application.py 文件源码

def handle_with_processors(self):
        def process(processors):
            try:
                if processors:
                    p, processors = processors[0], processors[1:]
                    return p(lambda: process(processors))
                else:
                    return self.handle()
            except web.HTTPError:
                raise
            except (KeyboardInterrupt, SystemExit):
                raise
            except:
                print >> web.debug, traceback.format_exc()
                raise self.internalerror()

        # processors must be applied in the resvere order. (??)
        return process(self.processors)