File emailed CVs in Drive with a short candidate review

import base64, io
from pypdf import PdfReader
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from googleapiclient.http import MediaIoBaseUpload
from clickruntime import on_trigger, credentials, notify, ai, report_fetched

FOLDER_ID, LABEL_ID = "your-candidates-folder-id", "Label_CV_Filed"
ROLE = "Operations manager: 5+ years in logistics, team leadership, strong spreadsheet skills."

@on_trigger
def run(event):
    creds = Credentials(credentials.connection("google", "work"))
    gmail, drive = build("gmail", "v1", credentials=creds, cache_discovery=False), build("drive", "v3", credentials=creds, cache_discovery=False)
    msgs = gmail.users().messages().list(userId="me", q="to:jobs@ has:attachment filename:pdf -label:cv-filed").execute().get("messages", [])
    report_fetched(len(msgs))
    if not msgs:
        return {"summary": "Nothing new"}
    for m in msgs:
        msg = gmail.users().messages().get(userId="me", id=m["id"]).execute()
        part = next(p for p in msg["payload"].get("parts", []) if p.get("filename", "").lower().endswith(".pdf"))
        pdf = base64.urlsafe_b64decode(gmail.users().messages().attachments().get(userId="me", messageId=m["id"], id=part["body"]["attachmentId"]).execute()["data"])
        f = drive.files().create(body={"name": part["filename"], "parents": [FOLDER_ID]}, fields="webViewLink",
                                 media_body=MediaIoBaseUpload(io.BytesIO(pdf), mimetype="application/pdf")).execute()
        text = "".join(p.extract_text() or "" for p in PdfReader(io.BytesIO(pdf)).pages)[:6000]
        review = ai.generate(f"Role: {ROLE}\nCV:\n{text}\nWrite a 5-line evaluation: fit, strengths, gaps.", max_output_tokens=300).text
        notify.email_me(f"New CV: {part['filename']}", f"{review}\n\n{f['webViewLink']}")
        gmail.users().messages().modify(userId="me", id=m["id"], body={"addLabelIds": [LABEL_ID]}).execute()
    return {"filed": len(msgs)}