parquet to json

import parquet
// pip3 install parquet

import json
import glob

def parquet2json(filename):
    print(filename)
    with open(filename, "rb") as fo:
        output = "{}.json".format(filename)
        rows = []
        for row in parquet.reader(fo):
            rows.append(row)
        with open(output, 'w') as outfile:
            json.dump(rows, outfile)