old_contents: # -*- coding: utf-8 -*-
  
  from django.db import models
  from django_extensions.db.fields import UUIDField
  
  # Специальный маленький класс, чтобы у нас везде попали GUID'ы
  
  class JRModel(models.Model):
      guid = UUIDField(db_index=True)
  
      class Meta:
          abstract = True
         
  class VKField(models.URLField):
      pass
  
  class LiveJournalField(models.URLField):
      pass
      
  class FacebookField(models.URLField):
      pass
      
  class TwitterField(models.URLField):
      pass
  
  class SkypeField(models.TextField):
      pass
  
  class KogdaIgraField(models.URLField):
      pass
  
new_contents: # -*- coding: utf-8 -*-
  
  from django.db import models
  from django_extensions.db.fields import UUIDField
  
  # Специальный маленький класс, чтобы у нас везде попали GUID'ы
  
  class JRModel(models.Model):
      guid = UUIDField(db_index=True)
  
      class Meta:
          abstract = True
         
  class VKField(models.URLField):
      pass
  
  class LiveJournalField(models.URLField):
      pass
      
  class FacebookField(models.URLField):
      pass
      
  class TwitterField(models.URLField):
      pass
  
  class SkypeField(models.TextField):
      pass
  
  class KogdaIgraField(models.URLField):
      pass
  
  class OrderField(models.PositiveIntegerField):
      pass
  
subject: Add "order" field