Python – Has anyone tracked down whether IronPython or IronRuby will support Attributes

If this is 'Which language runs better on the CLR,' then right now, IronPython wins hands down.

For the long term though, 'which language will teach me more, and serve me better in my career as a programmer', I would definitely say IronRuby (this would be true of CPython vs CRuby also)

Ruby will expose you to more 'concepts' than python does, due to it being more liberal in how it handles things like lambda functions, code blocks, eval, and so on.

Anyway, this is probably going to descend into a flame-war. Sorry

Some of my workmates are working on Ironclad, a project that will make extension modules for CPython work in IronPython. It's still in development, but parts of numpy, scipy and some other modules already work. You should try it out to see whether the parts of scipy you need are supported.

It's an open-source project, so if you're interested you could even help. In any case, some feedback about what you're trying to do and what parts we should look at next is helpful too.