Oct-28-2016, 10:00 AM
i found it, i must provide the full path to umount.
def umount(self): '''unmounts VirtualDVD''' #get virtualdvd folder home = QtCore.QDir.homePath() vpath = home + "/VirtualDVD" cmd = 'gksudo umount ' + vpath subprocess.Popen(str(cmd), shell=True, stdout=subprocess.PIPE)