old_contents: # -*- coding: utf-8 -*-
  # core.models
  
  from google.appengine.ext import db
  
  # Create your models here.
  
  
  class Article(db.Model):
      title = db.StringProperty()
      updated_at = db.DateTimeProperty(auto_now=True)
      created_at = db.DateTimeProperty(auto_now_add=True)
  
      def __unicode__(self):
          return self.title
  
new_contents: # -*- coding: utf-8 -*-
  # core.models
  
  from google.appengine.ext import db
  
  # Create your models here.
  
  
  class Article(db.Model):
      title = db.StringProperty()
      updated_at = db.DateTimeProperty(auto_now=True)
      created_at = db.DateTimeProperty(auto_now_add=True)
  
      def __unicode__(self):
          return self.title
  
  class ShortURL(db.Model):
      long_url = db.StringProperty(verbose_name='long URL', required=True)
      fallback_url = db.StringProperty(verbose_name='Fallback URL')
      ipad_url = db.StringProperty(verbose_name='iPad URL')
      android_url = db.StringProperty(verbose_name='Android URL')
      wp_url = db.StringProperty(verbose_name='WindowsPhone URL')
      firefox_url = db.StringProperty(verbose_name='FireFox URL')
      updated_at = db.DateTimeProperty(auto_now=True)
      created_at = db.DateTimeProperty(auto_now_add=True)
  
  
  
subject: add models.py