be-ytb/app.py

import logging

import yt_dlp
from flask import Flask, request
from tinydb import TinyDB

app = Flask(__name__)

db = TinyDB('data.json')


def get_key(url: str) -> str:
    return f"v1:{url}"


@app.route("/extract", methods=["GET", "POST"])
def extract():
    url = request.json.get("url")
    logging.info(f"url: ${url}")
    key = get_key(url=url)
    result = db.search(lambda x: x["key"] == key)
    if result:
        logging.info("find from data.json, so return")
        if result[0].get("result"):
            return result[0].get("result")
    with yt_dlp.YoutubeDL({"flat-playlist": True, "extract_flat": "flat-playlist"}) as ydl:
        info = ydl.extract_info(url, download=False)
        thumbnails = []
        for item in info.get("thumbnails", []):
            if item.get("width"):
                thumbnails.append({
                    "url": item.get("url", ""),
                    "width": item.get("width", 0),
                    "height": item.get("height", 0),
                })
        formats = []
        for item in info.get("formats", []):
            if item.get("resolution") != "audio only" and item.get("url") and item.get("acodec") and item.get(
                    "acodec") != "none" and item.get("vcodec"):
                formats.append({
                    "width": item.get("width", 0),
                    "height": item.get("height", 0),
                    "type": item.get("format", ""),
                    "quality": f'{item.get("format_note", "")}',
                    "itag": 0,
                    "fps": 0,
                    "bitrate": 0,
                    "url": item.get("url", ""),
                    "ext": item.get("ext"),
                    "vcodec": item.get("vcodec", ""),
                    "acodec": item.get("acodec", ""),
                    "vbr": 0,
                    "abr": 0,
                    "container": item.get("container")
                })
        result = {
            "code": 200,
            "msg": "",
            "data": {
                "videoDetails": {
                    "isLiveContent": info.get("is_live", False),
                    "title": info.get("title", ""),
                    "thumbnails": thumbnails,
                    "description": info.get("description", ""),
                    "lengthSeconds": int(info.get("duration", 0) / 100),
                    "viewCount": f"{info.get('view_count', 0)}",
                    "keywords": [],
                    "author": info.get("uploader", info.get("channel", "")),
                    "channelID": info.get("channel_id", ""),
                    "recommendInfo": [],
                    "channelURL": info.get("channel_url", ""),
                    "videoId": info.get("display_id", "")
                },
                "streamingData": {
                    "formats": formats
                }
            },
            "id": "MusicDetailViewModel_detail_url"
        }
        db.insert({"result": result, "key": key})
        return result


if __name__ == '__main__':
    app.run(host='0.0.0.0', port=80, debug=True)