38 changed files with 593 additions and 693 deletions
--- a/locale/fr/LC_MESSAGES/tiramisu.po
+++ b/locale/fr/LC_MESSAGES/tiramisu.po
--- a/locale/tiramisu.pot
+++ b/locale/tiramisu.pot
--- a/pyproject.toml
+++ b/pyproject.toml
@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]

 [project]
 name = "tiramisu"
-version = "5.2.0"
+version = "5.2.0rc0"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "an options controller tool"
--- a/tiramisu/init.py
+++ b/tiramisu/init.py
@ -12,7 +12,8 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-"""Configuration management library written in python"""
+"""Configuration management library written in python
+"""
 from .function import (
    calc_value,
    calc_value_property_help,
--- a/tiramisu/version.py
+++ b/tiramisu/version.py
@ -1 +1 @@
-__version__ = "5.2.0"
+__version__ = "5.2.0rc0"
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@ -141,8 +141,7 @@ class CommonTiramisu(TiramisuHelp):
                    raise ConfigError(str(err))
            if id(self._subconfig.config_bag) != id(self._config_bag):
                subconfig = self._subconfig
-                self._subconfig = subconfig.__class__(
-                    option=subconfig.option,
+                self._subconfig = subconfig.__class__(option=subconfig.option,
                                                index=subconfig.index,
                                                path=subconfig.path,
                                                config_bag=self._config_bag,
@ -154,9 +153,7 @@ class CommonTiramisu(TiramisuHelp):
                                                validate_properties=False,
                                                check_dynamic_without_identifiers=False,
                                                )
-                self._subconfig.is_self_dynamic_without_identifiers = (
-                    subconfig.is_self_dynamic_without_identifiers
-                )
+                self._subconfig.is_self_dynamic_without_identifiers = subconfig.is_self_dynamic_without_identifiers
            else:
                self._subconfig._length = None
        if not self._subconfig:
@ -192,11 +189,7 @@ def option_type(types):
                return func(self, options_bag, *args[1:], **kwargs)
            self._set_subconfig()
            if (
-                "allow_dynoption" not in types
-                and not (
-                    "dynoption_or_uncalculated" in types
-                    and kwargs.get("uncalculated", False) is True
-                )
+                "allow_dynoption" not in types and not ("dynoption_or_uncalculated" in types and kwargs.get("uncalculated", False) is True)
            ) and self._subconfig.is_dynamic_without_identifiers:
                raise AttributeOptionError(self._subconfig.path, "option-dynamic")

@ -244,13 +237,7 @@ def option_type(types):
                            self.__class__.__name__, func.__name__
                        )
                        raise ConfigError(msg)
-                    if self._index is None and (
-                        "with_index" in types
-                        or (
-                            "with_index_or_uncalculated" in types
-                            and kwargs.get("uncalculated", False) is False
-                        )
-                    ):
+                    if self._index is None and ("with_index" in types or ("with_index_or_uncalculated" in types and kwargs.get("uncalculated", False) is False)):
                        msg = _(
                            "please specify index with a follower option ({0}.{1})"
                        ).format(self.__class__.__name__, func.__name__)
@ -471,11 +458,7 @@ class _TiramisuOptionOptionDescription:
                ):
                    if subconfig.properties is None:
                        subconfig.properties = undefined
-                    if (
-                        is_default
-                        and subconfig.config_bag.context.get_owner(subconfig)
-                        != owners.default
-                    ):
+                    if is_default and subconfig.config_bag.context.get_owner(subconfig) != owners.default:
                        continue
                    options.append(
                        TiramisuOption(
@ -488,11 +471,7 @@ class _TiramisuOptionOptionDescription:
                for subconfig in context.get_dynamic_from_dyn_option(
                    self._subconfig, option
                ):
-                    if (
-                        is_default
-                        and subconfig.config_bag.context.get_owner(subconfig)
-                        != owners.default
-                    ):
+                    if is_default and subconfig.config_bag.context.get_owner(subconfig) != owners.default:
                        continue
                    options.append(
                        TiramisuOption(
@ -523,11 +502,7 @@ class _TiramisuOptionOptionDescription:
                        )
                    t_option._set_subconfig()
                    subconfig = t_option._subconfig
-                    if (
-                        is_default
-                        and subconfig.config_bag.context.get_owner(subconfig)
-                        != owners.default
-                    ):
+                    if is_default and subconfig.config_bag.context.get_owner(subconfig) != owners.default:
                        continue
                    options.append(
                            t_option,
@ -655,10 +630,7 @@ class _TiramisuOptionOptionDescription:
        dynconfig = None
        _subconfig = subconfig
        while not dynconfig:
-            if (
-                _subconfig.option.impl_is_optiondescription()
-                and _subconfig.option.impl_is_dynoptiondescription()
-            ):
+            if _subconfig.option.impl_is_optiondescription() and _subconfig.option.impl_is_dynoptiondescription():
                dynconfig = _subconfig
            else:
                _subconfig = _subconfig.parent
@ -677,30 +649,18 @@ class _TiramisuOptionOptionDescription:
        """
        identifiers = []
        while True:
-            if (
-                subconfig.option.impl_is_optiondescription()
-                and subconfig.option.impl_is_dynoptiondescription()
-            ):
+            if subconfig.option.impl_is_optiondescription() and subconfig.option.impl_is_dynoptiondescription():
                if not subconfig.is_self_dynamic_without_identifiers:
                    new_identifiers = [subconfig.identifiers[-1]]
                else:
-                    new_identifiers = subconfig.option.get_identifiers(
-                        subconfig.parent, uncalculated=uncalculated, convert=convert
-                    )
+                    new_identifiers = subconfig.option.get_identifiers(subconfig.parent, uncalculated=uncalculated, convert=convert)
                if isinstance(new_identifiers, Calculation):
                    if identifiers:
-                        identifiers = [
-                            [new_identifiers] + old_identifiers
-                            for old_identifiers in identifiers
-                        ]
+                        identifiers = [[new_identifiers] + old_identifiers for old_identifiers in identifiers]
                    else:
                        identifiers = [new_identifiers]
                elif identifiers:
-                    identifiers = [
-                        [identifier] + old_identifiers
-                        for identifier in new_identifiers
-                        for old_identifiers in identifiers
-                    ]
+                    identifiers = [[identifier] + old_identifiers for identifier in new_identifiers for old_identifiers in identifiers]
                else:
                    identifiers = [[identifier] for identifier in new_identifiers]
            subconfig = subconfig.parent
@ -722,10 +682,7 @@ class _TiramisuOptionOptionDescription:
        dynconfig = None
        _subconfig = subconfig
        while not dynconfig:
-            if (
-                _subconfig.option.impl_is_optiondescription()
-                and _subconfig.option.impl_is_dynoptiondescription()
-            ):
+            if _subconfig.option.impl_is_optiondescription() and _subconfig.option.impl_is_dynoptiondescription():
                dynconfig = _subconfig
            _subconfig = _subconfig.parent
        return dynconfig.option.get_identifiers(
@ -852,7 +809,10 @@ class TiramisuOptionOwner(CommonTiramisuOption):
        """Is option has defaut value"""
        subconfig = self._subconfig
        s_properties = subconfig.properties
-        if "frozen" in s_properties and "force_default_on_freeze" in s_properties:
+        if (
+            "frozen" in s_properties
+            and "force_default_on_freeze" in s_properties
+        ):
            return True
        context = self._config_bag.context
        subconfig = context._get(
@ -884,13 +844,7 @@ class TiramisuOptionProperty(CommonTiramisuOption):
    _validate_properties = False

    @option_type(
-        [
-            "option",
-            "optiondescription",
-            "with_index_or_uncalculated",
-            "symlink",
-            "allow_dynoption",
-        ]
+        ["option", "optiondescription", "with_index_or_uncalculated", "symlink", "allow_dynoption"]
    )
    def get(
        self,
@ -1111,15 +1065,7 @@ class TiramisuOptionValue(CommonTiramisuOption, _TiramisuODGet):

    _validate_properties = True

-    @option_type(
-        [
-            "option",
-            "symlink",
-            "with_index",
-            "optiondescription",
-            "dynoption_or_uncalculated",
-        ]
-    )
+    @option_type(["option", "symlink", "with_index", "optiondescription", "dynoption_or_uncalculated"])
    def get(
        self,
        *,
@ -1183,13 +1129,7 @@ class TiramisuOptionValue(CommonTiramisuOption, _TiramisuODGet):
                values.reset(self._subconfig)

    @option_type(
-        [
-            "option",
-            "with_or_without_index",
-            "symlink",
-            "dont_validate_property",
-            "dynoption_or_uncalculated",
-        ]
+        ["option", "with_or_without_index", "symlink", "dont_validate_property", "dynoption_or_uncalculated"]
    )
    def default(
        self,
@ -1488,8 +1428,6 @@ class TiramisuOption(
        if self._tiramisu_dict is None:  # pragma: no cover
            self._load_dict()
        return self._tiramisu_dict.set_updates(body)
-
-
 #
 #    def forcepermissive(self):
 #        self._set_subconfig()
@ -1564,11 +1502,8 @@ class TiramisuContextValue(TiramisuConfig, _TiramisuODGet):
            only_mandatory=True,
        ):
            if id(subconfig.config_bag) != id(config_bag):
-                old_is_dynamic_without_identifiers = (
-                    subconfig.is_self_dynamic_without_identifiers
-                )
-                subconfig = subconfig.__class__(
-                    option=subconfig.option,
+                old_is_dynamic_without_identifiers = subconfig.is_self_dynamic_without_identifiers
+                subconfig = subconfig.__class__(option=subconfig.option,
                                                index=subconfig.index,
                                                path=subconfig.path,
                                                config_bag=config_bag,
@ -1580,9 +1515,7 @@ class TiramisuContextValue(TiramisuConfig, _TiramisuODGet):
                                                validate_properties=False,
                                                check_dynamic_without_identifiers=False,
                                                )
-                subconfig.is_self_dynamic_without_identifiers = (
-                    old_is_dynamic_without_identifiers
-                )
+                subconfig.is_self_dynamic_without_identifiers = old_is_dynamic_without_identifiers
            else:
                subconfig._length = None
            options.append(
@ -2296,7 +2229,6 @@ class TiramisuAPI(TiramisuHelp):
 class ConfigProp(TiramisuAPI, TiramisuContextOption):
    pass

-
 class Config(TiramisuAPI, TiramisuContextOption):
    """Root config object that enables us to handle the configuration options"""

@ -2323,8 +2255,6 @@ class Config(TiramisuAPI, TiramisuContextOption):
            permissives=permissives,
        )
        super().__init__(config_bag)
-
-
 #
 #    def __del__(self):
 #        try:
--- a/tiramisu/autolib.py
+++ b/tiramisu/autolib.py
@ -157,9 +157,9 @@ class ParamDynOption(ParamOption):
        )
        if not isinstance(identifiers, (list, Calculation)):
            raise Exception(
-                _(
-                    "identifiers in ParamDynOption must be a list or a calculation, not {0}"
-                ).format(identifiers)
+                _("identifiers in ParamDynOption must be a list or a calculation, not {0}").format(
+                    identifiers
+                )
            )
        if not isinstance(optional, bool):
            raise Exception(
@ -628,26 +628,21 @@ def manager_callback(
            properties = config_bag.context.get_settings().getproperties(
                subconfig,
                uncalculated=True,
-            ) - {"validator", "mandatory", "empty"}
+            ) - {'validator', 'mandatory', 'empty'}
            for subconfig_ in subconfigs:
                if subconfig.path == subconfig_.path:
                    values.append(orig_value)
                else:
                    subconfig_.properties = properties
-                    values.append(
-                        get_value(
+                    values.append(get_value(
                        config_bag,
                        subconfig_,
                        param,
                        True,
-                        )
-                    )
+                    ))
            if callback.__name__ not in FUNCTION_WAITING_FOR_DICT:
                return values
-            return {
-                "name": search_option.impl_get_display_name(subconfig),
-                "value": values,
-            }
+            return {"name": search_option.impl_get_display_name(subconfig), "value": values}
        else:
            value = calc_self(
                param,
@ -784,9 +779,7 @@ def manager_callback(
                                    or param.raisepropertyerror
                                ):
                                    raise err from err
-                                raise ConfigError(
-                                    str(err), subconfig=subconfig
-                                ) from err
+                                raise ConfigError(str(err), subconfig=subconfig) from err
                    parents = new_parents
                if subconfigs_is_a_list:
                    subconfigs = parents
@ -889,8 +882,7 @@ def carry_out_calculation(
    config_bag = config_bag.copy()
    config_bag.set_permissive()
    old_is_dynamic_without_identifiers = subconfig.is_dynamic_without_identifiers
-    subconfig = subconfig.__class__(
-        option=subconfig.option,
+    subconfig = subconfig.__class__(option=subconfig.option,
                                    index=subconfig.index,
                                    path=subconfig.path,
                                    config_bag=config_bag,
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""options handler global entry point"""
+"""options handler global entry point
+"""
 import weakref
 from copy import copy, deepcopy
 from typing import Optional, List, Any, Union
@ -48,7 +49,7 @@ def get_common_path(path1, path2):
    if common_path in all_paths:
        # od.st is not the common_path of od.st_in
        all_paths.remove(common_path)
-        if all_paths[0].startswith(common_path + "."):
+        if all_paths[0].startswith(common_path + '.'):
            return common_path
    if common_path.endswith("."):
        return common_path[:-1]
@ -104,9 +105,7 @@ class CCache:
        if not force:
    #        if is_default and config_bag.context.get_owner(subconfig) != owners.default:
    #            return
-            for is_default, woption in subconfig.option.get_dependencies(
-                subconfig.option
-            ):
+            for is_default, woption in subconfig.option.get_dependencies(subconfig.option):
                option = woption()
                if option.issubdyn():
                    # it's an option in dynoptiondescription, remove cache for all generated option
@ -344,13 +343,7 @@ class SubConfig:
                self.config_bag.context.get_settings().validate_properties(self)
                self._properties = undefined
            self.config_bag.context.get_settings().validate_properties(self)
-        if (
-            validate_properties
-            and self.apply_requires
-            and self.option.impl_is_optiondescription()
-            and self.path
-            and self.properties is not None
-        ):
+        if validate_properties and self.apply_requires and self.option.impl_is_optiondescription() and self.path and self.properties is not None:
            settings = config_bag.context.get_settings()
            self.transitive_properties = settings.calc_transitive_properties(
                self,
@ -533,10 +526,7 @@ class SubConfig:
        )
        if check_index and index is not None:
            if option.impl_is_optiondescription() or not option.impl_is_follower():
-                raise ConfigError(
-                    "index must be set only with a follower option",
-                    subconfig=subsubconfig,
-                )
+                raise ConfigError("index must be set only with a follower option", subconfig=subsubconfig,)
            length = self.get_length_leadership()
            if index >= length:
                raise LeadershipError(
@ -577,9 +567,7 @@ class SubConfig:
                None,
                validate_properties=False,
            )
-            subconfig.is_self_dynamic_without_identifiers = (
-                self.is_self_dynamic_without_identifiers
-            )
+            subconfig.is_self_dynamic_without_identifiers = self.is_self_dynamic_without_identifiers
            #FIXME
            #self._length = len(cconfig_bag.context.get_value(subconfig))
            length = len(cconfig_bag.context.get_value(subconfig))
@ -693,9 +681,7 @@ class SubConfig:
            true_path=self.true_path,
            validate_properties=False,
        )
-        subconfig.is_self_dynamic_without_identifiers = (
-            self.is_self_dynamic_without_identifiers
-        )
+        subconfig.is_self_dynamic_without_identifiers = self.is_self_dynamic_without_identifiers
        return subconfig


@ -1087,7 +1073,6 @@ class _Config(CCache):

 class _CommonConfig(_Config):
    "abstract base class for the Config, KernelGroupConfig and the KernelMetaConfig"
-
    __slots__ = (
        "_impl_values",
        "_impl_values_cache",
@ -1920,7 +1905,9 @@ class KernelMetaConfig(KernelMixConfig):
            if descr is None:
                descr = child.get_description()
            if child.impl_getname() is None:
-                raise ConfigError(_("children in MetaConfig must have name"))
+                raise ConfigError(
+                    _("children in MetaConfig must have name")
+                )
            elif descr is not child.get_description():
                raise ValueError(
                    _(
--- a/tiramisu/error.py
+++ b/tiramisu/error.py
@ -230,7 +230,6 @@ class ConfigError(Exception):

 class ConflictError(Exception):
    "duplicate options are present in a single config"
-
    pass


@ -309,7 +308,6 @@ class LeadershipError(Exception):

 class ConstError(TypeError):
    "no uniq value in _NameSpace"
-
    pass


@ -428,8 +426,7 @@ class Errors:
        display_name = option.impl_get_display_name(subconfig, with_quote=True)
        if original_error:
            raise ConfigError(
-                message.format(display_name, original_error, *extra_keys),
-                subconfig=subconfig,
+                message.format(display_name, original_error, *extra_keys), subconfig=subconfig,
            ) from original_error
        raise ConfigError(message.format(display_name, extra_keys), subconfig=subconfig)

--- a/tiramisu/function.py
+++ b/tiramisu/function.py
@ -12,7 +12,8 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-"""some functions to validates or calculates value"""
+"""some functions to validates or calculates value
+"""
 from typing import Any, List, Optional
 from operator import add, mul, sub, truediv
 from ipaddress import ip_address, ip_interface, ip_network
--- a/tiramisu/locale/fr/LC_MESSAGES/tiramisu.mo
+++ b/tiramisu/locale/fr/LC_MESSAGES/tiramisu.mo
--- a/tiramisu/option/init.py
+++ b/tiramisu/option/init.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""all official option"""
+"""all official option
+"""
 from .optiondescription import OptionDescription
 from .dynoptiondescription import DynOptionDescription
 from .leadership import Leadership
--- a/tiramisu/option/baseoption.py
+++ b/tiramisu/option/baseoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""base option"""
+"""base option
+"""
 from typing import FrozenSet, Set, Any, List, Optional, Dict
 import weakref
 from itertools import chain
@ -26,13 +27,7 @@ from itertools import chain

 from ..i18n import _
 from ..setting import undefined
-from ..autolib import (
-    Calculation,
-    ParamOption,
-    ParamSelfOption,
-    ParamInformation,
-    ParamSelfInformation,
-)
+from ..autolib import Calculation, ParamOption, ParamSelfOption, ParamInformation, ParamSelfInformation

 STATIC_TUPLE = frozenset()

@ -395,7 +390,10 @@ class BaseOption(Base):
            self.value_dependency(value, is_identifier)

    def value_dependency(
-        self, value: Any, is_identifier: bool = False, type_: str = "default"
+        self,
+        value: Any,
+        is_identifier: bool = False,
+        type_: str = 'default'
    ) -> Any:
        if not isinstance(is_identifier, bool):
            raise Exception()
--- a/tiramisu/option/booloption.py
+++ b/tiramisu/option/booloption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""BoolOption"""
+"""BoolOption
+"""

 from ..i18n import _
 from .option import Option
--- a/tiramisu/option/broadcastoption.py
+++ b/tiramisu/option/broadcastoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""BroadcastOption"""
+"""BroadcastOption
+"""
 from ipaddress import ip_address

 from ..i18n import _
--- a/tiramisu/option/choiceoption.py
+++ b/tiramisu/option/choiceoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""ChoiceOption"""
+"""ChoiceOption
+"""
 from typing import Any
 from itertools import chain

--- a/tiramisu/option/dateoption.py
+++ b/tiramisu/option/dateoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""DateOption"""
+"""DateOption
+"""
 from datetime import datetime

 from ..i18n import _
--- a/tiramisu/option/domainnameoption.py
+++ b/tiramisu/option/domainnameoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""DomainnameOption"""
+"""DomainnameOption
+"""
 import re
 import socket
 from ipaddress import ip_interface
--- a/tiramisu/option/dynoptiondescription.py
+++ b/tiramisu/option/dynoptiondescription.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""DynOptionDescription"""
+"""DynOptionDescription
+"""
 import re
 import weakref
 from typing import List, Any, Optional, Dict
--- a/tiramisu/option/emailoption.py
+++ b/tiramisu/option/emailoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""EmailOption"""
+"""EmailOption
+"""
 import re

 from ..i18n import _
--- a/tiramisu/option/filenameoption.py
+++ b/tiramisu/option/filenameoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""FilenameOption"""
+"""FilenameOption
+"""
 from pathlib import Path

 from ..i18n import _
--- a/tiramisu/option/floatoption.py
+++ b/tiramisu/option/floatoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""FloatOption"""
+"""FloatOption
+"""

 from ..i18n import _
 from .option import Option
--- a/tiramisu/option/intoption.py
+++ b/tiramisu/option/intoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""IntOption"""
+"""IntOption
+"""

 from ..i18n import _
 from .option import Option
@ -26,7 +27,6 @@ from .option import Option

 class IntOption(Option):
    "represents a choice of an integer"
-
    __slots__ = tuple()
    _type = "integer"
    _t_type = _("integer")
--- a/tiramisu/option/ipoption.py
+++ b/tiramisu/option/ipoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""IPOption"""
+"""IPOption
+"""
 from ipaddress import ip_address, ip_interface

 from ..i18n import _
--- a/tiramisu/option/leadership.py
+++ b/tiramisu/option/leadership.py
@ -74,9 +74,7 @@ class Leadership(OptionDescription):
                    self._check_default_value(child)
                # remove empty property for follower
                if not child.impl_is_submulti():
-                    child._properties = frozenset(
-                        child._properties - {"empty", "unique"}
-                    )
+                    child._properties = frozenset(child._properties - {"empty", "unique"})
                followers.append(child)
            child._add_dependency(self, "leadership")
            child._leadership = weakref.ref(self)
--- a/tiramisu/option/macoption.py
+++ b/tiramisu/option/macoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""MACOption"""
+"""MACOption
+"""
 import re

 from ..i18n import _
--- a/tiramisu/option/netmaskoption.py
+++ b/tiramisu/option/netmaskoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""NetmaskOption"""
+"""NetmaskOption
+"""
 from ipaddress import ip_network
 from ..i18n import _
 from .stroption import StrOption
--- a/tiramisu/option/networkoption.py
+++ b/tiramisu/option/networkoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""NetworkOption"""
+"""NetworkOption
+"""
 from ipaddress import ip_network

 from ..i18n import _
@ -28,7 +29,6 @@ from .stroption import StrOption

 class NetworkOption(IPOption):
    "represents the choice of a network"
-
    __slots__ = tuple()
    _type = "network address"
    _t_type = _("network address")
--- a/tiramisu/option/optiondescription.py
+++ b/tiramisu/option/optiondescription.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""OptionDescription"""
+"""OptionDescription
+"""
 import weakref
 from typing import Optional, Iterator, Union, List, Dict

@ -28,12 +29,7 @@ from ..setting import ConfigBag, groups, undefined, owners, Undefined
 from .baseoption import BaseOption

 # from .syndynoption import SubDynOptionDescription, SynDynOptionDescription
-from ..error import (
-    ConfigError,
-    ConflictError,
-    AttributeOptionError,
-    PropertiesOptionError,
-)
+from ..error import ConfigError, ConflictError, AttributeOptionError, PropertiesOptionError


 class CacheOptionDescription(BaseOption):
--- a/tiramisu/option/passwordoption.py
+++ b/tiramisu/option/passwordoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""PasswordOption"""
+"""PasswordOption
+"""

 from ..i18n import _
 from ..error import display_list
--- a/tiramisu/option/permissionsoption.py
+++ b/tiramisu/option/permissionsoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""PermissionsOption"""
+"""PermissionsOption
+"""
 import re

 from ..i18n import _
--- a/tiramisu/option/portoption.py
+++ b/tiramisu/option/portoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""PortOption"""
+"""PortOption
+"""
 from ..i18n import _
 from .stroption import StrOption

--- a/tiramisu/option/stroption.py
+++ b/tiramisu/option/stroption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""StrOption and RegexpOption"""
+"""StrOption and RegexpOption
+"""
 from typing import Any

 from ..i18n import _
--- a/tiramisu/option/symlinkoption.py
+++ b/tiramisu/option/symlinkoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""SymLinkOption link to an other option"""
+"""SymLinkOption link to an other option
+"""
 from typing import Any, Optional, Dict
 from .baseoption import BaseOption, valid_name
 from ..i18n import _
--- a/tiramisu/option/urloption.py
+++ b/tiramisu/option/urloption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""URLOption to check url value"""
+"""URLOption to check url value
+"""
 import re
 from typing import Any, Optional, List, Dict

--- a/tiramisu/option/usernameoption.py
+++ b/tiramisu/option/usernameoption.py
@ -18,7 +18,8 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-"""UsernameOption or GroupnameOption to check unix username/group value"""
+"""UsernameOption or GroupnameOption to check unix username/group value
+"""
 import re

 from ..i18n import _
--- a/tiramisu/setting.py
+++ b/tiramisu/setting.py
@ -144,7 +144,8 @@ RW_REMOVE = frozenset(


 PROPERTIES_MAKE_SENSE = (
-    "cache" "demoting_error_warning",
+    "cache"
+    "demoting_error_warning",
    "disabled",
    "empty",
    "everything_frozen",
@ -377,7 +378,6 @@ forbidden_owners = (owners.default, owners.forced)  # pylint: disable=no-member
 # ____________________________________________________________
 class Settings:
    "``config.Config()``'s configuration options settings"
-
    __slots__ = (
        "_properties",
        "_permissives",
--- a/tiramisu/value.py
+++ b/tiramisu/value.py
@ -163,7 +163,9 @@ class Values:
        msubconfig = self._get_modified_parent(subconfig)
        if msubconfig is not None:
            # retrieved value from parent config
-            return msubconfig.config_bag.context.get_values().getowner(msubconfig)
+            return msubconfig.config_bag.context.get_values().getowner(
+                msubconfig
+            )
        return owners.default

    def get_default_value(
@ -567,7 +569,10 @@ class Values:
        :returns: a `setting.owners.Owner` object
        """
        self_properties = subconfig.properties
-        if "frozen" in self_properties and "force_default_on_freeze" in self_properties:
+        if (
+            "frozen" in self_properties
+            and "force_default_on_freeze" in self_properties
+        ):
            return owners.default
        setting_properties = subconfig.config_bag.properties
        if (