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			68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.db import models
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| 
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| 
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| class Person(models.Model):
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|     first_name = models.CharField(max_length=100, unique=True)
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|     last_name = models.CharField(max_length=100)
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|     birthday = models.DateField()
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|     defaults = models.TextField()
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|     create_defaults = models.TextField()
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| 
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| 
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| class DefaultPerson(models.Model):
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|     first_name = models.CharField(max_length=100, default="Anonymous")
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| 
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| 
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| class ManualPrimaryKeyTest(models.Model):
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|     id = models.IntegerField(primary_key=True)
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|     data = models.CharField(max_length=100)
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| 
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| 
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| class Profile(models.Model):
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|     person = models.ForeignKey(Person, models.CASCADE, primary_key=True)
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| 
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| 
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| class Tag(models.Model):
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|     text = models.CharField(max_length=255, unique=True)
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| 
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| 
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| class Thing(models.Model):
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|     name = models.CharField(max_length=255)
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|     tags = models.ManyToManyField(Tag)
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| 
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|     @property
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|     def capitalized_name_property(self):
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|         return self.name
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| 
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|     @capitalized_name_property.setter
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|     def capitalized_name_property(self, val):
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|         self.name = val.capitalize()
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| 
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|     @property
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|     def name_in_all_caps(self):
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|         return self.name.upper()
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| 
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| 
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| class Publisher(models.Model):
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|     name = models.CharField(max_length=100)
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| 
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| 
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| class Author(models.Model):
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|     name = models.CharField(max_length=100)
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| 
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| 
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| class Journalist(Author):
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|     specialty = models.CharField(max_length=100)
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| 
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| 
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| class Book(models.Model):
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|     name = models.CharField(max_length=100)
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|     authors = models.ManyToManyField(Author, related_name="books")
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|     publisher = models.ForeignKey(
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|         Publisher,
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|         models.CASCADE,
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|         related_name="books",
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|         db_column="publisher_id_column",
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|     )
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|     updated = models.DateTimeField(auto_now=True)
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