[const] Share CONF_VALUE_TYPE across components (#21062)

esphome/components/const/__init__.py

@@ -70,6 +70,7 @@ CONF_STATE_SAVE_INTERVAL = "state_save_interval"
 CONF_STOP_BITS = "stop_bits"
 CONF_TARGET_COUNT = "target_count"
 CONF_USE_PSRAM = "use_psram"
+CONF_VALUE_TYPE = "value_type"
 CONF_VERIFY_SSL = "verify_ssl"
 CONF_VOC_INDEX = "voc_index"
 CONF_VOLUME_INCREMENT = "volume_increment"

esphome/components/modbus_controller/const.py

@@ -1,3 +1,5 @@
+from esphome.components.const import CONF_VALUE_TYPE  # noqa: F401  # pylint: disable=unused-import
+
 CONF_ALLOW_DUPLICATE_COMMANDS = "allow_duplicate_commands"
 CONF_BITMASK = "bitmask"
 CONF_BYTE_OFFSET = "byte_offset"
@@ -23,5 +25,4 @@ CONF_SERVER_COURTESY_RESPONSE = "server_courtesy_response"
 CONF_SERVER_REGISTERS = "server_registers"
 CONF_SKIP_UPDATES = "skip_updates"
 CONF_USE_WRITE_MULTIPLE = "use_write_multiple"
-CONF_VALUE_TYPE = "value_type"
 CONF_WRITE_LAMBDA = "write_lambda"

esphome/components/modbus_server/const.py

@@ -1,6 +1,7 @@
+from esphome.components.const import CONF_VALUE_TYPE  # noqa: F401  # pylint: disable=unused-import
+
 CONF_REGISTER_LAST_ADDRESS = "register_last_address"
 CONF_REGISTER_VALUE = "register_value"
-CONF_VALUE_TYPE = "value_type"
 CONF_COURTESY_RESPONSE = "courtesy_response"
 CONF_READ_LAMBDA = "read_lambda"
 CONF_WRITE_LAMBDA = "write_lambda"