The python runtime is fairly heavyweight, on the order of megabytes, unless I'm mistaken. This would be something that would be downloaded with every page reque

The python runtime is fairly heavyweight, on the order of megabytes, unless I'm mistaken. This would be something that would be downloaded with every page request (although it may be cached in most cases)... So I'm not sure it will be something you will want to use in a lot of places.