I agree, WSGI has always seemed fine to me. About the only nitpick I can think of is that dealing with large streams of data (say a user-agent uploading a big

I agree, WSGI has always seemed fine to me. About the only nitpick I can think of is that dealing with large streams of data (say a user-agent uploading a big file) without either the web server / or the WSGI side of things reading the whole thing into memory or buffering it on disk can be a pain.