898 lines
41 KiB
Python
898 lines
41 KiB
Python
# -*- coding: utf-8 -*-
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"takes care of the option's values and multi values"
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# Copyright (C) 2013-2014 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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from time import time
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import sys
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import weakref
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from .error import ConfigError, SlaveError, PropertiesOptionError
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from .setting import owners, expires_time, undefined
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from .autolib import carry_out_calculation
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from .i18n import _
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from .option import SymLinkOption, DynSymLinkOption, Option
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class Values(object):
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"""The `Config`'s root is indeed in charge of the `Option()`'s values,
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but the values are physicaly located here, in `Values`, wich is also
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responsible of a caching utility.
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"""
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__slots__ = ('context', '_p_', '__weakref__')
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def __init__(self, context, storage):
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"""
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Initializes the values's dict.
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:param context: the context is the home config's values
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"""
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self.context = weakref.ref(context)
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# the storage type is dictionary or sqlite3
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self._p_ = storage
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def _getcontext(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.context()
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if context is None: # pragma: optional cover
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raise ConfigError(_('the context does not exist anymore'))
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return context
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def _get_multi(self, opt, path):
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return Multi([], self.context, opt, path)
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def _getdefaultvalue(self, opt, path, with_meta, index, submulti_index):
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# if value has callback and is not set
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if opt.impl_has_callback():
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callback, callback_params = opt.impl_get_callback()
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value = carry_out_calculation(opt, context=self._getcontext(),
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callback=callback,
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callback_params=callback_params,
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index=index)
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if isinstance(value, list) and index is not None:
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#if return a list and index is set, return value only if
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#it's a submulti without submulti_index and without list of list
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if opt.impl_is_submulti() and submulti_index is undefined and \
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(len(value) == 0 or not isinstance(value[0], list)):
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return value
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else:
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return value
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if with_meta:
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meta = self._getcontext().cfgimpl_get_meta()
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if meta is not None:
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try:
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value = meta.cfgimpl_get_values(
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)._get_cached_value(opt, path, index=index, from_masterslave=True)
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if isinstance(value, Multi):
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if index is not None:
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value = value[index]
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else:
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value = list(value)
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return value
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except PropertiesOptionError:
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pass
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# now try to get default value
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value = opt.impl_getdefault()
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if opt.impl_is_multi() and index is not None:
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if value == []:
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value = opt.impl_getdefault_multi()
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else:
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try:
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value = value[index]
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except IndexError:
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value = opt.impl_getdefault_multi()
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return value
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def _getvalue(self, opt, path, is_default, self_properties,
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index=undefined, submulti_index=undefined, with_meta=True,
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masterlen=undefined):
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"""actually retrieves the value
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:param opt: the `option.Option()` object
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:returns: the option's value (or the default value if not set)
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"""
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force_default = 'frozen' in self_properties and \
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'force_default_on_freeze' in self_properties
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# not default value
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if not is_default and not force_default:
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if opt.impl_is_master_slaves('slave'):
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return self._p_.getvalue(path, index)
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else:
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value = self._p_.getvalue(path)
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if index is not None:
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try:
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return value[index]
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except IndexError:
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#value is smaller than expected
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#so return default value
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pass
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else:
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return value
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return self._getdefaultvalue(opt, path, with_meta, index, submulti_index)
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def get_modified_values(self):
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context = self._getcontext()
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if context._impl_descr is not None:
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for opt, path in context.cfgimpl_get_description(
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)._get_force_store_value():
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self._getowner(opt, path, force_permissive=True)
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return self._p_.get_modified_values()
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def __contains__(self, opt):
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"""
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implements the 'in' keyword syntax in order provide a pythonic way
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to kow if an option have a value
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:param opt: the `option.Option()` object
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"""
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path = opt.impl_getpath(self._getcontext())
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return self._contains(path)
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def _contains(self, path):
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return self._p_.hasvalue(path)
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def __delitem__(self, opt):
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"""overrides the builtins `del()` instructions"""
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self.reset(opt)
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def reset(self, opt, path=None, validate=True, _setting_properties=None):
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context = self._getcontext()
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setting = context.cfgimpl_get_settings()
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if path is None:
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path = opt.impl_getpath(context)
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if _setting_properties is None:
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_setting_properties = setting._getproperties(read_write=False)
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hasvalue = self._contains(path)
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if validate and hasvalue and 'validator' in _setting_properties:
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fake_context = context._gen_fake_values()
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fake_value = fake_context.cfgimpl_get_values()
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fake_value.reset(opt, path, validate=False)
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fake_value._get_cached_value(opt, path,
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setting_properties=_setting_properties,
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check_frozen=True)
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if opt.impl_is_master_slaves('master'):
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opt.impl_get_master_slaves().reset(opt, self, _setting_properties)
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if hasvalue:
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self._p_.resetvalue(path)
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context.cfgimpl_reset_cache()
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def _isempty(self, opt, value, force_allow_empty_list=False, index=None):
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"convenience method to know if an option is empty"
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if value is undefined:
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return False
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else:
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empty = opt._empty
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if index in [None, undefined] and opt.impl_is_multi():
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if force_allow_empty_list:
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allow_empty_list = True
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else:
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allow_empty_list = opt.impl_allow_empty_list()
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if allow_empty_list is undefined:
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if opt.impl_is_master_slaves('slave'):
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allow_empty_list = True
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else:
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allow_empty_list = False
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isempty = (not allow_empty_list and value == []) or \
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None in value or empty in value
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else:
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isempty = value is None or value == empty
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return isempty
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def __getitem__(self, opt):
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"enables us to use the pythonic dictionary-like access to values"
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return self.getitem(opt)
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def getitem(self, opt, validate=True, force_permissive=False):
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"""
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"""
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return self._get_cached_value(opt, validate=validate,
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force_permissive=force_permissive)
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def _get_cached_value(self, opt, path=None, validate=True,
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force_permissive=False, trusted_cached_properties=True,
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validate_properties=True,
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setting_properties=undefined, self_properties=undefined,
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index=None, from_masterslave=False, with_meta=True,
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masterlen=undefined, check_frozen=False):
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context = self._getcontext()
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settings = context.cfgimpl_get_settings()
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if path is None:
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path = opt.impl_getpath(context)
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ntime = None
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if setting_properties is undefined:
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setting_properties = settings._getproperties(read_write=False)
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if self_properties is undefined:
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self_properties = settings._getproperties(opt, path,
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read_write=False,
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setting_properties=setting_properties,
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index=index)
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if 'cache' in setting_properties and self._p_.hascache(path, index):
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if 'expire' in setting_properties:
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ntime = int(time())
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is_cached, value = self._p_.getcache(path, ntime, index)
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if is_cached:
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if opt.impl_is_multi() and not isinstance(value, Multi) and index is None:
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value = Multi(value, self.context, opt, path)
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if not trusted_cached_properties:
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# revalidate properties (because of not default properties)
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settings.validate_properties(opt, False, False, value=value,
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path=path,
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force_permissive=force_permissive,
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setting_properties=setting_properties,
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self_properties=self_properties,
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index=index)
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return value
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if not from_masterslave and opt.impl_is_master_slaves():
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val = opt.impl_get_master_slaves().getitem(self, opt, path,
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validate,
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force_permissive,
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trusted_cached_properties,
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validate_properties,
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setting_properties=setting_properties,
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index=index,
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self_properties=self_properties)
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else:
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val = self._get_validated_value(opt, path, validate,
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force_permissive,
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validate_properties,
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setting_properties=setting_properties,
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self_properties=self_properties,
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with_meta=with_meta,
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masterlen=masterlen,
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index=index,
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check_frozen=check_frozen)
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# cache doesn't work with SubMulti yet
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if not isinstance(val, SubMulti) and 'cache' in setting_properties and \
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validate and validate_properties and force_permissive is False \
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and trusted_cached_properties is True:
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if 'expire' in setting_properties:
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if ntime is None:
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ntime = int(time())
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ntime = ntime + expires_time
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self._p_.setcache(path, val, ntime, index)
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return val
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def _get_validated_value(self, opt, path, validate, force_permissive,
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validate_properties,
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index=None, submulti_index=undefined,
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with_meta=True, setting_properties=undefined,
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self_properties=undefined, masterlen=undefined,
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check_frozen=False):
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"""same has getitem but don't touch the cache
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index is None for slave value, if value returned is not a list, just return []
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"""
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context = self._getcontext()
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setting = context.cfgimpl_get_settings()
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if setting_properties is undefined:
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setting_properties = setting._getproperties(read_write=False)
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if self_properties is undefined:
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self_properties = setting._getproperties(opt, path, read_write=False, index=index)
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is_default = self._is_default_owner(opt, path,
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validate_properties=False,
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validate_meta=False,
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self_properties=self_properties,
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index=index)
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try:
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value = self._getvalue(opt, path, is_default, self_properties,
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index=index, submulti_index=submulti_index,
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with_meta=with_meta,
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masterlen=masterlen)
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config_error = None
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except ConfigError as err:
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# For calculating properties, we need value (ie for mandatory
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# value).
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# If value is calculating with a PropertiesOptionError's option
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# _getvalue raise a ConfigError.
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# We can not raise ConfigError if this option should raise
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# PropertiesOptionError too. So we get config_error and raise
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# ConfigError if properties did not raise.
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# cannot assign config_err directly in python 3.3
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config_error = err
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# value is not set, for 'undefined' (cannot set None because of
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# mandatory property)
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value = undefined
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else:
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if index is undefined:
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force_index = None
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else:
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force_index = index
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if opt.impl_is_multi():
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if force_index is None:
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value = Multi(value, self.context, opt, path)
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elif opt.impl_is_submulti() and submulti_index is undefined:
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value = SubMulti(value, self.context, opt, path,
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force_index)
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if validate:
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if submulti_index is undefined:
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force_submulti_index = None
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else:
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force_submulti_index = submulti_index
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try:
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opt.impl_validate(value, context,
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'validator' in setting_properties,
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force_index=force_index,
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force_submulti_index=force_submulti_index)
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except ValueError, err:
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config_error = err
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value = None
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if is_default and 'force_store_value' in self_properties:
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if isinstance(value, Multi):
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item = list(value)
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else:
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item = value
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self.setitem(opt, item, path, check_frozen=False,
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force_permissive=force_permissive)
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if validate_properties:
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if config_error is not None:
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# should not raise PropertiesOptionError if option is
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# mandatory
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val_props = undefined
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else:
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val_props = value
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setting.validate_properties(opt, False, check_frozen, value=val_props,
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path=path,
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force_permissive=force_permissive,
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setting_properties=setting_properties,
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self_properties=self_properties,
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index=index)
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if config_error is not None:
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raise config_error
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return value
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def __setitem__(self, opt, value): # pragma: optional cover
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raise ConfigError(_('you should only set value with config'))
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def setitem(self, opt, value, path, force_permissive=False,
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check_frozen=True):
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# check_frozen is, for example, used with "force_store_value"
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# user didn't change value, so not write
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# valid opt
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context = self._getcontext()
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setting_properties = context.cfgimpl_get_settings()._getproperties(read_write=False)
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if 'validator' in setting_properties:
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fake_context = context._gen_fake_values()
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fake_context.cfgimpl_get_values()._setitem(opt, value, path,
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force_permissive,
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check_frozen,
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setting_properties)
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opt.impl_validate(value, fake_context)
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self._setitem(opt, value, path, force_permissive, check_frozen,
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setting_properties, validate_properties=False)
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def _setitem(self, opt, value, path, force_permissive, check_frozen,
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setting_properties, validate_properties=True):
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if opt.impl_is_master_slaves():
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opt.impl_get_master_slaves().setitem(self, opt, value, path)
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self._setvalue(opt, path, value, force_permissive=force_permissive,
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check_frozen=check_frozen,
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setting_properties=setting_properties,
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validate_properties=validate_properties)
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def _setvalue(self, opt, path, value, force_permissive=False,
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check_frozen=True, validate_properties=True,
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setting_properties=undefined, index=None):
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context = self._getcontext()
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context.cfgimpl_reset_cache()
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if isinstance(value, Multi):
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value = list(value)
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if opt.impl_is_submulti():
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for idx, val in enumerate(value):
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if isinstance(val, SubMulti):
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value[idx] = list(val)
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owner = context.cfgimpl_get_settings().getowner()
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if opt.impl_is_master_slaves('slave') and index is None:
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try:
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self._p_.resetvalue(path)
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except ValueError:
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pass
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for idx, val in enumerate(value):
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self._p_.setvalue(path, val, owner, idx)
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else:
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self._p_.setvalue(path, value, owner, index)
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if validate_properties:
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setting = context.cfgimpl_get_settings()
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setting.validate_properties(opt, False, check_frozen,
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value=value, path=path,
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force_permissive=force_permissive,
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setting_properties=setting_properties)
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def _is_meta(self, opt, path):
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context = self._getcontext()
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setting = context.cfgimpl_get_settings()
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self_properties = setting._getproperties(opt, path, read_write=False)
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if 'frozen' in self_properties and 'force_default_on_freeze' in self_properties:
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return False
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if self._p_.getowner(path, owners.default, only_default=True) is not owners.default:
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return False
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if context.cfgimpl_get_meta() is not None:
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return True
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return False
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def getowner(self, opt, index=None, force_permissive=False):
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"""
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retrieves the option's owner
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:param opt: the `option.Option` object
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:param force_permissive: behaves as if the permissive property
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was present
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:returns: a `setting.owners.Owner` object
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"""
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if isinstance(opt, SymLinkOption) and \
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not isinstance(opt, DynSymLinkOption):
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opt = opt._impl_getopt()
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path = opt.impl_getpath(self._getcontext())
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return self._getowner(opt, path, index=index, force_permissive=force_permissive)
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def _getowner(self, opt, path, validate_properties=True,
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force_permissive=False, validate_meta=undefined,
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self_properties=undefined, only_default=False,
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index=None):
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"""get owner of an option
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"""
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if not isinstance(opt, Option) and not isinstance(opt,
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DynSymLinkOption):
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raise ConfigError(_('owner only avalaible for an option'))
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context = self._getcontext()
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if self_properties is undefined:
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self_properties = context.cfgimpl_get_settings()._getproperties(
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opt, path, read_write=False)
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if 'frozen' in self_properties and 'force_default_on_freeze' in self_properties:
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return owners.default
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if validate_properties:
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self._get_cached_value(opt, path, True, force_permissive, None, True,
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self_properties=self_properties)
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owner = self._p_.getowner(path, owners.default, only_default=only_default, index=index)
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if validate_meta is undefined:
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if opt.impl_is_master_slaves('slave'):
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master = opt.impl_get_master_slaves().getmaster(opt)
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masterp = master.impl_getpath(context)
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validate_meta = self._is_meta(opt, masterp)
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else:
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validate_meta = True
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if validate_meta:
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meta = context.cfgimpl_get_meta()
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if owner is owners.default and meta is not None:
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owner = meta.cfgimpl_get_values()._getowner(opt, path,
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validate_properties=validate_properties,
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force_permissive=force_permissive,
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self_properties=self_properties,
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only_default=only_default, index=index)
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return owner
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def setowner(self, opt, owner):
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"""
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sets a owner to an option
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:param opt: the `option.Option` object
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:param owner: a valid owner, that is a `setting.owners.Owner` object
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"""
|
|
if not isinstance(owner, owners.Owner): # pragma: optional cover
|
|
raise TypeError(_("invalid generic owner {0}").format(str(owner)))
|
|
|
|
path = opt.impl_getpath(self._getcontext())
|
|
if not self._p_.hasvalue(path): # pragma: optional cover
|
|
raise ConfigError(_('no value for {0} cannot change owner to {1}'
|
|
'').format(path, owner))
|
|
self._getcontext().cfgimpl_get_settings().validate_properties(opt,
|
|
False,
|
|
True,
|
|
path)
|
|
|
|
self._p_.setowner(path, owner)
|
|
|
|
def is_default_owner(self, opt, validate_properties=True,
|
|
validate_meta=True, index=None):
|
|
"""
|
|
:param config: *must* be only the **parent** config
|
|
(not the toplevel config)
|
|
:return: boolean
|
|
"""
|
|
path = opt.impl_getpath(self._getcontext())
|
|
return self._is_default_owner(opt, path,
|
|
validate_properties=validate_properties,
|
|
validate_meta=validate_meta, index=index)
|
|
|
|
def _is_default_owner(self, opt, path, validate_properties=True,
|
|
validate_meta=True, self_properties=undefined,
|
|
index=None):
|
|
if not opt.impl_is_master_slaves('slave'):
|
|
index = None
|
|
d = self._getowner(opt, path, validate_properties,
|
|
validate_meta=validate_meta,
|
|
self_properties=self_properties, only_default=True,
|
|
index=index)
|
|
return d == owners.default
|
|
|
|
def reset_cache(self, only_expired):
|
|
"""
|
|
clears the cache if necessary
|
|
"""
|
|
if only_expired:
|
|
self._p_.reset_expired_cache(int(time()))
|
|
else:
|
|
self._p_.reset_all_cache()
|
|
|
|
# information
|
|
def 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._p_.set_information(key, value)
|
|
|
|
def get_information(self, key, default=undefined):
|
|
"""retrieves one information's item
|
|
|
|
:param key: the item string (ex: "help")
|
|
"""
|
|
try:
|
|
return self._p_.get_information(key)
|
|
except ValueError: # pragma: optional cover
|
|
if default is not undefined:
|
|
return default
|
|
else:
|
|
raise ValueError(_("information's item"
|
|
" not found: {0}").format(key))
|
|
|
|
def mandatory_warnings(self, force_permissive=False, validate=True):
|
|
"""convenience function to trace Options that are mandatory and
|
|
where no value has been set
|
|
|
|
:param force_permissive: do raise with permissives properties
|
|
:type force_permissive: `bool`
|
|
:param validate: validate value when calculating properties
|
|
:type validate: `bool`
|
|
|
|
:returns: generator of mandatory Option's path
|
|
"""
|
|
context = self._getcontext()
|
|
settings = context.cfgimpl_get_settings()
|
|
setting_properties = context.cfgimpl_get_settings()._getproperties()
|
|
setting_properties.add('mandatory')
|
|
|
|
def _mandatory_warnings(description, currpath=None):
|
|
if currpath is None:
|
|
currpath = []
|
|
for opt in description._impl_getchildren(context=context):
|
|
name = opt.impl_getname()
|
|
path = '.'.join(currpath + [name])
|
|
|
|
if opt.impl_is_optiondescription():
|
|
try:
|
|
settings.validate_properties(opt, True, False, path=path,
|
|
force_permissive=force_permissive,
|
|
setting_properties=setting_properties)
|
|
except PropertiesOptionError as err:
|
|
pass
|
|
else:
|
|
for path in _mandatory_warnings(opt, currpath + [name]):
|
|
yield path
|
|
else:
|
|
if isinstance(opt, SymLinkOption) and \
|
|
not isinstance(opt, DynSymLinkOption):
|
|
true_opt = opt._impl_getopt()
|
|
true_path = descr.impl_get_path_by_opt(true_opt)
|
|
else:
|
|
true_opt = opt
|
|
true_path = path
|
|
#FIXME attention c'est réutilisé donc jamais complet ??
|
|
self_properties = settings._getproperties(true_opt, true_path,
|
|
read_write=False,
|
|
setting_properties=setting_properties)
|
|
if 'mandatory' in self_properties:
|
|
try:
|
|
self._get_cached_value(true_opt, path=true_path,
|
|
trusted_cached_properties=False,
|
|
force_permissive=force_permissive,
|
|
setting_properties=setting_properties,
|
|
self_properties=self_properties,
|
|
validate=validate)
|
|
except PropertiesOptionError as err:
|
|
if err.proptype == ['mandatory']:
|
|
yield path
|
|
except ConfigError as err:
|
|
if validate:
|
|
raise err
|
|
else:
|
|
#assume that uncalculated value is an empty value
|
|
yield path
|
|
|
|
descr = self._getcontext().cfgimpl_get_description()
|
|
for path in _mandatory_warnings(descr):
|
|
yield path
|
|
|
|
def force_cache(self):
|
|
"""parse all option to force data in cache
|
|
"""
|
|
context = self.context()
|
|
if not 'cache' in context.cfgimpl_get_settings():
|
|
raise ConfigError(_('can force cache only if cache '
|
|
'is actived in config'))
|
|
#remove all cached properties and value to update "expired" time
|
|
context.cfgimpl_reset_cache()
|
|
for path in context.cfgimpl_get_description().impl_getpaths(
|
|
include_groups=True):
|
|
try:
|
|
context.getattr(path)
|
|
except PropertiesOptionError:
|
|
pass
|
|
|
|
def __getstate__(self):
|
|
return {'_p_': self._p_}
|
|
|
|
def _impl_setstate(self, storage):
|
|
self._p_._storage = storage
|
|
|
|
def __setstate__(self, states):
|
|
self._p_ = states['_p_']
|
|
|
|
|
|
# ____________________________________________________________
|
|
# multi types
|
|
class Multi(list):
|
|
"""multi options values container
|
|
that support item notation for the values of multi options"""
|
|
__slots__ = ('opt', 'path', 'context', '__weakref__')
|
|
|
|
def __init__(self, value, context, opt, path):
|
|
"""
|
|
:param value: the Multi wraps a list value
|
|
:param context: the home config that has the values
|
|
:param opt: the option object that have this Multi value
|
|
:param path: path of the option
|
|
"""
|
|
if value is None:
|
|
value = []
|
|
if not opt.impl_is_submulti() and isinstance(value, Multi): # pragma: optional cover
|
|
raise ValueError(_('{0} is already a Multi ').format(
|
|
opt.impl_getname()))
|
|
self.opt = opt
|
|
self.path = path
|
|
if not isinstance(context, weakref.ReferenceType): # pragma: optional cover
|
|
raise ValueError('context must be a Weakref')
|
|
self.context = context
|
|
if not isinstance(value, list):
|
|
if not '_index' in self.__slots__ and opt.impl_is_submulti():
|
|
value = [[value]]
|
|
else:
|
|
value = [value]
|
|
elif value != [] and not '_index' in self.__slots__ and \
|
|
opt.impl_is_submulti() and not isinstance(value[0], list):
|
|
value = [value]
|
|
super(Multi, self).__init__(value)
|
|
if opt.impl_is_submulti():
|
|
if not '_index' in self.__slots__:
|
|
for idx, val in enumerate(self):
|
|
if not isinstance(val, SubMulti):
|
|
super(Multi, self).__setitem__(idx, SubMulti(val,
|
|
context,
|
|
opt, path,
|
|
idx))
|
|
self[idx].submulti = weakref.ref(self)
|
|
|
|
def _getcontext(self):
|
|
"""context could be None, we need to test it
|
|
context is None only if all reference to `Config` object is deleted
|
|
(for example we delete a `Config` and we manipulate a reference to
|
|
old `SubConfig`, `Values`, `Multi` or `Settings`)
|
|
"""
|
|
context = self.context()
|
|
if context is None: # pragma: optional cover
|
|
raise ConfigError(_('the context does not exist anymore'))
|
|
return context
|
|
|
|
def __setitem__(self, index, value):
|
|
self._setitem(index, value)
|
|
|
|
def _setitem(self, index, value, validate=True):
|
|
context = self._getcontext()
|
|
setting = context.cfgimpl_get_settings()
|
|
setting_properties = setting._getproperties(read_write=False)
|
|
if 'validator' in setting_properties and validate:
|
|
fake_context = context._gen_fake_values()
|
|
fake_multi = fake_context.cfgimpl_get_values()._get_cached_value(
|
|
self.opt, path=self.path, validate=False)
|
|
fake_multi._setitem(index, value, validate=False)
|
|
self._validate(value, fake_context, index, True)
|
|
#assume not checking mandatory property
|
|
super(Multi, self).__setitem__(index, value)
|
|
self._store()
|
|
|
|
#def __repr__(self, *args, **kwargs):
|
|
# return super(Multi, self).__repr__(*args, **kwargs)
|
|
|
|
def __getitem__(self, index):
|
|
value = super(Multi, self).__getitem__(index)
|
|
if isinstance(value, PropertiesOptionError):
|
|
raise value
|
|
return value
|
|
|
|
def _get_validated_value(self, index):
|
|
values = self._getcontext().cfgimpl_get_values()
|
|
return values._get_validated_value(self.opt, self.path,
|
|
True, False, True,
|
|
index=index)
|
|
|
|
def append(self, value=undefined, force=False, setitem=True, validate=True):
|
|
"""the list value can be updated (appened)
|
|
only if the option is a master
|
|
"""
|
|
if not force and self.opt.impl_is_master_slaves('slave'): # pragma: optional cover
|
|
raise SlaveError(_("cannot append a value on a multi option {0}"
|
|
" which is a slave").format(self.opt.impl_getname()))
|
|
index = self.__len__()
|
|
if value is undefined:
|
|
value = self._get_validated_value(index)
|
|
if validate and value not in [None, undefined]:
|
|
context = self._getcontext()
|
|
setting = context.cfgimpl_get_settings()
|
|
setting_properties = setting._getproperties(read_write=False)
|
|
if 'validator' in setting_properties:
|
|
fake_context = context._gen_fake_values()
|
|
fake_multi = fake_context.cfgimpl_get_values()._get_cached_value(
|
|
self.opt, path=self.path, validate=False)
|
|
fake_multi.append(value, validate=False, force=True)
|
|
self._validate(value, fake_context, index, True)
|
|
if not '_index' in self.__slots__ and self.opt.impl_is_submulti():
|
|
if not isinstance(value, SubMulti):
|
|
value = SubMulti(value, self.context, self.opt, self.path, index)
|
|
value.submulti = weakref.ref(self)
|
|
super(Multi, self).append(value)
|
|
if setitem:
|
|
self._store(force=force)
|
|
|
|
def append_properties_error(self, err):
|
|
super(Multi, self).append(err)
|
|
|
|
def sort(self, cmp=None, key=None, reverse=False):
|
|
if self.opt.impl_is_master_slaves():
|
|
raise SlaveError(_("cannot sort multi option {0} if master or slave"
|
|
"").format(self.opt.impl_getname()))
|
|
if sys.version_info[0] >= 3:
|
|
if cmp is not None:
|
|
raise ValueError(_('cmp is not permitted in python v3 or '
|
|
'greater'))
|
|
super(Multi, self).sort(key=key, reverse=reverse)
|
|
else:
|
|
super(Multi, self).sort(cmp=cmp, key=key, reverse=reverse)
|
|
self._store()
|
|
|
|
def reverse(self):
|
|
if self.opt.impl_is_master_slaves():
|
|
raise SlaveError(_("cannot reverse multi option {0} if master or "
|
|
"slave").format(self.opt.impl_getname()))
|
|
super(Multi, self).reverse()
|
|
self._store()
|
|
|
|
def insert(self, index, value, validate=True):
|
|
if self.opt.impl_is_master_slaves():
|
|
raise SlaveError(_("cannot insert multi option {0} if master or "
|
|
"slave").format(self.opt.impl_getname()))
|
|
context = self._getcontext()
|
|
setting = setting = context.cfgimpl_get_settings()
|
|
setting_properties = setting._getproperties(read_write=False)
|
|
if 'validator' in setting_properties and validate and value is not None:
|
|
fake_context = context._gen_fake_values()
|
|
fake_multi = fake_context.cfgimpl_get_values()._get_cached_value(
|
|
self.opt, path=self.path, validate=False)
|
|
fake_multi.insert(index, value, validate=False)
|
|
self._validate(value, fake_context, index, True)
|
|
super(Multi, self).insert(index, value)
|
|
self._store()
|
|
|
|
def extend(self, iterable, validate=True):
|
|
if self.opt.impl_is_master_slaves():
|
|
raise SlaveError(_("cannot extend multi option {0} if master or "
|
|
"slave").format(self.opt.impl_getname()))
|
|
try:
|
|
index = self._index
|
|
except:
|
|
index = None
|
|
context = self._getcontext()
|
|
setting = context.cfgimpl_get_settings()
|
|
setting_properties = setting._getproperties(read_write=False)
|
|
if 'validator' in setting_properties and validate:
|
|
fake_context = context._gen_fake_values()
|
|
fake_multi = fake_context.cfgimpl_get_values()._get_cached_value(
|
|
self.opt, path=self.path, validate=False)
|
|
fake_multi.extend(iterable, validate=False)
|
|
self._validate(iterable, fake_context, index)
|
|
super(Multi, self).extend(iterable)
|
|
self._store()
|
|
|
|
def _validate(self, value, fake_context, force_index, submulti=False):
|
|
self.opt.impl_validate(value, context=fake_context,
|
|
force_index=force_index)
|
|
|
|
def pop(self, index, force=False):
|
|
"""the list value can be updated (poped)
|
|
only if the option is a master
|
|
|
|
:param index: remove item a index
|
|
:type index: int
|
|
:param force: force pop item (withoud check master/slave)
|
|
:type force: boolean
|
|
:returns: item at index
|
|
"""
|
|
context = self._getcontext()
|
|
if not force:
|
|
if self.opt.impl_is_master_slaves('slave'): # pragma: optional cover
|
|
raise SlaveError(_("cannot pop a value on a multi option {0}"
|
|
" which is a slave").format(self.opt.impl_getname()))
|
|
if self.opt.impl_is_master_slaves('master'):
|
|
self.opt.impl_get_master_slaves().pop(self.opt,
|
|
context.cfgimpl_get_values(), index)
|
|
#set value without valid properties
|
|
ret = super(Multi, self).pop(index)
|
|
self._store(force=force)
|
|
return ret
|
|
|
|
def _store(self, force=False):
|
|
self._getcontext().cfgimpl_get_values()._setvalue(self.opt, self.path,
|
|
self,
|
|
validate_properties=not force)
|
|
|
|
|
|
class SubMulti(Multi):
|
|
__slots__ = ('_index', 'submulti')
|
|
|
|
def __init__(self, value, context, opt, path, index):
|
|
"""
|
|
:param index: index (only for slave with submulti)
|
|
:type index: `int`
|
|
"""
|
|
self._index = index
|
|
super(SubMulti, self).__init__(value, context, opt, path)
|
|
|
|
def append(self, value=undefined):
|
|
super(SubMulti, self).append(value, force=True)
|
|
|
|
def pop(self, index):
|
|
return super(SubMulti, self).pop(index, force=True)
|
|
|
|
def __setitem__(self, index, value):
|
|
self._setitem(index, value)
|
|
|
|
def _store(self, force=False):
|
|
#force is unused here
|
|
self._getcontext().cfgimpl_get_values()._setvalue(self.opt,
|
|
self.path,
|
|
self.submulti())
|
|
|
|
def _validate(self, value, fake_context, force_index, submulti=False):
|
|
if value is not None:
|
|
if submulti is False:
|
|
super(SubMulti, self)._validate(value, fake_context,
|
|
force_index, submulti)
|
|
else:
|
|
self.opt.impl_validate(value, context=fake_context,
|
|
force_index=self._index,
|
|
force_submulti_index=force_index)
|
|
|
|
def _get_validated_value(self, index):
|
|
values = self._getcontext().cfgimpl_get_values()
|
|
return values._get_validated_value(self.opt, self.path,
|
|
True, False, True,
|
|
index=index,
|
|
submulti_index=self._index)
|