python使用定时器和检测程序是否运行

　　网上有很多代码，此方法可行：
　　非常不错！

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def an2_anbdj(self,event):
    fow=gg.fileopenbox("打开文件以恢复分区数据",default='*.bin',filetypes=['*.bin','*.img','*.*'])
    if len(fow)!=0:
        sups.run("android\\fastboot.exe flash "+self.bjk1.Value+" "+ fow,shell=True)
        def pros():
            p = sups.run('tasklist | findstr fastboot.exe',shell=True)
            pp = str(p)
            if int(pp[-2]) == 0:
                timerx = threading.Timer(2, pros())
                timerx.start()
            else:
                gg.msgbox("分区数据恢复成功！", "消息提示", ok_button="确定")
        timerx = threading.Timer(2, pros())
        timerx.start()

def an8_anbdj(self,event):
    try:
        sups.run('taskkill.exe /T /F /IM adb.exe',shell=True)
        sups.run('taskkill.exe /T /F /IM fastboot.exe',shell=True)
    finally:
        pass

def an9_anbdj(self,event):
    try:
        sups.run('android\\adb.exe reboot', shell=True,timeout=1)
        sups.run('android\\fastboot.exe reboot', shell=True,timeout=1)
    finally:
        pass