Source code for heat.objects.fields

# 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
# 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

[docs]class Json(fields.FieldType):
[docs] def coerce(self, obj, attr, value): if isinstance(value, str): loaded = json.loads(value) return loaded return value
[docs] def from_primitive(self, obj, attr, value): return self.coerce(obj, attr, value)
[docs] def to_primitive(self, obj, attr, value): return json.dumps(value)
[docs]class JsonField(fields.AutoTypedField): AUTO_TYPE = Json()
[docs]class ListField(fields.AutoTypedField): AUTO_TYPE = fields.List(fields.FieldType())