Simon Willison’s Weblog

django-mptt (via) Jonathan Buchanan’s simple utility for performing Modified Preorder Tree Traversal (efficient tree operations in SQL) on Django models.

Posted 29th December 2007 at 11:33 am

Recent articles

A new SQL-powered permissions system in Datasette 1.0a20 - 4th November 2025
New prompt injection papers: Agents Rule of Two and The Attacker Moves Second - 2nd November 2025
Hacking the WiFi-enabled color screen GitHub Universe conference badge - 28th October 2025

django 577 djangoorm 3 jonathan-buchanan 1 models 4 modifiedpreordertreetraversal 1 mptt 1 python 1203 sql 106

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