calculate total duration of a youtube playlist by python

total_youtube_playlist_duration.py

# pip install pytube

from pytube import Playlist
from pytube import YouTube
import sys


def convert_sec_to_readable(seconds):
    minute, second = divmod(seconds, 60)
    hour, minute = divmod(minute, 60)
    return "%d:%02d:%02d" % (hour, minute, second)


try:
    playlist_link = sys.argv[1]
except IndexError:
    playlist_link = input("enter playlist link: ")


print("Loading...")

total_secs = 0


playlist_obj = Playlist(playlist_link)
all_video_urls: list = list(playlist_obj.video_urls)


failed_video_urls: list = []
total_secs = 0


def calculate_duration(urls):
    for url in urls:
        try:
            single_video_obj = YouTube(url).length
        except:
            failed_video_urls.append(url)
        else:
            global total_secs
            total_secs += single_video_obj


while True:
    calculate_duration(all_video_urls)

    if len(failed_video_urls) > 0:
        calculate_duration(failed_video_urls)
        break
    break

print("Approx Total Duration: ", convert_sec_to_readable(total_secs))