django1/tests/order_with_respect_to/models.py

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"""
Tests for the order_with_respect_to Meta attribute.
We explicitly declare app_label on these models, because they are reused by
contenttypes_tests. When those tests are run in isolation, these models need
app_label because order_with_respect_to isn't in INSTALLED_APPS.
"""
from django.db import models
from django.utils import six
from django.utils.encoding import python_2_unicode_compatible
class Question(models.Model):
text = models.CharField(max_length=200)
class Meta:
app_label = 'order_with_respect_to'
@python_2_unicode_compatible
class Answer(models.Model):
text = models.CharField(max_length=200)
question = models.ForeignKey(Question, models.CASCADE)
class Meta:
order_with_respect_to = 'question'
app_label = 'order_with_respect_to'
def __str__(self):
return six.text_type(self.text)
@python_2_unicode_compatible
class Post(models.Model):
title = models.CharField(max_length=200)
parent = models.ForeignKey("self", models.SET_NULL, related_name="children", null=True)
class Meta:
order_with_respect_to = "parent"
app_label = 'order_with_respect_to'
def __str__(self):
return self.title