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			57 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			57 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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| 
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| 
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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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| 
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| 
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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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| 
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|     def __str__(self):
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|         return self.url
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| 
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| 
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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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| 
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| 
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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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| 
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|     class Meta:
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|         unique_together = (('content_type', 'object_id', '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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| 
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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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