Download all videos from YouTube Playlist in all supported resolutions (including 1080p and 4K)

playlist_downloader.py

import os
import re
from pytube import Playlist, YouTube


def download_playlist(playlist_url, resolution):
    playlist = Playlist(playlist_url)
    playlist_name = re.sub(r'\W+', '-', playlist.title)

    if not os.path.exists(playlist_name):
        os.mkdir(playlist_name)
        
    for index, v in enumerate(playlist.videos, start=1):
        video = YouTube(v.watch_url, use_oauth=True)
        video_resolution = video.streams.filter(res=resolution).first()
        video_filename = f"{index}. {video_resolution.default_filename}"
        video_path = os.path.join(playlist_name, video_filename)
        if os.path.exists(video_path):
            print(f"{video_filename} already exists")
            continue

        video_streams = video.streams.filter(res=resolution)

        if not video_streams:
            highest_resolution_stream = video.streams.get_highest_resolution()
            video_name = highest_resolution_stream.default_filename
            print(
                f"Downloading {video_name} in {highest_resolution_stream.resolution}")
            highest_resolution_stream.download(filename=video_path)

        else:
            video_stream = video_streams.first()
            video_name = video_stream.default_filename
            print(f"Downloading video for {video_name} in {resolution}")
            video_stream.download(filename="video.mp4")
            
            audio_stream = video.streams.get_audio_only()
            print(f"Downloading audio for {video_name}")
            audio_stream.download(filename="audio.mp4")
            
            os.system(
                "ffmpeg -y -i video.mp4 -i audio.mp4 -c:v copy -c:a aac final.mp4 -loglevel quiet -stats")
            os.rename("final.mp4", video_path)
            os.remove("video.mp4")
            os.remove("audio.mp4")

        print("----------------------------------")


if __name__ == "__main__":
    playlist_url = input("Enter the playlist url: ")
    resolutions = ["240p", "360p", "480p", "720p", "1080p", "1440p", "2160p"]
    resolution = input(f"Please select a resolution {resolutions}: ")
    download_playlist(playlist_url, resolution)

YouTube_Playlist_Downloader.md

• Using this script, you can download all the videos from a YouTube Playlist in all supported resolutions (including 1080p and 2160p).
• Enter the playlist url and the resolution you wish to download.
• Make sure you have ffmpeg setup on your machine. Check the tutorial for the setup guide.
• You can download the videos in the following resolutions: 144p, 240p, 360p, 480p, 720p, 1080p, 1440p, 2160p
• Check the video for available resolutions.