import win32file

def __touch(filename):
    """Create an empty file"""
    f = open(filename, "w")

def delete_locked_file(pathname):
    if 0 == win32file.MoveFileEx( pathname, None, \
        win32file.MOVEFILE_DELAY_UNTIL_REBOOT):
        raise OSError

__touch("c:\\deleteme1")
delete_locked_file("c:\\deleteme1")
__touch("c:\\deleteme2")
delete_locked_file("c:\\deleteme2")