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Ensure Temporary Files (input_embeddings.pt or output_embeddings.pt) Are Saved in Relative Directory #1482

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Ensure Temporary Files (input_embeddings.pt or output_embeddings.pt) Are Saved in Relative Directory #1482

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445c951
Update _utils.py
COYLNOR Dec 28, 2024
a9b1eab
Update _utils.py
COYLNOR Jan 15, 2025
0d08c3b
Update _utils.py
COYLNOR Jan 15, 2025
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17 changes: 17 additions & 0 deletions unsloth/models/_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -735,8 +735,25 @@ def _prepare_backend(
# Offloading to disk for modules (lm_head, embed_tokens)
import pickle

def is_writeable(path):
"""Check if the given path is writeable."""
try:
testfile = os.path.join(path, ".write_test")
os.makedirs(path, exist_ok=True)
with open(testfile, "w") as f:
f.write("")
os.remove(testfile)
return True
except (OSError, IOError):
return False
pass


def offload_to_disk(W, model, name, temporary_location : str = "_unsloth_temporary_saved_buffers"):
file_location = os.path.join(temporary_location, model.config._name_or_path)
if not is_writeable(file_location):
file_location = os.path.join(temporary_location, os.path.basename(model.config._name_or_path))
pass
if not os.path.exists(file_location):
os.makedirs(file_location)
pass
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