def load(self, oid): print 'Loading %s' % oid instance = self.cache.get_instance(oid, None) if instance is None or isinstance(instance, DeferredObject): transformation = self.storage.load_record(oid) instance = self._transformation_reader.read(transformation) persistent = IPersistentObject(instance) self._configure_persistence(persistent, oid) persistent.set_loaded() persistent.set_saved() instance = persistent.get_object() else: print '\tloaded from cache!' print '\tload(%s) -> %s' % (oid, instance) return instance
def get_oid(self, instance): print 'get_oid(%s)' % (instance,) if isinstance(instance, _never_persistent): print '\t-> None, is instance of _never_persistent' return None if type(instance) in (dict, list): print '\t-> None, type in dict, list' return None if not IPersistent.providedBy(instance): print '\t-> None, IPersistent not provided by instance' return None persistent = IPersistentObject(instance) if persistent.get_oid() is None: self._configure_persistence(persistent) persistent.set_loaded() persistent.set_unsaved() elif not persistent.is_persistent(): print '\t-> None, not persistent.is_persistent()' return None oid = persistent.get_oid() print '\t%s OID => %s' % (instance, oid) return oid
def get_oid(self, instance): print 'get_oid(%s)' % (instance, ) if isinstance(instance, _never_persistent): print '\t-> None, is instance of _never_persistent' return None if type(instance) in (dict, list): print '\t-> None, type in dict, list' return None if not IPersistent.providedBy(instance): print '\t-> None, IPersistent not provided by instance' return None persistent = IPersistentObject(instance) if persistent.get_oid() is None: self._configure_persistence(persistent) persistent.set_loaded() persistent.set_unsaved() elif not persistent.is_persistent(): print '\t-> None, not persistent.is_persistent()' return None oid = persistent.get_oid() print '\t%s OID => %s' % (instance, oid) return oid