Simon Willison’s Weblog

15th May 2019 - Link Blog

django-lifecycle (via) Interesting alternative to Django signals by Robert Singer. It provides a model mixin class which over-rides the Django ORM’s save() method, tracking which model attributes have been changed. Then it lets you add methods to your model with a @hook annotation allowing you to specify things like “run this method before saving if the status changed” or “run this after an object has been deleted”.