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django/tests/modeltests/ordering/models.py
Aymeric Augustin d4a0b27838 [py3] Refactored __unicode__ to __str__.
* Renamed the __unicode__ methods
* Applied the python_2_unicode_compatible decorator
* Removed the StrAndUnicode mix-in that is superseded by
  python_2_unicode_compatible
* Kept the __unicode__ methods in classes that specifically
  test it under Python 2
2012-08-12 14:44:40 +02:00

39 lines
1.1 KiB
Python

"""
6. Specifying ordering
Specify default ordering for a model using the ``ordering`` attribute, which
should be a list or tuple of field names. This tells Django how to order
``QuerySet`` results.
If a field name in ``ordering`` starts with a hyphen, that field will be
ordered in descending order. Otherwise, it'll be ordered in ascending order.
The special-case field name ``"?"`` specifies random order.
The ordering attribute is not required. If you leave it off, ordering will be
undefined -- not random, just undefined.
"""
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)
pub_date = models.DateTimeField()
class Meta:
ordering = ('-pub_date', 'headline')
def __str__(self):
return self.headline
@python_2_unicode_compatible
class ArticlePKOrdering(models.Model):
headline = models.CharField(max_length=100)
pub_date = models.DateTimeField()
class Meta:
ordering = ('-pk',)
def __str__(self):
return self.headline