Pylons

Pastes tagged with async  (Displaying 1 through 1 of 1)

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• (View) PylonsApp subclass for functions with no globals by Ben Bangert posted on Apr 24, 2008 at 07:28PM
  
  Tags: routes, async

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  # Mostly the same as the prior callable routing, except in middleware.py from routes import request_config import types def eat_blank_iters(app_iter, response, environ, start_response): content_written = False del response.headers['Content-Length'] while True: try: content = app_iter.next() except: if hasattr(app_iter, 'close'): app_iter.close() content_written = True break if content and not content_written: start_response(response.status, response.headerlist) yield content elif content: yield content if not content_written: start_response(response.status, response.headerlist) yield '' raise StopIteration class MyApp(PylonsApp): def resolve(self, environ, start_response): # Update the Routes config object in case we're using Routes config = request_config() config.redirect = self.redirect_to match = environ['wsgiorg.routing_args'][1] environ['pylons.routes_dict'] = match controller = match.get('func') if not controller: # Use existing lookup scheme if no classname is around controller = match.get('controller') if not controller: return else: return self.find_controller(controller) if self.log_debug: log.debug("Resolved URL to controller: %r", controller) return controller def dispatch(self, controller, environ, start_response): match = environ['wsgiorg.routing_args'][1] # Assume we're doing a single function if we have a func if 'func' in match: ctx = environ['pylons.pylons'] response = controller(ctx) if isinstance(response, types.GeneratorType): return eat_blank_iters(response, ctx.response, environ, start_response) else: del ctx.response.headers['Content-Length'] ctx.response.headers['Content-Length'] = len(response) start_response('200 OK', ctx.response.headers.items()) return [response] else: return PylonsApp.dispatch(self, controller, environ, start_response) # and routing.py now hooks up like so: map.connect('hello/:action', func=hello.hello, action='index') # and the function 'hello' in the controllers/hello.py module: def hello(ctx): yield '' yield 'hello world,' yield ' the environ is %s' % ctx.request.environ

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