From ba99451244d6af5d9d475cbf7cba41259ab2fb9c Mon Sep 17 00:00:00 2001
From: tomaae <23486452+tomaae@users.noreply.github.com>
Date: Mon, 14 Dec 2020 15:25:00 +0100
Subject: [PATCH] Hide non-existing hardware specific system sensors #73

---
 custom_components/mikrotik_router/sensor.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/custom_components/mikrotik_router/sensor.py b/custom_components/mikrotik_router/sensor.py
index df6f7ec..6b66455 100644
--- a/custom_components/mikrotik_router/sensor.py
+++ b/custom_components/mikrotik_router/sensor.py
@@ -194,6 +194,13 @@ def update_items(inst, config_entry, mikrotik_controller, async_add_entities, se
 
     for sensor in SENSOR_TYPES:
         if "system_" in sensor:
+            if (
+                mikrotik_controller.data[SENSOR_TYPES[sensor][ATTR_PATH]][
+                    SENSOR_TYPES[sensor][ATTR_ATTR]
+                ]
+                == "unknown"
+            ):
+                continue
             item_id = f"{inst}-{sensor}"
             _LOGGER.debug("Updating sensor %s", item_id)
             if item_id in sensors: