chore: import upstream snapshot with attribution

swift/model/npu_patch/__init__.py

@@ -0,0 +1,49 @@
+# Copyright (c) ModelScope Contributors. All rights reserved.
+from __future__ import annotations
+
+import sys
+from transformers.utils import strtobool
+
+from .fsdp import NPUCastError
+from .mindspeed import patch_mindspeed_te_cp_implementation
+
+_APPLIED = False
+_ENABLE_NPU_MODEL_PATCH_ARGS = ('--enable_npu_model_patch', '--enable-npu-model-patch')
+
+
+def _parse_model_patch_enabled(value: str) -> bool:
+    try:
+        return bool(strtobool(value))
+    except ValueError as exc:
+        raise ValueError('--enable_npu_model_patch must be true or false.') from exc
+
+
+def _is_model_patch_enabled_from_argv() -> bool:
+    for i, arg in enumerate(sys.argv):
+        if arg in _ENABLE_NPU_MODEL_PATCH_ARGS:
+            if i + 1 >= len(sys.argv) or sys.argv[i + 1].startswith('--'):
+                raise ValueError('--enable_npu_model_patch requires a value: true or false.')
+            return _parse_model_patch_enabled(sys.argv[i + 1])
+        if any(arg.startswith(f'{name}=') for name in _ENABLE_NPU_MODEL_PATCH_ARGS):
+            value = arg.split('=', 1)[1]
+            return _parse_model_patch_enabled(value)
+    return True
+
+
+def apply_all_patches() -> None:
+    global _APPLIED
+    if _APPLIED:
+        return
+
+    from . import env, fsdp
+
+    env.apply_patch()
+    fsdp.apply_patch()
+    # The model patch switch is checked only on the first import; monkey patches are not reversible.
+    if _is_model_patch_enabled_from_argv():
+        from . import model
+        model.apply_patch()
+    _APPLIED = True
+
+
+__all__ = ['NPUCastError', 'apply_all_patches', 'patch_mindspeed_te_cp_implementation']