fix: runtime errors

led_control.py

@@ -1,7 +1,9 @@
+import sys
 import json
 import uuid
 import asyncio
 import datetime
+import traceback
 
 import cv2
 import requests
@@ -76,7 +78,7 @@ def on_message_received(topic, payload, dup, qos, retain, **kwargs):
 
 
 def parse_led_payload(payload):
-    data = json.loads(payload)
+    data = json.loads(payload.decode())
     if data.get("faces"):
         led_control(True)
     else:
@@ -91,7 +93,7 @@ def led_control(light):
 
 
 def parse_s3_url_payload(payload):
-    data = json.dumps(payload)
+    data = json.loads(payload.decode())
 
     put_presigned_s3_url(data["url"], take_picture())
 
@@ -136,6 +138,7 @@ async def main():
     )
 
     subscribe_result = subscribe_future.result()
+    print(subscribe_result)
     print(f"Subscribed to {LED_TOPIC}")
 
     subscribe_future, packet_id = mqtt_connection.subscribe(
@@ -145,7 +148,8 @@ async def main():
     )
 
     subscribe_result = subscribe_future.result()
-    print(f"Subscribed to {LED_TOPIC}")
+    print(subscribe_result)
+    print(f"Subscribed to {S3_URL_TOPIC}")
 
     while True:
         command = input("> ")
@@ -154,17 +158,28 @@ async def main():
             filename = datetime.datetime.strftime(datetime.datetime.now(), "%Y-%m-%d-%H-%M-%S") + "." + FORMAT
             publish_future, packet_id = mqtt_connection.publish(
                 topic=S3_UPLOAD_TOPIC,
-                qos=1,
-                payload=json.dumps({ "filename": filename })
+                payload=json.dumps({ "filename": filename }),
+                qos=mqtt.QoS.AT_LEAST_ONCE
             )
             publish_result = publish_future.result()
+            print(publish_result)
             print(f"Upload request {filename} sent!")
+        elif command == "q":
+            break
 
 
+def handler(loop, context):
+    e = context['exception']
+    print(*traceback.format_exception(None, e, e.__traceback__), file=sys.stderr, flush=True)
+    if not DEBUG:
+        GPIO.cleanup()
+
+    loop.stop()
+
 # run
 loop = asyncio.get_event_loop()
-loop.set_exception_handler(lambda loop, context: [print(context['message']), GPIO.cleanup()])
+loop.set_exception_handler(handler)
 
 loop.create_task(main())
 
-loop.run_forever()
+loop.run_forever()