import subprocess, ctypes, sys

# Make sure we run as admin
def is_admin():
    try:
        return ctypes.windll.shell32.IsUserAnAdmin()
    except:
        return False

if is_admin():
    # Disconnect anything on M
    subprocess.call(r'net use m: /del', shell=True)

    # Connect to shared drive, use drive letter M
    subprocess.call(r'net use m: \\10.0.15.40\support.private /user:ivaylo.marinov NNdredscott44', shell=True)

    # Run auto installer
    subprocess.call(r'M:\test\vray4installer.exe -auto', shell=True)

else:
    # Re-run the program with admin rights
    ctypes.windll.shell32.ShellExecuteW(None, "runas", sys.executable, __file__, None, 1)