obj = suprocess.Popen("cmd.exe /k",stdin = subprocess.PIPE,stdout = subporcess.PIPE,stderr = subprocess.PIPE)
obj.stdin.write(cmd) #vs环境设置
obj.stdin.write("nmake\n")
if obj.returncode !=0:
print "Non zero exit code:",obj.returncode
sys.exit(0)
这段代码无法获得namke的returncode，导致编译失败时，无法正常退出，哪位大神指点一下？
