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# Copyright 2014 Intel Corp.
# 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 oslo_serialization import jsonutils as json
from oslo_versionedobjects import fields
import six
class Json(fields.FieldType):
def coerce(self, obj, attr, value):
if isinstance(value, six.string_types):
loaded = json.loads(value)
return loaded
return value
def from_primitive(self, obj, attr, value):
return self.coerce(obj, attr, value)
def to_primitive(self, obj, attr, value):
return json.dumps(value)
class JsonField(fields.AutoTypedField):
AUTO_TYPE = Json()
class ListField(fields.AutoTypedField):
AUTO_TYPE = fields.List(fields.FieldType())