import json
import torch
import transformers
from transformers.utils import WEIGHTS_NAME, CONFIG_NAME
from transformers.utils.hub import cached_file


def load_config_hf(model_name):
    resolved_archive_file = cached_file(model_name, CONFIG_NAME, _raise_exceptions_for_missing_entries=False)
    return json.load(open(resolved_archive_file))


def load_state_dict_hf(model_name, device="cpu"):
    resolved_archive_file = cached_file(model_name, WEIGHTS_NAME, _raise_exceptions_for_missing_entries=False)
    return torch.load(resolved_archive_file, map_location=device)