News and Updates
SQLAlchemy 0.9.1 Released
SQLAlchemy release 0.9.1 is now available.
This release is primarily a quick-hit regression release; as we moved fast through 0.9 betas only releasing a single beta, a couple of small regressions popped up since then; this release fixes those.
The release does however include one major, though experimental feature. After spending many hours on IRC with a particular user's use case of automatically generating relationship() objects for an existing schema, a new extension is proposed known as sqlalchemy.ext.automap. Automap expands upon the Declarative model as well as the "deferred reflection" class to attempt producing a full model at runtime based on a reflected, or otherwise non-mapped, schema collection. In some ways, Automap can more or less replace what the very famous SQLSoup extension has historically been used for, e.g. to generate classes on the fly based on a reflected schema. Automap expands on this idea by proposing simple logic to also generate rudimentary relationships between classes, and also is structured so as to interoperate smoothly with the Declarative mapping system that didn't exist when SQLSoup was created.
Download SQLAlchemy 0.9.1 on the Download Page.