transaction.getItems()
else:
items = self.history.swdb.getItems()
items = [dnf.db.history.RPMTransactionItemWrapper(self.history, i) for i in items if i.getRPMItem()]
return iter(items)
def __len__(self):
if self.transaction:
items = self.transaction.getItems()
else:
items = self.history.swdb.getItems()
items = [dnf.db.history.RPMTransactionItemWrapper(self.history, i) for i in items if i.getRPMItem()]
return len(items)
def _pkg_to_swdb_rpm_item(self, pkg):
rpm_item = self.history.swdb.createRPMItem()
rpm_item.setName(pkg.name)
rpm_item.setEpoch(pkg.epoch or 0)
rpm_item.setVersion(pkg.version)
rpm_item.setRelease(pkg.release)
rpm_item.setArch(pkg.arch)
return rpm_item
def new(self, pkg, action, reason=None, replaced_by=None):
rpm_item = self._pkg_to_swdb_rpm_item(pkg)
repoid = self.get_repoid(pkg)
if reason is None:
reason = self.get_reason(pkg)
result = self.history.swdb.addItem(rpm_item, repoid, action, reason)
if replaced_by:
result.addReplacedBy(replaced_by)
self._swdb_ti_pkg[result] = pkg
return result
def get_repoid(self, pkg):
result = getattr(pkg, "_force_swdb_repoid", None)
if result:
return result
return pkg.reponame
def get_reason(self, pkg):
"""Get reason for package"""
return self.history.swdb.resolveRPMTransactionItemReason(pkg.name, pkg.arch, -1)
def get_reason_name(self, pkg):
"""Get reason for package"""
return libdnf.transaction.TransactionItemReasonToString(self.get_reason(pkg))
def _add_obsoleted(self, obsoleted, replaced_by=None):
obsoleted = obsoleted or []
for obs in obsoleted:
ti = self.new(obs, libdnf.transaction.TransactionItemAction_OBSOLETED)
if replaced_by:
ti.addReplacedBy(replaced_by)
def add_downgrade(self, new, old, obsoleted=None):
ti_new = self.new(new, libdnf.transaction.TransactionItemAction_DOWNGRADE)
ti_old = self.new(old, libdnf.transaction.TransactionItemAction_DOWNGRADED, replaced_by=ti_new)
self._add_obsoleted(obsoleted, replaced_by=ti_new)
def add_erase(self, old, reason=None):
self.add_remove(old, reason)
def add_install(self, new, obsoleted=None, reason=None):
if reason is None:
reason = libdnf.transaction.TransactionItemReason_USER
ti_new = self.new(new, libdnf.transaction.TransactionItemAction_INSTALL, reason)
self._add_obsoleted(obsoleted, replaced_by=ti_new)
def add_reinstall(self, new, old, obsoleted=None):
ti_new = self.new(new, libdnf.transaction.TransactionItemAction_REINSTALL)
ti_old = self.new(old, libdnf.transaction.TransactionItemAction_REINSTALLED, replaced_by=ti_new)
self._add_obsoleted(obsoleted, replaced_by=ti_new)
def add_remove(self, old, reason=None):
reason = reason or libdnf.transaction.TransactionItemReason_USER
ti_old = self.new(old, libdnf.transaction.TransactionItemAction_REMOVE, reason)
def add_upgrade(self, new, old, obsoleted=None):
ti_new = self.new(new, libdnf.transaction.TransactionItemAction_UPGRADE)
ti_old = self.new(old, libdnf.transaction.TransactionItemAction_UPGRADED, replaced_by=ti_new)
self._add_obsoleted(obsoleted, replaced_by=ti_new)
def _test_fail_safe(self, hdr, pkg):
if pkg._from_cmdline:
return 0
if pkg.repo.module_hotfixes:
return 0
try:
if hdr['modularitylabel'] and not pkg._is_in_active_module():
logger.critical(_("No available modular metadata for modular package '{}', "
"it cannot be installed on the system").format(pkg))
return 1
except ValueError:
return 0
return 0
def _populate_rpm_ts(self, ts):
"""Populate the RPM transaction set."""
modular_problems = 0
for tsi in self:
try:
if tsi.action == libdnf.transaction.TransactionItemAction_DOWNGRADE:
hdr = tsi.pkg._header
modular_problems += self._test_fail_safe(hdr, tsi.pkg)
ts.addInstall(hdr, tsi, 'u')
elif tsi.action == libdnf.transaction.TransactionItemAction_DOWNGRADED:
ts.addErase(tsi.pkg.idx)
elif tsi.action == libdnf.transaction.TransactionItemAction_INSTALL:
hdr = tsi.pkg._header
modular_problems += self._test_fail_safe(hdr, tsi.pkg)
ts.addInstall(hdr, tsi, 'i')
elif tsi.action == libdnf.transaction.TransactionItemAction_OBSOLETE:
hdr = tsi.pkg._header
modular_problems += self._test_fail_safe(hdr, tsi.pkg)
ts.addInstall(hdr, tsi, 'u')
elif tsi.action == libdnf.transaction.TransactionItemAction_OBSOLETED:
ts.addErase(tsi.pkg.idx)
elif tsi.action == libdnf.transaction.TransactionItemAction_REINSTALL:
# note: in rpm 4.12 there should not be set
# rpm.RPMPROB_FILTER_REPLACEPKG to work
hdr = tsi.pkg._header
modular_problems += self._test_fail_safe(hdr, tsi.pkg)
ts.addReinstall(hdr, tsi)
elif tsi.action == libdnf.transaction.TransactionItemAction_REINSTALLED:
# Required when multiple packages with the same NEVRA marked as installed
ts.addErase(tsi.pkg.idx)
elif tsi.action == libdnf.transaction.TransactionItemAction_REMOVE:
ts.addErase(tsi.pkg.idx)
elif tsi.action == libdnf.transaction.TransactionItemAction_UPGRADE:
hdr = tsi.pkg._header
modular_problems += self._test_fail_safe(hdr, tsi.pkg)
ts.addInstall(hdr, tsi, 'u')
elif tsi.action == libdnf.transaction.TransactionItemAction_UPGRADED:
ts.addErase(tsi.pkg.idx)
elif tsi.action == libdnf.transaction.TransactionItemAction_REASON_CHANGE:
pass
else:
raise RuntimeError("TransactionItemAction not handled: %s" % tsi.action)
except rpm.error as e:
raise dnf.exceptions.Error(_("An rpm exception occurred: %s" % e))
if modular_problems:
raise dnf.exceptions.Error(_("No available modular metadata for modular package"))
return ts
@property
def install_set(self):
# :api
result = set()
for tsi in self:
if tsi.action in dnf.transaction.FORWARD_ACTIONS:
try:
result.add(tsi.pkg)
except KeyError:
raise RuntimeError("TransactionItem is has no RPM attached: %s" % tsi)
return result
@property
def remove_set(self):
# :api
result = set()
for tsi in self:
if tsi.action in dnf.transaction.BACKWARD_ACTIONS + [libdnf.transaction.TransactionItemAction_REINSTALLED]:
try:
result.add(tsi.pkg)
except KeyError:
raise RuntimeError("TransactionItem is has no RPM attached: %s" % tsi)
return result
def _rpm_limitations(self):
""" Ensures all the members can be passed to rpm as they are to perform
the transaction.
"""
src_installs = [pkg for pkg in self.install_set if pkg.arch == 'src']
if len(src_installs):
return _("Will not install a source rpm package (%s).") % \
src_installs[0]
return None
def _get_items(self, action):
return [tsi for tsi in self if tsi.action == action]
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