Python中實現(xiàn)輸入超時及如何通過變量獲取變量名

import threading
def anyFunction(aaa):
 return str(aaa) #某種處理結(jié)果, 比如字符串
def manualInput(xxx):
 data = input("請輸入%s: " % xxx)
 pass # 各種處理(比如數(shù)據(jù)轉(zhuǎn)換什么的)
 
exampleThread = threading.Thread(target = manualInput, args = ( anyFunction("汪汪汪"), ), name = "喵喵喵")
exampleThread.start()

print(id("喵喵喵"),"~~", id("喵喵喵"),"~~", id("喵喵喵"),"~~")
[Out]: 
1392371317520 ~~ 1392371317520 ~~ 1392371317520 ~~
print(id("喵喵喵")); print(id("喵喵喵")); print(id("喵喵喵"))
[Out]: 
1392371318576
1392371318000
1392371318288

test = "some values"   
變量A = "汪汪汪" 
當前所有變量 = globals().copy()
print(當前所有變量)

[Out]:
{'__name__': '__main__',..., 'test': 'some values', '變量A': '汪汪汪'}

內(nèi)容_變量名字符串對照表 = {} 
for 變量名, 變量值 in 當前所有變量.items():
 內(nèi)容_變量名字符串對照表[id(變量值)] = 變量名
print(內(nèi)容_變量名字符串對照表)

[Out]:
{2437914516272: '__name__',..., 2437948462576: 'test', 2437948432816:'變量A'}

變量A的值 = 變量A
print(id(變量A的值)
[Out]:
2437948432816
內(nèi)容_變量名字符串對照表[id(變量A的值)]
[Out]:
'變量A'

def 一個實現(xiàn)變量修改函數(shù)(要改的變量, 提示語):
 當前所有變量 = globals().copy()
 變量id表 = {}
 for 變量名, 變量值 in 當前所有變量.items():
  變量id表[id(變量值)] = 變量名
 待改的變量的原名 = 變量id表[id(要改的變量)]
 新的內(nèi)容 = str(input(提示語))
 if len(新的內(nèi)容) > 0 :
  globals()[待改的變量的原名] = 新的內(nèi)容
 return 待改的變量的原名
tmp = "汪汪汪"

[Out]:
請輸入新值: 喵喵喵
 'tmp'
print(tmp)
[Out]:
喵喵喵

import time, threading
# 這里的demo是為了通用化. 因為在一個線程中再嵌套另個線程的話, 嵌套的線程獲取不到所有變量
class ThreadWithReturn(threading.Thread):
 def __init__( self, target = None, args = () ):
  super(ThreadWithReturn,self).__init__()
  self.func = target
  self.args = args
 def run(self):
  self.result = self.func(*self.args)
 def getResult(self):
  try:
   return self.result
  except Exception as errInfo:
   print("遇到錯誤: ", errInfo)
   return None
def 一個實現(xiàn)變量修改函數(shù)(要改的變量, 提示語):
 當前所有變量 = globals().copy()
 變量id表 = {}
 for 變量名, 變量值 in 當前所有變量.items():
  變量id表[id(變量值)] = 變量名
 try:
  待改的變量的原名 = 變量id表[id(要改的變量)]
 except KeyError:
  print("***debug: 在不同的線程中運行, 獲取不到出入變量的名字")
  待改的變量的原名 = None
 新的內(nèi)容 = str(input(提示語))
 if len(新的內(nèi)容) > 0 :
  if 待改的變量的原名 != None:
   globals()[待改的變量的原名] = 新的內(nèi)容
 else:
  新的內(nèi)容 = None
 return [待改的變量的原名, 新的內(nèi)容]
def Gexit():
 exitConfirm = "u"
 waitForConirm = ThreadWithReturn( target = 一個實現(xiàn)變量修改函數(shù), args = (exitConfirm, "收到了退出信號, 默認30秒后退出, 是否現(xiàn)在退出呢? (Y/n) 請輸入: ",) )
 waitForConirm.start()
 waitForConirm.join(30)
 try:
  exitConfirm = waitForConirm.getResult()[1]
  print("***debug, got:", exitConfirm)
 except Exception as errInfo:
  print("***debug:", errInfo)
  exitConfirm = "u"
 if exitConfirm == "u":
  print("等待超時, 開始退出流程...")
  exitConfirm = "Ytt"
 if exitConfirm == "Ytt" or exitConfirm == "Y":
  if exitConfirm == "Y":
   print("確認退出, 開始退出流程...")
   pass # 這里放程序退出邏輯
 if exitConfirm == "n":
  print("取消退出, 繼續(xù)運行...")
  pass # 這里放繼續(xù)運行的邏輯
 return 0
Thread_waitForExit = threading.Thread(target = Gexit, args = ())
Thread_waitForExit.start()
Thread_waitForExit.join(45)