python 获取键盘输入,同时有超时的功能示例

如下所示：

'''
###get keyboard input and timeout =5

import sys, time, msvcrt

def readinput( caption, default, timeout = 5):
 start_time = time.time()
 sys.stdout.write('%s(%s):'%(caption, default));
 input = ''
 while true:
  if msvcrt.kbhit():
   chr = msvcrt.getche()
   if ord(chr) == 13: # enter_key
    break
   elif ord(chr) >= 32: #space_char
    input += chr
  if len(input) == 0 and (time.time() - start_time) > timeout:
   break

 print '' # needed to move to next line
 if len(input) > 0:
  return input
 else:
  return default
  
readinput("test1",10)

'''

###catch keyboard input, if key == esc, stop 

import sys, time, msvcrt

def readkeyboardinput(timeout = 5):
 start_time = time.time()
 sys.stdout.write("if you want to stop test process,please click esc button");
 input = ''
 while true:
  if msvcrt.kbhit():
   chr = msvcrt.getche()
   if ord(chr) == 27: # esc
    return true
  if len(input) == 0 and (time.time() - start_time) > timeout:
   return false

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