cftp.py 文件源码

def _printProgessBar(self, f, startTime):
        diff = time.time() - startTime
        total = f.total
        try:
            winSize = struct.unpack('4H', 
                fcntl.ioctl(0, tty.TIOCGWINSZ, '12345679'))
        except IOError:
            winSize = [None, 80]
        speed = total/diff
        if speed:
            timeLeft = (f.size - total) / speed
        else:
            timeLeft = 0
        front = f.name
        back = '%3i%% %s %sps %s ' % ((total/f.size)*100, self._abbrevSize(total),
                self._abbrevSize(total/diff), self._abbrevTime(timeLeft))
        spaces = (winSize[1] - (len(front) + len(back) + 1)) * ' '
        self.transport.write('\r%s%s%s' % (front, spaces, back))