1from yt_dlp import YoutubeDL
 2import fxyoutube.constants as c
 3ydl = YoutubeDL()
 4
 5def handle_format(format):
 6
 7    if format["resolution"] == "audio only":
 8        return None # audio-only
 9    try:
10        if format["audio_channels"] is None:
11            return None # video-only
12    except KeyError:
13        return None # video-only
14
15    if format["url"].endswith(".m3u8"):
16        return None # HLS stream
17    
18    try:
19        if format["filesize"] > c.MAX_SIZE_BYTES:
20            return None # too large
21    except TypeError:
22        if format["filesize_approx"] > c.MAX_SIZE_BYTES:
23            return None
24
25    return format
26
27def get_info_ytdl(yt_id: str):
28    info = ydl.extract_info(c.BASE_URL + yt_id, download=False)
29    formats = map(handle_format, info["formats"])
30    formats = list(filter(lambda x: x is not None, formats))
31    try:
32        max_format = max(formats, key=lambda x:x["quality"])
33    except ValueError:
34        return None
35    
36    return {
37        "id": info["id"],
38        "title": info["title"],
39        "description": info["description"],
40        "uploader": info["uploader"],
41        "uploader_id": info["uploader_id"],
42        "video_ext": max_format["video_ext"],
43        "height": max_format["height"],
44        "width": max_format["width"],
45        "url": max_format["url"],
46    }