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from django.contrib.contenttypes import generic
from django.contrib.contenttypes.models import ContentType
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
class Episode(models.Model):
name = models.CharField(max_length=100)
length = models.CharField(max_length=100, blank=True)
author = models.CharField(max_length=100, blank=True)
@python_2_unicode_compatible
class Media(models.Model):
"""
Media that can associated to any object.
"""
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey()
url = models.URLField()
description = models.CharField(max_length=100, blank=True)
keywords = models.CharField(max_length=100, blank=True)
def __str__(self):
return self.url
#
# These models let us test the different GenericInline settings at
# different urls in the admin site.
#
#
# Generic inline with extra = 0
#
class EpisodeExtra(Episode):
pass
#
# Generic inline with extra and max_num
#
class EpisodeMaxNum(Episode):
pass
#
# Generic inline with unique_together
#
class Category(models.Model):
name = models.CharField(max_length=50)
class PhoneNumber(models.Model):
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey('content_type', 'object_id')
phone_number = models.CharField(max_length=30)
category = models.ForeignKey(Category, null=True, blank=True)
class Meta:
unique_together = (('content_type', 'object_id', 'phone_number',),)
class Contact(models.Model):
name = models.CharField(max_length=50)
phone_numbers = generic.GenericRelation(PhoneNumber)
#
# Generic inline with can_delete=False
#
class EpisodePermanent(Episode):
pass
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