feat: quit gracefully redis

worker.py

@@ -1,4 +1,5 @@
 import sched
+import time
 from threading import Thread
 import json
 
@@ -14,12 +15,16 @@ INTERVAL_IMAGE = 0.05  # 20/s
 class EventListener(Thread):
     def __init__(self):
         super(EventListener, self).__init__()
+        self.keep_running = True
         self.dbcon = Redis()
         self.pubsub = self.dbcon.pubsub()
         self.pubsub.subscribe(['move', 'look'])
 
     def run(self) -> None:
-        for item in self.pubsub.listen():
+        while self.keep_running:
+            item = self.pubsub.get_message()
+            if not item:
+                time.sleep(0.01)
             channel = item['channel'].decode()
             data = item['data']
             if not isinstance(data, bytes):
@@ -29,9 +34,10 @@ class EventListener(Thread):
                 self.handle_message(channel, data)
             except ValueError:
                 pass  # todo
+        self.pubsub.close()
 
     def stop(self):
-        self.pubsub.close()
+        self.keep_running = False
 
     def handle_message(self, channel: str, data: bytes):
         data_dict = json.loads(data.decode())