> That being said, TurboGears does provide support for the SQLAlchemy  
> SQL
> toolkit / ORM.  If you use SQLAlchemy rather than SQLObject, you can
> use the migrate package (http://erosson.com/migrate) for doing schema
> evolution and migration.

> The migrate package was a Google Summer of Code project that I  
> mentored
> and provides the ability to manage and version your database changes
> over time, including creation/modification/removal of tables, columns,
> indexes, and constraints in a database independent way.

> The only other framework that provides something like this is Ruby on
> Rails' ActiveRecord ORM in its "migrations" package, but it is highly
> restrictive when it comes to what kinds of schemas are supported due
> to ActiveRecord's strict adherence to the design pattern of the same
> name.