Ok, I'm using WSGI every day but I haven't delved down into the details of it. But what would be the benefits of using WSGI Lite instead of the regular WSGI? Performance?
the only benefit is not using start_response() before returning your data.
well, that's not quite all. if you're writing middleware you sometimes have to write a some (mostly reusable) extra code to pass as the start_response() to other wsgi callables. (to access the headers and/or munge anything sent by .write() -- or disallow .write() entirely).