Draft a weekly SEO blog post and get the link by email

import base64
from email.mime.text import MIMEText
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, http, state, ai

KEYWORDS = ["what expenses can a sole trader claim", "when is the self assessment deadline"]
REVIEWER = "partner@example.com"
SCHEMA = {"type": "object", "properties": {k: {"type": "string"} for k in ["title", "excerpt", "body_html"]}, "required": ["title", "excerpt", "body_html"]}
WP = "https://blog.example.com/wp-json/wp/v2"

def wp(method, path, **kw):
    r = http.request(method, f"{WP}/{path}", auth=(credentials.secret("WP_USER"), credentials.secret("WP_APP_PASSWORD")), **kw)
    r.raise_for_status()
    return r.json()
def send_email(to, subject, text, thread_id=None, reply_to=None):
    mime = MIMEText(text)
    mime["to"], mime["subject"] = to, subject
    if reply_to:
        mime["In-Reply-To"] = reply_to
    body = {"raw": base64.urlsafe_b64encode(mime.as_bytes()).decode(), **({"threadId": thread_id} if thread_id else {})}
    return build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users().messages().send(userId="me", body=body).execute()

@on_trigger
def run(event):
    used = state.get("used") or 0
    if used >= len(KEYWORDS):
        send_email(REVIEWER, "Blog keyword list is empty", "Add more keywords to keep the weekly drafts coming.")
        return {"drafted": False}
    art = ai.generate(f"Write an SEO blog post targeting '{KEYWORDS[used]}', about 1000 words, H2 headings, HTML body.", json_schema=SCHEMA, max_output_tokens=2048).json
    post = wp("POST", "posts", json={"title": art["title"], "excerpt": art["excerpt"], "content": art["body_html"], "status": "draft"})
    send_email(REVIEWER, f"Draft to review: {art['title']}", f"{art['excerpt']}\n\nEdit: https://blog.example.com/wp-admin/post.php?post={post['id']}&action=edit")
    state.set("used", used + 1)
    return {"drafted": post["id"]}