Get a sprint report when a sprint closes

from collections import defaultdict
from clickruntime import on_trigger, credentials, http, state, notify, report_fetched

JIRA = "https://api.atlassian.com/ex/jira/your-cloud-id"

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

def search(jql, fields, limit=100):
    return jira("POST", "/rest/api/3/search/jql", json={"jql": jql, "fields": fields, "maxResults": limit})["issues"]

BOARD_ID = 12  # the ABC board

@on_trigger
def run(event):
    sprints = jira("GET", f"/rest/agile/1.0/board/{BOARD_ID}/sprint", params={"state": "closed", "maxResults": 50})["values"]
    reported = set(state.get("reported") or [])
    new = [s for s in sprints if s["id"] not in reported]
    report_fetched(len(new))
    if not new:
        return {"reported": 0}
    for s in new:
        if reported:  # first run only records existing sprints
            issues = search(f"sprint = {s['id']}", ["summary", "status", "assignee"], 300)
            done = [i for i in issues if i["fields"]["status"]["statusCategory"]["key"] == "done"]
            by_person = defaultdict(int)
            for i in done:
                by_person[(i["fields"].get("assignee") or {}).get("displayName", "Unassigned")] += 1
            carried = [f"  {i['key']} {i['fields']['summary']}" for i in issues if i not in done]
            notify.email_me(f"{s['name']} closed: {len(done)}/{len(issues)} done",
                            f"Completion: {len(done) / max(len(issues), 1):.0%}\n\nDone by person:\n" +
                            "\n".join(f"  {p}: {n}" for p, n in sorted(by_person.items())) +
                            "\n\nCarried over:\n" + ("\n".join(carried) or "  none"))
        reported.add(s["id"])
    state.set("reported", sorted(reported))
    return {"reported": len(new)}