GeoAlchemy 2 provides extensions to SQLAlchemy for working with spatial
databases. GeoAlchemy 2 focuses on PostGIS. PostGIS 1.5 and PostGIS 2 are
supported. GeoAlchemy 2 aims to be simpler than its predecessor, GeoAlchemy.
Simpler to use, and simpler to maintain.

WWW: https://github.com/geoalchemy/geoalchemy2