mail.py 文件源码

def _get_collection_by_mailbox(self, name):
        collection = self._collection_mapping[self.user_id].get(
            name, None)
        if collection:
            return defer.succeed(collection)

        # imap select will use this, passing the collection to SoledadMailbox
        def get_collection_for_mailbox(mbox_wrapper):
            collection = MessageCollection(
                self.adaptor, self.store, self.mbox_indexer, mbox_wrapper)
            self._collection_mapping[self.user_id][name] = collection
            return collection

        d = self.adaptor.get_or_create_mbox(self.store, name)
        d.addCallback(get_collection_for_mailbox)
        return d