A Django module for managing hierarchical data models through a node tree, with kinship relationship queries and optional database-native optimisations.
Project description
Clade
A Django module for managing hierarchical data models through a tree of nodes, with kinship relationship queries and optional database-native optimisations.
Status
Pre-development — v0.0.5 in progress. Not yet usable.
See the milestones and open issues on GitLab for the full roadmap.
What it does
Clade provides a Django application for modelling and querying tree-structured data. It exposes the full set of kinship relationships derivable from a node tree — not only parent/child pairs, but ancestors, descendants, siblings, and collateral lines (piblings, niblings, cousins…) — using gender-neutral terminology throughout.
It also introduces Affinity: a lateral relationship between nodes that share attribute values without any hierarchical link between them.
The module targets multiple database backends:
- PostgreSQL with
ltree— native optimisation (primary target) - SQLite / other — pure-Django fallback
Install
Not yet published. Instructions will be added at
v0.1.0.
pip install clade # future
# settings.py
INSTALLED_APPS = [
...
"clade",
]
Requirements
- Python 3.10+
- Django 5.2+
Contributing
See CONTRIBUTING.md and CODE_OF_CONDUCT.md.
Licence
Apache License 2.0 — see LICENSE.txt and NOTICE.
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