Merge pull request #19 from dala318/unavailable

Set entities to unknown when device is disconnected

Author: dala318

binary_sensor.py

@@ -160,4 +160,6 @@ def async_update_callback(self):
                 self._attr,
                 None,
             )
-            self.async_write_ha_state()
+        else:
+            self._state = None
+        self.async_write_ha_state()

lib/device.py

@@ -212,10 +212,14 @@ def abort(self):
 
     def close(self):
         self._loop = False
+        self._latest_measurement = None
+        # self._measurements.clear()
         try:
             self._socket.close()
         except:
             pass
+        for callback in self._callbacks:
+            callback()
 
     def get_measurements_and_empty(self):
         meas = self._measurements

sensor.py

@@ -150,4 +150,6 @@ def async_update_callback(self):
                 self._attr,
                 None,
             )
-            self.async_write_ha_state()
+        else:
+            self._state = None
+        self.async_write_ha_state()