在控制台中重写多行 [英] Rewrite multiple lines in the console
问题描述
我知道可以用 \r一致地重写终端中显示的最后一行,但是我很难确定是否有办法返回并编辑控制台中打印的前几行。 / p>
我想做的是为基于文本的RPG重新打印多行,但是,对于一个应用程序有一行专用于进度栏,另一个描述下载。
ie控制台将打印:
移动文件:NameOfFile.txt
总进度:[ ########] 40%
,然后适当地(两行)更新为
在Unix上,使用 curses 模块。
在Windows上,有几种选择:
- PDCurses: http:/ /www.lfd.uci.edu/~gohlke/pythonlibs/
- 上面链接的HOWTO建议控制台模块
- http://newcenturycomputers.net/projects/wconio.html
- http://docs.activestate.com/activepython/2.6/pywin32/win32console.html
使用诅咒的简单示例(我总共是诅咒n00b):
import curses
导入时间
def report_progress(文件名,进度):
进度:0-10
stdscr.addstr (0,0,正在移动文件:{0}。format(文件名))
stdscr.addstr(1,0,总进度:[{1:10}] {0}%。format(进度* 10,# *进度))
stdscr.refresh()
如果__name__ == __main__:
stdscr = curses.initscr()
curses.noecho()
curses.cbreak()
试试:
for i in range(10):
report_progress( file_ {0} .txt .format(i),i + 1)
time.sleep(0.5)
最后:
curses.echo()
curses.nocbreak()
curses .endwin()
I know it is possible to consistently rewrite the last line displayed in the terminal with "\r", but I am having trouble figuring out if there is a way to go back and edit previous lines printed in the console.
What I would like to do is reprint multiple lines for a text-based RPG, however, a friend was also wondering about this for an application which had one line dedicated to a progress bar, and another describing the download.
i.e. the console would print:
Moving file: NameOfFile.txt
Total Progress: [######## ] 40%
and then update appropriately (to both lines) as the program was running.
On Unix, use the curses module.
On Windows, there are several options:
- PDCurses: http://www.lfd.uci.edu/~gohlke/pythonlibs/
- The HOWTO linked above recommends the Console module
- http://newcenturycomputers.net/projects/wconio.html
- http://docs.activestate.com/activepython/2.6/pywin32/win32console.html
Simple example using curses (I am a total curses n00b):
import curses
import time
def report_progress(filename, progress):
"""progress: 0-10"""
stdscr.addstr(0, 0, "Moving file: {0}".format(filename))
stdscr.addstr(1, 0, "Total progress: [{1:10}] {0}%".format(progress * 10, "#" * progress))
stdscr.refresh()
if __name__ == "__main__":
stdscr = curses.initscr()
curses.noecho()
curses.cbreak()
try:
for i in range(10):
report_progress("file_{0}.txt".format(i), i+1)
time.sleep(0.5)
finally:
curses.echo()
curses.nocbreak()
curses.endwin()
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