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django/tests/signals/models.py
Mariusz Felisiak 0379e7532f [5.0.x] Applied Black's 2024 stable style.
https://github.com/psf/black/releases/tag/24.1.0

Backport of 305757aec19c9d5111e4d76095ae0acd66163e4b from main
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Python

"""
Testing signals before/after saving and deleting.
"""
from django.db import models
class Person(models.Model):
first_name = models.CharField(max_length=20)
last_name = models.CharField(max_length=20)
def __str__(self):
return "%s %s" % (self.first_name, self.last_name)
class Car(models.Model):
make = models.CharField(max_length=20)
model = models.CharField(max_length=20)
class Author(models.Model):
name = models.CharField(max_length=20)
def __str__(self):
return self.name
class Book(models.Model):
name = models.CharField(max_length=20)
authors = models.ManyToManyField(Author)
def __str__(self):
return self.name
class Page(models.Model):
book = models.ForeignKey(Book, on_delete=models.CASCADE)
text = models.TextField()