1352 lines
65 KiB
Python
1352 lines
65 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2020 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# The original `Config` design model is unproudly borrowed from
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# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
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# the whole pypy projet is under MIT licence
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# ____________________________________________________________
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"options handler global entry point"
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import weakref
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from copy import copy
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from .error import PropertiesOptionError, ConfigError, ConflictError, \
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LeadershipError
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from .option import SynDynOptionDescription, DynOptionDescription, Leadership
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from .option.baseoption import BaseOption, valid_name
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from .setting import OptionBag, ConfigBag, Settings, undefined, groups
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from .storage import get_storages, gen_storage_id, get_default_values_storages, list_sessions, Cache
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from .value import Values
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from .i18n import _
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from .asyncinit import asyncinit
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@asyncinit
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class SubConfig:
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"""Sub configuration management entry.
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Tree if OptionDescription's responsability. SubConfig are generated
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on-demand. A Config is also a SubConfig.
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Root Config is call context below
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"""
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__slots__ = ('_impl_context',
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'_impl_descr',
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'_impl_path',
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'_impl_length')
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async def __init__(self,
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descr,
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context,
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config_bag=None,
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subpath=None):
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""" Configuration option management class
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:param descr: describes the configuration schema
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:type descr: an instance of ``option.OptionDescription``
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:param context: the current root config
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:type context: `Config`
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:type subpath: `str` with the path name
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"""
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# main option description
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if __debug__ and descr is not None and \
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(not isinstance(descr, (BaseOption, SynDynOptionDescription)) or
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not descr.impl_is_optiondescription()):
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try:
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msg = descr.impl_get_display_name()
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except AttributeError:
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msg = descr
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raise TypeError(_('cannot create a sub config for "{0}" this is a "{1}", not an "OptionDescription"'
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).format(msg, descr.__class__.__name__))
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self._impl_descr = descr
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self._impl_context = context
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self._impl_path = subpath
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if descr is not None and descr.impl_is_leadership():
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leader = descr.get_leader()
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leaderpath = leader.impl_getname()
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cconfig_bag = config_bag.copy()
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cconfig_bag.remove_validation()
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moption_bag = OptionBag()
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moption_bag.set_option(leader,
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None,
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cconfig_bag)
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moption_bag.properties = await self.cfgimpl_get_settings().getproperties(moption_bag)
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value = await self.getattr(leaderpath,
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moption_bag)
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self._impl_length = len(value)
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def cfgimpl_get_length(self):
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return self._impl_length
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async def cfgimpl_get_length_leadership(self,
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option_bag):
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if option_bag.option.impl_is_symlinkoption():
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context = self.cfgimpl_get_context()
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path = option_bag.option.impl_getopt().impl_getpath()
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subconfig, _ = await context.cfgimpl_get_home_by_path(path,
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option_bag.config_bag)
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return subconfig.cfgimpl_get_length()
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else:
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return self.cfgimpl_get_length()
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async def reset_one_option_cache(self,
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desc,
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resetted_opts,
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option_bag):
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if option_bag.path in resetted_opts:
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return
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resetted_opts.append(option_bag.path)
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for woption in option_bag.option._get_dependencies(self.cfgimpl_get_description()):
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option = woption()
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if option.impl_is_dynoptiondescription():
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subpath = option.impl_getpath().rsplit('.', 1)[0]
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for suffix in await option.get_suffixes(option_bag.config_bag):
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doption = option.to_dynoption(subpath,
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suffix,
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option)
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doption_bag = OptionBag()
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doption_bag.set_option(doption,
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option_bag.index,
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option_bag.config_bag)
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doption_bag.properties = await self.cfgimpl_get_settings().getproperties(doption_bag)
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await self.reset_one_option_cache(desc,
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resetted_opts,
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doption_bag)
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async for coption in self.cfgimpl_get_description().get_children_recursively(None,
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None,
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option_bag.config_bag):
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coption_bag = OptionBag()
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coption_bag.set_option(coption,
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option_bag.index,
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option_bag.config_bag)
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coption_bag.properties = await self.cfgimpl_get_settings().getproperties(coption_bag)
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await self.reset_one_option_cache(option,
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resetted_opts,
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coption_bag,
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)
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elif option.issubdyn():
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# it's an option in dynoptiondescription, remove cache for all generated option
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dynopt = option.getsubdyn()
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rootpath = dynopt.impl_getpath()
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subpaths = [rootpath] + option.impl_getpath()[len(rootpath) + 1:].split('.')[:-1]
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for suffix in await dynopt.get_suffixes(option_bag.config_bag):
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path_suffix = dynopt.convert_suffix_to_path(suffix)
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subpath = '.'.join([subp + path_suffix for subp in subpaths])
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doption = option.to_dynoption(subpath,
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suffix,
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dynopt)
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doption_bag = OptionBag()
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doption_bag.set_option(doption,
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option_bag.index,
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option_bag.config_bag)
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doption_bag.properties = await self.cfgimpl_get_settings().getproperties(doption_bag)
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await self.reset_one_option_cache(desc,
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resetted_opts,
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doption_bag)
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else:
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doption_bag = OptionBag()
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doption_bag.set_option(option,
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option_bag.index,
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option_bag.config_bag)
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doption_bag.properties = None
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await self.reset_one_option_cache(desc,
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resetted_opts,
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doption_bag)
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del option
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option_bag.option.reset_cache(option_bag.path,
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option_bag.config_bag,
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resetted_opts)
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async def cfgimpl_reset_cache(self,
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option_bag,
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resetted_opts=None):
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"""reset all settings in cache
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"""
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if resetted_opts is None:
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resetted_opts = []
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context = self.cfgimpl_get_context()
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desc = context.cfgimpl_get_description()
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if option_bag is not None:
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await self.reset_one_option_cache(desc,
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resetted_opts,
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option_bag)
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else:
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context._impl_values_cache.reset_all_cache()
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context._impl_properties_cache.reset_all_cache()
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async def cfgimpl_get_home_by_path(self,
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path: str,
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config_bag: ConfigBag,
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validate_properties=True) -> ('Subconfig', str):
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""":returns: tuple (config, name)"""
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path = path.split('.')
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for step in path[:-1]:
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option_bag = OptionBag()
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option = await self.cfgimpl_get_description().get_child(step,
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config_bag,
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self.cfgimpl_get_path())
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option_bag.set_option(option,
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None,
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config_bag)
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option_bag.properties = await self.cfgimpl_get_settings().getproperties(option_bag)
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self = await self.get_subconfig(option_bag,
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validate_properties)
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assert isinstance(self, SubConfig), _('unknown option {}').format(path[-1])
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return self, path[-1]
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# ______________________________________________________________________
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def cfgimpl_get_context(self):
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return self._impl_context()
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def cfgimpl_get_description(self):
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assert self._impl_descr is not None, _('there is no option description for this config'
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' (may be GroupConfig)')
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return self._impl_descr
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def cfgimpl_get_settings(self):
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return self.cfgimpl_get_context()._impl_settings
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def cfgimpl_get_values(self):
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return self.cfgimpl_get_context()._impl_values
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async def setattr(self,
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value,
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option_bag):
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if option_bag.option.impl_is_symlinkoption():
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raise ConfigError(_("can't set value to a SymLinkOption"))
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context = option_bag.config_bag.context
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await context.cfgimpl_get_settings().validate_properties(option_bag)
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if option_bag.option.impl_is_leader() and len(value) < self._impl_length:
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raise LeadershipError(_('cannot reduce length of the leader "{}"'
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'').format(option_bag.option.impl_get_display_name()))
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return await context.cfgimpl_get_values().setvalue(value,
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option_bag)
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async def delattr(self,
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option_bag):
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option = option_bag.option
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if option.impl_is_symlinkoption():
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raise ConfigError(_("can't delete a SymLinkOption"))
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values = self.cfgimpl_get_values()
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if option_bag.index is not None:
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await values.reset_follower(option_bag)
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else:
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await values.reset(option_bag)
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def _get_subpath(self, name):
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if self._impl_path is None:
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subpath = name
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else:
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subpath = self._impl_path + '.' + name
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return subpath
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async def get_subconfig(self,
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option_bag: OptionBag,
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validate_properties: bool=True) -> 'SubConfig':
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if validate_properties:
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await self.cfgimpl_get_settings().validate_properties(option_bag)
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return await SubConfig(option_bag.option,
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self._impl_context,
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option_bag.config_bag,
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option_bag.path)
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async def getattr(self,
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name,
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option_bag,
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from_follower=False,
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needs_re_verify_follower_properties=False,
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need_help=True):
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"""
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:return: option's value if name is an option name, OptionDescription
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otherwise
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"""
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config_bag = option_bag.config_bag
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if '.' in name:
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self, name = await self.cfgimpl_get_home_by_path(name,
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config_bag)
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option = option_bag.option
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if option.impl_is_symlinkoption():
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soption_bag = OptionBag()
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soption_bag.set_option(option.impl_getopt(),
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option_bag.index,
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config_bag)
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soption_bag.properties = await self.cfgimpl_get_settings().getproperties(soption_bag)
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soption_bag.ori_option = option
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context = self.cfgimpl_get_context()
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return await context.getattr(soption_bag.path,
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soption_bag)
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#if not from_follower or needs_re_verify_follower_properties:
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if option.impl_is_follower() and not from_follower:
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needs_re_verify_follower_properties = await self.cfgimpl_get_settings().has_properties_index(option_bag)
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if not option.impl_is_follower() or \
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(needs_re_verify_follower_properties and option_bag.index is not None) or \
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(not needs_re_verify_follower_properties and (not from_follower or option_bag.index is None)):
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await self.cfgimpl_get_settings().validate_properties(option_bag,
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need_help=need_help)
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if option.impl_is_follower() and not from_follower:
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length = await self.cfgimpl_get_length_leadership(option_bag)
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follower_len = await self.cfgimpl_get_values()._p_.get_max_length(option_bag.config_bag.connection,
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option_bag.path)
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if follower_len > length:
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raise LeadershipError(_('the follower option "{}" has greater length ({}) than the leader '
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'length ({})').format(option.impl_get_display_name(),
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follower_len,
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length,
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option_bag.index))
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if option.impl_is_follower() and option_bag.index is None:
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value = []
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for idx in range(length):
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soption_bag = OptionBag()
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soption_bag.set_option(option,
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idx,
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config_bag)
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try:
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soption_bag.properties = await self.cfgimpl_get_settings().getproperties(soption_bag)
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value.append(await self.getattr(name,
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soption_bag,
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from_follower=True,
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needs_re_verify_follower_properties=needs_re_verify_follower_properties))
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except PropertiesOptionError as err:
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value.append(err)
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else:
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value = await self.cfgimpl_get_values().get_cached_value(option_bag)
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self.cfgimpl_get_settings().validate_mandatory(value,
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option_bag)
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return value
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async def find(self,
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bytype,
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byname,
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byvalue,
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config_bag,
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_subpath=None,
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raise_if_not_found=True,
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only_path=undefined,
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only_option=undefined,
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with_option=False):
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"""
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convenience method for finding an option that lives only in the subtree
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:param first: return only one option if True, a list otherwise
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:return: find list or an exception if nothing has been found
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"""
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async def _filter_by_value(soption_bag):
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try:
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value = await context.getattr(path,
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soption_bag)
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except PropertiesOptionError:
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return False
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if isinstance(value, list):
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return byvalue in value
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else:
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return value == byvalue
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found = False
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if only_path is not undefined:
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async def _fake_iter():
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yield only_option
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options = _fake_iter()
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else:
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options = self.cfgimpl_get_description().get_children_recursively(bytype,
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byname,
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config_bag)
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context = self.cfgimpl_get_context()
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async for option in options:
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option_bag = OptionBag()
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path = option.impl_getpath()
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option_bag.set_option(option,
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None,
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config_bag)
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option_bag.properties = await self.cfgimpl_get_settings().getproperties(option_bag)
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if byvalue is not undefined and not await _filter_by_value(option_bag):
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continue
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elif config_bag.properties:
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#remove option with propertyerror, ...
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try:
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if '.' in path:
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subconfig, subpath = await context.cfgimpl_get_home_by_path(path,
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config_bag)
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else:
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subconfig = self
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subpath = path
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await subconfig.cfgimpl_get_description().get_child(subpath,
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config_bag,
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subconfig.cfgimpl_get_path())
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await self.cfgimpl_get_settings().validate_properties(option_bag)
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except PropertiesOptionError:
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continue
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found = True
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if not with_option:
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yield path
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else:
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yield path, option
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self._find_return_results(found,
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raise_if_not_found)
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def _find_return_results(self,
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found,
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raise_if_not_found):
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if not found and raise_if_not_found:
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raise AttributeError(_("no option found in config"
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" with these criteria"))
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async def make_dict(self,
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config_bag,
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flatten=False,
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fullpath=False,
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leader_to_list=False):
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"""exports the whole config into a `dict`
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:returns: dict of Option's name (or path) and values
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"""
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pathsvalues = {}
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await self._make_dict(config_bag,
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[],
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flatten,
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fullpath,
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pathsvalues,
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leader_to_list)
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return pathsvalues
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async def _make_dict(self,
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config_bag,
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_currpath,
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flatten,
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fullpath,
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pathsvalues,
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leader_to_list):
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for opt in await self.cfgimpl_get_description().get_children(config_bag):
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if leader_to_list and opt.impl_is_optiondescription() and opt.impl_is_leadership():
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# leader
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children = await opt.get_children(config_bag)
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leader = children[0]
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loption_bag = OptionBag()
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loption_bag.set_option(leader,
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None,
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config_bag)
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loption_bag.properties = await self.cfgimpl_get_settings().getproperties(loption_bag)
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leader_pathsvalues = {}
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leader_currpath = _currpath + [leader.impl_getname()]
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await self._make_sub_dict(leader_pathsvalues,
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leader_currpath,
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loption_bag,
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flatten,
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fullpath,
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leader_to_list)
|
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if not leader_pathsvalues:
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continue
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leader_name = list(leader_pathsvalues.keys())[0]
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pathsvalues[leader_name] = []
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subconfig = await SubConfig(opt,
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self._impl_context,
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config_bag,
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opt.impl_getpath())
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for idx, value in enumerate(leader_pathsvalues[leader_name]):
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leadership_pathsvalues = {leader_name: value}
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for follower_opt in children[1:]:
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foption_bag = OptionBag()
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foption_bag.set_option(follower_opt,
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idx,
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config_bag)
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try:
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foption_bag.properties = await self.cfgimpl_get_settings().getproperties(foption_bag)
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await subconfig._make_sub_dict(leadership_pathsvalues,
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leader_currpath,
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foption_bag,
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flatten,
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fullpath,
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leader_to_list)
|
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except PropertiesOptionError as err:
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if err.proptype in (['mandatory'], ['empty']):
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raise err
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continue
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pathsvalues[leader_name].append(leadership_pathsvalues)
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else:
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soption_bag = OptionBag()
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soption_bag.set_option(opt,
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None,
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config_bag)
|
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try:
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soption_bag.properties = await self.cfgimpl_get_settings().getproperties(soption_bag)
|
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await self._make_sub_dict(pathsvalues,
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_currpath,
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soption_bag,
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flatten,
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fullpath,
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leader_to_list)
|
|
except PropertiesOptionError as err:
|
|
if err.proptype in (['mandatory'], ['empty']):
|
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raise err
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continue
|
|
|
|
async def _make_sub_dict(self,
|
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pathsvalues,
|
|
_currpath,
|
|
option_bag,
|
|
flatten,
|
|
fullpath,
|
|
leader_to_list):
|
|
option = option_bag.option
|
|
name = option.impl_getname()
|
|
if option.impl_is_optiondescription():
|
|
await self.cfgimpl_get_settings().validate_properties(option_bag,
|
|
need_help=False)
|
|
subconfig = await SubConfig(option_bag.option,
|
|
self._impl_context,
|
|
option_bag.config_bag,
|
|
option_bag.path)
|
|
await subconfig._make_dict(option_bag.config_bag,
|
|
_currpath + [name],
|
|
flatten,
|
|
fullpath,
|
|
pathsvalues,
|
|
leader_to_list)
|
|
else:
|
|
ret = await self.getattr(name,
|
|
option_bag,
|
|
need_help=False)
|
|
if flatten:
|
|
name_ = option.impl_getname()
|
|
elif fullpath:
|
|
name_ = option.impl_getpath()
|
|
else:
|
|
name_ = '.'.join(_currpath + [name])
|
|
pathsvalues[name_] = ret
|
|
|
|
def cfgimpl_get_path(self,
|
|
dyn=True):
|
|
descr = self.cfgimpl_get_description()
|
|
if not dyn and descr.impl_is_dynoptiondescription():
|
|
return descr.impl_getopt().impl_getpath()
|
|
return self._impl_path
|
|
|
|
|
|
class _CommonConfig(SubConfig):
|
|
"abstract base class for the Config, KernelGroupConfig and the KernelMetaConfig"
|
|
__slots__ = ('_impl_values',
|
|
'_impl_values_cache',
|
|
'_impl_settings',
|
|
'_impl_properties_cache',
|
|
'_impl_permissives_cache',
|
|
'parents',
|
|
'impl_type')
|
|
|
|
async def _impl_build_all_caches(self):
|
|
descr = self.cfgimpl_get_description()
|
|
if not descr.impl_already_build_caches():
|
|
descr._group_type = groups.root
|
|
await descr._build_cache(display_name=self._display_name)
|
|
if not hasattr(descr, '_cache_force_store_values'):
|
|
raise ConfigError(_('option description seems to be part of an other '
|
|
'config'))
|
|
|
|
def get_parents(self):
|
|
for parent in self.parents:
|
|
yield parent()
|
|
|
|
# information
|
|
async def impl_set_information(self,
|
|
config_bag,
|
|
key,
|
|
value,
|
|
):
|
|
"""updates the information's attribute
|
|
|
|
:param key: information's key (ex: "help", "doc"
|
|
:param value: information's value (ex: "the help string")
|
|
"""
|
|
await self._impl_values.set_information(config_bag.connection,
|
|
key,
|
|
value)
|
|
for option in config_bag.context.cfgimpl_get_description()._cache_dependencies_information.get(key, []):
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
None,
|
|
config_bag)
|
|
await config_bag.context.cfgimpl_reset_cache(option_bag)
|
|
|
|
async def impl_get_information(self,
|
|
connection,
|
|
key,
|
|
default=undefined):
|
|
"""retrieves one information's item
|
|
|
|
:param key: the item string (ex: "help")
|
|
"""
|
|
return await self._impl_values.get_information(connection,
|
|
key,
|
|
default)
|
|
|
|
async def impl_del_information(self,
|
|
connection,
|
|
key,
|
|
raises=True):
|
|
await self._impl_values.del_information(connection,
|
|
key,
|
|
raises)
|
|
|
|
async def impl_list_information(self,
|
|
connection):
|
|
return await self._impl_values.list_information(connection)
|
|
|
|
def __getstate__(self):
|
|
raise NotImplementedError()
|
|
|
|
async def _gen_fake_values(self,
|
|
connection):
|
|
fake_config = await KernelConfig(self._impl_descr,
|
|
force_values=await get_default_values_storages(connection),
|
|
force_settings=self.cfgimpl_get_settings(),
|
|
display_name=self._display_name,
|
|
connection=connection)
|
|
export = await self.cfgimpl_get_values()._p_.exportation(connection)
|
|
await fake_config.cfgimpl_get_values()._p_.importation(connection,
|
|
export)
|
|
fake_config.parents = self.parents
|
|
return fake_config
|
|
|
|
async def duplicate(self,
|
|
connection,
|
|
session_id=None,
|
|
force_values=None,
|
|
force_settings=None,
|
|
storage=None,
|
|
metaconfig_prefix=None,
|
|
child=None,
|
|
deep=None):
|
|
assert isinstance(self, (KernelConfig, KernelMixConfig)), _('cannot duplicate {}').format(self.__class__.__name__)
|
|
if isinstance(self, KernelConfig):
|
|
duplicated_config = await KernelConfig(self._impl_descr,
|
|
_duplicate=True,
|
|
session_id=session_id,
|
|
force_values=force_values,
|
|
force_settings=force_settings,
|
|
storage=storage,
|
|
connection=connection,
|
|
display_name=self._display_name)
|
|
else:
|
|
if session_id is None and metaconfig_prefix is not None:
|
|
session_id = metaconfig_prefix + self.impl_getname()
|
|
duplicated_config = await KernelMetaConfig([],
|
|
_duplicate=True,
|
|
optiondescription=self._impl_descr,
|
|
session_id=session_id,
|
|
storage=storage,
|
|
connection=connection,
|
|
display_name=self._display_name)
|
|
duplicated_values = duplicated_config.cfgimpl_get_values()
|
|
duplicated_settings = duplicated_config.cfgimpl_get_settings()
|
|
await duplicated_values._p_.importation(connection,
|
|
await self.cfgimpl_get_values()._p_.exportation(connection))
|
|
await duplicated_values._p_.importation_informations(connection,
|
|
await self.cfgimpl_get_values()._p_.exportation_informations(connection),
|
|
)
|
|
properties = await self.cfgimpl_get_settings()._p_.exportation(connection)
|
|
await duplicated_settings._p_.importation(connection,
|
|
properties)
|
|
await duplicated_settings._pp_.importation(connection,
|
|
await self.cfgimpl_get_settings()._pp_.exportation(connection))
|
|
duplicated_settings.ro_append = self.cfgimpl_get_settings().ro_append
|
|
duplicated_settings.rw_append = self.cfgimpl_get_settings().rw_append
|
|
duplicated_settings.ro_remove = self.cfgimpl_get_settings().ro_remove
|
|
duplicated_settings.rw_remove = self.cfgimpl_get_settings().rw_remove
|
|
duplicated_settings.default_properties = self.cfgimpl_get_settings().default_properties
|
|
await duplicated_config.cfgimpl_reset_cache(None, None)
|
|
if child is not None:
|
|
duplicated_config._impl_children.append(child)
|
|
child.parents.append(weakref.ref(duplicated_config))
|
|
if self.parents:
|
|
if deep is not None:
|
|
for parent in self.parents:
|
|
wparent = parent()
|
|
if wparent not in deep:
|
|
deep.append(wparent)
|
|
duplicated_config = await wparent.duplicate(connection,
|
|
deep=deep,
|
|
storage=storage,
|
|
metaconfig_prefix=metaconfig_prefix,
|
|
child=duplicated_config)
|
|
else:
|
|
duplicated_config.parents = self.parents
|
|
for parent in self.parents:
|
|
parent()._impl_children.append(duplicated_config)
|
|
return duplicated_config
|
|
|
|
def cfgimpl_get_config_path(self):
|
|
path = self._impl_name
|
|
for parent in self.parents:
|
|
wparent = parent()
|
|
if wparent is None:
|
|
raise ConfigError(_('parent of {} not already exists').format(self._impl_name))
|
|
path = parent().cfgimpl_get_config_path() + '.' + path
|
|
return path
|
|
|
|
|
|
# ____________________________________________________________
|
|
@asyncinit
|
|
class KernelConfig(_CommonConfig):
|
|
"main configuration management entry"
|
|
__slots__ = ('__weakref__',
|
|
'_impl_name',
|
|
'_display_name',
|
|
'_impl_symlink',
|
|
'_storage')
|
|
impl_type = 'config'
|
|
|
|
async def __init__(self,
|
|
descr,
|
|
connection,
|
|
session_id=None,
|
|
delete_old_session=False,
|
|
force_values=None,
|
|
force_settings=None,
|
|
display_name=None,
|
|
_duplicate=False,
|
|
storage=None):
|
|
""" Configuration option management class
|
|
|
|
:param descr: describes the configuration schema
|
|
:type descr: an instance of ``option.OptionDescription``
|
|
:param context: the current root config
|
|
:type context: `Config`
|
|
:param session_id: name of the session
|
|
:type session_id: `str`
|
|
"""
|
|
self.parents = []
|
|
self._impl_symlink = []
|
|
self._display_name = display_name
|
|
if isinstance(descr, Leadership):
|
|
raise ConfigError(_('cannot set leadership object has root optiondescription'))
|
|
if isinstance(descr, DynOptionDescription):
|
|
raise ConfigError(_('cannot set dynoptiondescription object has root optiondescription'))
|
|
if force_settings is not None and force_values is not None:
|
|
if isinstance(force_settings, tuple):
|
|
self._impl_settings = Settings(force_settings[0],
|
|
force_settings[1])
|
|
else:
|
|
self._impl_settings = force_settings
|
|
self._impl_permissives_cache = Cache()
|
|
self._impl_properties_cache = Cache()
|
|
self._impl_values = await Values(force_values,
|
|
connection)
|
|
self._impl_values_cache = Cache()
|
|
else:
|
|
storage, properties, permissives, values, session_id = await get_storages(self,
|
|
session_id,
|
|
delete_old_session,
|
|
storage,
|
|
connection)
|
|
if not valid_name(session_id):
|
|
raise ValueError(_("invalid session ID: {0} for config").format(session_id))
|
|
self._impl_settings = Settings(properties,
|
|
permissives)
|
|
self._impl_permissives_cache = Cache()
|
|
self._impl_properties_cache = Cache()
|
|
self._impl_values = await Values(values,
|
|
connection)
|
|
self._impl_values_cache = Cache()
|
|
self._storage = storage
|
|
self._impl_context = weakref.ref(self)
|
|
await super().__init__(descr,
|
|
self._impl_context,
|
|
None,
|
|
None)
|
|
if None in [force_settings, force_values]:
|
|
await self._impl_build_all_caches()
|
|
self._impl_name = session_id
|
|
|
|
def impl_getname(self):
|
|
return self._impl_name
|
|
|
|
def getconnection(self):
|
|
return self.cfgimpl_get_settings()._p_.getconnection()
|
|
|
|
|
|
@asyncinit
|
|
class KernelGroupConfig(_CommonConfig):
|
|
__slots__ = ('__weakref__',
|
|
'_impl_children',
|
|
'_impl_name')
|
|
impl_type = 'group'
|
|
|
|
async def __init__(self,
|
|
children,
|
|
session_id=None,
|
|
_descr=None):
|
|
assert isinstance(children, list), _("groupconfig's children must be a list")
|
|
names = []
|
|
for child in children:
|
|
assert isinstance(child,
|
|
_CommonConfig), _("groupconfig's children must be Config, MetaConfig or GroupConfig")
|
|
name_ = child._impl_name
|
|
names.append(name_)
|
|
if len(names) != len(set(names)):
|
|
for idx in range(1, len(names) + 1):
|
|
name = names.pop(0)
|
|
if name in names:
|
|
raise ConflictError(_('config name must be uniq in '
|
|
'groupconfig for "{0}"').format(name))
|
|
self._impl_children = children
|
|
self.parents = []
|
|
session_id = gen_storage_id(session_id, self)
|
|
assert valid_name(session_id), _("invalid session ID: {0} for config").format(session_id)
|
|
config_bag = ConfigBag(self,
|
|
properties=None,
|
|
permissives=None)
|
|
await super().__init__(_descr,
|
|
weakref.ref(self),
|
|
config_bag,
|
|
None)
|
|
self._impl_name = session_id
|
|
|
|
def cfgimpl_get_children(self):
|
|
return self._impl_children
|
|
|
|
async def cfgimpl_reset_cache(self,
|
|
option_bag,
|
|
resetted_opts=None):
|
|
if resetted_opts is None:
|
|
resetted_opts = []
|
|
if isinstance(self, KernelMixConfig):
|
|
await super().cfgimpl_reset_cache(option_bag,
|
|
resetted_opts=copy(resetted_opts))
|
|
for child in self._impl_children:
|
|
if option_bag is not None:
|
|
coption_bag = option_bag.copy()
|
|
cconfig_bag = coption_bag.config_bag.copy()
|
|
cconfig_bag.context = child
|
|
coption_bag.config_bag = cconfig_bag
|
|
else:
|
|
coption_bag = None
|
|
await child.cfgimpl_reset_cache(coption_bag,
|
|
resetted_opts=copy(resetted_opts))
|
|
|
|
async def set_value(self,
|
|
path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
only_config=False):
|
|
"""Setattr not in current KernelGroupConfig, but in each children
|
|
"""
|
|
ret = []
|
|
for child in self._impl_children:
|
|
cconfig_bag = config_bag.copy()
|
|
cconfig_bag.context = child
|
|
if isinstance(child, KernelGroupConfig):
|
|
ret.extend(await child.set_value(path,
|
|
index,
|
|
value,
|
|
cconfig_bag,
|
|
only_config=only_config))
|
|
else:
|
|
settings = child.cfgimpl_get_settings()
|
|
properties = await settings.get_context_properties(config_bag.connection,
|
|
child._impl_properties_cache)
|
|
permissives = await settings.get_context_permissives(config_bag.connection)
|
|
cconfig_bag.properties = properties
|
|
cconfig_bag.permissives = permissives
|
|
try:
|
|
subconfig, name = await child.cfgimpl_get_home_by_path(path,
|
|
cconfig_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
cconfig_bag,
|
|
child.cfgimpl_get_path())
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
index,
|
|
cconfig_bag)
|
|
option_bag.properties = await settings.getproperties(option_bag)
|
|
await child.setattr(value,
|
|
option_bag)
|
|
except PropertiesOptionError as err:
|
|
ret.append(PropertiesOptionError(err._option_bag,
|
|
err.proptype,
|
|
err._settings,
|
|
err._opt_type,
|
|
err._name,
|
|
err._orig_opt))
|
|
except (ValueError, LeadershipError, AttributeError) as err:
|
|
ret.append(err)
|
|
return ret
|
|
|
|
|
|
async def find_group(self,
|
|
config_bag,
|
|
byname=None,
|
|
bypath=undefined,
|
|
byoption=undefined,
|
|
byvalue=undefined,
|
|
raise_if_not_found=True,
|
|
_sub=False):
|
|
"""Find first not in current KernelGroupConfig, but in each children
|
|
"""
|
|
# if KernelMetaConfig, all children have same OptionDescription in
|
|
# context so search only one time the option for all children
|
|
if bypath is undefined and byname is not None and \
|
|
isinstance(self,
|
|
KernelMixConfig):
|
|
async for bypath, byoption in self.find(bytype=None,
|
|
byvalue=undefined,
|
|
byname=byname,
|
|
config_bag=config_bag,
|
|
raise_if_not_found=raise_if_not_found,
|
|
with_option=True):
|
|
break
|
|
byname = None
|
|
|
|
ret = []
|
|
for child in self._impl_children:
|
|
if isinstance(child, KernelGroupConfig):
|
|
ret.extend(await child.find_group(byname=byname,
|
|
bypath=bypath,
|
|
byoption=byoption,
|
|
byvalue=byvalue,
|
|
config_bag=config_bag,
|
|
raise_if_not_found=False,
|
|
_sub=True))
|
|
else:
|
|
cconfig_bag = config_bag.copy()
|
|
cconfig_bag.context = child
|
|
settings = child.cfgimpl_get_settings()
|
|
properties = await settings.get_context_properties(config_bag.connection,
|
|
child._impl_properties_cache)
|
|
permissives = await settings.get_context_permissives(config_bag.connection)
|
|
cconfig_bag.properties = properties
|
|
cconfig_bag.permissives = permissives
|
|
async for path in child.find(None,
|
|
byname,
|
|
byvalue,
|
|
config_bag=cconfig_bag,
|
|
raise_if_not_found=False,
|
|
only_path=bypath,
|
|
only_option=byoption):
|
|
ret.append(child)
|
|
break
|
|
if not _sub:
|
|
self._find_return_results(ret != [],
|
|
raise_if_not_found)
|
|
return ret
|
|
|
|
def impl_getname(self):
|
|
return self._impl_name
|
|
|
|
async def reset(self,
|
|
connection,
|
|
path):
|
|
for child in self._impl_children:
|
|
settings = child.cfgimpl_get_settings()
|
|
properties = await settings.get_context_properties(connection,
|
|
child._impl_properties_cache)
|
|
permissives = await settings.get_context_permissives(connection)
|
|
config_bag = ConfigBag(child,
|
|
properties=properties,
|
|
permissives=permissives)
|
|
config_bag.connection = connection
|
|
config_bag.remove_validation()
|
|
subconfig, name = await child.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
config_bag,
|
|
subconfig.cfgimpl_get_path())
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
None,
|
|
config_bag)
|
|
option_bag.properties = await child.cfgimpl_get_settings().getproperties(option_bag)
|
|
option_bag.config_bag.context = child
|
|
await child.cfgimpl_get_values().reset(option_bag)
|
|
|
|
def getconfig(self,
|
|
name):
|
|
for child in self._impl_children:
|
|
if name == child.impl_getname():
|
|
return child
|
|
raise ConfigError(_('unknown config "{}"').format(name))
|
|
|
|
def getconnection(self):
|
|
if self.impl_type == 'group':
|
|
# Get the first storage, assume that all children have same storage
|
|
return self._impl_children[0].getconnection()
|
|
return self.cfgimpl_get_settings()._p_.getconnection()
|
|
|
|
|
|
@asyncinit
|
|
class KernelMixConfig(KernelGroupConfig):
|
|
__slots__ = ('_display_name',
|
|
'_impl_symlink',
|
|
'_storage')
|
|
impl_type = 'mix'
|
|
|
|
async def __init__(self,
|
|
optiondescription,
|
|
children,
|
|
connection,
|
|
session_id=None,
|
|
delete_old_session=False,
|
|
storage=None,
|
|
display_name=None,
|
|
_duplicate=False):
|
|
# FIXME _duplicate
|
|
self._display_name = display_name
|
|
self._impl_symlink = []
|
|
for child in children:
|
|
if not isinstance(child, (KernelConfig, KernelMixConfig)):
|
|
raise TypeError(_("child must be a Config, MixConfig or MetaConfig"))
|
|
child.parents.append(weakref.ref(self))
|
|
storage, properties, permissives, values, session_id = await get_storages(self,
|
|
session_id,
|
|
delete_old_session,
|
|
storage,
|
|
connection)
|
|
self._impl_settings = Settings(properties,
|
|
permissives)
|
|
self._impl_permissives_cache = Cache()
|
|
self._impl_properties_cache = Cache()
|
|
self._impl_values = await Values(values,
|
|
connection)
|
|
self._impl_values_cache = Cache()
|
|
self._storage = storage
|
|
await super().__init__(children,
|
|
session_id=session_id,
|
|
_descr=optiondescription)
|
|
await self._impl_build_all_caches()
|
|
|
|
async def set_value(self,
|
|
path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
force_default=False,
|
|
force_dont_change_value=False,
|
|
force_default_if_same=False,
|
|
only_config=False):
|
|
"""only_config: could be set if you want modify value in all Config included in
|
|
this KernelMetaConfig
|
|
"""
|
|
if only_config:
|
|
if force_default or force_default_if_same or force_dont_change_value:
|
|
raise ValueError(_('force_default, force_default_if_same or '
|
|
'force_dont_change_value cannot be set with'
|
|
' only_config'))
|
|
return await super().set_value(path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
only_config=only_config)
|
|
ret = []
|
|
subconfig, name = await self.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
config_bag,
|
|
self.cfgimpl_get_path())
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
index,
|
|
config_bag)
|
|
option_bag.properties = await self.cfgimpl_get_settings().getproperties(option_bag)
|
|
if force_default or force_default_if_same or force_dont_change_value:
|
|
if force_default and force_dont_change_value:
|
|
raise ValueError(_('force_default and force_dont_change_value'
|
|
' cannot be set together'))
|
|
for child in self._impl_children:
|
|
cconfig_bag = config_bag.copy()
|
|
cconfig_bag.context = child
|
|
settings = child.cfgimpl_get_settings()
|
|
properties = await settings.get_context_properties(config_bag.connection,
|
|
child._impl_properties_cache)
|
|
permissives = await settings.get_context_permissives(config_bag.connection)
|
|
cconfig_bag.properties = properties
|
|
cconfig_bag.permissives = permissives
|
|
try:
|
|
subconfig2, name = await child.cfgimpl_get_home_by_path(path,
|
|
cconfig_bag)
|
|
if self.impl_type == 'meta':
|
|
moption_bag = option_bag.copy()
|
|
del moption_bag.properties
|
|
del moption_bag.permissives
|
|
|
|
moption_bag.config_bag = cconfig_bag
|
|
moption_bag.properties = await settings.getproperties(moption_bag)
|
|
else:
|
|
option = await subconfig2.cfgimpl_get_description().get_child(name,
|
|
cconfig_bag,
|
|
child.cfgimpl_get_path())
|
|
moption_bag = OptionBag()
|
|
moption_bag.set_option(option,
|
|
index,
|
|
cconfig_bag)
|
|
moption_bag.properties = await settings.getproperties(moption_bag)
|
|
if force_default_if_same:
|
|
if not await child.cfgimpl_get_values()._p_.hasvalue(config_bag.connection,
|
|
path):
|
|
child_value = undefined
|
|
else:
|
|
child_value = await subconfig2.getattr(name,
|
|
moption_bag)
|
|
if force_default or (force_default_if_same and value == child_value):
|
|
await child.cfgimpl_get_values().reset(moption_bag)
|
|
continue
|
|
if force_dont_change_value:
|
|
child_value = await child.getattr(name,
|
|
moption_bag)
|
|
if value != child_value:
|
|
await subconfig2.setattr(child_value,
|
|
moption_bag)
|
|
except PropertiesOptionError as err:
|
|
ret.append(PropertiesOptionError(err._option_bag,
|
|
err.proptype,
|
|
err._settings,
|
|
err._opt_type,
|
|
err._name,
|
|
err._orig_opt))
|
|
except (ValueError, LeadershipError, AttributeError) as err:
|
|
ret.append(err)
|
|
|
|
try:
|
|
if self.impl_type == 'meta':
|
|
moption_bag = option_bag.copy()
|
|
#del option_bag.properties
|
|
#del option_bag.permissives
|
|
moption_bag.config_bag = config_bag
|
|
moption_bag.properties = await config_bag.context.cfgimpl_get_settings().getproperties(moption_bag)
|
|
else:
|
|
moption_bag = option_bag
|
|
await subconfig.setattr(value,
|
|
moption_bag)
|
|
except (PropertiesOptionError, ValueError, LeadershipError) as err:
|
|
ret.append(err)
|
|
return ret
|
|
|
|
async def reset(self,
|
|
path,
|
|
only_children,
|
|
config_bag):
|
|
rconfig_bag = config_bag.copy()
|
|
rconfig_bag.remove_validation()
|
|
if self.impl_type == 'meta':
|
|
subconfig, name = await self.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
config_bag,
|
|
subconfig.cfgimpl_get_path())
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
None,
|
|
rconfig_bag)
|
|
option_bag.properties = await self.cfgimpl_get_settings().getproperties(option_bag)
|
|
elif not only_children:
|
|
try:
|
|
subconfig, name = await self.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
config_bag,
|
|
subconfig.cfgimpl_get_path())
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
None,
|
|
rconfig_bag)
|
|
option_bag.properties = await self.cfgimpl_get_settings().getproperties(option_bag)
|
|
except AttributeError:
|
|
only_children = True
|
|
for child in self._impl_children:
|
|
rconfig_bag.context = child
|
|
try:
|
|
if self.impl_type == 'meta':
|
|
moption_bag = option_bag
|
|
moption_bag.config_bag = rconfig_bag
|
|
else:
|
|
subconfig, name = await child.cfgimpl_get_home_by_path(path,
|
|
rconfig_bag)
|
|
option = await subconfig.cfgimpl_get_description().get_child(name,
|
|
rconfig_bag,
|
|
child.cfgimpl_get_path())
|
|
moption_bag = OptionBag()
|
|
moption_bag.set_option(option,
|
|
None,
|
|
rconfig_bag)
|
|
moption_bag.properties = await self.cfgimpl_get_settings().getproperties(moption_bag)
|
|
await child.cfgimpl_get_values().reset(moption_bag)
|
|
except AttributeError:
|
|
pass
|
|
if isinstance(child, KernelMixConfig):
|
|
await child.reset(path,
|
|
False,
|
|
rconfig_bag)
|
|
if not only_children:
|
|
option_bag.config_bag = config_bag
|
|
await self.cfgimpl_get_values().reset(option_bag)
|
|
|
|
async def new_config(self,
|
|
connection,
|
|
session_id,
|
|
type_='config',
|
|
storage=None,
|
|
):
|
|
if session_id in [child.impl_getname() for child in self._impl_children]:
|
|
raise ConflictError(_('config name must be uniq in '
|
|
'groupconfig for {0}').format(session_id))
|
|
return await self.load_config(connection,
|
|
session_id,
|
|
type_,
|
|
storage,
|
|
new=True,
|
|
)
|
|
|
|
async def load_config(self,
|
|
connection,
|
|
session_id,
|
|
type_='config',
|
|
storage=None,
|
|
new=False,
|
|
):
|
|
if storage is None:
|
|
storage = self._storage
|
|
if not new:
|
|
if session_id not in await list_sessions(storage=storage):
|
|
raise ConfigError(_('cannot find existing config with session_id to "{}"').format(session_id))
|
|
|
|
assert type_ in ('config', 'metaconfig', 'mixconfig'), _('unknown type {}').format(type_)
|
|
if type_ == 'config':
|
|
config = await KernelConfig(self._impl_descr,
|
|
session_id=session_id,
|
|
storage=storage,
|
|
connection=connection,
|
|
display_name=self._display_name)
|
|
elif type_ == 'metaconfig':
|
|
config = await KernelMetaConfig([],
|
|
optiondescription=self._impl_descr,
|
|
session_id=session_id,
|
|
storage=storage,
|
|
connection=connection,
|
|
display_name=self._display_name)
|
|
elif type_ == 'mixconfig':
|
|
config = await KernelMixConfig(children=[],
|
|
optiondescription=self._impl_descr,
|
|
session_id=session_id,
|
|
storage=storage,
|
|
connection=connection,
|
|
display_name=self._display_name)
|
|
# Copy context properties/permissives
|
|
if new:
|
|
settings = config.cfgimpl_get_settings()
|
|
properties = await self.cfgimpl_get_settings().get_context_properties(connection,
|
|
config._impl_properties_cache)
|
|
await settings.set_context_properties(connection,
|
|
properties,
|
|
config)
|
|
await settings.set_context_permissives(connection,
|
|
await self.cfgimpl_get_settings().get_context_permissives(connection))
|
|
settings.ro_append = self.cfgimpl_get_settings().ro_append
|
|
settings.rw_append = self.cfgimpl_get_settings().rw_append
|
|
settings.ro_remove = self.cfgimpl_get_settings().ro_remove
|
|
settings.rw_remove = self.cfgimpl_get_settings().rw_remove
|
|
settings.default_properties = self.cfgimpl_get_settings().default_properties
|
|
|
|
config.parents.append(weakref.ref(self))
|
|
self._impl_children.append(config)
|
|
return config
|
|
|
|
async def add_config(self,
|
|
apiconfig):
|
|
config = apiconfig._config_bag.context
|
|
if config.impl_getname() in [child.impl_getname() for child in self._impl_children]:
|
|
raise ConflictError(_('config name must be uniq in '
|
|
'groupconfig for {0}').format(config.impl_getname()))
|
|
|
|
config.parents.append(weakref.ref(self))
|
|
self._impl_children.append(config)
|
|
await config.cfgimpl_reset_cache(None, None)
|
|
|
|
async def pop_config(self,
|
|
session_id,
|
|
config):
|
|
if session_id is not None:
|
|
for idx, child in enumerate(self._impl_children):
|
|
if session_id == child.impl_getname():
|
|
await child.cfgimpl_reset_cache(None, None)
|
|
self._impl_children.pop(idx)
|
|
break
|
|
else:
|
|
raise ConfigError(_('cannot find the config {}').format(session_id))
|
|
if config is not None:
|
|
self._impl_children.remove(config)
|
|
child = config
|
|
for index, parent in enumerate(child.parents):
|
|
if parent() == self:
|
|
child.parents.pop(index)
|
|
break
|
|
else:
|
|
raise ConfigError(_('cannot find the config {}').format(self.session_id))
|
|
return child
|
|
|
|
|
|
@asyncinit
|
|
class KernelMetaConfig(KernelMixConfig):
|
|
__slots__ = tuple()
|
|
impl_type = 'meta'
|
|
|
|
async def __init__(self,
|
|
children,
|
|
connection,
|
|
session_id=None,
|
|
delete_old_session=False,
|
|
optiondescription=None,
|
|
storage=None,
|
|
display_name=None,
|
|
_duplicate=False):
|
|
descr = None
|
|
self._display_name = display_name
|
|
if optiondescription is not None:
|
|
if not _duplicate:
|
|
new_children = []
|
|
for child_session_id in children:
|
|
assert isinstance(child_session_id, str), _('MetaConfig with optiondescription'
|
|
' must have string has child, '
|
|
'not {}').format(child_session_id)
|
|
new_children.append(await KernelConfig(optiondescription,
|
|
connection,
|
|
delete_old_session=delete_old_session,
|
|
session_id=child_session_id,
|
|
display_name=self._display_name))
|
|
children = new_children
|
|
descr = optiondescription
|
|
for child in children:
|
|
if __debug__ and not isinstance(child, (KernelConfig,
|
|
KernelMetaConfig)):
|
|
raise TypeError(_("child must be a Config or MetaConfig"))
|
|
if descr is None:
|
|
descr = child.cfgimpl_get_description()
|
|
elif descr is not child.cfgimpl_get_description():
|
|
raise ValueError(_('all config in metaconfig must '
|
|
'have the same optiondescription'))
|
|
await super().__init__(descr,
|
|
children,
|
|
connection,
|
|
delete_old_session=delete_old_session,
|
|
storage=storage,
|
|
session_id=session_id)
|
|
|
|
async def add_config(self,
|
|
apiconfig):
|
|
if self._impl_descr is not apiconfig._config_bag.context.cfgimpl_get_description():
|
|
raise ValueError(_('metaconfig must '
|
|
'have the same optiondescription'))
|
|
await super().add_config(apiconfig)
|