Add Text Sensors (#166)

* Text Sensors

* Add version text sensor

* Fix

* Fixes

* Add tests

* Add template text sensor

* Lint

* Fix test

esphomeyaml/components/text_sensor/__init__.py

@@ -0,0 +1,60 @@
+import voluptuous as vol
+
+from esphomeyaml import automation
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_ICON, CONF_ID, CONF_INTERNAL, CONF_MQTT_ID, CONF_ON_VALUE, \
+    CONF_TRIGGER_ID
+from esphomeyaml.helpers import App, Pvariable, add, add_job, esphomelib_ns, setup_mqtt_component, \
+    std_string
+
+PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend({
+
+})
+
+# pylint: disable=invalid-name
+text_sensor_ns = esphomelib_ns.namespace('text_sensor')
+TextSensor = text_sensor_ns.TextSensor
+MQTTTextSensor = text_sensor_ns.MQTTTextSensor
+
+TextSensorValueTrigger = text_sensor_ns.TextSensorValueTrigger
+
+TEXT_SENSOR_SCHEMA = cv.MQTT_COMPONENT_SCHEMA.extend({
+    cv.GenerateID(CONF_MQTT_ID): cv.declare_variable_id(MQTTTextSensor),
+    cv.GenerateID(): cv.declare_variable_id(TextSensor),
+    vol.Optional(CONF_ICON): cv.icon,
+    vol.Optional(CONF_ON_VALUE): vol.All(cv.ensure_list, [automation.validate_automation({
+        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_variable_id(TextSensorValueTrigger),
+    })]),
+})
+
+TEXT_SENSOR_PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(TEXT_SENSOR_SCHEMA.schema)
+
+
+def setup_text_sensor_core_(text_sensor_var, mqtt_var, config):
+    if CONF_INTERNAL in config:
+        add(text_sensor_var.set_internal(config[CONF_INTERNAL]))
+    if CONF_ICON in config:
+        add(text_sensor_var.set_icon(config[CONF_ICON]))
+
+    for conf in config.get(CONF_ON_VALUE, []):
+        rhs = text_sensor_var.make_value_trigger()
+        trigger = Pvariable(conf[CONF_TRIGGER_ID], rhs)
+        automation.build_automation(trigger, std_string, conf)
+
+    setup_mqtt_component(mqtt_var, config)
+
+
+def setup_text_sensor(text_sensor_obj, mqtt_obj, config):
+    sensor_var = Pvariable(config[CONF_ID], text_sensor_obj, has_side_effects=False)
+    mqtt_var = Pvariable(config[CONF_MQTT_ID], mqtt_obj, has_side_effects=False)
+    add_job(setup_text_sensor_core_, sensor_var, mqtt_var, config)
+
+
+def register_text_sensor(var, config):
+    text_sensor_var = Pvariable(config[CONF_ID], var, has_side_effects=True)
+    rhs = App.register_text_sensor(text_sensor_var)
+    mqtt_var = Pvariable(config[CONF_MQTT_ID], rhs, has_side_effects=True)
+    add_job(setup_text_sensor_core_, text_sensor_var, mqtt_var, config)
+
+
+BUILD_FLAGS = '-DUSE_TEXT_SENSOR'

esphomeyaml/components/text_sensor/mqtt_subscribe.py

@@ -0,0 +1,27 @@
+import voluptuous as vol
+
+from esphomeyaml.components import text_sensor
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_MAKE_ID, CONF_NAME, CONF_QOS, CONF_TOPIC
+from esphomeyaml.helpers import App, Application, add, variable
+
+DEPENDENCIES = ['mqtt']
+
+MakeMQTTSubscribeTextSensor = Application.MakeMQTTSubscribeTextSensor
+
+PLATFORM_SCHEMA = cv.nameable(text_sensor.TEXT_SENSOR_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeMQTTSubscribeTextSensor),
+    vol.Required(CONF_TOPIC): cv.subscribe_topic,
+    vol.Optional(CONF_QOS): cv.mqtt_qos,
+}))
+
+
+def to_code(config):
+    rhs = App.make_mqtt_subscribe_text_sensor(config[CONF_NAME], config[CONF_TOPIC])
+    make = variable(config[CONF_MAKE_ID], rhs)
+    if CONF_QOS in config:
+        add(make.Psensor.set_qos(config[CONF_QOS]))
+    text_sensor.setup_text_sensor(make.Psensor, make.Pmqtt, config)
+
+
+BUILD_FLAGS = '-DUSE_MQTT_SUBSCRIBE_TEXT_SENSOR'

esphomeyaml/components/text_sensor/template.py

@@ -0,0 +1,30 @@
+import voluptuous as vol
+
+from esphomeyaml.components import text_sensor
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_LAMBDA, CONF_MAKE_ID, CONF_NAME, CONF_UPDATE_INTERVAL
+from esphomeyaml.helpers import App, Application, add, optional, process_lambda, std_string, \
+    variable
+
+MakeTemplateTextSensor = Application.MakeTemplateTextSensor
+
+PLATFORM_SCHEMA = cv.nameable(text_sensor.TEXT_SENSOR_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeTemplateTextSensor),
+    vol.Required(CONF_LAMBDA): cv.lambda_,
+    vol.Optional(CONF_UPDATE_INTERVAL): cv.update_interval,
+}))
+
+
+def to_code(config):
+    rhs = App.make_template_text_sensor(config[CONF_NAME], config.get(CONF_UPDATE_INTERVAL))
+    make = variable(config[CONF_MAKE_ID], rhs)
+    text_sensor.setup_text_sensor(make.Ptemplate_, make.Pmqtt, config)
+
+    template_ = None
+    for template_ in process_lambda(config[CONF_LAMBDA], [],
+                                    return_type=optional.template(std_string)):
+        yield
+    add(make.Ptemplate_.set_template(template_))
+
+
+BUILD_FLAGS = '-DUSE_TEMPLATE_TEXT_SENSOR'

esphomeyaml/components/text_sensor/version.py

@@ -0,0 +1,19 @@
+from esphomeyaml.components import text_sensor
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_MAKE_ID, CONF_NAME
+from esphomeyaml.helpers import App, Application, variable
+
+MakeVersionTextSensor = Application.MakeVersionTextSensor
+
+PLATFORM_SCHEMA = cv.nameable(text_sensor.TEXT_SENSOR_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeVersionTextSensor),
+}))
+
+
+def to_code(config):
+    rhs = App.make_version_text_sensor(config[CONF_NAME])
+    make = variable(config[CONF_MAKE_ID], rhs)
+    text_sensor.setup_text_sensor(make.Psensor, make.Pmqtt, config)
+
+
+BUILD_FLAGS = '-DUSE_VERSION_TEXT_SENSOR'

tests/test2.yaml

@@ -110,3 +110,20 @@ esp32_ble_beacon:
 
 status_led:
   pin: GPIO2
+
+text_sensor:
+  - platform: version
+    name: "Esphomelib Version"
+    icon: mdi:icon
+    id: version_sensor
+    on_value:
+      lambda: |-
+        ESP_LOGD("main", "The value is %s=%s", x.c_str(), id(version_sensor).value.c_str());
+  - platform: mqtt_subscribe
+    name: "MQTT Subscribe Text"
+    topic: "the/topic"
+    qos: 2
+  - platform: template
+    name: "Template Text Sensor"
+    lambda: |-
+      return {"Hello World"};