minimal_models.py

class MinimalModel():

  @property
  @abstractmethod
  def properties(self):
      pass

  def __init__(self, database_object):
    for property in self.properties:
      setattr(self, property getattr(database_object, property))


class ApiKey(MinimalModel):
  properties = ('id', 'secret', 'expiry_time')


class MinimalModels()

  @property
  @abstractmethod
  def model(self):
      pass

  def __init__(self, database_objects):
     self.database_objects = list(database_objects)

  def __getitem__(self, index):
      return self.model(self.items[index])

    
class ApiKeys(MinimalModels)
  model = ApiKeys


api_keys = ApiKeys(database_objects)