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feat: add from_parquet to dataloader #483

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feat: add from_parquet to dataloader #483

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910606a
revert to python types and remove conflics
JamesHWade Mar 4, 2024
04087c4
Merge branch 'stanfordnlp:main' into feat/add-from-parquet-to-dataloader
JamesHWade Mar 4, 2024
f98f112
Merge branch 'stanfordnlp:main' into feat/add-from-parquet-to-dataloader
JamesHWade Mar 6, 2024
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9 changes: 8 additions & 1 deletion dspy/datasets/dataloader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,14 @@ def from_json(self, file_path:str, fields: List[str] = None, input_keys: Tuple[s

return [dspy.Example({field:row[field] for field in fields}).with_inputs(*input_keys) for row in dataset]

def from_parquet(self, file_path: str, fields: List[str] = None, input_keys: Tuple[str] = ()) -> List[dspy.Example]:
dataset = load_dataset("parquet", data_files=file_path)["train"]

if not fields:
fields = list(dataset.features)

return [dspy.Example({field: row[field] for field in fields}).with_inputs(input_keys) for row in dataset]

def sample(
self,
dataset: List[dspy.Example],
Expand Down Expand Up @@ -110,4 +117,4 @@ def train_test_split(
train_dataset = dataset_shuffled[:train_end]
test_dataset = dataset_shuffled[train_end:train_end + test_end]

return {'train': train_dataset, 'test': test_dataset}
return {'train': train_dataset, 'test': test_dataset}
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