update

swift/megatron/__init__.py

@@ -1,6 +1,10 @@
 # Copyright (c) Alibaba, Inc. and its affiliates.
 
-from .convert import convert_hf2megatron, convert_megatron2hf
-from .utils import init_megatron_env
+try:
+    from .init import init_megatron_env
+    init_megatron_env()
+except Exception:
+    # allows lint pass.
+    raise
 
-init_megatron_env()
+from .convert import convert_hf2megatron, convert_megatron2hf

swift/megatron/init.py

@@ -0,0 +1,38 @@
+import os
+import shutil
+import sys
+
+from swift.llm import git_clone_github
+from swift.utils import is_megatron_available, safe_ddp_context, subprocess_run
+
+
+def _rename_files():
+    megatron_patch_path = os.environ['PAI_MEGATRON_PATCH_PATH']
+    qwen_folders = ['toolkits/model_checkpoints_convertor/qwen']
+    for folder in qwen_folders:
+        dir_path = os.path.join(megatron_patch_path, folder)
+        for fname in os.listdir(dir_path):
+            old_path = os.path.join(dir_path, fname)
+            fname = fname.replace('qwen1.', 'qwen1_')
+            fname = fname.replace('qwen2.', 'qwen2_')
+            new_path = os.path.join(dir_path, fname)
+            if old_path != new_path and os.path.exists(old_path):
+                shutil.move(old_path, new_path)
+
+
+def init_megatron_env() -> None:
+    if 'MEGATRON_LM_PATH' not in os.environ:
+        os.environ['MEGATRON_LM_PATH'] = git_clone_github(
+            'https://github.com/NVIDIA/Megatron-LM', branch='core_r0.10.0')
+    if not is_megatron_available():
+        subprocess_run(['pip', 'install', '-e', os.environ['MEGATRON_LM_PATH']])
+    sys.path.append(os.environ['MEGATRON_LM_PATH'])
+
+    if 'PAI_MEGATRON_PATCH_PATH' not in os.environ:
+        os.environ['PAI_MEGATRON_PATCH_PATH'] = git_clone_github(
+            'https://github.com/alibaba/Pai-Megatron-Patch', commit_hash='v0.10.1')
+    sys.path.append(os.environ['PAI_MEGATRON_PATCH_PATH'])
+
+    # rename qwen1.5/2.5->qwen1_5/2_5 files
+    with safe_ddp_context('rename_files'):
+        _rename_files()

swift/megatron/utils.py

@@ -19,38 +19,6 @@
 logger = get_logger()
 
 
-def _rename_files():
-    megatron_patch_path = os.environ['PAI_MEGATRON_PATCH_PATH']
-    qwen_folders = ['toolkits/model_checkpoints_convertor/qwen']
-    for folder in qwen_folders:
-        dir_path = os.path.join(megatron_patch_path, folder)
-        for fname in os.listdir(dir_path):
-            old_path = os.path.join(dir_path, fname)
-            fname = fname.replace('qwen1.', 'qwen1_')
-            fname = fname.replace('qwen2.', 'qwen2_')
-            new_path = os.path.join(dir_path, fname)
-            if old_path != new_path and os.path.exists(old_path):
-                shutil.move(old_path, new_path)
-
-
-def init_megatron_env() -> None:
-    if 'MEGATRON_LM_PATH' not in os.environ:
-        os.environ['MEGATRON_LM_PATH'] = git_clone_github(
-            'https://github.com/NVIDIA/Megatron-LM', branch='core_r0.10.0')
-    if not is_megatron_available():
-        subprocess_run(['pip', 'install', '-e', os.environ['MEGATRON_LM_PATH']])
-    sys.path.append(os.environ['MEGATRON_LM_PATH'])
-
-    if 'PAI_MEGATRON_PATCH_PATH' not in os.environ:
-        os.environ['PAI_MEGATRON_PATCH_PATH'] = git_clone_github(
-            'https://github.com/alibaba/Pai-Megatron-Patch', commit_hash='v0.10.1')
-    sys.path.append(os.environ['PAI_MEGATRON_PATCH_PATH'])
-
-    # rename qwen1.5/2.5->qwen1_5/2_5 files
-    with safe_ddp_context('rename_files'):
-        _rename_files()
-
-
 def patch_megatron(tokenizer):
 
     def build_tokenizer(args):