code: def update(cls, **kwargs):
          '''
          If a record matching the instance id already exists in the database, 
          update it. If a record matching the instance id does not already exist,
          create a new record.
          '''
          q = cls._get_instance(**{'id': kwargs['id']})
          if q:
              for k, v in kwargs.items():
                  setattr(q, k, v)
              _action_and_commit(q, session.add)
          else:
              cls.get_or_create(**kwargsf update(cls, **kwargs):
          '''
          If a record matching the instance id already exists in the database, 
          update it. If a record matching the instance id does not already exist,
          create a new record.
          '''
          q = cls._get_instance(**{'id': kwargs['id']})
          if q:
              for k, v in kwargs.items():
                  setattr(q, k, v)
              _action_and_commit(q, session.add)
          else:
              cls.get_or_create(**kwargs)
docs: If a record matching the instance id already exists in the database, 
          update it. If a record matching the instance id does not already exist,
          create a new record.