# 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.
from collections import OrderedDict
import hawkey
import libdnf.smartcols
import libdnf.module
import dnf.selector
import dnf.exceptions
from dnf.module.exceptions import EnableMultipleStreamsException
from dnf.util import logger
from dnf.i18n import _, P_, ucd
STATE_DEFAULT = libdnf.module.ModulePackageContainer.ModuleState_DEFAULT
STATE_ENABLED = libdnf.module.ModulePackageContainer.ModuleState_ENABLED
STATE_DISABLED = libdnf.module.ModulePackageContainer.ModuleState_DISABLED
STATE_UNKNOWN = libdnf.module.ModulePackageContainer.ModuleState_UNKNOWN
MODULE_TABLE_HINT = _("\n\nHint: [d]efault, [e]nabled, [x]disabled, [i]nstalled")
MODULE_INFO_TABLE_HINT = _("\n\nHint: [d]efault, [e]nabled, [x]disabled, [i]nstalled, [a]ctive")
def _profile_comparison_key(profile):
return profile.getName()
class ModuleBase(object):
# :api
def __init__(self, base):
# :api
self.base = base
def enable(self, module_specs):
# :api
no_match_specs, error_specs, solver_errors, module_dicts = \
self._resolve_specs_enable_update_sack(module_specs)
for spec, (nsvcap, module_dict) in module_dicts.items():
if nsvcap.profile:
logger.info(_("Ignoring unnecessary profile: '{}/{}'").format(
nsvcap.name, nsvcap.profile))
if no_match_specs or error_specs or solver_errors:
raise dnf.exceptions.MarkingErrors(no_match_group_specs=no_match_specs,
error_group_specs=error_specs,
module_depsolv_errors=solver_errors)
def disable(self, module_specs):
# :api
no_match_specs, solver_errors = self._modules_reset_or_disable(module_specs, STATE_DISABLED)
if no_match_specs or solver_errors:
raise dnf.exceptions.MarkingErrors(no_match_group_specs=no_match_specs,
module_depsolv_errors=solver_errors)
def install(self, module_specs, strict=True):
# :api
no_match_specs, error_specs, solver_errors, module_dicts = \
self._resolve_specs_enable_update_sack(module_specs)
# <package_name, set_of_spec>
fail_safe_repo = hawkey.MODULE_FAIL_SAFE_REPO_NAME
install_dict = {}
install_set_artefacts = set()
fail_safe_repo_used = False
for spec, (nsvcap, moduledict) in module_dicts.items():
for name, streamdict in moduledict.items():
for stream, module_list in streamdict.items():
install_module_list = [x for x in module_list
if self.base._moduleContainer.isModuleActive(x.getId())]
if not install_module_list:
logger.error(_("All matches for argument '{0}' in module '{1}:{2}' are not "
"active").format(spec, name, stream))
error_specs.append(spec)
continue
profiles = []
latest_module = self._get_latest(install_module_list)
if latest_module.getRepoID() == fail_safe_repo:
msg = _(
"Installing module '{0}' from Fail-Safe repository {1} is not allowed")
logger.critical(msg.format(latest_module.getNameStream(), fail_safe_repo))
fail_safe_repo_used = True
if nsvcap.profile:
profiles.extend(latest_module.getProfiles(nsvcap.profile))
if not profiles:
available_profiles = latest_module.getProfiles()
if available_profiles:
profile_names = ", ".join(sorted(
[profile.getName() for profile in available_profiles]))
msg = _("Unable to match profile for argument {}. Available "
"profiles for '{}:{}': {}").format(
spec, name, stream, profile_names)
else:
msg = _("Unable to match profile for argument {}").format(spec)
logger.error(msg)
no_match_specs.append(spec)
continue
else:
profiles_strings = self.base._moduleContainer.getDefaultProfiles(
name, stream)
if not profiles_strings:
available_profiles = latest_module.getProfiles()
if available_profiles:
profile_names = ", ".join(sorted(
[profile.getName() for profile in available_profiles]))
msg = _("No default profiles for module {}:{}. Available profiles"
": {}").format(
name, stream, profile_names)
else:
msg = _("No profiles for module {}:{}").format(name, stream)
logger.error(msg)
error_specs.append(spec)
for profile in set(profiles_strings):
module_profiles = latest_module.getProfiles(profile)
if not module_profiles:
logger.error(
_("Default profile {} not available in module {}:{}").format(
profile, name, stream))
error_specs.append(spec)
profiles.extend(module_profiles)
for profile in profiles:
self.base._moduleContainer.install(latest_module ,profile.getName())
for pkg_name in profile.getContent():
install_dict.setdefault(pkg_name, set()).add(spec)
for module in install_module_list:
install_set_artefacts.update(module.getArtifacts())
if fail_safe_repo_used:
raise dnf.exceptions.Error(_(
"Installing module from Fail-Safe repository is not allowed"))
# Remove source packages they cannot be installed or upgraded
base_no_source_query = self.base.sack.query().filterm(arch__neq=['src', 'nosrc']).apply()
install_base_query = base_no_source_query.filter(nevra_strict=install_set_artefacts)
# add hot-fix packages
hot_fix_repos = [i.id for i in self.base.repos.iter_enabled() if i.module_hotfixes]
hotfix_packages = base_no_source_query.filter(
reponame=hot_fix_repos, name=install_dict.keys())
install_base_query = install_base_query.union(hotfix_packages)
for pkg_name, set_specs in install_dict.items():
query = install_base_query.filter(name=pkg_name)
if not query:
# package can also be non-modular or part of another stream
query = base_no_source_query.filter(name=pkg_name)
if not query:
for spec in set_specs:
logger.error(_("Unable to resolve argument {}").format(spec))
logger.error(_("No match for package {}").format(pkg_name))
error_specs.extend(set_specs)
continue
self.base._goal.group_members.add(pkg_name)
sltr = dnf.selector.Selector(self.base.sack)
sltr.set(pkg=query)
self.base._goal.install(select=sltr, optional=(not strict))
if no_match_specs or error_specs or solver_errors:
raise dnf.exceptions.MarkingErrors(no_match_group_specs=no_match_specs,
error_group_specs=error_specs,
module_depsolv_errors=solver_errors)
def reset(self, module_specs):
# :api
no_match_specs, solver_errors = self._modules_reset_or_disable(module_specs, STATE_UNKNOWN)
if no_match_specs:
raise dnf.exceptions.MarkingErrors(no_match_group_specs=no_match_specs,
module_depsolv_errors=solver_errors)
def upgrade(self, module_specs):
# :api
no_match_specs = []
fail_safe_repo = hawkey.MODULE_FAIL_SAFE_REPO_NAME
fail_safe_repo_used = False
# Remove source packages they cannot be installed or upgraded
base_no_source_query = self.base.sack.query().filterm(arch__neq=['src', 'nosrc']).apply()
for spec in module_specs:
module_list, nsvcap = self._get_modules(spec)
if not module_list:
no_match_specs.append(spec)
continue
update_module_list = [x for x in module_list
if self.base._moduleContainer.isModuleActive(x.getId())]
if not update_module_list:
logger.error(_("Unable to resolve argument {}").format(spec))
continue
module_dict = self._create_module_dict_and_enable(update_module_list, False)
upgrade_package_set = set()
for name, streamdict in module_dict.items():
for stream, module_list_from_dict in streamdict.items():
upgrade_package_set.update(self._get_package_name_set_and_remove_profiles(
module_list_from_dict, nsvcap))
latest_module = self._get_latest(module_list_from_dict)
if latest_module.getRepoID() == fail_safe_repo:
msg = _(
"Upgrading module '{0}' from Fail-Safe repository {1} is not allowed")
logger.critical(msg.format(latest_module.getNameStream(), fail_safe_repo))
fail_safe_repo_used = True
if nsvcap.profile:
profiles_set = latest_module.getProfiles(nsvcap.profile)
if not profiles_set:
continue
for profile in profiles_set:
upgrade_package_set.update(profile.getContent())
else:
for profile in latest_module.getProfiles():
upgrade_package_set.update(profile.getContent())
for artefact in latest_module.getArtifacts():
subj = hawkey.Subject(artefact)
for nevra_obj in subj.get_nevra_possibilities(
forms=[hawkey.FORM_NEVRA]):
upgrade_package_set.add(nevra_obj.name)
if not upgrade_package_set:
logger.error(_("Unable to match profile in argument {}").format(spec))
query = base_no_source_query.filter(name=upgrade_package_set)
if query:
sltr = dnf.selector.Selector(self.base.sack)
sltr.set(pkg=query)
self.base._goal.upgrade(select=sltr)
if fail_safe_repo_used:
raise dnf.exceptions.Error(_(
"Upgrading module from Fail-Safe repository is not allowed"))
return no_match_specs
def remove(self, module_specs):
# :api
no_match_specs = []
remove_package_set = set()
for spec in module_specs:
module_list, nsvcap = self._get_modules(spec)
if not module_list:
no_match_specs.append(spec)
continue
module_dict = self._create_module_dict_and_enable(module_list, False)
remove_packages_names = []
for name, streamdict in module_dict.items():
for stream, module_list_from_dict in streamdict.items():
remove_packages_names.extend(self._get_package_name_set_and_remove_profiles(
module_list_from_dict, nsvcap, True))
if not remove_packages_names:
logger.error(_("Unable to match profile in argument {}").format(spec))
remove_package_set.update(remove_packages_names)
if remove_package_set:
keep_pkg_names = self.base._moduleContainer.getInstalledPkgNames()
remove_package_set = remove_package_set.difference(keep_pkg_names)
if remove_package_set:
query = self.base.sack.query().installed().filterm(name=remove_package_set)
if query:
self.base._remove_if_unneeded(query)
return no_match_specs
def get_modules(self, module_spec):
# :api
return self._get_modules(module_spec)
def _get_modules(self, module_spec):
# used by ansible (lib/ansible/modules/packaging/os/dnf.py)
subj = hawkey.Subject(module_spec)
for nsvcap in subj.nsvcap_possibilities():
name = nsvcap.name if nsvcap.name else ""
stream = nsvcap.stream if nsvcap.stream else ""
version = ""
context = nsvcap.context if nsvcap.context else ""
arch = nsvcap.arch if nsvcap.arch else ""
if nsvcap.version and nsvcap.version != -1:
version = str(nsvcap.version)
modules = self.base._moduleContainer.query(name, stream, version, context, arch)
if modules:
return modules, nsvcap
return (), None
def _get_latest(self, module_list):
latest = None
if module_list:
latest = module_list[0]
for module in module_list[1:]:
if module.getVersionNum() > latest.getVersionNum():
latest = module
return latest
def _create_module_dict_and_enable(self, module_list, enable=True):
moduleDict = {}
for module in module_list:
moduleDict.setdefault(
module.getName(), {}).setdefault(module.getStream(), []).append(module)
for moduleName, streamDict in moduleDict.items():
moduleState = self.base._moduleContainer.getModuleState(moduleName)
if len(streamDict) > 1:
if moduleState != STATE_DEFAULT and moduleState != STATE_ENABLED \
and moduleState != STATE_DISABLED:
raise EnableMultipleStreamsException(moduleName)
if moduleState == STATE_ENABLED:
stream = self.base._moduleContainer.getEnabledStream(moduleName)
else:
stream = self.base._moduleContainer.getDefaultStream(moduleName)
if not stream or stream not in streamDict:
raise EnableMultipleStreamsException(moduleName)
for key in sorted(streamDict.keys()):
if key == stream:
if enable:
self.base._moduleContainer.enable(moduleName, key)
continue
del streamDict[key]
elif enable:
for key in streamDict.keys():
self.base._moduleContainer.enable(moduleName, key)
assert len(streamDict) == 1
return moduleDict
def _resolve_specs_enable_update_sack(self, module_specs):
no_match_specs = []
error_spec = []
module_dicts = {}
for spec in module_specs:
module_list, nsvcap = self._get_modules(spec)
if not module_list:
no_match_specs.append(spec)
continue
try:
module_dict = self._create_module_dict_and_enable(module_list, True)
module_dicts[spec] = (nsvcap, module_dict)
except (RuntimeError, EnableMultipleStreamsException) as e:
error_spec.append(spec)
logger.error(ucd(e))
logger.error(_("Unable to resolve argument {}").format(spec))
hot_fix_repos = [i.id for i in self.base.repos.iter_enabled() if i.module_hotfixes]
try:
solver_errors = self.base.sack.filter_modules(
self.base._moduleContainer, hot_fix_repos, self.base.conf.installroot,
self.base.conf.module_platform_id, update_only=True,
debugsolver=self.base.conf.debug_solver)
except hawkey.Exception as e:
raise dnf.exceptions.Error(ucd(e))
for spec, (nsvcap, moduleDict) in module_dicts.items():
for streamDict in moduleDict.values():
for modules in streamDict.values():
try:
self.base._moduleContainer.enableDependencyTree(
libdnf.module.VectorModulePackagePtr(modules))
except RuntimeError as e:
error_spec.append(spec)
logger.error(ucd(e))
logger.error(_("Unable to resolve argument {}").format(spec))
return no_match_specs, error_spec, solver_errors, module_dicts
def _modules_reset_or_disable(self, module_specs, to_state):
no_match_specs = []
for spec in module_specs:
module_list, nsvcap = self._get_modules(spec)
if not module_list:
logger.error(_("Unable to resolve argument {}").format(spec))
no_match_specs.append(spec)
continue
if nsvcap.stream or nsvcap.version or nsvcap.context or nsvcap.arch or nsvcap.profile:
logger.info(_("Only module name is required. "
"Ignoring unneeded information in argument: '{}'").format(spec))
module_names = set()
for module in module_list:
module_names.add(module.getName())
for name in module_names:
if to_state == STATE_UNKNOWN:
self.base._moduleContainer.reset(name)
if to_state == STATE_DISABLED:
self.base._moduleContainer.disable(name)
hot_fix_repos = [i.id for i in self.base.repos.iter_enabled() if i.module_hotfixes]
try:
solver_errors = self.base.sack.filter_modules(
self.base._moduleContainer, hot_fix_repos, self.base.conf.installroot,
self.base.conf.module_platform_id, update_only=True,
debugsolver=self.base.conf.debug_solver)
except hawkey.Exception as e:
raise dnf.exceptions.Error(ucd(e))
return no_match_specs, solver_errors
def _get_package_name_set_and_remove_profiles(self, module_list, nsvcap, remove=False):
package_name_set = set()
latest_module = self._get_latest(module_list)
installed_profiles_strings = set(self.base._moduleContainer.getInstalledProfiles(
latest_module.getName()))
if not installed_profiles_strings:
return set()
if nsvcap.profile:
profiles_set = latest_module.getProfiles(nsvcap.profile)
if not profiles_set:
return set()
for profile in profiles_set:
if profile.getName() in installed_profiles_strings:
if remove:
self.base._moduleContainer.uninstall(latest_module, profile.getName())
package_name_set.update(profile.getContent())
else:
for profile_string in installed_profiles_strings:
if remove:
self.base._moduleContainer.uninstall(latest_module, profile_string)
for profile in latest_module.getProfiles(profile_string):
package_name_set.update(profile.getContent())
return package_name_set
def _get_info_profiles(self, module_specs):
output = set()
for module_spec in module_specs:
module_list, nsvcap = self._get_modules(module_spec)
if not module_list:
logger.info(_("Unable to resolve argument {}").format(module_spec))
continue
if nsvcap.profile:
logger.info(_("Ignoring unnecessary profile: '{}/{}'").format(
nsvcap.name, nsvcap.profile))
for module in module_list:
lines = OrderedDict()
lines["Name"] = module.getFullIdentifier()
for profile in sorted(module.getProfiles(), key=_profile_comparison_key):
lines[profile.getName()] = "\n".join(
[pkgName for pkgName in profile.getContent()])
output.add(self._create_simple_table(lines).toString())
return "\n\n".join(sorted(output))
def _profile_report_formatter(self, modulePackage, default_profiles, enabled_str):
installed_profiles = self.base._moduleContainer.getInstalledProfiles(
modulePackage.getName())
available_profiles = modulePackage.getProfiles()
profiles_str = ""
for profile in sorted(available_profiles, key=_profile_comparison_key):
profiles_str += "{}{}".format(
profile.getName(), " [d]" if profile.getName() in default_profiles else "")
profiles_str += " [i], " if profile.getName() in installed_profiles and enabled_str \
else ", "
return profiles_str[:-2]
def _module_strs_formatter(self, modulePackage, markActive=False):
default_str = ""
enabled_str = ""
disabled_str = ""
if modulePackage.getStream() == self.base._moduleContainer.getDefaultStream(
modulePackage.getName()):
default_str = " [d]"
if self.base._moduleContainer.isEnabled(modulePackage):
if not default_str:
enabled_str = " "
enabled_str += "[e]"
elif self.base._moduleContainer.isDisabled(modulePackage):
if not default_str:
disabled_str = " "
disabled_str += "[x]"
if markActive and self.base._moduleContainer.isModuleActive(modulePackage):
if not default_str:
disabled_str = " "
disabled_str += "[a]"
return default_str, enabled_str, disabled_str
def _get_info(self, module_specs):
output = set()
for module_spec in module_specs:
module_list, nsvcap = self._get_modules(module_spec)
if not module_list:
logger.info(_("Unable to resolve argument {}").format(module_spec))
continue
if nsvcap.profile:
logger.info(_("Ignoring unnecessary profile: '{}/{}'").format(
nsvcap.name, nsvcap.profile))
for modulePackage in module_list:
default_str, enabled_str, disabled_str = self._module_strs_formatter(
modulePackage, markActive=True)
default_profiles = self.base._moduleContainer.getDefaultProfiles(
modulePackage.getName(), modulePackage.getStream())
profiles_str = self._profile_report_formatter(
modulePackage, default_profiles, enabled_str)
lines = OrderedDict()
lines["Name"] = modulePackage.getName()
lines["Stream"] = modulePackage.getStream() + default_str + enabled_str + \
disabled_str
lines["Version"] = modulePackage.getVersion()
lines["Context"] = modulePackage.getContext()
lines["Architecture"] = modulePackage.getArch()
lines["Profiles"] = profiles_str
lines["Default profiles"] = " ".join(default_profiles)
lines["Repo"] = modulePackage.getRepoID()
lines["Summary"] = modulePackage.getSummary()
lines["Description"] = modulePackage.getDescription()
req_set = set()
for req in modulePackage.getModuleDependencies():
for require_dict in req.getRequires():
for mod_require, stream in require_dict.items():
req_set.add("{}:[{}]".format(mod_require, ",".join(stream)))
lines["Requires"] = "\n".join(sorted(req_set))
lines["Artifacts"] = "\n".join(sorted(modulePackage.getArtifacts()))
output.add(self._create_simple_table(lines).toString())
str_table = "\n\n".join(sorted(output))
if str_table:
str_table += MODULE_INFO_TABLE_HINT
return str_table
@staticmethod
def _create_simple_table(lines):
table = libdnf.smartcols.Table()
table.enableNoheadings(True)
table.setColumnSeparator(" : ")
column_name = table.newColumn("Name")
column_value = table.newColumn("Value")
column_value.setWrap(True)
column_value.setSafechars("\n")
column_value.setNewlineWrapFunction()
for line_name, value in lines.items():
if value is None:
value = ""
line = table.newLine()
line.getColumnCell(column_name).setData(line_name)
line.getColumnCell(column_value).setData(str(value))
return table
def _get_full_info(self, module_specs):
output = set()
for module_spec in module_specs:
module_list, nsvcap = self._get_modules(module_spec)
if not module_list:
logger.info(_("Unable to resolve argument {}").format(module_spec))
continue
if nsvcap.profile:
logger.info(_("Ignoring unnecessary profile: '{}/{}'").format(
nsvcap.name, nsvcap.profile))
for modulePackage in module_list:
info = modulePackage.getYaml()
if info:
output.add(info)
output_string = "\n\n".join(sorted(output))
return output_string
def _what_provides(self, rpm_specs):
output = set()
modulePackages = self.base._moduleContainer.getModulePackages()
baseQuery = self.base.sack.query().filterm(empty=True).apply()
getBestInitQuery = self.base.sack.query(flags=hawkey.IGNORE_MODULAR_EXCLUDES)
for spec in rpm_specs:
subj = dnf.subject.Subject(spec)
baseQuery = baseQuery.union(subj.get_best_query(
self.base.sack, with_nevra=True, with_provides=False, with_filenames=False,
query=getBestInitQuery))
baseQuery.apply()
for modulePackage in modulePackages:
artifacts = modulePackage.getArtifacts()
if not artifacts:
continue
query = baseQuery.filter(nevra_strict=artifacts)
if query:
for pkg in query:
string_output = ""
profiles = []
for profile in sorted(modulePackage.getProfiles(), key=_profile_comparison_key):
if pkg.name in profile.getContent():
profiles.append(profile.getName())
lines = OrderedDict()
lines["Module"] = modulePackage.getFullIdentifier()
lines["Profiles"] = " ".join(sorted(profiles))
lines["Repo"] = modulePackage.getRepoID()
lines["Summary"] = modulePackage.getSummary()
table = self._create_simple_table(lines)
string_output += "{}\n".format(self.base.output.term.bold(str(pkg)))
string_output += "{}".format(table.toString())
output.add(string_output)
return "\n\n".join(sorted(output))
def _create_and_fill_table(self, latest):
table = libdnf.smartcols.Table()
table.setTermforce(libdnf.smartcols.Table.TermForce_AUTO)
table.enableMaxout(True)
column_name = table.newColumn("Name")
column_stream = table.newColumn("Stream")
column_profiles = table.newColumn("Profiles")
column_profiles.setWrap(True)
column_info = table.newColumn("Summary")
column_info.setWrap(True)
if not self.base.conf.verbose:
column_info.hidden = True
for latest_per_repo in latest:
for nameStreamArch in latest_per_repo:
if len(nameStreamArch) == 1:
modulePackage = nameStreamArch[0]
else:
active = [module for module in nameStreamArch
if self.base._moduleContainer.isModuleActive(module)]
if active:
modulePackage = active[0]
else:
modulePackage = nameStreamArch[0]
line = table.newLine()
default_str, enabled_str, disabled_str = self._module_strs_formatter(
modulePackage, markActive=False)
default_profiles = self.base._moduleContainer.getDefaultProfiles(
modulePackage.getName(), modulePackage.getStream())
profiles_str = self._profile_report_formatter(modulePackage, default_profiles,
enabled_str)
line.getColumnCell(column_name).setData(modulePackage.getName())
line.getColumnCell(
column_stream).setData(
modulePackage.getStream() + default_str + enabled_str + disabled_str)
line.getColumnCell(column_profiles).setData(profiles_str)
line.getColumnCell(column_info).setData(modulePackage.getSummary())
return table
def _get_brief_description(self, module_specs, module_state):
modules = []
if module_specs:
for spec in module_specs:
module_list, nsvcap = self._get_modules(spec)
modules.extend(module_list)
else:
modules = self.base._moduleContainer.getModulePackages()
latest = self.base._moduleContainer.getLatestModulesPerRepo(module_state, modules)
if not latest:
return ""
table = self._create_and_fill_table(latest)
current_repo_id_index = 0
already_printed_lines = 0
try:
repo_name = self.base.repos[latest[0][0][0].getRepoID()].name
except KeyError:
repo_name = latest[0][0][0].getRepoID()
versions = len(latest[0])
header = self._format_header(table)
str_table = self._format_repoid(repo_name)
str_table += header
for i in range(0, table.getNumberOfLines()):
if versions + already_printed_lines <= i:
already_printed_lines += versions
current_repo_id_index += 1
# Fail-Safe repository is not in self.base.repos
try:
repo_name = self.base.repos[
latest[current_repo_id_index][0][0].getRepoID()].name
except KeyError:
repo_name = latest[current_repo_id_index][0][0].getRepoID()
versions = len(latest[current_repo_id_index])
str_table += "\n"
str_table += self._format_repoid(repo_name)
str_table += header
line = table.getLine(i)
str_table += table.toString(line, line)
return str_table + MODULE_TABLE_HINT
def _format_header(self, table):
line = table.getLine(0)
return table.toString(line, line).split('\n', 1)[0] + '\n'
def _format_repoid(self, repo_name):
return "{}\n".format(self.base.output.term.bold(repo_name))
def format_modular_solver_errors(errors):
msg = dnf.util._format_resolve_problems(errors)
return "\n".join(
[P_('Modular dependency problem:', 'Modular dependency problems:', len(errors)), msg])