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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"""Checkpoint persistence, discovery, and weight-layout conversion.""" 

16 

17from hyper_parallel.components.checkpoint.base import CheckpointerBase 

18from hyper_parallel.components.checkpoint.config import CheckpointingConfig 

19from hyper_parallel.components.checkpoint.conversion_ops import ( 

20 AddScalar, 

21 ConcatenateWithSections, 

22 DeinterleaveGateQKV, 

23 DeinterleaveQKV, 

24 InterleaveGateQKV, 

25 InterleaveQKV, 

26 Split, 

27) 

28from hyper_parallel.components.checkpoint.dcp_checkpointer import ( 

29 STEP_PREFIX, 

30 DistributedCheckpointer, 

31 initialize_optimizer_state, 

32) 

33from hyper_parallel.components.checkpoint.huggingface_checkpointer import ( 

34 HuggingFaceCheckpointer, 

35 resolve_hf_loader, 

36) 

37from hyper_parallel.components.checkpoint.huggingface_load_planner import ( 

38 HFLoadPlanner, 

39 load_hf_checkpoint, 

40) 

41from hyper_parallel.components.checkpoint.load_groups import LoadReport 

42from hyper_parallel.components.checkpoint.registry import ( 

43 CHECKPOINTER_REGISTRY, 

44 build_checkpointer, 

45) 

46 

47__all__ = [ 

48 "AddScalar", 

49 "CHECKPOINTER_REGISTRY", 

50 "CheckpointerBase", 

51 "CheckpointingConfig", 

52 "ConcatenateWithSections", 

53 "DeinterleaveGateQKV", 

54 "DeinterleaveQKV", 

55 "DistributedCheckpointer", 

56 "HFLoadPlanner", 

57 "HuggingFaceCheckpointer", 

58 "InterleaveGateQKV", 

59 "InterleaveQKV", 

60 "LoadReport", 

61 "STEP_PREFIX", 

62 "Split", 

63 "build_checkpointer", 

64 "initialize_optimizer_state", 

65 "load_hf_checkpoint", 

66 "resolve_hf_loader", 

67]