django_tree_queries_recursive_treenode_model_with_depth_query.py

1from django.db import models
2from tree_queries.models import TreeNode
3
4class Node(TreeNode):
5    name = models.CharField(max_length=100)
6
7# Usage example:
8# 1. Create nodes
9root = Node.objects.create(name="Root")
10child = Node.objects.create(name="Child", parent=root)
11
12# 2. Query the tree (this adds 'tree_depth' and 'tree_path' to the objects)
13nodes = Node.objects.with_tree_fields()
14
15for node in nodes:
16    print(f"{'  ' * node.tree_depth}{node.name}")