text: # Copyright (c) 2014 Mirantis, Inc.
  #
  #    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.
  
  import six
  
  from murano.dsl import helpers
  
  
  class Object(object):
      def __init__(self, __name, __id=None, class_version=None, **kwargs):
          self.data = {
              '?': {
                  'type': __name,
                  'id': __id or helpers.generate_id()
              }
          }
          if class_version is not None:
              self.data['?']['classVersion'] = class_version
          self.data.update(kwargs)
  
      @property
      def id(self):
          return self.data['?']['id']
  
      @property
      def type_name(self):
          return self.data['?']['type']
  
      def __getitem__(self, item):
          return self.data[item]
  
      def __setitem__(self, key, value):
          self.data[key] = value
  
      def __contains__(self, item):
          return item in self.data
  
      def __delitem__(self, key):
          del self.data[key]
  
  
  class Attribute(object):
      def __init__(self, obj, key, value):
          self._value = value
          self._key = key
          self._obj = obj
  
      @property
      def obj(self):
          return self._obj
  
      @property
      def key(self):
          return self._key
  
      @property
      def value(self):
          return self._value
  
  
  class Ref(object):
      def __init__(self, obj):
          if isinstance(obj, six.string_types):
              self._id = obj
          else:
              self._id = obj.id
  
      @property
      def id(self):
          return self._id
  
  
  def build_model(root):
      if isinstance(root, dict):
          for key, value in root.items():
              root[key] = build_model(value)
      elif isinstance(root, list):
          for i in range(len(root)):
              root[i] = build_model(root[i])
      elif isinstance(root, Object):
          return build_model(root.data)
      elif isinstance(root, Ref):
          return root.id
      elif isinstance(root, Attribute):
          return [root.obj.id, root.obj.type_name, root.key, root.value]
      return root
  