test_parquet.py

import logging
import os
import re

import pyarrow.parquet as pq
import pandas as p
import glob

if __name__ == '__main__':
    script_dir = os.path.dirname(os.path.abspath(__file__))
    output_folder = os.path.join(script_dir, "data")

    print(output_folder)

    files = glob.glob(f"{output_folder}/*.parquet")
    total = 0
    for f in files:
        tbl = pq.read_table(f, columns=[])  # lê só o metadata
        total += tbl.num_rows
    print("num_examples =", total)

    size_bytes = sum(os.path.getsize(f) for f in files)
    print("dataset_size =", size_bytes)