python配置yum源，,import sub

python配置yum源，,import sub

import subprocessimport sysimport osdef main():    try:        subprocess.call(["cd /etc/yum.repos.d/ && mkdir repo_bak && mv *.repo repo_bak/"], shell=True)        subprocess.call([" yum install wget -y && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo"], shell=True)        subprocess.call(["yum clean all && yum makecache && yum repolist"], shell=True)        sys.exit(0)    except Exception as e:        print(e)        sys.exit(1)if __name__ == ‘__main__‘:    main()

python配置yum源