class UrlShrinked(models.Model):
    url=models.CharField(max_length=200)
    shrinkedCode=models.CharField(max_length=30,unique=True,blank=False,null=False,editable=False,default="Banana")
    created_date = models.DateTimeField(
            default=timezone.now,blank=False,null=False,editable=False)
    tmstamp=models.IntegerField(null=True)