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