config_rev_persisted.py 文件源码

def load(cls, branch, kv_store, msg_cls, hash):
        #  Update the branch's config store
        blob = kv_store[hash]
        if cls.compress:
            blob = decompress(blob)
        data = loads(blob)

        config_hash = data['config']
        config_data = cls.load_config(kv_store, msg_cls, config_hash)

        children_list = data['children']
        assembled_children = {}
        node = branch._node
        for field_name, meta in children_fields(msg_cls).iteritems():
            child_msg_cls = tmp_cls_loader(meta.module, meta.type)
            children = []
            for child_hash in children_list[field_name]:
                child_node = node._mknode(child_msg_cls)
                child_node.load_latest(child_hash)
                child_rev = child_node.latest
                children.append(child_rev)
            assembled_children[field_name] = children
        rev = cls(branch, config_data, assembled_children)
        return rev