[ruff] Enable RET and fix all violations

esphome/automation.py

@@ -391,8 +391,7 @@ async def build_action(full_config, template_arg, args):
     )
     action_id = full_config[CONF_TYPE_ID]
     builder = registry_entry.coroutine_fun
-    ret = await builder(config, action_id, template_arg, args)
-    return ret
+    return await builder(config, action_id, template_arg, args)
 
 
 async def build_action_list(config, templ, arg_type):
@@ -409,8 +408,7 @@ async def build_condition(full_config, template_arg, args):
     )
     action_id = full_config[CONF_TYPE_ID]
     builder = registry_entry.coroutine_fun
-    ret = await builder(config, action_id, template_arg, args)
-    return ret
+    return await builder(config, action_id, template_arg, args)
 
 
 async def build_condition_list(config, templ, args):

esphome/components/alarm_control_panel/__init__.py

@@ -301,8 +301,7 @@ async def alarm_action_disarm_to_code(config, action_id, template_arg, args):
 )
 async def alarm_action_pending_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_action(
@@ -310,8 +309,7 @@ async def alarm_action_pending_to_code(config, action_id, template_arg, args):
 )
 async def alarm_action_trigger_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_action(
@@ -319,8 +317,7 @@ async def alarm_action_trigger_to_code(config, action_id, template_arg, args):
 )
 async def alarm_action_chime_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_action(
@@ -333,8 +330,7 @@ async def alarm_action_chime_to_code(config, action_id, template_arg, args):
 )
 async def alarm_action_ready_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_condition(

esphome/components/ble_client/__init__.py

@@ -175,8 +175,7 @@ BLE_REMOVE_BOND_ACTION_SCHEMA = cv.Schema(
 )
 async def ble_disconnect_to_code(config, action_id, template_arg, args):
     parent = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, parent)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, parent)
 
 
 @automation.register_action(
@@ -184,8 +183,7 @@ async def ble_disconnect_to_code(config, action_id, template_arg, args):
 )
 async def ble_connect_to_code(config, action_id, template_arg, args):
     parent = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, parent)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, parent)
 
 
 @automation.register_action(
@@ -282,9 +280,7 @@ async def passkey_reply_to_code(config, action_id, template_arg, args):
 )
 async def remove_bond_to_code(config, action_id, template_arg, args):
     parent = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, parent)
-
-    return var
+    return cg.new_Pvariable(action_id, template_arg, parent)
 
 
 async def to_code(config):

esphome/components/esp32/__init__.py

@@ -872,7 +872,7 @@ def get_arduino_partition_csv(flash_size):
     eeprom_partition_start = app1_partition_start + app_partition_size
     spiffs_partition_start = eeprom_partition_start + eeprom_partition_size
 
-    partition_csv = f"""\
+    return f"""\
 nvs,      data, nvs,     0x9000, 0x5000,
 otadata,  data, ota,     0xE000, 0x2000,
 app0,     app,  ota_0,   0x{app0_partition_start:X}, 0x{app_partition_size:X},
@@ -880,20 +880,18 @@ app1,     app,  ota_1,   0x{app1_partition_start:X}, 0x{app_partition_size:X},
 eeprom,   data, 0x99,    0x{eeprom_partition_start:X}, 0x{eeprom_partition_size:X},
 spiffs,   data, spiffs,  0x{spiffs_partition_start:X}, 0x{spiffs_partition_size:X}
 """
-    return partition_csv
 
 
 def get_idf_partition_csv(flash_size):
     app_partition_size = APP_PARTITION_SIZES[flash_size]
 
-    partition_csv = f"""\
+    return f"""\
 otadata,  data, ota,     ,        0x2000,
 phy_init, data, phy,     ,        0x1000,
 app0,     app,  ota_0,   ,        0x{app_partition_size:X},
 app1,     app,  ota_1,   ,        0x{app_partition_size:X},
 nvs,      data, nvs,     ,        0x6D000,
 """
-    return partition_csv
 
 
 def _format_sdkconfig_val(value: SdkconfigValueType) -> str:

esphome/components/esp32/gpio.py

@@ -187,8 +187,7 @@ def validate_supports(value):
             "Open-drain only works with output mode", [CONF_MODE, CONF_OPEN_DRAIN]
         )
 
-    value = _esp32_validations[variant].usage_validation(value)
-    return value
+    return _esp32_validations[variant].usage_validation(value)
 
 
 # https://docs.espressif.com/projects/esp-idf/en/v3.3.5/api-reference/peripherals/gpio.html#_CPPv416gpio_drive_cap_t

esphome/components/esp32_ble_server/__init__.py

@@ -628,5 +628,4 @@ async def ble_server_descriptor_set_value(config, action_id, template_arg, args)
 )
 async def ble_server_characteristic_notify(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/components/haier/climate.py

@@ -330,8 +330,7 @@ HAIER_HON_BASE_ACTION_SCHEMA = automation.maybe_simple_id(
 )
 async def display_action_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_action(
@@ -342,8 +341,7 @@ async def display_action_to_code(config, action_id, template_arg, args):
 )
 async def beeper_action_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 # Start self cleaning or steri-cleaning action action
@@ -359,8 +357,7 @@ async def beeper_action_to_code(config, action_id, template_arg, args):
 )
 async def start_cleaning_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 # Set vertical airflow direction action
@@ -417,8 +414,7 @@ async def haier_set_horizontal_airflow_to_code(config, action_id, template_arg,
 )
 async def health_action_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 @automation.register_action(
@@ -432,8 +428,7 @@ async def health_action_to_code(config, action_id, template_arg, args):
 )
 async def power_action_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 def _final_validate(config):

esphome/components/light/effects.py

@@ -353,10 +353,9 @@ async def addressable_lambda_effect_to_code(config, effect_id):
         (bool, "initial_run"),
     ]
     lambda_ = await cg.process_lambda(config[CONF_LAMBDA], args, return_type=cg.void)
-    var = cg.new_Pvariable(
+    return cg.new_Pvariable(
         effect_id, config[CONF_NAME], lambda_, config[CONF_UPDATE_INTERVAL]
     )
-    return var
 
 
 @register_addressable_effect(

esphome/components/lvgl/automation.py

@@ -85,8 +85,7 @@ async def action_to_code(
     async with LambdaContext(parameters=args, where=action_id) as context:
         for widget in widgets:
             await action(widget)
-    var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
-    return var
+    return cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
 
 
 async def update_to_code(config, action_id, template_arg, args):
@@ -354,8 +353,7 @@ async def widget_focus(config, action_id, template_arg, args):
 
         if config[CONF_FREEZE]:
             lv.group_focus_freeze(group, True)
-        var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
-        return var
+        return cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
 
 
 @automation.register_action(

esphome/components/lvgl/lv_validation.py

@@ -271,8 +271,7 @@ padding = LValidator(padding_validator, int32, retmapper=literal)
 
 
 def zoom_validator(value):
-    value = cv.float_range(0.1, 10.0)(value)
-    return value
+    return cv.float_range(0.1, 10.0)(value)
 
 
 def zoom_retmapper(value):

esphome/components/lvgl/styles.py

@@ -66,8 +66,7 @@ async def style_update_to_code(config, action_id, template_arg, args):
     async with LambdaContext(parameters=args, where=action_id) as context:
         await style_set(style, config)
 
-    var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
-    return var
+    return cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
 
 
 async def theme_to_code(config):

esphome/components/lvgl/widgets/__init__.py

@@ -189,7 +189,7 @@ class Widget:
         for matrix buttons
         :return:
         """
-        return None
+        return
 
     def get_max(self):
         return self.type.get_max(self.config)

esphome/components/lvgl/widgets/buttonmatrix.py

@@ -193,7 +193,7 @@ class ButtonMatrixType(WidgetType):
     async def to_code(self, w: Widget, config):
         lvgl_components_required.add("BUTTONMATRIX")
         if CONF_ROWS not in config:
-            return []
+            return
         text_list, ctrl_list, width_list, key_list = await get_button_data(
             config[CONF_ROWS], w
         )

esphome/components/mqtt/__init__.py

@@ -312,14 +312,13 @@ CONFIG_SCHEMA = cv.All(
 def exp_mqtt_message(config):
     if config is None:
         return cg.optional(cg.TemplateArguments(MQTTMessage))
-    exp = cg.StructInitializer(
+    return cg.StructInitializer(
         MQTTMessage,
         ("topic", config[CONF_TOPIC]),
         ("payload", config.get(CONF_PAYLOAD, "")),
         ("qos", config[CONF_QOS]),
         ("retain", config[CONF_RETAIN]),
     )
-    return exp
 
 
 @coroutine_with_priority(40.0)

esphome/components/one_wire/__init__.py

@@ -18,13 +18,12 @@ def one_wire_device_schema():
 
     :return: The 1-wire device schema, `extend` this in your config schema.
     """
-    schema = cv.Schema(
+    return cv.Schema(
         {
             cv.GenerateID(CONF_ONE_WIRE_ID): cv.use_id(OneWireBus),
             cv.Optional(CONF_ADDRESS): cv.hex_uint64_t,
         }
     )
-    return schema
 
 
 async def register_one_wire_device(var, config):

esphome/components/packages/__init__.py

@@ -186,8 +186,7 @@ def _process_package(package_config, config):
         package_config = _process_base_package(package_config)
     if isinstance(package_config, dict):
         recursive_package = do_packages_pass(package_config)
-    config = merge_config(recursive_package, config)
-    return config
+    return merge_config(recursive_package, config)
 
 
 def do_packages_pass(config: dict):

esphome/components/pmwcs3/sensor.py

@@ -114,8 +114,7 @@ PMWCS3_CALIBRATION_SCHEMA = cv.Schema(
 )
 async def pmwcs3_calibration_to_code(config, action_id, template_arg, args):
     parent = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, parent)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, parent)
 
 
 PMWCS3_NEW_I2C_ADDRESS_SCHEMA = cv.maybe_simple_value(

esphome/components/rf_bridge/__init__.py

@@ -136,8 +136,7 @@ RFBRIDGE_ID_SCHEMA = cv.Schema({cv.GenerateID(): cv.use_id(RFBridgeComponent)})
 @automation.register_action("rf_bridge.learn", RFBridgeLearnAction, RFBRIDGE_ID_SCHEMA)
 async def rf_bridge_learnx_to_code(config, action_id, template_args, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_args, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_args, paren)
 
 
 @automation.register_action(
@@ -149,8 +148,7 @@ async def rf_bridge_start_advanced_sniffing_to_code(
     config, action_id, template_args, args
 ):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_args, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_args, paren)
 
 
 @automation.register_action(
@@ -162,8 +160,7 @@ async def rf_bridge_stop_advanced_sniffing_to_code(
     config, action_id, template_args, args
 ):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_args, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_args, paren)
 
 
 @automation.register_action(
@@ -175,8 +172,7 @@ async def rf_bridge_start_bucket_sniffing_to_code(
     config, action_id, template_args, args
 ):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_args, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_args, paren)
 
 
 RFBRIDGE_SEND_ADVANCED_CODE_SCHEMA = cv.Schema(

esphome/components/rp2040_pio_led_strip/light.py

@@ -125,8 +125,7 @@ writezero:
 
 def time_to_cycles(time_us):
     cycles_per_us = 57.5
-    cycles = round(float(time_us) * cycles_per_us)
-    return cycles
+    return round(float(time_us) * cycles_per_us)
 
 
 CONF_PIO = "pio"

esphome/components/sim800l/__init__.py

@@ -171,8 +171,7 @@ async def sim800l_dial_to_code(config, action_id, template_arg, args):
 )
 async def sim800l_connect_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)
 
 
 SIM800L_SEND_USSD_SCHEMA = cv.Schema(
@@ -201,5 +200,4 @@ async def sim800l_send_ussd_to_code(config, action_id, template_arg, args):
 )
 async def sim800l_disconnect_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/components/ufire_ec/sensor.py

@@ -122,5 +122,4 @@ UFIRE_EC_RESET_SCHEMA = cv.Schema(
 )
 async def ufire_ec_reset_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/components/ufire_ise/sensor.py

@@ -123,5 +123,4 @@ UFIRE_ISE_RESET_SCHEMA = cv.Schema({cv.GenerateID(): cv.use_id(UFireISEComponent
 )
 async def ufire_ise_reset_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    return var
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/config_helpers.py

@@ -111,8 +111,7 @@ def merge_config(full_old, full_new):
                     else:
                         ids[new_id] = len(res)
                 res.append(v)
-            res = [v for i, v in enumerate(res) if i not in ids_to_delete]
-            return res
+            return [v for i, v in enumerate(res) if i not in ids_to_delete]
         if new is None:
             return old
 

esphome/config_validation.py

@@ -1866,7 +1866,7 @@ def validate_registry_entry(name, registry):
 
 def none(value):
     if value in ("none", "None"):
-        return None
+        return
     raise Invalid("Must be none")
 
 

esphome/cpp_helpers.py

@@ -115,7 +115,7 @@ async def build_registry_list(registry, config):
 
 async def past_safe_mode():
     if CONF_SAFE_MODE not in CORE.config:
-        return
+        return None
 
     def _safe_mode_generator():
         while True:

esphome/mqtt.py

@@ -36,7 +36,7 @@ _LOGGER = logging.getLogger(__name__)
 
 
 def config_from_env():
-    config = {
+    return {
         CONF_MQTT: {
             CONF_USERNAME: get_str_env("ESPHOME_DASHBOARD_MQTT_USERNAME"),
             CONF_PASSWORD: get_str_env("ESPHOME_DASHBOARD_MQTT_PASSWORD"),
@@ -44,7 +44,6 @@ def config_from_env():
             CONF_PORT: get_int_env("ESPHOME_DASHBOARD_MQTT_PORT", 1883),
         },
     }
-    return config
 
 
 def initialize(

esphome/vscode.py

@@ -81,8 +81,7 @@ def _print_file_read_event(path: str) -> None:
 
 def _request_and_get_stream_on_stdin(fname: str) -> StringIO:
     _print_file_read_event(fname)
-    raw_yaml_stream = StringIO(_read_file_content_from_json_on_stdin())
-    return raw_yaml_stream
+    return StringIO(_read_file_content_from_json_on_stdin())
 
 
 def _vscode_loader(fname: str) -> dict[str, Any]:

esphome/yaml_util.py

@@ -305,8 +305,7 @@ class ESPHomeLoaderMixin:
         result = self.yaml_loader(self._rel_path(file))
         if not vars:
             vars = {}
-        result = substitute_vars(result, vars)
-        return result
+        return substitute_vars(result, vars)
 
     @_add_data_ref
     def construct_include_dir_list(self, node: yaml.Node) -> list[dict[str, Any]]: