text: # richard -- video index system
  # Copyright (C) 2012, 2013 richard contributors.  See AUTHORS.
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Affero General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU Affero General Public License for more details.
  #
  # You should have received a copy of the GNU Affero General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  from functools import wraps
  
  
  def with_save(func):
      """
      Decorates the given modelmaker adding the `save` keyword argument.
  
      If save is provided and its `True`, the created model will be
      saved after its creation.
      """
      @wraps(func)
      def wrapper(*args, **kwargs):
          save = kwargs.pop('save', False)
  
          model = func(*args, **kwargs)
  
          if save and callable(getattr(model, 'save', None)):
              model.save()
  
          return model
  
      return wrapper
  