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"""
Testing signals before/after saving and deleting.
"""
from __future__ import unicode_literals
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
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)
@python_2_unicode_compatible
class Car(models.Model):
make = models.CharField(max_length=20)
model = models.CharField(max_length=20)
def __str__(self):
return "%s %s" % (self.make, self.model)
@python_2_unicode_compatible
class Author(models.Model):
name = models.CharField(max_length=20)
def __str__(self):
return self.name
@python_2_unicode_compatible
class Book(models.Model):
name = models.CharField(max_length=20)
authors = models.ManyToManyField(Author)
def __str__(self):
return self.name
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