downloads.py 文件源码

def sum_up(self):
        actually_downloaded = (self.status.downloaded
                               - self.status.resumed_from)
        time_taken = self.status.time_finished - self.status.time_started

        self.output.write(CLEAR_LINE)

        try:
            speed = actually_downloaded / time_taken
        except ZeroDivisionError:
            # Either time is 0 (not all systems provide `time.time`
            # with a better precision than 1 second), and/or nothing
            # has been downloaded.
            speed = actually_downloaded

        self.output.write(SUMMARY.format(
            downloaded=humanize_bytes(actually_downloaded),
            total=(self.status.total_size
                   and humanize_bytes(self.status.total_size)),
            speed=humanize_bytes(speed),
            time=time_taken,
        ))
        self.output.flush()