Fetch data of a YouTube video in JSON format

data-of-one-video.py

#!/usr/bin/env python3

"""
using the yt-dlp package
"""

import json
from pprint import pprint

import yt_dlp


def get_detailed_info(video_url: str) -> dict:
    ydl = yt_dlp.YoutubeDL()
    info: dict = ydl.extract_info(video_url, download=False)  # type: ignore
    return info


def save_to_file(info: dict) -> None:
    with open("info.json", "w") as f:
        json.dump(info, f, indent=4)


def main():
    url = "https://www.youtube.com/watch?v=YbZZ9X-jFog"
    info = get_detailed_info(url)
    save_to_file(info)
    # pprint(info)
    # print(type(info))
    print("done")


##############################################################################

if __name__ == "__main__":
    main()

This code belongs to this video: https://www.youtube.com/watch?v=ldaUV6-hvOQ (in Hungarian)