text: # -*- coding: utf-8 -*-
  
  #############################################################################
  #
  # Copyright © Dragon Dollar Limited
  # contact: contact@dragondollar.com
  #
  # This software is a collection of webservices designed to provide a secure
  # and scalable framework to build e-commerce websites.
  #
  # This software is governed by the CeCILL-B license under French law and
  # abiding by the rules of distribution of free software. You can use,
  # modify and/ or redistribute the software under the terms of the CeCILL-B
  # license as circulated by CEA, CNRS and INRIA at the following URL
  # " http://www.cecill.info".
  #
  # As a counterpart to the access to the source code and rights to copy,
  # modify and redistribute granted by the license, users are provided only
  # with a limited warranty and the software's author, the holder of the
  # economic rights, and the successive licensors have only limited
  # liability.
  #
  # In this respect, the user's attention is drawn to the risks associated
  # with loading, using, modifying and/or developing or reproducing the
  # software by the user in light of its specific status of free software,
  # that may mean that it is complicated to manipulate, and that also
  # therefore means that it is reserved for developers and experienced
  # professionals having in-depth computer knowledge. Users are therefore
  # encouraged to load and test the software's suitability as regards their
  # requirements in conditions enabling the security of their systems and/or
  # data to be ensured and, more generally, to use and operate it in the
  # same conditions as regards security.
  #
  # The fact that you are presently reading this means that you have had
  # knowledge of the CeCILL-B license and that you accept its terms.
  #
  #############################################################################
  
  
  from django.contrib.contenttypes.models import ContentType
  from django.contrib.contenttypes import generic
  from django.db import models
  from sorl.thumbnail import ImageField
  from common.assets_utils import AssetsStorage
  
  class ProductPicture(models.Model):
      picture = ImageField(upload_to="img/product_pictures",
                           storage=AssetsStorage())
      content_type = models.ForeignKey(ContentType, null=True, blank=True)
      object_id = models.PositiveIntegerField(null=True, blank=True)
      content_object = generic.GenericForeignKey("content_type", "object_id")
  
      def __unicode__(self):
          return self.picture.url
  