old_contents: from django.db import models
  
  
  class News (models.Model):
      """
      News model represent detail description and
      content of each carusele element.
      """
      title = models.CharField(max_length=400)
      description = models.TextField(default="")
      content = models.TextField()
      pubdate = models.DateTimeField()
      image = models.ImageField(upload_to="media")
  
      def __unicode__(self):
          return unicode(self.title)
  
      def get_absolute_url(self):
          return "/carusele/art/%i/" % self.id
  
  
  class Element (models.Model):
      """
      This model presents picture and short description
      of news in carusele javascript element on main page.
      """
      description = models.CharField(max_length=400)
      image = models.ImageField(upload_to="media")
      news = models.OneToOneField("News")
  
      def __unicode__(self):
          return unicode(self.description)
  
new_contents: from django.core.urlresolvers import reverse
  from django.db import models
  
  
  class News (models.Model):
      """
      News model represent detail description and
      content of each carusele element.
      """
      title = models.CharField(max_length=400)
      description = models.TextField(default="")
      content = models.TextField()
      pubdate = models.DateTimeField()
      image = models.ImageField(upload_to="media")
  
      def __unicode__(self):
          return unicode(self.title)
  
      def get_absolute_url(self):
          return reverse("article", args=(self.id,))
  
  
  class Element (models.Model):
      """
      This model presents picture and short description
      of news in carusele javascript element on main page.
      """
      description = models.CharField(max_length=400)
      image = models.ImageField(upload_to="media")
      news = models.OneToOneField("News")
  
      def __unicode__(self):
          return unicode(self.description)
  
subject: Use reverse function for urls in carusele app