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			56 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from django.contrib.contenttypes.fields import (
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    GenericForeignKey, GenericRelation,
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)
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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 = (('content_type', 'object_id', 'phone_number',),)
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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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