mirror of https://github.com/django/django.git
33 lines
863 B
Python
33 lines
863 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")
|