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