Updates MQTT service

rpi/services/mqtt_service.py

@@ -1,32 +1,35 @@
 import paho.mqtt.client as mqtt
 import json
 import time
+import base64
 
 class MQTTService:
 
-    address : str = None
+    def __init__(self, address: str, port: int):
-    port : int = None
-
-    def __init__(self, address : str, port : int):
         self.address = address
         self.port = port
 
-    def publish(self, client_id : str, topic: str, data: bytes, qos: int = 0):
+    def publish(self, client_id: str, topic: str, message: str, qos: int = 0):
         client = mqtt.Client(client_id=client_id)
-        try :
+        try:
             client.connect(self.address, self.port)
+            client.loop_start()
+            data = str(message).encode()
+
             payload = {
                 "timestamp": int(time.time()),
-                "data": data,
+                "data": base64.b64encode(data).decode('utf-8')
             }
-            client.publish(topic, json.dumps(payload), qos)
+            result = client.publish(topic, json.dumps(payload), qos=qos)
+            result.wait_for_publish()
 
         except Exception as e:
-            print(e)
+            print("Erreur MQTT:", e)
         finally:
             client.loop_stop()
             client.disconnect()
 
 
 if __name__ == "__main__":
-    pass
+    service = MQTTService("127.0.0.1", 1883)
+    service.publish("test", "test", "Hello from MQTT", 1)