python3-django-lifecycle-1.0.0-1.lbn36.noarch

Django Lifecycle Hooks

This project provides a @hook decorator as well as a base model and mixin to add lifecycle hooks to your Django models. Django's built-in approach to offering lifecycle hooks is Signals. However, my team often finds that Signals introduce unnecessary indirection and are at odds with Django's "fat models" approach. Django Lifecycle Hooks supports Python 3.5, 3.6, 3.7, 3.8 and 3.9, Django 2.0.x, 2.1.x, 2.2.x, 3.0.x and 3.1.x. In short, you can write model code like this: from django_lifecycle import LifecycleModel, hook, BEFORE_UPDATE, AFTER_UPDATE

class Article(LifecycleModel): contents = models.TextField() updated_at = models.DateTimeField(null=True) status = models.ChoiceField(choices=[draft, 'published']) editor = models.ForeignKey(AuthUser)

@hook(BEFORE_UPDATE, when=contents, has_changed=True) def on_content_change(self): self.updated_at = timezone.now()

@hook(AFTER_UPDATE, when="status", was="draft", is_now="pub