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support pre-tokenized parquet datasets #9351

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0a26975
support pre-tokenized parquet datasets
AbdulmalikDS Oct 25, 2025
fc02353
Update src/llamafactory/data/collator_tokenized.py
AbdulmalikDS Oct 25, 2025
bcc7016
Update src/llamafactory/data/collator_tokenized.py
AbdulmalikDS Oct 26, 2025
1126470
Update src/llamafactory/data/tokenized_parquet.py
AbdulmalikDS Oct 26, 2025
93b667b
Update src/llamafactory/data/tokenized_parquet.py
AbdulmalikDS Oct 26, 2025
5bdcea1
Update src/llamafactory/hparams/data_args.py
AbdulmalikDS Oct 26, 2025
eabd855
Update src/llamafactory/data/collator_tokenized.py
AbdulmalikDS Oct 29, 2025
f03fa2a
Update src/llamafactory/data/tokenized_parquet.py
AbdulmalikDS Oct 29, 2025
dc76323
Update src/llamafactory/hparams/data_args.py
AbdulmalikDS Oct 29, 2025
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Update src/llamafactory/data/tokenized_parquet.py 
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
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@AbdulmalikDS @gemini-code-assist
AbdulmalikDS and gemini-code-assist[bot] authored Oct 26, 2025
commit 112647003af4c74889ad803fda40542c1d9c921e
3 changes: 1 addition & 2 deletions src/llamafactory/data/tokenized_parquet.py
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Expand Up @@ -32,8 +32,7 @@
def _iter_parquet_rows(paths: list[str], ids_key: str, mask_key: Optional[str]) -> Iterable[dict[str, Any]]:
r"""Iterate over rows from multiple Parquet files, yielding pre-tokenized samples."""
for path in paths:
with open(path, "rb") as f:
pf = pq.ParquetFile(f)
with pq.ParquetFile(path) as pf:
for i in range(pf.num_row_groups):
table: pa.Table = pf.read_row_group(i)
ids_col = table[ids_key]
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