Retrieving multiple columns from a Postgres function

I recently came across a problem retrieving multiple columns in Postgres, turns out the function needs to be treated as a table.

Easily access Cloud computing and files with python libcloud

I heard about libcloud on the podcast FLOSS 181, it makes it easy to access cloud things from Python. This example code lists all the file objects in all containers, to use this you will need to modify the API_ constants to your account.