import gzip
from concurrent.futures import ProcessPoolExecutor
import random
from tqdm.auto import tqdm
MONTHS = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"]
def process_month(month):
    train = gzip.open(f"train/2022-{month}.jsonl.gz", "wb")
    val = gzip.open(f"val/2022-{month}.jsonl.gz", "wb")
    test = gzip.open(f"test/2022-{month}.jsonl.gz", "wb")

    with gzip.open(f"all/2022-{month}.jsonl.gz", "rb") as f:
        for i, line in tqdm(enumerate(f)):
            rand = random.random()
            if rand <= 0.001:
                val.write(line)
            elif rand <= 0.002:
                test.write(line)
            else:
                train.write(line)

    train.close()
    val.close()
    test.close()

ppe = ProcessPoolExecutor(12)
for _ in ppe.map(process_month, MONTHS):
    ...

ppe.shutdown()
print("Done!")

ppe.shutdown()
print("Done!")