django-closure-tree 0.2.2

Django closure tree model.

Abstract base model for creating a Closure Tree using a recursive Postgres view.

http://schinckel.net/2016/01/27/django-trees-via-closure-view/

Usage

Inherit from the Node model:

from closure_tree.models import Node


class MyNode(Node):
    name = models.CharField(max_length=30)

Create migrations:

$ ./manage.py makemigrations

Add the CreateTreeClosure migration step:

$ ./manage.py makemigrations --empty myapp

from closure_tree.migrations import CreateTreeClosure

class Migration(migrations.Migration):

    dependencies = [
        ('dummy', '0001_initial'),
    ]

    operations = [
        CreateTreeClosure('MyNode'),
    ]