Use JSON instead of pickle for serialization (#12590)

frigate/comms/config_updater.py

@@ -21,7 +21,7 @@ class ConfigPublisher:
     def publish(self, topic: str, payload: any) -> None:
         """There is no communication back to the processes."""
         self.socket.send_string(topic, flags=zmq.SNDMORE)
-        self.socket.send_pyobj(payload)
+        self.socket.send_json(payload)
 
     def stop(self) -> None:
         self.stop_event.set()
@@ -42,7 +42,7 @@ class ConfigSubscriber:
         """Returns updated config or None if no update."""
         try:
             topic = self.socket.recv_string(flags=zmq.NOBLOCK)
-            return (topic, self.socket.recv_pyobj())
+            return (topic, self.socket.recv_json())
         except zmq.ZMQError:
             return (None, None)
 

frigate/comms/detections_updater.py

@@ -68,7 +68,7 @@ class DetectionPublisher:
     def send_data(self, payload: any) -> None:
         """Publish detection."""
         self.socket.send_string(self.topic.value, flags=zmq.SNDMORE)
-        self.socket.send_pyobj(payload)
+        self.socket.send_json(payload)
 
     def stop(self) -> None:
         self.socket.close()
@@ -91,7 +91,7 @@ class DetectionSubscriber:
 
             if has_update:
                 topic = DetectionTypeEnum[self.socket.recv_string(flags=zmq.NOBLOCK)]
-                return (topic, self.socket.recv_pyobj())
+                return (topic, self.socket.recv_json())
         except zmq.ZMQError:
             pass
 

frigate/comms/events_updater.py

@@ -20,7 +20,7 @@ class EventUpdatePublisher:
         self, payload: tuple[EventTypeEnum, EventStateEnum, str, dict[str, any]]
     ) -> None:
         """There is no communication back to the processes."""
-        self.socket.send_pyobj(payload)
+        self.socket.send_json(payload)
 
     def stop(self) -> None:
         self.socket.close()
@@ -43,7 +43,7 @@ class EventUpdateSubscriber:
             has_update, _, _ = zmq.select([self.socket], [], [], timeout)
 
             if has_update:
-                return self.socket.recv_pyobj()
+                return self.socket.recv_json()
         except zmq.ZMQError:
             pass
 
@@ -66,7 +66,7 @@ class EventEndPublisher:
         self, payload: tuple[EventTypeEnum, EventStateEnum, str, dict[str, any]]
     ) -> None:
         """There is no communication back to the processes."""
-        self.socket.send_pyobj(payload)
+        self.socket.send_json(payload)
 
     def stop(self) -> None:
         self.socket.close()
@@ -89,7 +89,7 @@ class EventEndSubscriber:
             has_update, _, _ = zmq.select([self.socket], [], [], timeout)
 
             if has_update:
-                return self.socket.recv_pyobj()
+                return self.socket.recv_json()
         except zmq.ZMQError:
             pass
 

frigate/comms/inter_process.py

@@ -37,14 +37,14 @@ class InterProcessCommunicator(Communicator):
                     break
 
                 try:
-                    (topic, value) = self.socket.recv_pyobj(flags=zmq.NOBLOCK)
+                    (topic, value) = self.socket.recv_json(flags=zmq.NOBLOCK)
 
                     response = self._dispatcher(topic, value)
 
                     if response is not None:
-                        self.socket.send_pyobj(response)
+                        self.socket.send_json(response)
                     else:
-                        self.socket.send_pyobj([])
+                        self.socket.send_json([])
                 except zmq.ZMQError:
                     break
 
@@ -65,8 +65,8 @@ class InterProcessRequestor:
 
     def send_data(self, topic: str, data: any) -> any:
         """Sends data and then waits for reply."""
-        self.socket.send_pyobj((topic, data))
-        return self.socket.recv_pyobj()
+        self.socket.send_json((topic, data))
+        return self.socket.recv_json()
 
     def stop(self) -> None:
         self.socket.close()