A collection of open source projects I maintain.
Django CTE Trees
Django Adjacency-List trees using PostgreSQL Common Table Expressions (CTE). Its aim is to completely hide the management of tree structure.
Python Restorable Collections
Pickleable wrappers for Python collections with non-built-in type keys and cycles or self-references.
JSON Schema Toolkit
Programmatic building of JSON schemas (recursive field mappings) with validation, a Django JSON Field, and native PostgreSQL JSON type constraints.
Simple Greek GSIS VAT Registration Utilities
Official Python client on Greek Ministry of Finance's General Secretariat for Information Systems (GSIS) through open competition.