_cprequest.py 文件源码

def run(self, point):
        """Execute all registered Hooks (callbacks) for the given point."""
        exc = None
        hooks = self[point]
        hooks.sort()
        for hook in hooks:
            # Some hooks are guaranteed to run even if others at
            # the same hookpoint fail. We will still log the failure,
            # but proceed on to the next hook. The only way
            # to stop all processing from one of these hooks is
            # to raise SystemExit and stop the whole server.
            if exc is None or hook.failsafe:
                try:
                    hook()
                except (KeyboardInterrupt, SystemExit):
                    raise
                except (cherrypy.HTTPError, cherrypy.HTTPRedirect,
                        cherrypy.InternalRedirect):
                    exc = sys.exc_info()[1]
                except:
                    exc = sys.exc_info()[1]
                    cherrypy.log(traceback=True, severity=40)
        if exc:
            raise exc