Sample repository to lean Django Signals in small script Using Python.
In a nutshell, signals allow certain senders to notify a set of receivers that some action has taken place. They're especially useful when many pieces of code may be interested in the same events. Django provides a set of built-in signals that let user code get notified by Django itself of certain actions.
- https://docs.djangoproject.com/en/2.2/ref/signals/#post-save
- https://docs.djangoproject.com/en/2.2/topics/signals/
- https://docs.djangoproject.com/en/2.2/ref/signals/
- https://simpleisbetterthancomplex.com/tutorial/2016/07/28/how-to-create-django-signals.html
- https://coderwall.com/p/ktdb3g/django-signals-an-extremely-simplified-explanation-for-beginners