import requests
from pathlib import Path
from concurrent.futures import ThreadPoolExecutor

day = "2025-11-01"
index = requests.get(f"https://data.solarchive.org/txs/{day}/index.json").json()

output_dir = Path(day)
output_dir.mkdir(exist_ok=True)

def download(file):
    data = requests.get(file["url"]).content
    (output_dir / file["name"]).write_bytes(data)
    print(f"✓ {file['name']} ({len(data) / 1e6:.1f} MB)")

with ThreadPoolExecutor(max_workers=10) as executor:
    executor.map(download, index["files"])