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django/tests/save_delete_hooks/models.py

32 lines
862 B
Python

"""
Adding hooks before/after saving and deleting
To execute arbitrary code around ``save()`` and ``delete()``, just subclass
the methods.
"""
from django.db import models
class Person(models.Model):
first_name = models.CharField(max_length=20)
last_name = models.CharField(max_length=20)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.data = []
def __str__(self):
return "%s %s" % (self.first_name, self.last_name)
def save(self, *args, **kwargs):
self.data.append("Before save")
# Call the "real" save() method
super().save(*args, **kwargs)
self.data.append("After save")
def delete(self):
self.data.append("Before deletion")
# Call the "real" delete() method
super().delete()
self.data.append("After deletion")