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# -*- coding: utf-8 -*-
# Copyright 2014 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.
from frozendict import frozendict
import json
def freeze(o):
if isinstance(o, dict) or isinstance(o, frozendict):
return frozendict({k: freeze(v) for k, v in o.items()})
if isinstance(o, basestring):
return o
try:
return tuple([freeze(i) for i in o])
except TypeError:
pass
return o
def unfreeze(o):
if isinstance(o, frozendict) or isinstance(o, dict):
return dict({k: unfreeze(v) for k, v in o.items()})
if isinstance(o, basestring):
return o
try:
return [unfreeze(i) for i in o]
except TypeError:
pass
return o
class FrozenEncoder(json.JSONEncoder):
def default(self, o):
if isinstance(o, frozendict):
return dict(o)
return json.JSONEncoder(self, o)
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