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#!/usr/bin/env python3
"""
nova_bridge.py — Relay plans and results between two Open WebUI chats over NATS.
Env vars:
OPENWEBUI_URL default http://127.0.0.1:17500
CHAT_ELIZABETH chat ID for Elizabeth
CHAT_KAUTILYA chat ID for Kautilya
NATS_URL default nats://127.0.0.1:4222
Subjects:
nova.plan — Plan/directives from Elizabeth → forwarded to Kautilya chat
nova.result — Execution summaries/artifacts from Kautilya → forwarded to Elizabeth chat
Usage:
CHAT_ELIZABETH=<id1> CHAT_KAUTILYA=<id2> ./scripts/nova_bridge.py
"""
import os
import json
import asyncio
import time
from urllib import request
OPENWEBUI_URL = os.environ.get("OPENWEBUI_URL", "http://127.0.0.1:17500")
CHAT_ELIZABETH = os.environ.get("CHAT_ELIZABETH", "")
CHAT_KAUTILYA = os.environ.get("CHAT_KAUTILYA", "")
NATS_URL = os.environ.get("NATS_URL", "nats://127.0.0.1:18222")
def post_message(chat_id: str, role: str, content: str) -> dict:
url = f"{OPENWEBUI_URL}/api/chat/completions"
headers = {"Content-Type": "application/json"}
body = {
"chat_id": chat_id,
"stream": False,
"model": None, # use chat default
"messages": [{"role": role, "content": content}],
}
data = json.dumps(body).encode("utf-8")
req = request.Request(url, data=data, headers=headers, method="POST")
try:
with request.urlopen(req, timeout=10) as resp:
txt = resp.read().decode("utf-8")
try:
return {"status": resp.status, "json": json.loads(txt)}
except Exception:
return {"status": resp.status, "text": txt}
except Exception as e:
return {"error": str(e)}
async def main():
if not CHAT_ELIZABETH or not CHAT_KAUTILYA:
raise SystemExit("CHAT_ELIZABETH and CHAT_KAUTILYA must be set")
try:
import nats # type: ignore
except Exception as e:
raise SystemExit(f"nats-py not installed: {e}")
nc = await nats.connect(NATS_URL)
async def on_plan(msg):
try:
data = msg.data.decode("utf-8")
except Exception:
data = ""
payload = data or "(empty plan)"
res = post_message(CHAT_KAUTILYA, "user", f"[plan]\n{payload}")
print("forwarded plan → Kautilya:", res)
async def on_result(msg):
try:
data = msg.data.decode("utf-8")
except Exception:
data = ""
payload = data or "(empty result)"
res = post_message(CHAT_ELIZABETH, "user", f"[result]\n{payload}")
print("forwarded result → Elizabeth:", res)
await nc.subscribe("nova.plan", cb=on_plan)
await nc.subscribe("nova.result", cb=on_result)
print("nova_bridge running; subjects: nova.plan, nova.result")
try:
while True:
await asyncio.sleep(3600)
finally:
await nc.close()
if __name__ == "__main__":
asyncio.run(main())
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