rj_downloader.py

import logging

import requests
import json
import re
from subprocess import call
import validators


def get_download_link(link):
    media_type = re.split(r"/", link)[3]
    file_name = re.split(r"/", link)[5]

    session = requests.Session()
    response = session.get(f"https://www.radiojavan.com/{media_type}/{media_type[:-1]}_host/?id={file_name}")
    base_url = str(json.loads(response.text)["host"])
    if media_type == "podcasts":
        return f"{base_url}/media/podcast/mp3-256/{file_name}.mp3"
    elif media_type == "mp3s":
        return f"{base_url}/media/mp3/{file_name}.mp3"
    elif media_type == "videos":
        return f"{base_url}/media/music_video/hq/{file_name}.mp4"
    else:
        return None


if __name__ == "__main__":
    while True:
        media_link = input("Enter a link: ")
        if not validators.url(media_link):
            print("Please input a valid URL")
            continue
        break

    download_link = None
    try:
        download_link = get_download_link(media_link)
    except Exception as e:
        logging.exception(e)

    if download_link:
        call(["wget", download_link])
    else:
        print("Sorry, unsupported link!")