base.py 文件源码

def _handle_request_exception(self, e):
        if isinstance(e, Finish):
            # Not an error; just finish the request without logging.
            if not self._finished:
                self.finish(*e.args)
            return
        try:
            self.log_exception(*sys.exc_info())
        except Exception:
            app_log.error("Error in exception logger", exc_info=True)
        if self._finished:
            return
        if isinstance(e, HTTPError):
            self.response(e)
        else:
            self.response(HTTPError(log_message=repr(e)))