Share new YouTube videos with a short summary

import re
from clickruntime import on_trigger, http, credentials, ai, state, report_fetched

VIDEOS_CHANNEL = "VIDEOS_CHANNEL_ID"
YT_CHANNELS = ["UC_x5XG1OV2P6uZZ5FSM9Ttw"]

def discord(method, path, **kw):
    r = http.request(method, f"https://discord.com/api/v10{path}",
                     headers={"Authorization": f"Bot {credentials.secret('DISCORD_BOT_TOKEN')}"}, **kw)
    r.raise_for_status()
    return r.json() if r.content else None

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    new = []
    for cid in YT_CHANNELS:
        feed = http.get("https://www.youtube.com/feeds/videos.xml", params={"channel_id": cid}).text
        for vid, title, desc in re.findall(
                r"<yt:videoId>(.*?)</yt:videoId>.*?<title>(.*?)</title>.*?<media:description>(.*?)</media:description>", feed, re.S):
            if vid not in seen:
                new.append((vid, title, desc))
    report_fetched(len(new))
    if not new:
        return {"new": 0}
    for vid, title, desc in new:
        summary = ai.generate(f"Summarise in 3 short lines:\n{title}\n{desc[:2000]}", max_output_tokens=120).text
        discord("POST", f"/channels/{VIDEOS_CHANNEL}/messages",
                json={"content": f"**{title}**\n{summary}\nhttps://youtu.be/{vid}"})
        seen.add(vid)
    state.set("seen", list(seen)[-500:])
    return {"new": len(new)}