serialize metaconfig/groupconfig
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@@ -161,7 +161,7 @@ class SubConfig(object):
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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(_('no option description found for this config'
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' (may be metaconfig without meta)'))
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' (may be GroupConfig)'))
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else:
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return self._impl_descr
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@@ -467,9 +467,9 @@ class SubConfig(object):
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return context_descr.impl_get_path_by_opt(descr)
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class CommonConfig(SubConfig):
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"abstract base class for the Config and the MetaConfig"
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__slots__ = ('_impl_values', '_impl_settings', '_impl_meta')
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class _CommonConfig(SubConfig):
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"abstract base class for the Config, GroupConfig and the MetaConfig"
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__slots__ = ('_impl_values', '_impl_settings', '_impl_meta', '_impl_test')
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def _impl_build_all_paths(self):
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self.cfgimpl_get_description().impl_build_cache()
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@@ -508,7 +508,8 @@ class CommonConfig(SubConfig):
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return None
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def cfgimpl_get_meta(self):
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return self._impl_meta
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if self._impl_meta is not None:
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return self._impl_meta()
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# information
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def impl_set_information(self, key, value):
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@@ -526,37 +527,12 @@ class CommonConfig(SubConfig):
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"""
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return self._impl_values.get_information(key, default)
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# ____________________________________________________________
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class Config(CommonConfig):
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"main configuration management entry"
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__slots__ = ('__weakref__', '_impl_test')
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def __init__(self, descr, session_id=None, persistent=False):
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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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:param session_id: session ID is import with persistent Config to
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retrieve good session
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:type session_id: `str`
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:param persistent: if persistent, don't delete storage when leaving
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:type persistent: `boolean`
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"""
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settings, values = get_storages(self, session_id, persistent)
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self._impl_settings = Settings(self, settings)
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self._impl_values = Values(self, values)
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super(Config, self).__init__(descr, weakref.ref(self))
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self._impl_build_all_paths()
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self._impl_meta = None
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#undocumented option used only in test script
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self._impl_test = False
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# ----- state
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def __getstate__(self):
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if self._impl_meta is not None:
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raise ConfigError('cannot serialize Config with meta')
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#FIXME _impl_meta est un weakref => faut pas sauvegarder mais faut bien savoir si c'est un méta ou pas au final ...
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#en fait il faut ne pouvoir sérialisé que depuis une MetaConfig ... et pas directement comme pour les options
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raise ConfigError('cannot serialize Config with MetaConfig')
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slots = set()
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for subclass in self.__class__.__mro__:
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if subclass is not object:
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@@ -589,6 +565,34 @@ class Config(CommonConfig):
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self._impl_values._impl_setstate(storage)
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self._impl_settings._impl_setstate(storage)
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# ____________________________________________________________
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class Config(_CommonConfig):
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"main configuration management entry"
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__slots__ = ('__weakref__',)
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def __init__(self, descr, session_id=None, persistent=False):
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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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:param session_id: session ID is import with persistent Config to
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retrieve good session
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:type session_id: `str`
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:param persistent: if persistent, don't delete storage when leaving
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:type persistent: `boolean`
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"""
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settings, values = get_storages(self, session_id, persistent)
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self._impl_settings = Settings(self, settings)
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self._impl_values = Values(self, values)
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super(Config, self).__init__(descr, weakref.ref(self))
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self._impl_build_all_paths()
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self._impl_meta = None
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#undocumented option used only in test script
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self._impl_test = False
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def cfgimpl_reset_cache(self,
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only_expired=False,
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only=('values', 'settings')):
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@@ -598,42 +602,29 @@ class Config(CommonConfig):
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self.cfgimpl_get_settings().reset_cache(only_expired=only_expired)
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class MetaConfig(CommonConfig):
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class GroupConfig(_CommonConfig):
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__slots__ = ('_impl_children', '__weakref__')
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def __init__(self, children, meta=True, session_id=None, persistent=False):
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def __init__(self, children, session_id=None, persistent=False,
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_descr=None):
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if not isinstance(children, list):
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raise ValueError(_("metaconfig's children must be a list"))
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descr = None
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if meta:
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for child in children:
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if not isinstance(child, CommonConfig):
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raise TypeError(_("metaconfig's children "
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"must be config, not {0}"
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).format(type(child)))
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if descr is None:
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descr = child.cfgimpl_get_description()
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elif not descr is child.cfgimpl_get_description():
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raise ValueError(_('all config in metaconfig must '
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'have the same optiondescription'))
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if child.cfgimpl_get_meta() is not None:
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raise ValueError(_("child has already a metaconfig's"))
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child._impl_meta = self
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self._impl_children = children
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settings, values = get_storages(self, session_id, persistent)
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self._impl_settings = Settings(self, settings)
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self._impl_values = Values(self, values)
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super(MetaConfig, self).__init__(descr, weakref.ref(self))
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super(GroupConfig, self).__init__(_descr, weakref.ref(self))
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self._impl_meta = None
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#undocumented option used only in test script
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self._impl_test = False
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def cfgimpl_get_children(self):
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return self._impl_children
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def cfgimpl_get_context(self):
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"a meta config is a config wich has a setting, that is itself"
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return self
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#def cfgimpl_get_context(self):
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# "a meta config is a config which has a setting, that is itself"
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# return self
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#
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def cfgimpl_reset_cache(self,
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only_expired=False,
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only=('values', 'settings')):
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@@ -644,38 +635,49 @@ class MetaConfig(CommonConfig):
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for child in self._impl_children:
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child.cfgimpl_reset_cache(only_expired=only_expired, only=only)
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def set_contexts(self, path, value):
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def setattrs(self, path, value):
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"""Setattr not in current GroupConfig, but in each children
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"""
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for child in self._impl_children:
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try:
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if not isinstance(child, MetaConfig):
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if not isinstance(child, GroupConfig):
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setattr(child, path, value)
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else:
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child.set_contexts(path, value)
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child.setattrs(path, value)
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except PropertiesOptionError:
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pass
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def find_first_contexts(self, byname=None, bypath=None, byvalue=None,
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type_='path', display_error=True):
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def find_firsts(self, byname=None, bypath=None, byvalue=None,
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type_='path', display_error=True):
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"""Find first not in current GroupConfig, but in each children
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"""
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ret = []
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#if MetaConfig, all children have same OptionDescription as context
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#so search only one time for all children
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try:
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if bypath is None and byname is not None and \
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self.cfgimpl_get_description() is not None:
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isinstance(self, MetaConfig):
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bypath = self._find(bytype=None, byvalue=None, byname=byname,
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first=True, type_='path',
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check_properties=False,
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display_error=display_error)
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except ConfigError:
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byname = None
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except AttributeError:
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pass
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for child in self._impl_children:
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try:
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if not isinstance(child, MetaConfig):
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if bypath is not None:
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#if byvalue is None, try if not raise
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value = getattr(child, bypath)
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if byvalue is not None:
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if getattr(child, bypath) == byvalue:
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ret.append(child)
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if isinstance(value, Multi):
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if byvalue in value:
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ret.append(child)
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else:
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if value == byvalue:
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ret.append(child)
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else:
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#not raise
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getattr(child, bypath)
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ret.append(child)
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else:
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ret.append(child.find_first(byname=byname,
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@@ -683,16 +685,38 @@ class MetaConfig(CommonConfig):
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type_=type_,
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display_error=False))
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else:
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ret.extend(child.find_first_contexts(byname=byname,
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bypath=bypath,
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byvalue=byvalue,
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type_=type_,
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display_error=False))
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ret.extend(child.find_firsts(byname=byname,
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bypath=bypath,
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byvalue=byvalue,
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type_=type_,
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display_error=False))
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except AttributeError:
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pass
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return self._find_return_results(ret, display_error)
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class MetaConfig(GroupConfig):
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__slots__ = tuple()
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def __init__(self, children, session_id=None, persistent=False):
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descr = None
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for child in children:
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if not isinstance(child, _CommonConfig):
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raise TypeError(_("metaconfig's children "
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"should be config, not {0}"
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).format(type(child)))
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if child.cfgimpl_get_meta() is not None:
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raise ValueError(_("child has already a metaconfig's"))
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if descr is None:
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descr = child.cfgimpl_get_description()
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elif not descr is child.cfgimpl_get_description():
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raise ValueError(_('all config in metaconfig must '
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'have the same optiondescription'))
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child._impl_meta = weakref.ref(self)
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super(MetaConfig, self).__init__(children, session_id, persistent, descr)
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def mandatory_warnings(config):
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"""convenience function to trace Options that are mandatory and
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where no value has been set
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