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import fire
CONFIG = {
"preserve_insertion_order": False
}
CMD_SRC_KWARGS = """
SELECT ('hf://datasets/{src}/' || lo.arguments['splits']['{split}']) AS path, function
FROM (
SELECT unnest(li.loading_codes) AS lo, li.function[4:] as function
FROM (
SELECT unnest(libraries) as li
FROM read_json('https://datasets-server.huggingface.co/compatible-libraries?dataset={src}')
) WHERE li.function[:3] = 'pl.'
) WHERE lo.config_name='{config}';
""".strip()
CMD_SRC = """
CREATE VIEW src AS SELECT * FROM {function}('{path}');
""".strip()
CMD_DST = """
COPY ({query}) to 'tmp' (FORMAT PARQUET, ROW_GROUP_SIZE_BYTES '100MB', ROW_GROUPS_PER_FILE 5, PER_THREAD_OUTPUT true);
""".strip()
CMD_SRC_DRY_RUN = CMD_SRC[:-1] + " LIMIT 5;"
CMD_DST_DRY_RUN = "{query};"
DATA_CARD = "# Dataset Card for {dst}\n\nDataset prepared from [{src}](https://huggingface.co/datasets/{src}) using\n\n```\n{query}\n```\n"
def sql(src: str, dst: str, query: str, config: str = "default", split: str = "train", private: bool = False, dry_run: bool = False):
import os
import duckdb
from huggingface_hub import CommitScheduler, DatasetCard
class CommitAndCleanScheduler(CommitScheduler):
def push_to_hub(self):
for path in self.folder_path.with_name("tmp").glob("*.parquet"):
with path.open("rb") as f:
footer = f.read(4) and f.seek(-4, os.SEEK_END) and f.read(4)
if footer == b"PAR1":
path.rename(self.folder_path / path.name)
super().push_to_hub()
for path in self.last_uploaded:
path.unlink(missing_ok=True)
con = duckdb.connect(":memory:", config=CONFIG)
src_kwargs = con.sql(CMD_SRC_KWARGS.format(src=src, config=config, split=split)).df().to_dict(orient="records")
if not src_kwargs:
raise ValueError(f'Invalid --config "{config}" for dataset "{src}", please select a valid dataset config/subset.')
con.sql((CMD_SRC_DRY_RUN if dry_run else CMD_SRC).format(**src_kwargs[0]))
if dry_run:
print(f"Sample data from '{src}' that would be written to dataset '{dst}':\n")
result = con.sql(CMD_DST_DRY_RUN.format(query=query.rstrip("\n ;")))
print(result.df().to_markdown())
return
with CommitAndCleanScheduler(repo_id=dst, repo_type="dataset", folder_path="dst", path_in_repo="data", every=0.1, private=private):
con.sql("PRAGMA enable_progress_bar;")
result = con.sql(CMD_DST.format(query=query.rstrip("\n ;")))
DatasetCard(DATA_CARD.format(src=src, dst=dst, query=query)).push_to_hub(repo_id=dst, repo_type="dataset")
print("done")
if __name__ == '__main__':
fire.Fire(sql)
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