text: """Support for monitoring pyLoad."""
  from datetime import timedelta
  import logging
  
  from aiohttp.hdrs import CONTENT_TYPE
  import requests
  import voluptuous as vol
  
  from homeassistant.components.sensor import PLATFORM_SCHEMA
  from homeassistant.const import (
      CONF_HOST,
      CONF_MONITORED_VARIABLES,
      CONF_NAME,
      CONF_PASSWORD,
      CONF_PORT,
      CONF_SSL,
      CONF_USERNAME,
      CONTENT_TYPE_JSON,
      DATA_RATE_MEGABYTES_PER_SECOND,
  )
  import homeassistant.helpers.config_validation as cv
  from homeassistant.helpers.entity import Entity
  from homeassistant.util import Throttle
  
  _LOGGER = logging.getLogger(__name__)
  
  DEFAULT_HOST = "localhost"
  DEFAULT_NAME = "pyLoad"
  DEFAULT_PORT = 8000
  
  MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=15)
  
  SENSOR_TYPES = {"speed": ["speed", "Speed", DATA_RATE_MEGABYTES_PER_SECOND]}
  
  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)
      monitored_types = config.get(CONF_MONITORED_VARIABLES)
      url = f"http{ssl}://{host}:{port}/api/"
  
      try:
          pyloadapi = PyLoadAPI(api_url=url, username=username, password=password)
          pyloadapi.update()
      except (
          requests.exceptions.ConnectionError,
          requests.exceptions.HTTPError,
      ) as conn_err:
          _LOGGER.error("Error setting up pyLoad API: %s", conn_err)
          return False
  
      devices = []
      for ng_type in monitored_types:
          new_sensor = PyLoadSensor(
              api=pyloadapi, sensor_type=SENSOR_TYPES.get(ng_type), client_name=name
          )
          devices.append(new_sensor)
  
      add_entities(devices, True)
  
  
  class PyLoadSensor(Entity):
      """Representation of a pyLoad sensor."""
  
      def __init__(self, api, sensor_type, client_name):
          """Initialize a new pyLoad sensor."""
          self._name = "{} {}".format(client_name, sensor_type[1])
          self.type = sensor_type[0]
          self.api = api
          self._state = None
          self._unit_of_measurement = sensor_type[2]
  
      @property
      def name(self):
          """Return the name of the sensor."""
          return self._name
  
      @property
      def state(self):
          """Return the state of the sensor."""
          return self._state
  
      @property
      def unit_of_measurement(self):
          """Return the unit of measurement of this entity, if any."""
          return self._unit_of_measurement
  
      def update(self):
          """Update state of sensor."""
          try:
              self.api.update()
          except requests.exceptions.ConnectionError:
              # Error calling the API, already logged in api.update()
              return
  
          if self.api.status is None:
              _LOGGER.debug(
                  "Update of %s requested, but no status is available", self._name
              )
              return
  
          value = self.api.status.get(self.type)
          if value is None:
              _LOGGER.warning("Unable to locate value for %s", self.type)
              return
  
          if "speed" in self.type and value > 0:
              # Convert download rate from Bytes/s to MBytes/s
              self._state = round(value / 2 ** 20, 2)
          else:
              self._state = value
  
  
  class PyLoadAPI:
      """Simple wrapper for pyLoad's API."""
  
      def __init__(self, api_url, username=None, password=None):
          """Initialize pyLoad API and set headers needed later."""
          self.api_url = api_url
          self.status = None
          self.headers = {CONTENT_TYPE: CONTENT_TYPE_JSON}
  
          if username is not None and password is not None:
              self.payload = {"username": username, "password": password}
              self.login = requests.post(
                  "{}{}".format(api_url, "login"), data=self.payload, timeout=5
              )
          self.update()
  
      def post(self, method, params=None):
          """Send a POST request and return the response as a dict."""
          payload = {"method": method}
  
          if params:
              payload["params"] = params
  
          try:
              response = requests.post(
                  "{}{}".format(self.api_url, "statusServer"),
                  json=payload,
                  cookies=self.login.cookies,
                  headers=self.headers,
                  timeout=5,
              )
              response.raise_for_status()
              _LOGGER.debug("JSON Response: %s", response.json())
              return response.json()
  
          except requests.exceptions.ConnectionError as conn_exc:
              _LOGGER.error("Failed to update pyLoad status. Error: %s", conn_exc)
              raise
  
      @Throttle(MIN_TIME_BETWEEN_UPDATES)
      def update(self):
          """Update cached response."""
          self.status = self.post("speed")
  