Python SMB Connection

def makesmbconnection(driveletter,server,share,user,password,persistent):
    if (persistent==False):
        smbcommand = r"net use %s \\%s\%s %s /USER:%s /PERSISTENT:NO"%(driveletter,server,share,password,user)
    else:
        smbcommand = r"net use %s \\%s\%s %s /USER:%s /PERSISTENT:YES"%(driveletter,server,share,password,user)

    try:
        smbc = subprocess.Popen(smbcommand,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
        stdout, stderr = smbc.communicate()
        print "%s %s"%(stdout,stderr)
    except:
        print "error."


shell output:
>>> makesmbconnection("M:","127.0.0.1","D","Home","password",False)
net use M: \\127.0.0.1\D password /USER:Home /PERSISTENT:NO
The command completed successfully.

C:\Users\Home>M:
The system cannot find the drive specified.