Efficient searching through objects

[Tim Chase]

> relational database will be optimised to do these operations and so is
> likely to be faster still. I think there are a couple that Python
> works well with, but I've never looked into that -- others will no
> doubt be along with recommendations now I've raised the subject.

batteries-included support for sqlite[1] was added in 2.5 which 
would work pretty well for this application without the overhead 
(resource OR administrative) of something like MySQL or PostgreSQL.

-tkc

[1]
http://docs.python.org/library/sqlite3.html