Edit File: persistentregistry.py
############################################################################## # # Copyright (c) 2004 Zope Foundation and Contributors. # All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """Persistent component managers """ from persistent import Persistent from persistent.mapping import PersistentMapping from persistent.list import PersistentList from zope.interface.adapter import VerifyingAdapterRegistry from zope.interface.registry import Components class PersistentAdapterRegistry(VerifyingAdapterRegistry, Persistent): def changed(self, originally_changed): if originally_changed is self: self._p_changed = True super(PersistentAdapterRegistry, self).changed(originally_changed) def __getstate__(self): state = super(PersistentAdapterRegistry, self).__getstate__().copy() for name in self._delegated: state.pop(name, 0) state.pop('ro', None) return state def __setstate__(self, state): bases = state.pop('__bases__', ()) super(PersistentAdapterRegistry, self).__setstate__(state) self._createLookup() self.__bases__ = bases self._v_lookup.changed(self) class PersistentComponents(Components): def _init_registries(self): self.adapters = PersistentAdapterRegistry() self.utilities = PersistentAdapterRegistry() def _init_registrations(self): self._utility_registrations = PersistentMapping() self._adapter_registrations = PersistentMapping() self._subscription_registrations = PersistentList() self._handler_registrations = PersistentList()
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