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- # Copyright 2014-2016 OpenMarket Ltd
- #
- # Licensed 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.
- import collections.abc
- from typing import Any
-
- from immutabledict import immutabledict
-
-
- def freeze(o: Any) -> Any:
- if isinstance(o, dict):
- return immutabledict({k: freeze(v) for k, v in o.items()})
-
- if isinstance(o, immutabledict):
- return o
-
- if isinstance(o, (bytes, str)):
- return o
-
- try:
- return tuple(freeze(i) for i in o)
- except TypeError:
- pass
-
- return o
-
-
- def unfreeze(o: Any) -> Any:
- if isinstance(o, collections.abc.Mapping):
- return {k: unfreeze(v) for k, v in o.items()}
-
- if isinstance(o, (bytes, str)):
- return o
-
- try:
- return [unfreeze(i) for i in o]
- except TypeError:
- pass
-
- return o
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