P.J. Eby ha scritto: > At 01:25 PM 4/12/2010 +0200, Manlio Perillo wrote: >> The purpose of the extension if to just have a standard interface that >> WSGI applications can use to take advantage of the possibility, offered >> by asynchronous server, to suspend execution and resume it later. > > WSGI has this ability now - it's yielding an empty string. Yielding an > empty string is a hint to the server that the application is not ready > to send any output, and the server is free to schedule other > applications next. And WSGI does not require the application to be > rescheduled any time soon. > > In other words, if saying "don't call me for a while" is the purpose of > the extension, it is not needed. As Graham says, the thing that would > actually be needed is a way to tell the server when to poll the app again. >
Just yielding an empty string does not give the server some important informations. As an example, with x-wsgi.suspend application can specify a timeout, that tells the server that the application must be resumed before timeout milliseconds have elapsed. And x-wsgi.suspend returns a callable that, when called, tell the server to poll the app again. Regards Manlio _______________________________________________ Web-SIG mailing list Web-SIG@python.org Web SIG: http://www.python.org/sigs/web-sig Unsubscribe: http://mail.python.org/mailman/options/web-sig/archive%40mail-archive.com
