72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from datetime import datetime
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from wsme import types as wsme_types
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from glance.openstack.common import timeutils
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class WSMEModelTransformer():
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def to_dict(self):
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# Return the wsme_attributes names:values as a dict
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my_dict = {}
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for attribute in self._wsme_attributes:
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value = getattr(self, attribute.name)
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if value is not wsme_types.Unset:
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my_dict.update({attribute.name: value})
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return my_dict
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@classmethod
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def to_wsme_model(model, db_entity, self_link=None, schema=None):
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# Return the wsme_attributes names:values as a dict
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names = []
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for attribute in model._wsme_attributes:
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names.append(attribute.name)
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values = {}
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for name in names:
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value = getattr(db_entity, name, None)
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if value is not None:
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if type(value) == datetime:
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iso_datetime_value = timeutils.isotime(value)
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values.update({name: iso_datetime_value})
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else:
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values.update({name: value})
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if schema:
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values['schema'] = schema
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model_object = model(**values)
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# 'self' kwarg is used in wsme.types.Base.__init__(self, ..) and
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# conflicts during initialization. self_link is a proxy field to self.
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if self_link:
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model_object.self = self_link
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return model_object
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@classmethod
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def get_mandatory_attrs(cls):
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return [attr.name for attr in cls._wsme_attributes if attr.mandatory]
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def _get_value(obj):
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if obj is not wsme_types.Unset:
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return obj
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else:
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return None
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