72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016 Mirantis, Inc.
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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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import abc
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from copy import deepcopy
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from bareon_allocator import errors
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import six
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@six.add_metaclass(abc.ABCMeta)
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class BaseObject(object):
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"""Base class for Bareon Allocator Objects."""
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def __init__(self, **kwargs):
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self.init_data = deepcopy(kwargs)
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self.additional_parameters = {}
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# Fail if required property is not specified
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if not set(self.required) <= set(kwargs.keys()):
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required_properties = set(self.required) - set(kwargs.keys())
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raise errors.InvalidData(
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'Cannot create object with parameters "{0}", because '
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'required parameters are not provided {1}'.format(
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self.init_data,
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required_properties))
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# Set default properties for the object
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for k, v in six.iteritems(self.properties):
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setattr(self, k, v)
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# Override properties with data from parameters
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for k, v in six.iteritems(self.init_data):
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if k in self.properties.keys():
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setattr(self, k, v)
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else:
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self.additional_parameters[k] = v
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def __repr__(self):
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return str(self.init_data)
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@abc.abstractproperty
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def properties(self):
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"""Set object properties.
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Should be dictionary, example
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{
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'property': default_value
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}
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"""
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@property
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def required(self):
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"""A list of required properties."""
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return []
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