old_contents: #
  #    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
  from sqlalchemy.dialects import mysql
  from sqlalchemy import types
  
  
  dumps = jsonutils.dumps
  loads = jsonutils.loads
  
  
  class LongText(types.TypeDecorator):
  
      impl = types.Text
  
      def load_dialect_impl(self, dialect):
          if dialect.name == 'mysql':
              return dialect.type_descriptor(mysql.LONGTEXT())
          else:
              return self.impl
  
  
  class Json(LongText):
  
      def process_bind_param(self, value, dialect):
          return dumps(value)
  
      def process_result_value(self, value, dialect):
          if value is None:
              return None
          return loads(value)
  
  
  class List(types.TypeDecorator):
  
      impl = types.Text
  
      def load_dialect_impl(self, dialect):
          if dialect.name == 'mysql':
              return dialect.type_descriptor(mysql.LONGTEXT())
          else:
              return self.impl
  
      def process_bind_param(self, value, dialect):
          return dumps(value)
  
      def process_result_value(self, value, dialect):
          if value is None:
              return None
          return loads(value)
  
new_contents: #
  #    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
  from sqlalchemy.dialects import mysql
  from sqlalchemy import types
  
  
  dumps = jsonutils.dumps
  loads = jsonutils.loads
  
  
  class LongText(types.TypeDecorator):
  
      impl = types.Text
      cache_ok = True
  
      def load_dialect_impl(self, dialect):
          if dialect.name == 'mysql':
              return dialect.type_descriptor(mysql.LONGTEXT())
          else:
              return self.impl
  
  
  class Json(LongText):
  
      def process_bind_param(self, value, dialect):
          return dumps(value)
  
      def process_result_value(self, value, dialect):
          if value is None:
              return None
          return loads(value)
  
  
  class List(types.TypeDecorator):
  
      impl = types.Text
      cache_ok = True
  
      def load_dialect_impl(self, dialect):
          if dialect.name == 'mysql':
              return dialect.type_descriptor(mysql.LONGTEXT())
          else:
              return self.impl
  
      def process_bind_param(self, value, dialect):
          return dumps(value)
  
      def process_result_value(self, value, dialect):
          if value is None:
              return None
          return loads(value)
  
subject: Set cache_ok to avoid SAWarning