1069 lines
46 KiB
Python
1069 lines
46 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2018 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, SlaveError
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from .option.syndynoptiondescription import SynDynOptionDescription
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from .option.dynoptiondescription import DynOptionDescription
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from .option.masterslave import MasterSlaves
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from .option.baseoption import BaseOption, valid_name
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from .setting import OptionBag, ConfigBag, groups, Settings, undefined
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from .storage import get_storages, get_default_values_storages
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from .value import Values # , Multi
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from .i18n import _
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class SubConfig(object):
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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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def __init__(self,
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descr,
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context,
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config_bag,
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subpath=None,
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fromconsistency=None):
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""" Configuration option management master 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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error = False
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if descr is not None and (not isinstance(descr, (BaseOption, SynDynOptionDescription)) or not descr.impl_is_optiondescription()):
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error = True
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if error:
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try:
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msg = descr.impl_get_displayname()
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except AttributeError:
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msg = descr
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raise TypeError(_('"{0}" must be an optiondescription, not an {1}'
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).format(msg, type(descr)))
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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 \
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descr.impl_get_group_type() == groups.master:
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master = descr.getmaster()
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masterpath = master.impl_getname()
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full_masterpath = self._get_subpath(masterpath)
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cconfig_bag = ConfigBag(config=config_bag.config,
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_setting_properties=config_bag._setting_properties,
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force_permissive=config_bag.force_permissive,
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force_unrestraint=config_bag.force_unrestraint,
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_validate=False)
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moption_bag = OptionBag()
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moption_bag.set_option(master,
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full_masterpath,
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None,
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cconfig_bag)
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if fromconsistency:
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moption_bag.fromconsistency = fromconsistency
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value = self.getattr(masterpath,
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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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def cfgimpl_get_length_slave(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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#soption_bag = OptionBag()
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#soption_bag.set_option(option_bag.option.impl_getopt(),
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# option_bag.option.impl_getopt().impl_getpath(context),
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# None,
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# option_bag.config_bag)
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path = option_bag.option.impl_getopt().impl_getpath(context)
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subconfig, _ = 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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def reset_one_option_cache(self,
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desc,
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values,
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settings,
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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):
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option = woption()
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if option.impl_is_dynoptiondescription():
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for doption in option.get_syndynoptiondescriptions(option_bag):
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doption_path = doption.impl_getpath(self)
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doption_bag = OptionBag()
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doption_bag.set_option(doption,
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doption_path,
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option_bag.index,
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option_bag.config_bag)
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self.reset_one_option_cache(desc,
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values,
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settings,
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resetted_opts,
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doption_bag)
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elif option.issubdyn():
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doption_bag = OptionBag()
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doption_path = option.impl_getpath(self)
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doption_bag.set_option(option,
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doption_path,
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option_bag.index,
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option_bag.config_bag)
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for doption in desc.build_dynoptions(doption_bag):
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doption_path = doption.impl_getpath(self)
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doption_bag = OptionBag()
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doption_bag.set_option(doption,
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doption_path,
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option_bag.index,
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option_bag.config_bag)
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self.reset_one_option_cache(desc,
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values,
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settings,
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resetted_opts,
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doption_bag)
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else:
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option_path = option.impl_getpath(self)
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doption_bag = OptionBag()
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doption_bag.set_option(option,
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option_path,
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option_bag.index,
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option_bag.config_bag)
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self.reset_one_option_cache(desc,
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values,
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settings,
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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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values,
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settings,
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resetted_opts)
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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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values = context.cfgimpl_get_values()
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settings = context.cfgimpl_get_settings()
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if option_bag is not None:
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self.reset_one_option_cache(desc,
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values,
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settings,
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resetted_opts,
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option_bag)
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else:
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values._p_.reset_all_cache()
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settings._p_.reset_all_cache()
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def cfgimpl_get_home_by_path(self,
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path,
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config_bag,
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fromconsistency=None):
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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 = self.cfgimpl_get_description().impl_getchild(step,
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config_bag,
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self)
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subpath = self._get_subpath(step)
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option_bag.set_option(option,
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subpath,
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None,
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config_bag)
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if fromconsistency is not None:
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option_bag.fromconsistency = fromconsistency
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self = self.get_subconfig(step,
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option_bag)
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if not isinstance(self, SubConfig):
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raise AttributeError(_('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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"""context could be None, we need to test it
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context is None only if all reference to `Config` object is deleted
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(for example we delete a `Config` and we manipulate a reference to
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old `SubConfig`, `Values`, `Multi` or `Settings`)
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"""
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context = self._impl_context()
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if context is None: # pragma: no cover
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raise ConfigError(_('the context does not exist anymore'))
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return context
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def cfgimpl_get_description(self):
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if self._impl_descr is None:
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raise ConfigError(_('there is no option description for this config'
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' (may be GroupConfig)'))
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else:
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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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def setattr(self,
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value,
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option_bag,
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_commit=True):
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#self, name = self.cfgimpl_get_home_by_path(option_bag.path,
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# option_bag.config_bag)
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#if config_bag.option is None:
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# config_bag.option = self.cfgimpl_get_description().impl_getchild(name,
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# config_bag,
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# self)
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if option_bag.option.impl_is_symlinkoption():
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raise ConfigError(_("can't assign to a SymLinkOption"))
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else:
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context = self.cfgimpl_get_context()
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if option_bag.config_bag.setting_properties:
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context.cfgimpl_get_settings().validate_properties(option_bag)
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self.cfgimpl_get_description().impl_validate_value(option_bag.option,
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value,
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self)
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return context.cfgimpl_get_values().setvalue(value,
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option_bag,
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_commit)
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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 TypeError(_("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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values.reset_slave(option_bag)
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else:
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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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def get_subconfig(self,
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name,
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option_bag):
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if '.' in name:
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if option_bag.fromconsistency:
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fromconsistency = option_bag.fromconsistency.copy()
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else:
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fromconsistency = None
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self, name = self.cfgimpl_get_home_by_path(name,
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option_bag.config_bag,
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fromconsistency)
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elif option_bag.fromconsistency:
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fromconsistency = option_bag.fromconsistency.copy()
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else:
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fromconsistency = None
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if option_bag.config_bag.setting_properties:
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self.cfgimpl_get_settings().validate_properties(option_bag)
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return 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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fromconsistency)
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def getattr(self,
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name,
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option_bag):
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"""
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attribute notation mechanism for accessing the value of an option
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:param name: attribute name
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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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if option_bag.fromconsistency:
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fromconsistency = option_bag.fromconsistency.copy()
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else:
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fromconsistency = None
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self, name = self.cfgimpl_get_home_by_path(name,
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config_bag,
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fromconsistency)
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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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None,
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option_bag.index,
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config_bag)
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soption_bag.ori_option = option
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context = self.cfgimpl_get_context()
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return context.getattr(soption_bag.path,
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soption_bag)
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if config_bag.setting_properties:
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self.cfgimpl_get_settings().validate_properties(option_bag)
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if option.impl_is_master_slaves('slave'):
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length = self.cfgimpl_get_length_slave(option_bag)
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slave_len = self.cfgimpl_get_values()._p_.get_max_length(option_bag.path)
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if slave_len > length:
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raise SlaveError(_('slave option "{}" has higher length "{}" than the master '
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'length "{}"').format(option.impl_get_display_name(),
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slave_len,
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length,
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option_bag.index))
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if option.impl_is_master_slaves('slave') 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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option_bag.path,
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idx,
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config_bag)
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soption_bag.fromconsistency = option_bag.fromconsistency.copy()
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value.append(self.getattr(name,
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soption_bag))
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else:
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value = self.cfgimpl_get_values().get_cached_value(option_bag)
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if config_bag.validate_properties:
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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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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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"""
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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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def _filter_by_value(soption_bag):
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try:
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value = self.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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options = [(only_path, only_option)]
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else:
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options = self.cfgimpl_get_description().impl_get_options_paths(bytype,
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byname,
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_subpath,
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config_bag)
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for path, option in options:
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option_bag = OptionBag()
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option_bag.set_option(option,
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path,
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None,
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config_bag)
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if byvalue is not undefined and not _filter_by_value(option_bag):
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continue
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elif config_bag.validate_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 = self.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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subconfig.cfgimpl_get_description().impl_getchild(subpath,
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config_bag,
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subconfig)
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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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yield path
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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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def make_dict(self,
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config_bag,
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flatten=False,
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_currpath=None,
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withoption=None,
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withvalue=undefined,
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fullpath=False):
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"""exports the whole config into a `dict`, for example:
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>>> print(cfg.make_dict())
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{'od2.var4': None, 'od2.var5': None, 'od2.var6': None}
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|
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:param flatten: returns a dict(name=value) instead of a dict(path=value)
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::
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>>> print(cfg.make_dict(flatten=True))
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{'var5': None, 'var4': None, 'var6': None}
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:param withoption: returns the options that are present in the very same
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`OptionDescription` than the `withoption` itself::
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>>> print(cfg.make_dict(withoption='var1'))
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{'od2.var4': None, 'od2.var5': None,
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'od2.var6': None,
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'od2.var1': u'value',
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'od1.var1': None,
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'od1.var3': None,
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'od1.var2': None}
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:param withvalue: returns the options that have the value `withvalue`
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::
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>>> print(c.make_dict(withoption='var1',
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withvalue=u'value'))
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{'od2.var4': None,
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'od2.var5': None,
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'od2.var6': None,
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'od2.var1': u'value'}
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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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if _currpath is None:
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_currpath = []
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if withoption is None and withvalue is not undefined:
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raise ValueError(_("make_dict can't filtering with value without "
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"option"))
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context = self.cfgimpl_get_context()
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if withoption is not None:
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mypath = self.cfgimpl_get_path()
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for path in context.find(bytype=None,
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byname=withoption,
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byvalue=withvalue,
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_subpath=self.cfgimpl_get_path(False),
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config_bag=config_bag):
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path = '.'.join(path.split('.')[:-1])
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if '.' in path:
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subconfig, subpath = context.cfgimpl_get_home_by_path(path,
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config_bag)
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else:
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subconfig = context
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subpath = path
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opt = subconfig.cfgimpl_get_description().impl_getchild(subpath,
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config_bag,
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subconfig)
|
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soption_bag = OptionBag()
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soption_bag.set_option(opt,
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path,
|
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None,
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config_bag)
|
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if mypath is not None:
|
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if mypath == path:
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withoption = None
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withvalue = undefined
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break
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else:
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tmypath = mypath + '.'
|
|
if not path.startswith(tmypath): # pragma: no cover
|
|
raise AttributeError(_('unexpected path "{0}", '
|
|
'should start with "{1}"'
|
|
'').format(path, mypath))
|
|
path = path[len(tmypath):]
|
|
self._make_sub_dict(path,
|
|
pathsvalues,
|
|
_currpath,
|
|
flatten,
|
|
soption_bag,
|
|
fullpath=fullpath)
|
|
#withoption can be set to None below !
|
|
if withoption is None:
|
|
for opt in self.cfgimpl_get_description().impl_getchildren(config_bag, context):
|
|
name = opt.impl_getname()
|
|
path = self._get_subpath(name)
|
|
soption_bag = OptionBag()
|
|
soption_bag.set_option(opt,
|
|
path,
|
|
None,
|
|
config_bag)
|
|
#path = self._get_subpath(name)
|
|
self._make_sub_dict(name,
|
|
pathsvalues,
|
|
_currpath,
|
|
flatten,
|
|
soption_bag,
|
|
fullpath=fullpath)
|
|
if _currpath == []:
|
|
options = dict(pathsvalues)
|
|
return options
|
|
return pathsvalues
|
|
|
|
def _make_sub_dict(self,
|
|
name,
|
|
pathsvalues,
|
|
_currpath,
|
|
flatten,
|
|
option_bag,
|
|
fullpath=False):
|
|
try:
|
|
option = option_bag.option
|
|
if not option.impl_is_optiondescription():
|
|
if option.impl_is_master_slaves('slave'):
|
|
ret = []
|
|
length = self.cfgimpl_get_length_slave(option_bag)
|
|
if length:
|
|
for idx in range(length):
|
|
soption_bag = OptionBag()
|
|
soption_bag.set_option(option,
|
|
option_bag.path,
|
|
idx,
|
|
option_bag.config_bag)
|
|
ret.append(self.getattr(name,
|
|
soption_bag))
|
|
elif option_bag.config_bag.setting_properties:
|
|
self.cfgimpl_get_settings().validate_properties(option_bag)
|
|
else:
|
|
ret = self.getattr(name,
|
|
option_bag)
|
|
else:
|
|
ret = self.get_subconfig(name,
|
|
option_bag)
|
|
except PropertiesOptionError:
|
|
pass
|
|
else:
|
|
if option.impl_is_optiondescription():
|
|
pathsvalues += ret.make_dict(option_bag.config_bag,
|
|
flatten=flatten,
|
|
_currpath=_currpath + [name],
|
|
fullpath=fullpath)
|
|
else:
|
|
if flatten:
|
|
name = option.impl_getname()
|
|
elif fullpath:
|
|
name = self._get_subpath(name)
|
|
else:
|
|
name = '.'.join(_currpath + [name])
|
|
pathsvalues.append((name, ret))
|
|
|
|
def cfgimpl_get_path(self,
|
|
dyn=True):
|
|
descr = self.cfgimpl_get_description()
|
|
if not dyn and descr.impl_is_dynoptiondescription():
|
|
context_descr = self.cfgimpl_get_context().cfgimpl_get_description()
|
|
return context_descr.impl_get_path_by_opt(descr.impl_getopt())
|
|
return self._impl_path
|
|
|
|
|
|
class _CommonConfig(SubConfig):
|
|
"abstract base class for the Config, GroupConfig and the MetaConfig"
|
|
__slots__ = ('_impl_values',
|
|
'_impl_settings',
|
|
'_impl_meta')
|
|
|
|
def _impl_build_all_caches(self):
|
|
descr = self.cfgimpl_get_description()
|
|
if not descr.impl_already_build_caches():
|
|
descr._build_cache_option()
|
|
descr._build_cache(self)
|
|
descr.impl_build_force_store_values(self)
|
|
|
|
def cfgimpl_get_path(self, dyn=True):
|
|
return None
|
|
|
|
def cfgimpl_get_meta(self):
|
|
if self._impl_meta is not None:
|
|
return self._impl_meta()
|
|
|
|
# information
|
|
def impl_set_information(self, key, value):
|
|
"""updates the information's attribute
|
|
|
|
:param key: information's key (ex: "help", "doc"
|
|
:param value: information's value (ex: "the help string")
|
|
"""
|
|
self._impl_values.set_information(key, value)
|
|
|
|
def impl_get_information(self, key, default=undefined):
|
|
"""retrieves one information's item
|
|
|
|
:param key: the item string (ex: "help")
|
|
"""
|
|
return self._impl_values.get_information(key, default)
|
|
|
|
def impl_del_information(self, key, raises=True):
|
|
self._impl_values.del_information(key, raises)
|
|
|
|
def __getstate__(self):
|
|
raise NotImplementedError()
|
|
|
|
def _gen_fake_values(self):
|
|
fake_config = Config(self._impl_descr,
|
|
persistent=False,
|
|
force_values=get_default_values_storages(),
|
|
force_settings=self.cfgimpl_get_settings())
|
|
fake_config.cfgimpl_get_values()._p_.importation(self.cfgimpl_get_values()._p_.exportation())
|
|
return fake_config
|
|
|
|
def duplicate(self,
|
|
session_id=None,
|
|
force_values=None,
|
|
force_settings=None,
|
|
storage=None):
|
|
config = Config(self._impl_descr,
|
|
_duplicate=True,
|
|
session_id=session_id,
|
|
force_values=force_values,
|
|
force_settings=force_settings,
|
|
storage=storage)
|
|
config.cfgimpl_get_values()._p_.importation(self.cfgimpl_get_values()._p_.exportation())
|
|
config.cfgimpl_get_settings()._p_.importation(self.cfgimpl_get_settings(
|
|
)._p_.exportation())
|
|
config.cfgimpl_get_settings()._pp_.importation(self.cfgimpl_get_settings(
|
|
)._pp_.exportation())
|
|
return config
|
|
|
|
|
|
# ____________________________________________________________
|
|
class Config(_CommonConfig):
|
|
"main configuration management entry"
|
|
__slots__ = ('__weakref__', '_impl_name')
|
|
|
|
def __init__(self,
|
|
descr,
|
|
session_id=None,
|
|
persistent=False,
|
|
force_values=None,
|
|
force_settings=None,
|
|
_duplicate=False,
|
|
storage=None):
|
|
""" Configuration option management master 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: session ID is import with persistent Config to
|
|
retrieve good session
|
|
:type session_id: `str`
|
|
:param persistent: if persistent, don't delete storage when leaving
|
|
:type persistent: `boolean`
|
|
"""
|
|
self._impl_meta = None
|
|
if isinstance(descr, MasterSlaves):
|
|
raise ConfigError(_('cannot set masterslaves 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(self,
|
|
force_settings[0],
|
|
force_settings[1])
|
|
else:
|
|
self._impl_settings = force_settings
|
|
self._impl_values = Values(self,
|
|
force_values)
|
|
else:
|
|
properties, permissives, values, session_id = get_storages(self,
|
|
session_id,
|
|
persistent,
|
|
storage=storage)
|
|
if not valid_name(session_id):
|
|
raise ValueError(_("invalid session ID: {0} for config").format(session_id))
|
|
self._impl_settings = Settings(self,
|
|
properties,
|
|
permissives)
|
|
self._impl_values = Values(self,
|
|
values)
|
|
super(Config, self).__init__(descr,
|
|
weakref.ref(self),
|
|
ConfigBag(self),
|
|
None)
|
|
if _duplicate is False and (force_settings is None or force_values is None):
|
|
self._impl_build_all_caches()
|
|
self._impl_name = session_id
|
|
|
|
def impl_getname(self):
|
|
return self._impl_name
|
|
|
|
def impl_getsessionid(self):
|
|
return self._impl_values._p_._storage.session_id
|
|
|
|
|
|
class GroupConfig(_CommonConfig):
|
|
__slots__ = ('__weakref__',
|
|
'_impl_children',
|
|
'_impl_name')
|
|
|
|
def __init__(self,
|
|
children,
|
|
session_id=None,
|
|
persistent=False,
|
|
_descr=None,
|
|
storage=None):
|
|
if not isinstance(children, list):
|
|
raise ValueError(_("groupconfig's children must be a list"))
|
|
names = []
|
|
for child in children:
|
|
if not isinstance(child,
|
|
_CommonConfig):
|
|
raise ValueError(_("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
|
|
properties, permissives, values, session_id = get_storages(self,
|
|
session_id,
|
|
persistent,
|
|
storage=storage)
|
|
self._impl_settings = Settings(self,
|
|
properties,
|
|
permissives)
|
|
self._impl_values = Values(self, values)
|
|
self._impl_meta = None
|
|
super(GroupConfig, self).__init__(_descr,
|
|
weakref.ref(self),
|
|
ConfigBag(self),
|
|
None)
|
|
#undocumented option used only in test script
|
|
self._impl_name = session_id
|
|
|
|
def cfgimpl_get_children(self):
|
|
return self._impl_children
|
|
|
|
def cfgimpl_reset_cache(self,
|
|
option_bag,
|
|
resetted_opts=None):
|
|
if resetted_opts is None:
|
|
resetted_opts = []
|
|
if isinstance(self, MetaConfig):
|
|
super(GroupConfig, self).cfgimpl_reset_cache(option_bag,
|
|
resetted_opts=copy(resetted_opts))
|
|
for child in self._impl_children:
|
|
child.cfgimpl_reset_cache(option_bag,
|
|
resetted_opts=copy(resetted_opts))
|
|
|
|
def set_value(self,
|
|
path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
only_config=False,
|
|
_commit=True):
|
|
"""Setattr not in current GroupConfig, but in each children
|
|
"""
|
|
ret = []
|
|
for child in self._impl_children:
|
|
try:
|
|
if isinstance(child, GroupConfig):
|
|
ret.extend(child.set_value(path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
only_config=only_config,
|
|
_commit=False))
|
|
else:
|
|
subconfig, name = child.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = subconfig.cfgimpl_get_description().impl_getchild(name,
|
|
config_bag,
|
|
child)
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
path,
|
|
index,
|
|
config_bag)
|
|
child.setattr(value,
|
|
option_bag,
|
|
_commit=False)
|
|
except PropertiesOptionError as err:
|
|
ret.append(PropertiesOptionError(err._option_bag,
|
|
err.proptype,
|
|
err._settings,
|
|
err._opt_type,
|
|
err._requires,
|
|
err._name,
|
|
err._orig_opt))
|
|
except (ValueError, SlaveError) as err:
|
|
ret.append(err)
|
|
if _commit:
|
|
self.cfgimpl_get_values()._p_.commit()
|
|
return ret
|
|
|
|
|
|
def find_firsts(self,
|
|
config_bag,
|
|
byname=None,
|
|
bypath=undefined,
|
|
byoption=undefined,
|
|
byvalue=undefined,
|
|
raise_if_not_found=True,
|
|
_sub=False):
|
|
"""Find first not in current GroupConfig, but in each children
|
|
"""
|
|
#if MetaConfig, 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,
|
|
MetaConfig):
|
|
bypath = next(self.find(bytype=None,
|
|
byvalue=undefined,
|
|
byname=byname,
|
|
config_bag=config_bag,
|
|
raise_if_not_found=raise_if_not_found))
|
|
byname = None
|
|
byoption = self.cfgimpl_get_description().impl_get_opt_by_path(bypath)
|
|
|
|
ret = []
|
|
for child in self._impl_children:
|
|
if isinstance(child, GroupConfig):
|
|
ret.extend(child.find_firsts(byname=byname,
|
|
bypath=bypath,
|
|
byoption=byoption,
|
|
byvalue=byvalue,
|
|
config_bag=config_bag,
|
|
raise_if_not_found=False,
|
|
_sub=True))
|
|
else:
|
|
try:
|
|
next(child.find(None,
|
|
byname,
|
|
byvalue,
|
|
config_bag=config_bag,
|
|
raise_if_not_found=False,
|
|
only_path=bypath,
|
|
only_option=byoption))
|
|
ret.append(child)
|
|
except StopIteration:
|
|
pass
|
|
if _sub:
|
|
return ret
|
|
else:
|
|
self._find_return_results(ret != [],
|
|
raise_if_not_found)
|
|
return GroupConfig(ret)
|
|
|
|
def impl_getname(self):
|
|
return self._impl_name
|
|
|
|
def getconfig(self,
|
|
name):
|
|
for child in self._impl_children:
|
|
if name == child.impl_getname():
|
|
return child
|
|
raise ConfigError(_('unknown config "{}"').format(name))
|
|
|
|
|
|
class MetaConfig(GroupConfig):
|
|
__slots__ = tuple()
|
|
|
|
def __init__(self,
|
|
children,
|
|
session_id=None,
|
|
persistent=False,
|
|
optiondescription=None):
|
|
descr = None
|
|
if optiondescription is not None:
|
|
new_children = []
|
|
for child_session_id in children:
|
|
new_children.append(Config(optiondescription,
|
|
persistent=persistent,
|
|
session_id=child_session_id))
|
|
children = new_children
|
|
for child in children:
|
|
if not isinstance(child, _CommonConfig):
|
|
raise TypeError(_("metaconfig's children "
|
|
"should be config, not {0}"
|
|
).format(type(child)))
|
|
if child.cfgimpl_get_meta() is not None:
|
|
raise ValueError(_("child has already a metaconfig's"))
|
|
if descr is None:
|
|
descr = child.cfgimpl_get_description()
|
|
elif not descr is child.cfgimpl_get_description():
|
|
raise ValueError(_('all config in metaconfig must '
|
|
'have the same optiondescription'))
|
|
child._impl_meta = weakref.ref(self)
|
|
|
|
super(MetaConfig, self).__init__(children,
|
|
session_id,
|
|
persistent,
|
|
descr)
|
|
|
|
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,
|
|
_commit=True):
|
|
"""only_config: could be set if you want modify value in all Config included in
|
|
this MetaConfig
|
|
"""
|
|
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 super(MetaConfig, self).set_value(path,
|
|
index,
|
|
value,
|
|
config_bag,
|
|
only_config=only_config,
|
|
_commit=_commit)
|
|
ret = []
|
|
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'))
|
|
opt = self.cfgimpl_get_description().impl_get_opt_by_path(path)
|
|
for child in self._impl_children:
|
|
subconfig, name = child.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = subconfig.cfgimpl_get_description().impl_getchild(name,
|
|
config_bag,
|
|
child)
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
path,
|
|
index,
|
|
config_bag)
|
|
if force_default_if_same:
|
|
if not child.cfgimpl_get_values()._p_.hasvalue(path):
|
|
child_value = undefined
|
|
else:
|
|
child_value = child.getattr(name,
|
|
option_bag)
|
|
if force_default or (force_default_if_same and value == child_value):
|
|
child.cfgimpl_get_values().reset(option_bag,
|
|
_commit=False)
|
|
continue
|
|
if force_dont_change_value:
|
|
try:
|
|
child_value = child.getattr(name,
|
|
option_bag)
|
|
if value != child_value:
|
|
child.setattr(child_value,
|
|
option_bag,
|
|
_commit=False)
|
|
except (PropertiesOptionError, ValueError, SlaveError) as err:
|
|
ret.append(err)
|
|
|
|
try:
|
|
subconfig, name = self.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = subconfig.cfgimpl_get_description().impl_getchild(name,
|
|
config_bag,
|
|
self)
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
path,
|
|
index,
|
|
config_bag)
|
|
self.setattr(value,
|
|
option_bag,
|
|
_commit=False)
|
|
except (PropertiesOptionError, ValueError, SlaveError) as err:
|
|
ret.append(err)
|
|
return ret
|
|
|
|
def reset(self,
|
|
path,
|
|
config_bag):
|
|
rconfig_bag = ConfigBag(config=config_bag.config,
|
|
_setting_properties=config_bag._setting_properties,
|
|
force_permissive=config_bag.force_permissive,
|
|
force_unrestraint=config_bag.force_unrestraint,
|
|
_validate=False)
|
|
subconfig, name = self.cfgimpl_get_home_by_path(path,
|
|
config_bag)
|
|
option = subconfig.cfgimpl_get_description().impl_getchild(name,
|
|
config_bag,
|
|
self)
|
|
option_bag = OptionBag()
|
|
option_bag.set_option(option,
|
|
path,
|
|
option,
|
|
rconfig_bag)
|
|
for child in self._impl_children:
|
|
child.cfgimpl_get_values().reset(option_bag,
|
|
_commit=False)
|
|
self.cfgimpl_get_values().reset(option_bag)
|
|
|
|
def new_config(self,
|
|
session_id,
|
|
persistent=False):
|
|
config = Config(self._impl_descr,
|
|
session_id=session_id,
|
|
persistent=persistent)
|
|
|
|
if config._impl_name in [child._impl_name for child in self._impl_children]: # pragma: no cover
|
|
raise ConflictError(_('config name must be uniq in '
|
|
'groupconfig for {0}').format(config._impl_name))
|
|
config._impl_meta = weakref.ref(self)
|
|
self._impl_children.append(config)
|
|
return config
|