spb/wp2_uqo Public

1#!/usr/bin/env python32# Author: Simon-Pierre Boucher — contact@spboucher.ai3#4"""Step 1 — Extract the house sample from data/raw/louka.db.56Output: data/processed/houses.parquet (n = 17,087 rows expected).7"""89import sys10from pathlib import Path1112sys.path.insert(0, str(Path(__file__).resolve().parents[1]))1314from src import config15from src.data import load_houses161718def main():19    print(f"Reading {config.DB_PATH} ...")20    df = load_houses(config.DB_PATH)21    print(f"  {len(df):,} houses with a valid price and description")22    print(f"  price: min=${df['price'].min():,.0f}  "23          f"median=${df['price'].median():,.0f}  max=${df['price'].max():,.0f}")2425    config.DATA_PROCESSED.mkdir(parents=True, exist_ok=True)26    df.to_parquet(config.HOUSES_PARQUET, index=False)27    print(f"  -> {config.HOUSES_PARQUET}")282930if __name__ == "__main__":31    main()32