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# -*- coding: utf-8 -*-
"""
1. Bare-bones model
This is a basic model with only two non-primary-key fields.
"""
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
class Article(models.Model):
headline = models.CharField(max_length=100, default='Default headline')
pub_date = models.DateTimeField()
class Meta:
ordering = ('pub_date', 'headline')
def __str__(self):
return self.headline
class ArticleSelectOnSave(Article):
class Meta:
proxy = True
select_on_save = True
@python_2_unicode_compatible
class SelfRef(models.Model):
selfref = models.ForeignKey('self', null=True, blank=True,
related_name='+')
def __str__(self):
return SelfRef.objects.get(selfref=self).pk
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