mirror of https://github.com/django/django.git
62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
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from django.contrib.contenttypes.models import ContentType
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from django.db import models
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class Episode(models.Model):
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name = models.CharField(max_length=100)
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length = models.CharField(max_length=100, blank=True)
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author = models.CharField(max_length=100, blank=True)
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class Media(models.Model):
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"""
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Media that can associated to any object.
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"""
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content_type = models.ForeignKey(ContentType, models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_object = GenericForeignKey()
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url = models.URLField()
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description = models.CharField(max_length=100, blank=True)
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keywords = models.CharField(max_length=100, blank=True)
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def __str__(self):
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return self.url
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#
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# Generic inline with unique_together
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#
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class Category(models.Model):
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name = models.CharField(max_length=50)
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class PhoneNumber(models.Model):
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content_type = models.ForeignKey(ContentType, models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_object = GenericForeignKey("content_type", "object_id")
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phone_number = models.CharField(max_length=30)
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category = models.ForeignKey(Category, models.SET_NULL, null=True, blank=True)
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class Meta:
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unique_together = (
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(
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"content_type",
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"object_id",
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"phone_number",
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),
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)
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class Contact(models.Model):
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name = models.CharField(max_length=50)
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phone_numbers = GenericRelation(PhoneNumber, related_query_name="phone_numbers")
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#
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# Generic inline with can_delete=False
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#
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class EpisodePermanent(Episode):
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pass
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