return shortest checkpoint title match

            checkpoints_list[title] = CheckpointInfo(filename, title, h, model_name)

def get_closet_checkpoint_match(searchString):

    checkpointValues = checkpoints_list.values()

    applicable = [info for info in checkpointValues if searchString.upper() == ''.join(info.title.rpartition('.ckpt')[0]).upper()]

    if len(applicable) == 0:

        applicable = [info for info in checkpointValues if searchString.upper() == ''.join(info.title.rpartition('.ckpt')[:2]).upper()]

    if len(applicable) == 0:

        applicable = [info for info in checkpointValues if searchString in info.title]

    applicable = sorted([info for info in checkpoints_list.values() if searchString in info.title], key = lambda x:len(x.title))

    if len(applicable)>0:

        return applicable[0]

    return None

def model_hash(filename):