group.py
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| py
Geri
# -*- 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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