mirror of
https://github.com/django/django.git
synced 2024-12-01 15:42:04 +01:00
43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
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',
|
|
models.SET_NULL,
|
|
null=True, blank=True,
|
|
related_name='+',
|
|
)
|
|
article = models.ForeignKey(Article, models.SET_NULL, null=True, blank=True)
|
|
|
|
def __str__(self):
|
|
# This method intentionally doesn't work for all cases - part
|
|
# of the test for ticket #20278
|
|
return SelfRef.objects.get(selfref=self).pk
|