Coverage for hyper_parallel / core / checkpoint / saver.py: 91%

1# Copyright 2026 Huawei Technologies Co., Ltd 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14# ============================================================================ 

15"""Save checkpoint to safetensors.""" 

16from pathlib import Path 

17from typing import Union 

18 

19from hyper_parallel.core.checkpoint.util import check_path, has_valid_filename 

20from hyper_parallel.platform import get_platform 

21 

22platform = get_platform() 

23 

24 

25def save_checkpoint(save_obj, file_path: Union[Path, str]) -> None: 

26 """ 

27 Save model checkpoint parameters to a file using safetensors format. 

28 

29 Args: 

30 save_obj (Any): Net instance containing parameters to save. Can be a Cell or a Module. 

31 file_path (Union[Path, str]): The path or file to save checkpoint parameters. Path must contain the file name 

32 with extension. 

33 """ 

34 file_path_obj = Path(file_path) if isinstance(file_path, str) else file_path 

35 if not has_valid_filename(file_path_obj): 

36 raise ValueError(f"Saver file_path should contains valid filename but get: {file_path}") 

37 

38 # Create parent directory 

39 check_path(file_path_obj.parent) 

40 platform.save_checkpoint(save_obj, str(file_path_obj))