Code cleanup in LCN (#48074)

homeassistant/components/lcn/__init__.py

@@ -15,13 +15,11 @@ from homeassistant.const import (
 from homeassistant.helpers import entity_registry as er
 from homeassistant.helpers.entity import Entity
 
-from .const import CONF_DIM_MODE, CONF_SK_NUM_TRIES, CONNECTION, DOMAIN
+from .const import CONF_DIM_MODE, CONF_SK_NUM_TRIES, CONNECTION, DOMAIN, PLATFORMS
 from .helpers import generate_unique_id, import_lcn_config
 from .schemas import CONFIG_SCHEMA  # noqa: F401
 from .services import SERVICES
 
-PLATFORMS = ["binary_sensor", "climate", "cover", "light", "scene", "sensor", "switch"]
-
 _LOGGER = logging.getLogger(__name__)
 
 

homeassistant/components/lcn/config_flow.py

@@ -89,7 +89,4 @@ class LcnFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             self.hass.config_entries.async_update_entry(entry, data=data)
             return self.async_abort(reason="existing_configuration_updated")
 
-        return self.async_create_entry(
-            title=f"{host_name}",
-            data=data,
-        )
+        return self.async_create_entry(title=f"{host_name}", data=data)

homeassistant/components/lcn/const.py

@@ -10,6 +10,8 @@ from homeassistant.const import (
     VOLT,
 )
 
+PLATFORMS = ["binary_sensor", "climate", "cover", "light", "scene", "sensor", "switch"]
+
 DOMAIN = "lcn"
 DATA_LCN = "lcn"
 DEFAULT_NAME = "pchk"

homeassistant/components/lcn/helpers.py

@@ -224,44 +224,12 @@ def is_address(value):
         addr = (int(matcher.group("seg_id")), int(matcher.group("id")), is_group)
         conn_id = matcher.group("conn_id")
         return addr, conn_id
-    raise vol.error.Invalid("Not a valid address string.")
+    raise ValueError(f"{value} is not a valid address string")
 
 
-def is_relays_states_string(states_string):
+def is_states_string(states_string):
     """Validate the given states string and return states list."""
-    if len(states_string) == 8:
-        states = []
-        for state_string in states_string:
-            if state_string == "1":
-                state = "ON"
-            elif state_string == "0":
-                state = "OFF"
-            elif state_string == "T":
-                state = "TOGGLE"
-            elif state_string == "-":
-                state = "NOCHANGE"
-            else:
-                raise vol.error.Invalid("Not a valid relay state string.")
-            states.append(state)
-        return states
-    raise vol.error.Invalid("Wrong length of relay state string.")
-
-
-def is_key_lock_states_string(states_string):
-    """Validate the given states string and returns states list."""
-    if len(states_string) == 8:
-        states = []
-        for state_string in states_string:
-            if state_string == "1":
-                state = "ON"
-            elif state_string == "0":
-                state = "OFF"
-            elif state_string == "T":
-                state = "TOGGLE"
-            elif state_string == "-":
-                state = "NOCHANGE"
-            else:
-                raise vol.error.Invalid("Not a valid key lock state string.")
-            states.append(state)
-        return states
-    raise vol.error.Invalid("Wrong length of key lock state string.")
+    if len(states_string) != 8:
+        raise ValueError("Invalid length of states string")
+    states = {"1": "ON", "0": "OFF", "T": "TOGGLE", "-": "NOCHANGE"}
+    return [states[state_string] for state_string in states_string]

homeassistant/components/lcn/services.py

@@ -40,12 +40,7 @@ from .const import (
     VAR_UNITS,
     VARIABLES,
 )
-from .helpers import (
-    get_device_connection,
-    is_address,
-    is_key_lock_states_string,
-    is_relays_states_string,
-)
+from .helpers import get_device_connection, is_address, is_states_string
 
 
 class LcnServiceCall:
@@ -150,9 +145,7 @@ class OutputToggle(LcnServiceCall):
 class Relays(LcnServiceCall):
     """Set the relays status."""
 
-    schema = LcnServiceCall.schema.extend(
-        {vol.Required(CONF_STATE): is_relays_states_string}
-    )
+    schema = LcnServiceCall.schema.extend({vol.Required(CONF_STATE): is_states_string})
 
     async def async_call_service(self, service):
         """Execute service call."""
@@ -330,7 +323,7 @@ class LockKeys(LcnServiceCall):
             vol.Optional(CONF_TABLE, default="a"): vol.All(
                 vol.Upper, cv.matches_regex(r"^[A-D]$")
             ),
-            vol.Required(CONF_STATE): is_key_lock_states_string,
+            vol.Required(CONF_STATE): is_states_string,
             vol.Optional(CONF_TIME, default=0): cv.positive_int,
             vol.Optional(CONF_TIME_UNIT, default=TIME_SECONDS): vol.All(
                 vol.Upper, vol.In(TIME_UNITS)
@@ -361,7 +354,7 @@ class LockKeys(LcnServiceCall):
         else:
             await device_connection.lock_keys(table_id, states)
 
-        handler = device_connection.status_request_handler
+        handler = device_connection.status_requests_handler
         await handler.request_status_locked_keys_timeout()
 
 

homeassistant/components/lcn/services.yaml

@@ -521,7 +521,7 @@ lock_keys:
     table:
       name: Table
       description: "Table with keys to lock (must be A for interval)."
-      example: "a5"
+      example: "a"
       default: a
       selector:
         text: