django/tests/lookup/models.py

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"""
7. The lookup API
This demonstrates features of the database API.
"""
from __future__ import unicode_literals
from django.db import models
from django.utils import six
from django.utils.encoding import python_2_unicode_compatible
from shared_models.models import Author, Book
class Tag(models.Model):
articles = models.ManyToManyField(Book)
name = models.CharField(max_length=100)
class Meta:
ordering = ('name', )
@python_2_unicode_compatible
class Season(models.Model):
year = models.PositiveSmallIntegerField()
gt = models.IntegerField(null=True, blank=True)
def __str__(self):
return six.text_type(self.year)
@python_2_unicode_compatible
class Game(models.Model):
season = models.ForeignKey(Season, related_name='games')
home = models.CharField(max_length=100)
away = models.CharField(max_length=100)
def __str__(self):
return "%s at %s" % (self.away, self.home)
@python_2_unicode_compatible
class Player(models.Model):
name = models.CharField(max_length=100)
games = models.ManyToManyField(Game, related_name='players')
def __str__(self):
return self.name