"""HuggingFace 模型加载工具：优先本地缓存，失败时自动下载"""

from typing import Callable, TypeVar

T = TypeVar("T")


def from_pretrained_local_first(loader: Callable[[bool], T]) -> T:
    """优先从本地缓存加载，失败时从 Hub 下载。loader(local_files_only: bool) -> model"""
    try:
        return loader(True)
    except Exception:
        return loader(False)