a402cbaef5
Zero-dependency static site. config.json-driven. Deploy: docker compose up -d Publish: GitHub Pages / Cloudflare Pages / Tailscale Serve Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""
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AI HUB Tilburg — WhatsApp welcome bot via Evolution API.
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Sends a welcome message when a new member joins the group.
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Setup:
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cp .env.example .env
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# fill in your values
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python3 welcome_bot.py --serve # starts a webhook server on :8765
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"""
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import os, json, sys, http.server, urllib.request, urllib.parse
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EVO_URL = os.getenv("EVOLUTION_API_URL", "http://localhost:8120")
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EVO_KEY = os.getenv("EVOLUTION_API_KEY", "")
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INSTANCE = os.getenv("EVOLUTION_INSTANCE", "atlas")
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GROUP_JID = os.getenv("WA_GROUP_JID", "") # 123456789@g.us
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WELCOME_MESSAGE = """👋 Welkom bij AI HUB Tilburg!
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We zijn een open community van builders, makers en denkers in de regio Tilburg. Geen leider, geen verplichtingen.
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📍 We komen samen op zaterdag 12:00–14:00 bij Business Centre Tilburg.
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Vertel gerust wie je bent en wat je bouwt. Niemand beslist voor jou — jouw project is van jou.
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Fijn dat je erbij bent! 🙌"""
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def send_message(to_jid: str, text: str):
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payload = json.dumps({"number": to_jid, "text": text}).encode()
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req = urllib.request.Request(
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f"{EVO_URL}/message/sendText/{INSTANCE}",
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data=payload,
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headers={"Content-Type": "application/json", "apikey": EVO_KEY},
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method="POST"
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)
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try:
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with urllib.request.urlopen(req, timeout=10) as r:
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print(f"[bot] sent to {to_jid}: HTTP {r.status}")
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return True
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except Exception as e:
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print(f"[bot] error: {e}")
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return False
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class WebhookHandler(http.server.BaseHTTPRequestHandler):
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def do_POST(self):
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length = int(self.headers.get("Content-Length", 0))
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body = self.rfile.read(length)
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self.send_response(200)
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self.end_headers()
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try:
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event = json.loads(body)
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except Exception:
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return
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# Evolution API group participant update event
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event_type = event.get("event", "")
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if event_type == "group-participants.update":
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data = event.get("data", {})
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action = data.get("action", "")
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jid = data.get("id", "")
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if action in ("add", "invite") and jid:
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print(f"[bot] new member: {jid}")
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# Welcome in group
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send_message(GROUP_JID, WELCOME_MESSAGE)
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# Or DM the new member directly:
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# send_message(jid, WELCOME_MESSAGE)
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def log_message(self, *args):
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pass # suppress access logs
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def main():
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if "--serve" in sys.argv:
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port = int(os.getenv("BOT_PORT", "8765"))
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server = http.server.HTTPServer(("0.0.0.0", port), WebhookHandler)
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print(f"[bot] listening on :{port}")
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print(f"[bot] register this URL as Evolution webhook for instance '{INSTANCE}'")
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server.serve_forever()
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else:
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print("Usage: python3 welcome_bot.py --serve")
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print(" Then register http://YOUR_IP:8765 as a webhook in Evolution API")
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if __name__ == "__main__":
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main()
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