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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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