Turn new errors into GitHub issues with a Slack alert

import hashlib, re
from clickruntime import on_event, credentials, http, notify, state, ai

def gh(method, path, **kw):
    resp = http.request(method, f"https://api.github.com{path}", headers={
        "Authorization": f"Bearer {credentials.connection('github', 'work')}", "Accept": "application/vnd.github+json"}, **kw)
    return resp.raise_for_status() or (resp.json() if resp.content else None)

REPO = "acme/api"

@on_event
def handle(event):
    err = event.json or {}
    top = "\n".join((err.get("stack") or "").splitlines()[:5])
    fp = hashlib.sha1(re.sub(r"\d+", "N", f"{err.get('type')}|{err.get('message')}|{top}").encode()).hexdigest()[:12]
    known = state.get("known") or {}
    if fp in known:
        return {"issue": known[fp], "new": False}
    analysis = ai.generate(f"{err.get('type')}: {err.get('message')}\n{(err.get('stack') or '')[:3000]}",
                           system="Explain the most likely cause of this error in 3 short sentences.", max_output_tokens=200).text
    issue = gh("POST", f"/repos/{REPO}/issues", json={"title": f"{err.get('type')}: {err.get('message', '')}"[:200], "labels": ["bug", "from-errors"],
               "body": f"First seen {event.received_at}\n\n**Likely cause**\n{analysis}\n\n```\n{(err.get('stack') or '')[:5000]}\n```"})
    known[fp] = issue["html_url"]
    state.set("known", known)
    notify.slack(f"New error filed: <{issue['html_url']}|{issue['title']}>\n{analysis}", channel="#eng-alerts")
    return {"issue": issue["html_url"], "new": True}