# # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. from __future__ import annotations from typing import TYPE_CHECKING, cast from airflow.utils.module_loading import qualname if TYPE_CHECKING: from airflow.serialization.serde import U __version__ = 1 serializers = ["builtins.frozenset", "builtins.set", "builtins.tuple"] deserializers = serializers stringifiers = serializers def serialize(o: object) -> tuple[U, str, int, bool]: return list(cast(list, o)), qualname(o), __version__, True def deserialize(classname: str, version: int, data: list) -> tuple | set | frozenset: if version > __version__: raise TypeError("serialized version is newer than class version") if classname == qualname(tuple): return tuple(data) if classname == qualname(set): return set(data) if classname == qualname(frozenset): return frozenset(data) raise TypeError(f"do not know how to deserialize {classname}") def stringify(classname: str, version: int, data: list) -> str: if classname not in stringifiers: raise TypeError(f"do not know how to stringify {classname}") s = ",".join(str(d) for d in data) return f"({s})"