text: """
  homeassistant.components.thermostat.honeywell
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Adds support for Honeywell Round Connected thermostats.
  
  For more details about this platform, please refer to the documentation at
  https://home-assistant.io/components/thermostat.honeywell/
  """
  import socket
  import logging
  from homeassistant.components.thermostat import ThermostatDevice
  from homeassistant.const import (CONF_USERNAME, CONF_PASSWORD, TEMP_CELCIUS)
  
  REQUIREMENTS = ['evohomeclient==0.2.3']
  
  _LOGGER = logging.getLogger(__name__)
  
  
  # pylint: disable=unused-argument
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """ Sets up the honeywel thermostat. """
      from evohomeclient import EvohomeClient
  
      username = config.get(CONF_USERNAME)
      password = config.get(CONF_PASSWORD)
  
      if username is None or password is None:
          _LOGGER.error("Missing required configuration items %s or %s",
                        CONF_USERNAME, CONF_PASSWORD)
          return False
  
      evo_api = EvohomeClient(username, password)
      try:
          add_devices([RoundThermostat(evo_api)])
      except socket.error:
          _LOGGER.error(
              "Connection error logging into the honeywell evohome web service"
          )
          return False
  
  
  class RoundThermostat(ThermostatDevice):
      """ Represents a Honeywell Round Connected thermostat. """
  
      def __init__(self, device):
          self.device = device
          self._current_temperature = None
          self._target_temperature = None
          self._name = "round connected"
          self.update()
  
      @property
      def name(self):
          """ Returns the name of the honeywell, if any. """
          return self._name
  
      @property
      def unit_of_measurement(self):
          """ Unit of measurement this thermostat expresses itself in. """
          return TEMP_CELCIUS
  
      @property
      def current_temperature(self):
          """ Returns the current temperature. """
          return self._current_temperature
  
      @property
      def target_temperature(self):
          """ Returns the temperature we try to reach. """
          return self._target_temperature
  
      def set_temperature(self, temperature):
          """ Set new target temperature """
          self.device.set_temperature(self._name, temperature)
  
      def update(self):
          try:
              # Only take first thermostat data from API for now
              data = next(self.device.temperatures(force_refresh=True))
          except StopIteration:
              _LOGGER.error("Did not receive any temperature data from the "
                            "evohomeclient API.")
              return
  
          self._current_temperature = data['temp']
          self._target_temperature = data['setpoint']
          self._name = data['name']
  