How to use the homeassistant.const.CONF_NAME function in homeassistant

def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up the Zestimate sensor."""
    name = config.get(CONF_NAME)
    properties = config[CONF_ZPID]
    params = {'zws-id': config[CONF_API_KEY]}

    sensors = []
    for zpid in properties:
        params['zpid'] = zpid
        sensors.append(ZestimateDataSensor(name, params))
    add_entities(sensors, True)

EVENT_HOMEASSISTANT_STOP,
)
from homeassistant.core import callback
from homeassistant.helpers import config_validation as cv, discovery
from homeassistant.helpers.aiohttp_client import async_create_clientsession

_LOGGER = logging.getLogger(__name__)

DOMAIN = "tplink_lte"
DATA_KEY = "tplink_lte"

CONF_NOTIFY = "notify"

_NOTIFY_SCHEMA = vol.Schema(
    {
        vol.Optional(CONF_NAME): cv.string,
        vol.Optional(CONF_RECIPIENT): vol.All(cv.ensure_list, [cv.string]),
    }
)

CONFIG_SCHEMA = vol.Schema(
    {
        DOMAIN: vol.All(
            cv.ensure_list,
            [
                vol.Schema(
                    {
                        vol.Required(CONF_HOST): cv.string,
                        vol.Required(CONF_PASSWORD): cv.string,
                        vol.Optional(CONF_NOTIFY): vol.All(
                            cv.ensure_list, [_NOTIFY_SCHEMA]
                        ),

def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
    """Set up homeGW climate devices."""
    serial_sensor = config[CONF_SERIAL_ENTITY]
    dev_channel = config[CONF_DEV_CHANNEL]
    heating_sensor = config.get(CONF_HEATING_ENTITY)
    name = config.get(CONF_NAME, DEFAULT_NAME)
    target_temp = config.get(CONF_TARGET_TEMP)

    async_add_devices([
        HomeGWClimate(hass, name, serial_sensor,
                      heating_sensor, dev_channel, target_temp)
    ])

async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
    """Set up the sensor platform."""
    websession = async_get_clientsession(hass)
    apikey = config.get(CONF_API_KEY)
    bandwidthcap = config.get(CONF_TOTAL_BANDWIDTH)

    ts_data = StartcaData(hass.loop, websession, apikey, bandwidthcap)
    ret = await ts_data.async_update()
    if ret is False:
        _LOGGER.error("Invalid Start.ca API key: %s", apikey)
        return

    name = config.get(CONF_NAME)
    sensors = []
    for variable in config[CONF_MONITORED_VARIABLES]:
        sensors.append(StartcaSensor(ts_data, variable, name))
    async_add_entities(sensors, True)

CONF_CONTINUOUS = "continuous"

DEFAULT_CERT = "/etc/ssl/certs/ca-certificates.crt"
DEFAULT_CONTINUOUS = True
DEFAULT_NAME = "Roomba"

PLATFORM = "roomba"

FAN_SPEED_AUTOMATIC = "Automatic"
FAN_SPEED_ECO = "Eco"
FAN_SPEED_PERFORMANCE = "Performance"
FAN_SPEEDS = [FAN_SPEED_AUTOMATIC, FAN_SPEED_ECO, FAN_SPEED_PERFORMANCE]

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
    {
        vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
        vol.Required(CONF_HOST): cv.string,
        vol.Required(CONF_USERNAME): cv.string,
        vol.Required(CONF_PASSWORD): cv.string,
        vol.Optional(CONF_CERT, default=DEFAULT_CERT): cv.string,
        vol.Optional(CONF_CONTINUOUS, default=DEFAULT_CONTINUOUS): cv.boolean,
    },
    extra=vol.ALLOW_EXTRA,
)

# Commonly supported features
SUPPORT_ROOMBA = (
    SUPPORT_BATTERY
    | SUPPORT_PAUSE
    | SUPPORT_RETURN_HOME
    | SUPPORT_SEND_COMMAND
    | SUPPORT_STATUS

sessmaker = scoped_session(sessionmaker(bind=engine))

        # Run a dummy query just to test the db_url
        sess = sessmaker()
        sess.execute("SELECT 1;")

    except sqlalchemy.exc.SQLAlchemyError as err:
        _LOGGER.error("Couldn't connect using %s DB_URL: %s", db_url, err)
        return
    finally:
        sess.close()

    queries = []

    for query in config.get(CONF_QUERIES):
        name = query.get(CONF_NAME)
        query_str = query.get(CONF_QUERY)
        unit = query.get(CONF_UNIT_OF_MEASUREMENT)
        value_template = query.get(CONF_VALUE_TEMPLATE)
        column_name = query.get(CONF_COLUMN_NAME)

        if value_template is not None:
            value_template.hass = hass

        sensor = SQLSensor(
            name, sessmaker, query_str, column_name, unit, value_template
        )
        queries.append(sensor)

    add_entities(queries, True)

from homeassistant.components.knx import ATTR_DISCOVER_DEVICES, DATA_KNX
from homeassistant.components.scene import CONF_PLATFORM, Scene
from homeassistant.const import CONF_NAME
from homeassistant.core import callback
import homeassistant.helpers.config_validation as cv

CONF_ADDRESS = 'address'
CONF_SCENE_NUMBER = 'scene_number'

DEFAULT_NAME = 'KNX SCENE'
DEPENDENCIES = ['knx']

PLATFORM_SCHEMA = vol.Schema({
    vol.Required(CONF_PLATFORM): 'knx',
    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
    vol.Required(CONF_ADDRESS): cv.string,
    vol.Required(CONF_SCENE_NUMBER): cv.positive_int,
})


async def async_setup_platform(hass, config, async_add_entities,
                               discovery_info=None):
    """Set up the scenes for KNX platform."""
    if discovery_info is not None:
        async_add_entities_discovery(hass, discovery_info, async_add_entities)
    else:
        async_add_entities_config(hass, config, async_add_entities)


@callback
def async_add_entities_discovery(hass, discovery_info, async_add_entities):

DEFAULT_HOST = "localhost"
DEFAULT_NAME = "pyLoad"
DEFAULT_PORT = 8000

MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=15)

SENSOR_TYPES = {"speed": ["speed", "Speed", "MB/s"]}

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
    {
        vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
        vol.Optional(CONF_MONITORED_VARIABLES, default=["speed"]): vol.All(
            cv.ensure_list, [vol.In(SENSOR_TYPES)]
        ),
        vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
        vol.Optional(CONF_PASSWORD): cv.string,
        vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
        vol.Optional(CONF_SSL, default=False): cv.boolean,
        vol.Optional(CONF_USERNAME): cv.string,
    }
)


def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up the pyLoad sensors."""
    host = config.get(CONF_HOST)
    port = config.get(CONF_PORT)
    ssl = "s" if config.get(CONF_SSL) else ""
    name = config.get(CONF_NAME)
    username = config.get(CONF_USERNAME)
    password = config.get(CONF_PASSWORD)

DEFAULT_SIGNAL_REPETITIONS,
    RECEIVED_EVT_SUBSCRIBERS,
    RfxtrxDevice,
    apply_received_command,
    get_devices_from_config,
    get_new_device,
)

_LOGGER = logging.getLogger(__name__)

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
    {
        vol.Optional(CONF_DEVICES, default={}): {
            cv.string: vol.Schema(
                {
                    vol.Required(CONF_NAME): cv.string,
                    vol.Optional(CONF_FIRE_EVENT, default=False): cv.boolean,
                }
            )
        },
        vol.Optional(CONF_AUTOMATIC_ADD, default=False): cv.boolean,
        vol.Optional(
            CONF_SIGNAL_REPETITIONS, default=DEFAULT_SIGNAL_REPETITIONS
        ): vol.Coerce(int),
    }
)


def setup_platform(hass, config, add_entities_callback, discovery_info=None):
    """Set up the RFXtrx platform."""
    # Add switch from config file
    switches = get_devices_from_config(config, RfxtrxSwitch)

def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up the OpenWeatherMap sensor."""

    if None in (hass.config.latitude, hass.config.longitude):
        _LOGGER.error("Latitude or longitude not set in Home Assistant config")
        return

    SENSOR_TYPES["temperature"][1] = hass.config.units.temperature_unit

    name = config.get(CONF_NAME)
    forecast = config.get(CONF_FORECAST)
    language = config.get(CONF_LANGUAGE)
    if isinstance(language, str):
        language = language.lower()[:2]

    owm = OWM(API_key=config.get(CONF_API_KEY), language=language)

    if not owm:
        _LOGGER.error("Unable to connect to OpenWeatherMap")
        return

    data = WeatherData(owm, forecast, hass.config.latitude, hass.config.longitude)
    dev = []
    for variable in config[CONF_MONITORED_CONDITIONS]:
        dev.append(
            OpenWeatherMapSensor(name, data, variable, SENSOR_TYPES[variable][1])