def get_storage_by_id(self, storage_id):
"""!TXT! Return the specified Storage, raise KeyError otherwise."""
storage = self._getOb(storage_id)
if IStoragePluginBase.providedBy(storage):
return storage
raise KeyError('!TXT! Storage "%s" not found.' % storage_id)
def storage_items(self):
"""!TXT! Return tuples of id, value of Storages"""
result = []
for id, object in self.objectItems():
if IStoragePluginBase.providedBy(object):
result.append((id, object))
return result
def get_storage(self, source):
"""!TXT! Return the specified Storage. Source is either a Storage's id, a Storage or an EntrySet. Raises KeyError if no Storage can be returned."""
if IStoragePluginBase.providedBy(source) or IEntrySet.providedBy(source):
return source
return self.get_storage_by_id(source)
