Super basic Amazon SimpleDB authentication tutorial?

I'm a Simple DB newb and am looking for some step-by-step instructions about how to generate the correct signature. Some of the tutorials/sample code I'm seeing say it's a combination of a timestamp, the service you're using, and the method you're requesting be done on that service. Is this correct? I speak python if someone can pro开发者_如何转开发vide code to generate it...

You'll want to use boto. It's documentation is really great, and they have a page specifically about SimpleDB.

You may like to view this: http://www.youtube.com/watch?v=9YEGwmYejt4