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41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from django.db import models
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class Author(models.Model):
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first_name = models.CharField(max_length=255)
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last_name = models.CharField(max_length=255)
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dob = models.DateField()
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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# Protect against annotations being passed to __init__ --
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# this'll make the test suite get angry if annotations aren't
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# treated differently than fields.
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for k in kwargs:
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assert k in [f.attname for f in self._meta.fields], \
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"Author.__init__ got an unexpected parameter: %s" % k
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class Book(models.Model):
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title = models.CharField(max_length=255)
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author = models.ForeignKey(Author, models.CASCADE)
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paperback = models.BooleanField(default=False)
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opening_line = models.TextField()
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class BookFkAsPk(models.Model):
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book = models.ForeignKey(Book, models.CASCADE, primary_key=True, db_column="not_the_default")
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class Coffee(models.Model):
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brand = models.CharField(max_length=255, db_column="name")
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price = models.DecimalField(max_digits=10, decimal_places=2, default=0)
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class Reviewer(models.Model):
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reviewed = models.ManyToManyField(Book)
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class FriendlyAuthor(Author):
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pass
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