Make home_assistant imported sensors internal by default (#3372)

esphome/components/homeassistant/text_sensor/__init__.py

@@ -1,9 +1,11 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import text_sensor
-from esphome.const import CONF_ATTRIBUTE, CONF_ENTITY_ID
 
-from .. import homeassistant_ns
+from .. import (
+    HOME_ASSISTANT_IMPORT_SCHEMA,
+    homeassistant_ns,
+    setup_home_assistant_entity,
+)
 
 DEPENDENCIES = ["api"]
 
@@ -11,19 +13,12 @@ HomeassistantTextSensor = homeassistant_ns.class_(
     "HomeassistantTextSensor", text_sensor.TextSensor, cg.Component
 )
 
-CONFIG_SCHEMA = text_sensor.text_sensor_schema().extend(
-    {
-        cv.GenerateID(): cv.declare_id(HomeassistantTextSensor),
-        cv.Required(CONF_ENTITY_ID): cv.entity_id,
-        cv.Optional(CONF_ATTRIBUTE): cv.string,
-    }
+CONFIG_SCHEMA = text_sensor.text_sensor_schema(HomeassistantTextSensor).extend(
+    HOME_ASSISTANT_IMPORT_SCHEMA
 )
 
 
 async def to_code(config):
     var = await text_sensor.new_text_sensor(config)
     await cg.register_component(var, config)
-
-    cg.add(var.set_entity_id(config[CONF_ENTITY_ID]))
-    if CONF_ATTRIBUTE in config:
-        cg.add(var.set_attribute(config[CONF_ATTRIBUTE]))
+    setup_home_assistant_entity(var, config)