A simple rayplay.it python downloader with no external dependencies

rpdl.py

from urllib.request import urlopen
import subprocess
import json
import argparse


def download(url):
    with urlopen(url.replace(".html", ".json")) as response:
        body = response.read()
        payload = json.loads(body)
        print(f"[rpdl]: downloading {payload['name']}")
        subprocess.run(
            [
                "ffmpeg",
                "-i",
                payload["video"]["content_url"],
                f"./{payload['name'].replace('/','-')}.mp4",
            ]
        )


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        prog="rpdl", description="download raiplay.it videos"
    )
    parser.add_argument("url", help="URL of the content to download")
    args = parser.parse_args()
    download(args.url)