python监控键盘输入实例代码_Python

本文研究的主要是python 监控键盘输入的相关代码，用到了os，sys，time等，具体实现代码如下：

									#!/usr/bin/env python  

									# -*- coding: utf-8 -*- 

									import os  

									import sys 

									import tty, termios 

									import time   

									if __name__ == '__main__': 

									  print "Reading form keybord"

									  print """  i 

									j k l 

									  m"""

									  print 'press Q to quit'

									  while True: 

									    fd=sys.stdin.fileno() 

									    old_settings=termios.tcgetattr(fd) 

									    #old_settings[3]= old_settings[3] & ~termios.ICANON & ~termios.ECHO  

									    try: 

									      tty.setraw(fd) 

									      ch=sys.stdin.read(1) 

									    finally: 

									      termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)  

									      #print 'error' 

									    if ch=='i': 

									      print 'move forward'

									    elif ch=='m': 

									      print 'move back'

									    elif ch=='j': 

									      print "turn left!"

									    elif ch=='l': 

									      print "turn right!"

									    elif ch=='u': 

									      print "turn right!"

									    elif ch=='o': 

									      print "turn right!"

									    elif ch=='k': 

									      print "stop motor!"

									    elif ch=='q': 

									      print "shutdown!"

									      break

									    elif ord(ch)==0x3: 

									      #这个是ctrl c 

									      print "shutdown"

									      break

									    print "Reading form keybord"

									    print """  i 

									j k l 

									  m"""

									    print 'press Q or ctrl+c to quit'

									    #rate.sleep()