feat: python接入nats

apps/services/alg/app.py

@@ -1,22 +1,22 @@
-from flask import Flask, request, jsonify
-import nats.aio.client
-import asyncio
+from flask import Flask, jsonify
+from pynats2 import NATSClient
+import json
 
 app = Flask(__name__)
-nc = nats.aio.client.Client()
 
-@app.route('/send_to_nats', methods=['POST'])
-def send_to_nats():
-    loop = asyncio.new_event_loop()
-    asyncio.set_event_loop(loop)
-    loop.run_until_complete(send_message(request.json))
-    print("1")
-    return 111
+@app.route('/publish', methods=['POST'])
+def publish_to_nats():
+    data_dict = {
+      "key": "value",
+      "number": 123,
+      "list": [1, 2, 3]
+    }
+    data_str = json.dumps(data_dict)
+    # 将字符串转换为bytes
+    data_bytes = data_str.encode('utf-8')
+    with NATSClient() as client:
+      client.publish("alg.test", payload=data_bytes)
+    return jsonify({'message': 'Message sent successfully!'})
 
-async def send_message(message):
-    await nc.connect(servers=["nats://localhost:4222"])
-    await nc.publish(jsonify({"cmd": "alg.test"}), str(message).encode())
-    await nc.close()
-
-if __name__ == "__main__":
+if __name__ == '__main__':
     app.run(debug=True)

apps/services/alg/requirements.txt

@@ -1,2 +1,2 @@
 flask
-asyncio-nats-client
+pynats2

apps/services/logger/src/app.controller.ts

@@ -30,8 +30,9 @@ export class AppController {
     return 'ok';
   }
 
-  @EventPattern({ cmd: 'alg.test' })
+  @EventPattern('alg.test')
   async algTest(payload) {
-    return 'ok';
+    console.log('来自: alg.test', payload);
+    return payload;
   }
 }