Source code for glance.common.wsme_utils

# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
#    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 datetime import datetime

from wsme import types as wsme_types

from glance.common import timeutils

[docs]class WSMEModelTransformer(object):
[docs] def to_dict(self): # Return the wsme_attributes names:values as a dict my_dict = {} for attribute in self._wsme_attributes: value = getattr(self, if value is not wsme_types.Unset: my_dict.update({ value}) return my_dict
[docs] @classmethod def to_wsme_model(model, db_entity, self_link=None, schema=None): # Return the wsme_attributes names:values as a dict names = [] for attribute in model._wsme_attributes: names.append( values = {} for name in names: value = getattr(db_entity, name, None) if value is not None: if type(value) == datetime: iso_datetime_value = timeutils.isotime(value) values.update({name: iso_datetime_value}) else: values.update({name: value}) if schema: values['schema'] = schema model_object = model(**values) # 'self' kwarg is used in wsme.types.Base.__init__(self, ..) and # conflicts during initialization. self_link is a proxy field to self. if self_link: model_object.self = self_link return model_object
[docs] @classmethod def get_mandatory_attrs(cls): return [ for attr in cls._wsme_attributes if attr.mandatory]
def _get_value(obj): if obj is not wsme_types.Unset: return obj else: return None