Ensure unique_id is a string (#251)

Migrate old config entries as needed

custom_components/midea_ac/__init__.py

@@ -87,6 +87,28 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     return True
 
 
+async def async_migrate_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+    """Migrate config entry."""
+
+    _LOGGER.debug("Migrating configuration from version %s.%s.",
+                  config_entry.version, config_entry.minor_version)
+
+    if config_entry.version > 1:
+        # Unsupported downgrade
+        return False
+
+    if config_entry.version == 1:
+        # 1.1 -> 1.2: Convert unique ID to string
+        if config_entry.minor_version == 1:
+            hass.config_entries.async_update_entry(
+                config_entry, unique_id=str(config_entry.unique_id), minor_version=2)
+
+    _LOGGER.debug("Migration to configuration version %s.%s successful.",
+                  config_entry.version, config_entry.minor_version)
+
+    return True
+
+
 async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     # Remove the coordinator from global data

custom_components/midea_ac/config_flow.py

@@ -35,6 +35,9 @@
 class MideaConfigFlow(ConfigFlow, domain=DOMAIN):
     """Config flow for Midea Smart AC."""
 
+    VERSION = 1
+    MINOR_VERSION = 2
+
     async def async_step_user(self, _) -> FlowResult:
         """Handle a config flow initialized by the user."""
         return self.async_show_menu(
@@ -62,7 +65,7 @@ async def async_step_discover(
                 errors["base"] = "unsupported_device"
             else:
                 # Check if device has already been configured
-                await self.async_set_unique_id(device.id)
+                await self.async_set_unique_id(str(device.id))
                 self._abort_if_unique_id_configured()
 
                 # Finish connection
@@ -92,7 +95,7 @@ async def async_step_pick_device(
 
             if device:
                 # Check if device has already been configured
-                await self.async_set_unique_id(device.id)
+                await self.async_set_unique_id(str(device.id))
                 self._abort_if_unique_id_configured()
 
                 # Finish connection
@@ -116,7 +119,7 @@ async def async_step_pick_device(
                 f"{device.name} - {device.id} ({device.ip})"
             )
             for device in self._discovered_devices
-            if (device.id not in configured_devices and
+            if (str(device.id) not in configured_devices and
                 device.type == DeviceType.AIR_CONDITIONER)
         }
 
@@ -140,7 +143,7 @@ async def async_step_manual(self, user_input) -> FlowResult:
             id = int(user_input.get(CONF_ID))
 
             # Check if device has already been configured
-            await self.async_set_unique_id(id)
+            await self.async_set_unique_id(str(id))
             self._abort_if_unique_id_configured()
 
             # Attempt a connection to see if config is valid