Weekly reading list by email from links sent to Telegram

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

OWNER = 123456789

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

def urls(msg):
    text = msg.get("text") or msg.get("caption") or ""
    ents = msg.get("entities") or msg.get("caption_entities") or []
    found = [e["url"] for e in ents if e["type"] == "text_link"]
    found += [text[e["offset"]:e["offset"] + e["length"]] for e in ents if e["type"] == "url"]
    return found

@on_trigger
def run(event):
    links = state.get("links") or []
    msg = (event.get("json") or {}).get("message")
    if msg:
        if msg["chat"]["id"] != OWNER:
            return {"skipped": True}
        new = urls(msg)
        links += [u for u in new if u not in links]
        state.set("links", links)
        if new:
            tg("sendMessage", chat_id=OWNER, text=f"Saved ({len(links)} this week)", reply_to_message_id=msg["message_id"])
        return {"saved": len(new)}
    if not links:
        return {"sent": False}
    items = []
    for i, u in enumerate(links, 1):
        try:
            html = http.get(u, timeout=15).text[:200000]
            title = (re.search(r"<title[^>]*>(.*?)</title>", html, re.S | re.I) or [None, u])[1].strip()
            line = ai.generate(f"In one plain sentence, what is this page about? Title: {title}\n{re.sub('<[^>]+>', ' ', html)[:4000]}",
                               max_output_tokens=60).text.strip()
        except Exception:
            title, line = u, ""
        items.append(f"{i}. {title}\n   {line}\n   {u}")
    notify.email_me(subject=f"Your reading list: {len(links)} links", body="\n".join(items))
    state.set("links", [])
    return {"sent": len(links)}