text: import voluptuous as vol
  
  import esphomeyaml.config_validation as cv
  from esphomeyaml import pins
  from esphomeyaml.components import sensor
  from esphomeyaml.const import CONF_MAKE_ID, CONF_NAME, CONF_RESOLUTION
  from esphomeyaml.helpers import App, Application, add, gpio_input_pin_expression, variable, \
      setup_component, Component
  
  RotaryEncoderResolution = sensor.sensor_ns.enum('RotaryEncoderResolution')
  RESOLUTIONS = {
      '1': RotaryEncoderResolution.ROTARY_ENCODER_1_PULSE_PER_CYCLE,
      '2': RotaryEncoderResolution.ROTARY_ENCODER_2_PULSES_PER_CYCLE,
      '4': RotaryEncoderResolution.ROTARY_ENCODER_4_PULSES_PER_CYCLE,
  }
  
  CONF_PIN_A = 'pin_a'
  CONF_PIN_B = 'pin_b'
  CONF_PIN_RESET = 'pin_reset'
  
  MakeRotaryEncoderSensor = Application.struct('MakeRotaryEncoderSensor')
  RotaryEncoderSensor = sensor.sensor_ns.class_('RotaryEncoderSensor', sensor.Sensor, Component)
  
  PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
      cv.GenerateID(): cv.declare_variable_id(RotaryEncoderSensor),
      cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeRotaryEncoderSensor),
      vol.Required(CONF_PIN_A): pins.internal_gpio_input_pin_schema,
      vol.Required(CONF_PIN_B): pins.internal_gpio_input_pin_schema,
      vol.Optional(CONF_PIN_RESET): pins.internal_gpio_input_pin_schema,
      vol.Optional(CONF_RESOLUTION): vol.All(cv.string, cv.one_of(*RESOLUTIONS)),
  }).extend(cv.COMPONENT_SCHEMA.schema))
  
  
  def to_code(config):
      for pin_a in gpio_input_pin_expression(config[CONF_PIN_A]):
          yield
      for pin_b in gpio_input_pin_expression(config[CONF_PIN_B]):
          yield
      rhs = App.make_rotary_encoder_sensor(config[CONF_NAME], pin_a, pin_b)
      make = variable(config[CONF_MAKE_ID], rhs)
      encoder = make.Protary_encoder
  
      if CONF_PIN_RESET in config:
          pin_i = None
          for pin_i in gpio_input_pin_expression(config[CONF_PIN_RESET]):
              yield
          add(encoder.set_reset_pin(pin_i))
      if CONF_RESOLUTION in config:
          resolution = RESOLUTIONS[config[CONF_RESOLUTION]]
          add(encoder.set_resolution(resolution))
  
      sensor.setup_sensor(encoder, make.Pmqtt, config)
      setup_component(encoder, config)
  
  
  BUILD_FLAGS = '-DUSE_ROTARY_ENCODER_SENSOR'
  
  
  def to_hass_config(data, config):
      return sensor.core_to_hass_config(data, config)
  