我正在尝试使用python包装器运行某些命令，但命令未运行

Question

我正在运行此python包装程序，但是在提取tar文件后，它没有执行此命令-“ cd FVSDD_Automation”，因为pwd命令显示它仍在根目录中。因此，其余代码未正确执行，其余代码崩溃了。

#!/usr/bin/python

import sys, os
import shlex, subprocess
import time

sut = sys.argv[1]
pp = sys.argv[2]
sut_adapter = sys.argv[3]
pp_adapter = sys.argv[4]
switch_ip = sys.argv[5]
switch = sys.argv[6]
node_type = sys.argv[7]
hmc_name = sys.argv[8]
gsa_id = sys.argv[9]
gsa_pass = sys.argv[10]

f_name = sys.argv[1] + "_" + sys.argv[2] + ".p.config" 

args_str="config_gen.pl {} {} {} {} {} {} {} {}".format(sut, pp, sut_adapter, pp_adapter, switch_ip, switch, node_type, hmc_name)
args_str2="/framework/scripts/ts//ts /testrepo/DD/NDD/fvndd_dedicated.p -t standard_frames_dedicated -c 4 -g /Jenkins/config/{}".format(f_name)

def test_install():

        os.system("tar xvf FVSDD_Automation.tar")
        time.sleep(10)
        os.system("cd FVSDD_Automation")

        arg_str = "AUTO_INSTALL.pl -i all {} {}".format(gsa_id, gsa_pass)
        arg = shlex.split(arg_str)
        pipe = subprocess.Popen(arg,bufsize=-1,stdin=subprocess.PIPE,stderr=subprocess.PIPE)
        pipe.communicate()
        print pipe.returncode

def test_run():

        args2 = shlex.split(args_str2)
        pipe = subprocess.Popen(args2,bufsize=-1,stdin=subprocess.PIPE,stderr=subprocess.PIPE)
        print pipe.communicate()
        print pipe.returncode
        sys.stdin.close()
        sys.exit(os.EX_OK)

def main():

        args = "ls -d framework"
        arg = shlex.split(args)
        p = subprocess.Popen(arg,bufsize=-1,stdin=subprocess.PIPE,stderr=subprocess.PIPE)
        p.communicate()
        output = p.returncode

        if output != 0:

                  test_install()

        else:

                  print ("The installation is already done")

        args = shlex.split(args_str)
        pipe = subprocess.Popen(args,bufsize=-1,stdin=subprocess.PIPE,stderr=subprocess.PIPE)
        print pipe.communicate()
        print pipe.returncode 

        test_run()

if __name__== "__main__":
        main()