Get new YouTube uploads from your favourite channels in Telegram

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

YT = "https://www.googleapis.com/youtube/v3"

def yt(path, **params):
    return http.get(f"{YT}/{path}", params={**params, "key": credentials.secret("YOUTUBE_API_KEY")}).json().get("items", [])

CHAT_ID = "123456789"

def tg(method, **params):
    r = http.post(f"https://api.telegram.org/bot{credentials.secret('TELEGRAM_BOT_TOKEN')}/{method}", json=params)
    return r.raise_for_status() or r.json()["result"]

UPLOADS = ["UUxxxxxxxxxxxxxxxxxxxxxx", "UUyyyyyyyyyyyyyyyyyyyyyy"]

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    new = []
    for playlist in UPLOADS:
        for item in yt("playlistItems", part="snippet", playlistId=playlist, maxResults=5):
            s = item["snippet"]
            if s["resourceId"]["videoId"] not in seen:
                new.append(s)
    report_fetched(len(new))
    if not new:
        return {"summary": "No new videos"}
    for s in reversed(new):
        vid = s["resourceId"]["videoId"]
        tg("sendMessage", chat_id=CHAT_ID, text=f"🎬 {s['channelTitle']}: {s['title']}\nhttps://youtu.be/{vid}")
        seen.add(vid)
    state.set("seen", sorted(seen)[-3000:])
    return {"posted": len(new)}