On Tue, Feb 21, 2012 at 10:35 AM, Sylvain Hellegouarch <s...@defuze.org> wrote: > > > On Tue, Feb 21, 2012 at 10:31 AM, Graham Dumpleton > <graham.dumple...@gmail.com> wrote: >> >> On 21 February 2012 20:26, Simon Sapin <simon.sa...@exyr.org> wrote: >> > Le 21/02/2012 09:23, Tarek Ziadé a écrit : >> > >> >> Instead of having to provide two or three objects separately to a >> >> server, how about making the callbacks attributes of the application >> >> callable? >> >> >> >> >> >> can you show us an example ? >> > >> > >> > Proposal: >> > >> > Function-based: >> > >> > def startup(): >> > return open_resource(something) >> > >> > def shutdown(resource): >> > resource.close() >> > >> > def application(environ, start_response): >> > # ... >> > return response_body >> > >> > application.startup = startup >> > application.shutdown = shutdown >> > >> > Class-based: >> > >> > class App(object): >> > def startup(self): >> > return open_resource(something) >> > >> > def shutdown(self, resource): >> > resource.close() >> > >> > def __call__(self, environ, start_response): >> > # ... >> > return response_body >> > >> > application = App() >> > >> > The return value of startup() can be any python object and is opaque to >> > the >> > server. It is passed as-is to shutdown() >> > >> > startup() could take more parameters. Maybe the application (though can >> > we >> > already have it as self for class-based or in a closure for >> > function-based) >> >> You do realise you are just reinventing context managers? >> >> With this 'application' do requests. >> >> But then it was sort of suggested that was a bit too radical idea when >> I have mentioned viewing it that way before. :-( >> > > One might wonder if having access to process management should be part of > WSGI in the first place. >
that's the thing. This is no more a gateway. Like I said in my previous post, maybe having another spec describing a web app package would do the trick? - benoît _______________________________________________ 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
