resilience on handling the onoff_poweron settings

Modules/onoff_settings.py

@@ -14,7 +14,8 @@
 from Modules.enki import is_enky_device
 from Modules.philips import is_philips_device
 from Modules.readAttributes import ReadAttributeRequest_0006_400x
-from Modules.tools import get_deviceconf_parameter_value, getListOfEpForCluster
+from Modules.tools import (get_deviceconf_parameter_value,
+                           getListOfEpForCluster, is_int)
 from Modules.tuya import (get_tuya_attribute, is_tuya_switch_relay,
                           tuya_switch_relay_status)
 from Modules.zigateConsts import ZIGATE_EP
@@ -67,9 +68,13 @@ def onoff_startup_onoff_mode(self, nwkid, ep, value):
     self.log.logging( "onoffSettings", "Debug", f"onoff_startup_onoff_mode for {nwkid}/{ep} - value: {value}", nwkid )
 
     if isinstance(value, str):
-        old_value = value
-        value = int(value)
-        self.log.logging( "onoffSettings", "Log", f"onoff_startup_onoff_mode for {nwkid}/{ep} - value: {old_value} converted to {value}", nwkid )
+        if is_int(value):
+            old_value = value
+            value = int(value)
+            self.log.logging( "onoffSettings", "Log", f"onoff_startup_onoff_mode for {nwkid}/{ep} - value: {old_value} converted to {value}", nwkid )
+        else:
+            self.log.logging( "onoffSettings", "Error", f"onoff_startup_onoff_mode for {nwkid}/{ep} - value error {value}", nwkid )
+            return
 
     write_attribute( 
         self, 

Modules/tools.py

@@ -26,10 +26,14 @@
 from Modules.pluginDbAttributes import STORE_CONFIGURE_REPORTING
 from Modules.zigateConsts import HEARTBEAT
 
+HEX_DIGIT = "0123456789abcdefABCDEF"
+INT_DIGIT = "0123456789"
 
 def is_hex(s):
-    hex_digits = set("0123456789abcdefABCDEF")
-    return all(char in hex_digits for char in s)
+    return all(char in HEX_DIGIT for char in s)
+
+def is_int(s):
+    return all(char in INT_DIGIT for char in s)
 
 def returnlen(taille, value):
     while len(value) < taille: