RETIRED, Tricircle is to provide networking automation across Neutron.
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# Copyright 2015 Huawei Technologies Co., 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 six
from oslo_messaging import serializer
ATTR_NOT_SPECIFIED = object()
class Mapping(object):
def __init__(self, mapping):
self.direct_mapping = mapping
self.reverse_mapping = {}
for key, value in six.iteritems(mapping):
self.reverse_mapping[value] = key
_SINGLETON_MAPPING = Mapping({
ATTR_NOT_SPECIFIED: "@@**ATTR_NOT_SPECIFIED**@@",
})
class TricircleSerializer(serializer.Serializer):
def __init__(self, base=None):
super(TricircleSerializer, self).__init__()
self._base = base
def serialize_entity(self, context, entity):
if isinstance(entity, dict):
for key, value in six.iteritems(entity):
entity[key] = self.serialize_entity(context, value)
elif isinstance(entity, list):
for i, item in enumerate(entity):
entity[i] = self.serialize_entity(context, item)
elif entity in _SINGLETON_MAPPING.direct_mapping:
entity = _SINGLETON_MAPPING.direct_mapping[entity]
if self._base is not None:
entity = self._base.serialize_entity(context, entity)
return entity
def deserialize_entity(self, context, entity):
if isinstance(entity, dict):
for key, value in six.iteritems(entity):
entity[key] = self.deserialize_entity(context, value)
elif isinstance(entity, list):
for i, item in enumerate(entity):
entity[i] = self.deserialize_entity(context, item)
elif entity in _SINGLETON_MAPPING.reverse_mapping:
entity = _SINGLETON_MAPPING.reverse_mapping[entity]
if self._base is not None:
entity = self._base.deserialize_entity(context, entity)
return entity
def serialize_context(self, context):
if self._base is not None:
context = self._base.serialize_context(context)
return context
def deserialize_context(self, context):
if self._base is not None:
context = self._base.deserialize_context(context)
return context