107c4a1805
Port python 2 code to python 3 depend on [1]: - Replace unicode with six.text_type - Replace json.dumps(obj) with oslo_serialization.jsonutils.dump_as_bytes(obj). - Replace json.loads(obj) with oslo_serialization.jsonutils.loads(obj). Change-Id: Id36e723f86427756c7092ae30de50fec9afee735 Implements: blueprint support-python-35
71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# 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
|
|
|
|
|
|
class BaseModel(object):
|
|
"""Superclass responsible for converting json data to/from model"""
|
|
|
|
@classmethod
|
|
def from_json(cls, json_str):
|
|
return cls.from_dict(json.loads(json_str))
|
|
|
|
def to_json(self):
|
|
return json.dump_as_bytes(self.to_dict())
|
|
|
|
@classmethod
|
|
def from_dict(cls, data):
|
|
model = cls()
|
|
for key in data:
|
|
setattr(model, key, data.get(key))
|
|
return model
|
|
|
|
def to_dict(self):
|
|
result = {}
|
|
for key in self.__dict__:
|
|
result[key] = getattr(self, key)
|
|
if isinstance(result[key], BaseModel):
|
|
result[key] = result[key].to_dict()
|
|
return result
|
|
|
|
def __str__(self):
|
|
return "%s" % self.to_dict()
|
|
|
|
|
|
class EntityModel(BaseModel):
|
|
"""Superclass resposible from converting dict to instance of model"""
|
|
|
|
@classmethod
|
|
def from_dict(cls, data):
|
|
model = super(EntityModel, cls).from_dict(data)
|
|
if hasattr(model, cls.ENTITY_NAME):
|
|
val = getattr(model, cls.ENTITY_NAME)
|
|
setattr(model, cls.ENTITY_NAME, cls.MODEL_TYPE.from_dict(val))
|
|
return model
|
|
|
|
|
|
class CollectionModel(BaseModel):
|
|
"""Superclass resposible from converting dict to list of models"""
|
|
|
|
@classmethod
|
|
def from_dict(cls, data):
|
|
model = super(CollectionModel, cls).from_dict(data)
|
|
|
|
collection = []
|
|
if hasattr(model, cls.COLLECTION_NAME):
|
|
for d in getattr(model, cls.COLLECTION_NAME):
|
|
collection.append(cls.MODEL_TYPE.from_dict(d))
|
|
setattr(model, cls.COLLECTION_NAME, collection)
|
|
|
|
return model
|