Download audio files from youtube links in a reddit thread

TUNE.py

#!/usr/bin/env python3

"""
Download audio files from youtube links in a reddit thread.
Works a treat on /r/music/

Usage:
   ./TUNE.py <url>

Requirements: youtube-dl, beautifulsoup4, python>=3.5
"""

import sys
import requests

from bs4 import BeautifulSoup
from subprocess import run


YOUTUBE_URLS = ['youtube.com', 'youtu.be']


def tunes(url):
    response = requests.get(url)
    soup = BeautifulSoup(response.content, 'html.parser')
    commentarea = soup.find_all(attrs={'class': 'commentarea'})

    if len(commentarea) == 1:
        comments = commentarea[0]
        links = comments.find_all('a')

        for l in links:
            href = l.attrs.get('href')
            if href and any([x in href for x in YOUTUBE_URLS]):
                print('Downloading:', href)
                run(['youtube-dl', '-f', 'm4a', href])
    else:
        print("commentarea not found, you've probably been rate limited (wait 2 seconds and try again)")
        print("Status code:", response.content)


if __name__ == '__main__':
    url = sys.argv[-1]

    if url.startswith('http'):
        tunes(url)
    else:
        print("Usage:")
        print("  ./TUNE.py <url>")