import sys
import win32file
import winioctlcon
def object_id(filename):
    NTFS OBJECT_ID
    fhandle = win32file.CreateFileW(
        # FileName
        filename,
        # DesiredAccess
        win32file.GENERIC_READ,
        # ShareMode
        win32file.FILE_SHARE_READ | win32file.FILE_SHARE_WRITE,
        # SecurityAttributes
        None,
        # CreationDisposition
        win32file.OPEN_EXISTING,
        # FlagsAndAttributes
    obj_id = win32file.DeviceIoControl(
        # Device : PyHANDLE
        # Handle to a file, device, or volume
        fhandle,
        # IoControlCode : int
        # IOControl Code to use, from winioctlcon
        winioctlcon.FSCTL_CREATE_OR_GET_OBJECT_ID,
        # InBuffer : str/buffer
        # The input data for the operation, can be None for some operations.
        None,
        # OutBuffer : int/buffer
        # Size of the buffer to allocate for output, or a writeable buffer as
        # returned by win32file::AllocateReadBuffer.
        # Overlapped=None : PyOVERLAPPED An overlapped object for async
        # operations. Device handle must have been opened with
        # FILE_FLAG_OVERLAPPED.