django-mptt2
Based on the idea of the unmaintained django-mptt package i implemented this new code base to replace it.
Cause no other package fits all of my use cases, which are primary in fast reading tree’s from the database, i started working on this project.
There is an alternative to this package, called django-treebeard, which implements nested sets as well, but without a parent foreignkey.
Quick-Start
Install it as any other django app to your project:
$ pip install django-mptt2Add django-mptt2 to INSTALLED_APPS:
INSTALLED_APPS = [
# other apps
"mptt2"
]Inheritance from the abstract mptt2.models.Node Model:
from django.db import models
from mptt2.models import
class Genre(Node)
name = models.CharField(max_length=50, unique=True)Adding nodes:
from project.models import Genre
rock = Genre(name="Rock")
rock.insert_at() # it will become the root node without target parameter
metal = Genre(name="Metal")
metal.insert_at(target=rock) # it will become the last child from rock
alternative = Genre(name="Alternative")
alternative.insert_at(target=rock) # it will become the last child from rock, the right sibling of metalFor full usage description, please read the tutorial section of our documentation.
1 maintainer
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