yt-dlp python script to download audio files of asmr videos, depends on yt-dlp and python-slugify

asmr.py

import argparse, yt_dlp
from slugify import slugify

parser = argparse.ArgumentParser()
parser.add_argument('url', metavar='URL|ID', nargs='+', help='a YouTube URL or ID (example: https://www.youtube.com/watch?v=dQw4w9WgXcQ or dQw4w9WgXcQ)')
args = parser.parse_args()

for url in args.url:
    class slugifyPP(yt_dlp.postprocessor.PostProcessor):
        def run(self, info):
            info['title'] = slugify(info['title'])
            self.to_screen('slugify title: ' + info['title'])
            return [], info

    # print(url)
    ydl_opts = {
        # 'simulate': True,
        'format': 'm4a/bestaudio/best',
        'outtmpl': '%(channel)s/%(id)s-%(title)s.%(ext)s',
        'ignoreerrors': True
    }

    with yt_dlp.YoutubeDL(ydl_opts) as ydl:
        ydl.add_post_processor(slugifyPP(), when='pre_process')
        ydl.download([url])