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#!/usr/bin/env python3
"""Post a concise update to the team updates Slack webhook.
Usage:
python mlops/slack/post_update.py --text "message" --webhook $SLACK_WEBHOOK_UPDATES
If --webhook omitted, reads SLACK_WEBHOOK_UPDATES from env.
"""
from __future__ import annotations
import argparse
import json
import os
def main() -> None:
ap = argparse.ArgumentParser()
ap.add_argument("--text", required=True)
ap.add_argument("--webhook", default=os.getenv("SLACK_WEBHOOK_UPDATES", ""))
args = ap.parse_args()
if not args.webhook:
raise SystemExit("Missing updates webhook: set SLACK_WEBHOOK_UPDATES or pass --webhook")
payload = json.dumps({"text": args.text}).encode("utf-8")
try:
try:
import requests # type: ignore
import requests
requests.post(args.webhook, json={"text": args.text}, timeout=5)
except Exception:
import urllib.request
req = urllib.request.Request(args.webhook, data=payload, headers={"Content-Type": "application/json"})
urllib.request.urlopen(req, timeout=5).read()
except Exception as e:
raise SystemExit(f"Slack post failed: {e}")
if __name__ == "__main__":
main()
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