网上找到的判断平台的方法，特此记录
# -*- coding: utf-8 -*-
import platform
osName = platform.system()
if(osName == 'Windows'):
import windowsEngine as engine
elif(osName == 'Linux'):
import linuxEngine as engine
elif(osName == 'Darwin'):
import macEngine as engine
if __name__ == "__main__":
print(platform.system())
