green.py 文件源码

def readline(self, max_bytes=-1):
        timer = None
        if self._readtimeout:
            timer = Timeout(self._readtimeout)
            timer.start()
        try:
            if max_bytes > 0:
                buff = yield self._iostream.read_until('\n', max_bytes=max_bytes)
            else:
                buff = yield self._iostream.read_until('\n')
            raise Return(buff)
        except TimeoutException:
            self.close()
            raise
        finally:
            if timer:
                timer.cancel()