315 lines
14 KiB
Python
315 lines
14 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright (C) 2014-2021 Team tiramisu (see AUTHORS for all contributors)
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published by the
|
|
# Free Software Foundation, either version 3 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 Lesser General Public License for more
|
|
# details.
|
|
#
|
|
# 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/>.
|
|
#
|
|
# The original `Config` design model is unproudly borrowed from
|
|
# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
|
|
# the whole pypy projet is under MIT licence
|
|
# ____________________________________________________________
|
|
from copy import copy
|
|
from typing import Optional, Iterator, Union, List
|
|
|
|
|
|
from ..i18n import _
|
|
from ..setting import ConfigBag, OptionBag, groups, undefined, owners, Undefined
|
|
from .baseoption import BaseOption
|
|
from .syndynoptiondescription import SynDynOptionDescription, SynDynLeadership
|
|
from ..error import ConfigError, ConflictError
|
|
|
|
|
|
class CacheOptionDescription(BaseOption):
|
|
__slots__ = ('_cache_force_store_values',
|
|
'_cache_dependencies_information',
|
|
)
|
|
|
|
def impl_already_build_caches(self) -> bool:
|
|
return self.impl_is_readonly()
|
|
|
|
async def _build_cache(self,
|
|
path='',
|
|
_consistencies=None,
|
|
_consistencies_id=0,
|
|
currpath: List[str]=None,
|
|
cache_option=None,
|
|
force_store_values=None,
|
|
dependencies_information=None,
|
|
display_name=None,
|
|
) -> None:
|
|
"""validate options and set option has readonly option
|
|
"""
|
|
# _consistencies is None only when we start to build cache
|
|
if _consistencies is None:
|
|
init = True
|
|
_consistencies = {}
|
|
if __debug__:
|
|
cache_option = []
|
|
force_store_values = []
|
|
dependencies_information = {}
|
|
currpath = []
|
|
else:
|
|
init = False
|
|
|
|
if self.impl_is_readonly():
|
|
# cache already set
|
|
raise ConfigError(_('option description seems to be part of an other '
|
|
'config'))
|
|
for option in await self.get_children(config_bag=undefined,
|
|
dyn=False):
|
|
if __debug__:
|
|
cache_option.append(option)
|
|
sub_currpath = currpath + [option.impl_getname()]
|
|
subpath = '.'.join(sub_currpath)
|
|
if isinstance(option, OptionDescription):
|
|
await option._build_cache(subpath,
|
|
_consistencies,
|
|
_consistencies_id,
|
|
sub_currpath,
|
|
cache_option,
|
|
force_store_values,
|
|
dependencies_information,
|
|
display_name)
|
|
else:
|
|
for information in option.get_dependencies_information():
|
|
dependencies_information.setdefault(information, []).append(option)
|
|
is_multi = option.impl_is_multi()
|
|
if not option.impl_is_symlinkoption():
|
|
properties = option.impl_getproperties()
|
|
if 'force_store_value' in properties:
|
|
if __debug__:
|
|
if option.issubdyn():
|
|
raise ConfigError(_('the dynoption "{0}" cannot have '
|
|
'"force_store_value" property').format(
|
|
option.impl_get_display_name()))
|
|
force_store_values.append((subpath, option))
|
|
if __debug__ and ('force_default_on_freeze' in properties or \
|
|
'force_metaconfig_on_freeze' in properties) and \
|
|
'frozen' not in properties and \
|
|
option.impl_is_leader():
|
|
raise ConfigError(_('a leader ({0}) cannot have '
|
|
'"force_default_on_freeze" or '
|
|
'"force_metaconfig_on_freeze" '
|
|
'property without "frozen"'
|
|
'').format(option.impl_get_display_name()))
|
|
if option.impl_is_readonly():
|
|
raise ConflictError(_('duplicate option: {0}').format(option))
|
|
if not self.impl_is_readonly() and display_name:
|
|
option._display_name_function = display_name
|
|
option._path = subpath
|
|
option._set_readonly()
|
|
if init:
|
|
self._cache_force_store_values = force_store_values
|
|
self._cache_dependencies_information = dependencies_information
|
|
self._path = self._name
|
|
self._set_readonly()
|
|
|
|
async def impl_build_force_store_values(self,
|
|
config_bag: ConfigBag) -> None:
|
|
if 'force_store_value' not in config_bag.properties:
|
|
return
|
|
values = config_bag.context.cfgimpl_get_values()
|
|
for subpath, option in self._cache_force_store_values:
|
|
if not await values._p_.hasvalue(config_bag.connection,
|
|
subpath):
|
|
if option.impl_is_follower():
|
|
option_bag = OptionBag()
|
|
leader = option.impl_get_leadership().get_leader()
|
|
option_bag.set_option(leader,
|
|
None,
|
|
config_bag)
|
|
option_bag.properties = frozenset()
|
|
follower_len = len(await values.getvalue(option_bag))
|
|
for index in range(follower_len):
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
index,
|
|
config_bag)
|
|
option_bag.properties = frozenset()
|
|
await values._p_.setvalue(config_bag.connection,
|
|
subpath,
|
|
await values.getvalue(option_bag),
|
|
owners.forced,
|
|
index,
|
|
False)
|
|
else:
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
None,
|
|
config_bag)
|
|
option_bag.properties = frozenset()
|
|
await values._p_.setvalue(config_bag.connection,
|
|
subpath,
|
|
await values.getvalue(option_bag),
|
|
owners.forced,
|
|
None,
|
|
False)
|
|
|
|
|
|
class OptionDescriptionWalk(CacheOptionDescription):
|
|
__slots__ = ('_children',)
|
|
|
|
async def get_child(self,
|
|
name: str,
|
|
config_bag: ConfigBag,
|
|
subpath: str) -> Union[BaseOption, SynDynOptionDescription]:
|
|
# if not dyn
|
|
if name in self._children[0]:
|
|
return self._children[1][self._children[0].index(name)]
|
|
# if dyn
|
|
for child in self._children[1]:
|
|
if child.impl_is_dynoptiondescription():
|
|
cname = child.impl_getname()
|
|
if name.startswith(cname):
|
|
for suffix in await child.get_suffixes(config_bag):
|
|
if name == cname + child.convert_suffix_to_path(suffix):
|
|
return child.to_dynoption(subpath,
|
|
suffix,
|
|
child)
|
|
if self.impl_get_group_type() == groups.root:
|
|
raise AttributeError(_('unknown option "{0}" '
|
|
'in root optiondescription'
|
|
'').format(name))
|
|
else:
|
|
raise AttributeError(_('unknown option "{0}" '
|
|
'in optiondescription "{1}"'
|
|
'').format(name, self.impl_get_display_name()))
|
|
|
|
async def get_children(self,
|
|
config_bag: Union[ConfigBag, Undefined],
|
|
dyn: bool=True) -> Union[BaseOption, SynDynOptionDescription]:
|
|
if not dyn or config_bag is undefined or \
|
|
config_bag.context.cfgimpl_get_description() == self:
|
|
subpath = ''
|
|
else:
|
|
subpath = self.impl_getpath()
|
|
children = []
|
|
for child in self._children[1]:
|
|
if dyn and child.impl_is_dynoptiondescription():
|
|
for suffix in await child.get_suffixes(config_bag):
|
|
children.append(child.to_dynoption(subpath,
|
|
suffix,
|
|
child))
|
|
else:
|
|
children.append(child)
|
|
return children
|
|
|
|
async def get_children_recursively(self,
|
|
bytype: Optional[BaseOption],
|
|
byname: Optional[str],
|
|
config_bag: ConfigBag,
|
|
self_opt: BaseOption=None) -> Iterator[Union[BaseOption, SynDynOptionDescription]]:
|
|
if self_opt is None:
|
|
self_opt = self
|
|
for option in await self_opt.get_children(config_bag):
|
|
if option.impl_is_optiondescription():
|
|
async for subopt in option.get_children_recursively(bytype,
|
|
byname,
|
|
config_bag):
|
|
yield subopt
|
|
elif (byname is None or option.impl_getname() == byname) and \
|
|
(bytype is None or isinstance(option, bytype)):
|
|
yield option
|
|
|
|
|
|
class OptionDescription(OptionDescriptionWalk):
|
|
"""Config's schema (organisation, group) and container of Options
|
|
The `OptionsDescription` objects lives in the `tiramisu.config.Config`.
|
|
"""
|
|
__slots__ = ('_group_type',)
|
|
|
|
def __init__(self,
|
|
name: str,
|
|
doc: str,
|
|
children: List[BaseOption],
|
|
properties=None) -> None:
|
|
"""
|
|
:param children: a list of options (including optiondescriptions)
|
|
|
|
"""
|
|
assert isinstance(children, list), _('children in optiondescription "{}" '
|
|
'must be a list').format(name)
|
|
super().__init__(name,
|
|
doc=doc,
|
|
properties=properties)
|
|
child_names = []
|
|
if __debug__:
|
|
dynopt_names = []
|
|
for child in children:
|
|
name = child.impl_getname()
|
|
child_names.append(name)
|
|
if __debug__ and child.impl_is_dynoptiondescription():
|
|
dynopt_names.append(name)
|
|
|
|
# before sorting
|
|
children_ = (tuple(child_names), tuple(children))
|
|
|
|
if __debug__:
|
|
# better performance like this
|
|
child_names.sort()
|
|
old = None
|
|
for child in child_names:
|
|
if child == old:
|
|
raise ConflictError(_('duplicate option name: '
|
|
'"{0}"').format(child))
|
|
if dynopt_names:
|
|
for dynopt in dynopt_names:
|
|
if child != dynopt and child.startswith(dynopt):
|
|
raise ConflictError(_('the option\'s name "{}" start as '
|
|
'the dynoptiondescription\'s name "{}"').format(child, dynopt))
|
|
old = child
|
|
self._children = children_
|
|
# the group_type is useful for filtering OptionDescriptions in a config
|
|
self._group_type = groups.default
|
|
|
|
def impl_is_optiondescription(self) -> bool:
|
|
return True
|
|
|
|
def impl_is_dynoptiondescription(self) -> bool:
|
|
return False
|
|
|
|
def impl_is_leadership(self) -> bool:
|
|
return False
|
|
|
|
# ____________________________________________________________
|
|
def impl_set_group_type(self,
|
|
group_type: groups.GroupType) -> None:
|
|
"""sets a given group object to an OptionDescription
|
|
|
|
:param group_type: an instance of `GroupType` or `LeadershipGroupType`
|
|
that lives in `setting.groups`
|
|
"""
|
|
if __debug__:
|
|
if self._group_type != groups.default:
|
|
raise ValueError(_('cannot change group_type if already set '
|
|
'(old {0}, new {1})').format(self._group_type,
|
|
group_type))
|
|
if not isinstance(group_type, groups.GroupType):
|
|
raise ValueError(_('group_type: {0}'
|
|
' not allowed').format(group_type))
|
|
if isinstance(group_type, groups.LeadershipGroupType):
|
|
raise ConfigError('please use Leadership object instead of OptionDescription')
|
|
self._group_type = group_type
|
|
|
|
def impl_get_group_type(self) -> groups.GroupType:
|
|
return self._group_type
|
|
|
|
def to_dynoption(self,
|
|
rootpath: str,
|
|
suffix: str,
|
|
ori_dyn) -> SynDynOptionDescription:
|
|
return SynDynOptionDescription(self,
|
|
rootpath,
|
|
suffix,
|
|
ori_dyn)
|