python安装apk

import os
    import time
    class appInstall:
        def __init__(self,path):
            self.path = path
        def auto_install(self):
            #获取path路径下的所有文件
            files=os.listdir(self.path)
            for file in files:
                if file[len(file)-3:len(file)] == "apk":
                    string='adb install %s\\"%s"'%(self.path,file)
                    print(string)
                    os.popen(string)
                    print("%s 正在安装中....") % (file)
                    time.sleep(5)
    
            else:
                time.sleep(60)
                print("finished")
                time.sleep(1000)
    if __name__ == '__main__':
        path = input("请输入apk所在文件路径:")
        app = appInstall(path)
        app.auto_install()