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Script: make_dataset.py
Downloads the Amazon Reviews 2023 dataset from HuggingFace and
preprocesses it into clean parquet files ready for feature engineering.
Usage (inside activated venv):
python scripts/make_dataset.py
python scripts/make_dataset.py --debug # fast subset
python scripts/make_dataset.py --category Electronics
"""
from __future__ import annotations
import argparse
import sys
from pathlib import Path
# Allow running from repo root without installing the package
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
from src.config import ensure_dirs, get_config
from src.data.downloader import download_metadata, download_reviews
from src.data.preprocessor import preprocess
from src.data.splitter import run_split
from src.utils.logging import get_logger
logger = get_logger(__name__)
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Download and preprocess Amazon Reviews 2023.")
parser.add_argument("--debug", action="store_true", help="Use a small data subset.")
parser.add_argument("--category", type=str, default=None,
help="Amazon product category (default: from config).")
parser.add_argument("--skip-download", action="store_true",
help="Skip download if raw files already exist.")
return parser.parse_args()
def main() -> None:
args = parse_args()
cfg = get_config(debug=args.debug, category=args.category)
ensure_dirs(cfg)
logger.info("=== Stage 1: Download ===")
if args.skip_download and cfg.raw_reviews_path.exists() and cfg.raw_metadata_path.exists():
logger.info("Raw files already exist — skipping download.")
else:
download_reviews(cfg.data)
download_metadata(cfg.data)
logger.info("=== Stage 2: Preprocess ===")
interactions, metadata = preprocess(cfg.data)
logger.info("=== Stage 3: Split ===")
run_split(cfg.data, interactions)
logger.info("Dataset pipeline complete.")
logger.info(" interactions : %s", cfg.data.interactions_path)
logger.info(" metadata : %s", cfg.data.metadata_path)
logger.info(" train : %s", cfg.data.train_path)
logger.info(" val : %s", cfg.data.val_path)
logger.info(" test : %s", cfg.data.test_path)
if __name__ == "__main__":
main()
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