vmGuestLib [Python] [ctypes]

guestlib.py

from ctypes import CDLL, c_void_p, byref
from ctypes.util import find_library

# The following code fails on ubuntu 18.04, but succeeds on 14.04

lib = CDLL(find_library('guestlib'))
handle = c_void_p()
ret = lib.VMGuestLib_OpenHandle(byref(handle))
if ret != 0:
    raise RuntimeError("failed to get handle")
ret = lib.VMGuestLib_UpdateInfo(handle.value)
if ret != 0:
    raise RuntimeError("unable to update guest information")