collectors/ulb_creditcard.py

31 lines862 bytessha256 bbc0138767b6

"""ULB Credit Card Fraud collector via OpenML (did 1597, file_id 1673544).
Kaggle-original needs credentials; OpenML hosts the identical dataset
(284,807 rows, 492 frauds) as ARFF. Verified by the clean step.
"""
from __future__ import annotations
import json
import sys
from collectors import common
def collect() -> tuple[str, dict, bool]:
cfg = common.CONFIG["ulb_creditcard"]
filename = f"ulb_creditcard_{common.today()}.arff"
path, meta, cached = common.get_stream(cfg["arff_url"], "ulb_creditcard", filename, timeout=300)
info = {
"source": "ulb_creditcard",
"bytes": meta["bytes"],
"cached": cached,
"retrieved_at": meta["retrieved_at"],
"sha256": meta["sha256"],
}
print(json.dumps(info), file=sys.stderr)
return str(path), meta, cached
if __name__ == "__main__":
collect()