Django builtin signals

django built-in signals 

Django's built-in Signals:
Django provides a set of built-in signals that let user code get notified by Django itself of certain actions. These include some useful notifications:

django.db.models.signals.pre_save & django.db.models.signals.post_save : Sent before or after a model's save() method is called
django.db.models.signals.pre_delete & django.db.models.signals.post_delete : Sent before or after a model's delete() method or queryset's delete() method is called
django.db.models.signals.m2m_changed : Sent when a ManyToManyField on a model is changed
django.core.signals.request_started & django.core.signals.request_finished : Sent when Django starts or finishes an HTTP request

Similar codes

0 vote190 views1 answer
Plot circles in matplotlib
Python
0 vote217 views1 answer
Open anarchy ip
Python
1 vote226 views1 answer
How to add a fuction in python
Python
25 votes467 views2 answers
Start new app in django
Python Django
1 vote190 views1 answer
Python validate url
Python
1 vote222 views1 answer
Python cv2 imwrite
Python
2 votes196 views1 answer
How to reapete the code in python
Python
1 vote193 views1 answer
Pandas column rank
Python
0 vote205 views1 answer
How to make an app like word in python
Python
0 vote200 views1 answer
How to format a matrix to align all rows python
Python