python实现按任意键继续执行程序

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import os
import sys
import termios
def press_any_key_exit(msg):
# 获取标准输入的描述符
fd = sys.stdin.fileno()
# 获取标准输入(终端)的设置
old_ttyinfo = termios.tcgetattr(fd)
# 配置终端
new_ttyinfo = old_ttyinfo[:]
# 使用非规范模式(索引3是c_lflag 也就是本地模式)
new_ttyinfo[3] &= ~termios.ICANON
# 关闭回显(输入不会被显示)
new_ttyinfo[3] &= ~termios.ECHO
# 输出信息
sys.stdout.write(msg)
sys.stdout.flush()
# 使设置生效
termios.tcsetattr(fd, termios.TCSANOW, new_ttyinfo)
# 从终端读取
os.read(fd, 7)
# 还原终端设置
termios.tcsetattr(fd, termios.TCSANOW, old_ttyinfo)
if __name__ == “__main__”:
press_any_key_exit(“按任意键继续…”)
print ‘\n'

def getpass(prompt=”Password: “):
import termios, sys
fd = sys.stdin.fileno()
old = termios.tcgetattr(fd)
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ECHO
try:
termios.tcsetattr(fd, termios.TCSADRAIN, new)
passwd = raw_input(prompt)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old)
return passwd
passwd = getpass()
print passwd