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Preserve order of configs and splits when using Parquet exports #6526

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Merged
merged 3 commits into from
Dec 22, 2023
Merged

Preserve order of configs and splits when using Parquet exports #6526

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e34cd08
Preserve order of configs and splits
albertvillanova Dec 22, 2023
550b007
Add test
albertvillanova Dec 22, 2023
5c70bea
Rephrase
albertvillanova Dec 22, 2023
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41 changes: 26 additions & 15 deletions src/datasets/utils/metadata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -179,26 +179,37 @@ def _from_exported_parquet_files_and_dataset_infos(
exported_parquet_files: List[Dict[str, Any]],
dataset_infos: DatasetInfosDict,
) -> "MetadataConfigs":
return cls(
{
metadata_configs = {
config_name: {
"data_files": [
{
"split": split_name,
"path": [
parquet_file["url"].replace("refs%2Fconvert%2Fparquet", revision)
for parquet_file in parquet_files_for_split
],
}
for split_name, parquet_files_for_split in groupby(parquet_files_for_config, itemgetter("split"))
],
"version": str(dataset_infos.get(config_name, DatasetInfo()).version or "0.0.0"),
}
for config_name, parquet_files_for_config in groupby(exported_parquet_files, itemgetter("config"))
}
if dataset_infos:
# Preserve order of configs and splits
metadata_configs = {
config_name: {
"data_files": [
{
"split": split_name,
"path": [
parquet_file["url"].replace("refs%2Fconvert%2Fparquet", revision)
for parquet_file in parquet_files_for_split
],
}
for split_name, parquet_files_for_split in groupby(
parquet_files_for_config, itemgetter("split")
)
data_file
for split_name in dataset_info.splits
for data_file in metadata_configs[config_name]["data_files"]
if data_file["split"] == split_name
],
"version": str(dataset_infos.get(config_name, DatasetInfo()).version or "0.0.0"),
"version": metadata_configs[config_name]["version"],
}
for config_name, parquet_files_for_config in groupby(exported_parquet_files, itemgetter("config"))
for config_name, dataset_info in dataset_infos.items()
}
)
return cls(metadata_configs)

@classmethod
def from_dataset_card_data(cls, dataset_card_data: DatasetCardData) -> "MetadataConfigs":
Expand Down