forked from home-assistant/core
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switch.py
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switch.py
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"""Support for D-Link W215 smart switch."""
from datetime import timedelta
import logging
import urllib
from pyW215.pyW215 import SmartPlug
import voluptuous as vol
from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchEntity
from homeassistant.const import (
ATTR_TEMPERATURE,
CONF_HOST,
CONF_NAME,
CONF_PASSWORD,
CONF_USERNAME,
TEMP_CELSIUS,
)
import homeassistant.helpers.config_validation as cv
from homeassistant.util import dt as dt_util
_LOGGER = logging.getLogger(__name__)
ATTR_TOTAL_CONSUMPTION = "total_consumption"
CONF_USE_LEGACY_PROTOCOL = "use_legacy_protocol"
DEFAULT_NAME = "D-Link Smart Plug W215"
DEFAULT_PASSWORD = ""
DEFAULT_USERNAME = "admin"
SCAN_INTERVAL = timedelta(minutes=2)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PASSWORD, default=DEFAULT_PASSWORD): cv.string,
vol.Required(CONF_USERNAME, default=DEFAULT_USERNAME): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_USE_LEGACY_PROTOCOL, default=False): cv.boolean,
}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up a D-Link Smart Plug."""
host = config[CONF_HOST]
username = config[CONF_USERNAME]
password = config[CONF_PASSWORD]
use_legacy_protocol = config[CONF_USE_LEGACY_PROTOCOL]
name = config[CONF_NAME]
smartplug = SmartPlug(host, password, username, use_legacy_protocol)
data = SmartPlugData(smartplug)
add_entities([SmartPlugSwitch(hass, data, name)], True)
class SmartPlugSwitch(SwitchEntity):
"""Representation of a D-Link Smart Plug switch."""
def __init__(self, hass, data, name):
"""Initialize the switch."""
self.units = hass.config.units
self.data = data
self._name = name
@property
def name(self):
"""Return the name of the Smart Plug."""
return self._name
@property
def device_state_attributes(self):
"""Return the state attributes of the device."""
try:
ui_temp = self.units.temperature(int(self.data.temperature), TEMP_CELSIUS)
temperature = ui_temp
except (ValueError, TypeError):
temperature = None
try:
total_consumption = float(self.data.total_consumption)
except (ValueError, TypeError):
total_consumption = None
attrs = {
ATTR_TOTAL_CONSUMPTION: total_consumption,
ATTR_TEMPERATURE: temperature,
}
return attrs
@property
def current_power_w(self):
"""Return the current power usage in Watt."""
try:
return float(self.data.current_consumption)
except (ValueError, TypeError):
return None
@property
def is_on(self):
"""Return true if switch is on."""
return self.data.state == "ON"
def turn_on(self, **kwargs):
"""Turn the switch on."""
self.data.smartplug.state = "ON"
def turn_off(self, **kwargs):
"""Turn the switch off."""
self.data.smartplug.state = "OFF"
def update(self):
"""Get the latest data from the smart plug and updates the states."""
self.data.update()
@property
def available(self) -> bool:
"""Return True if entity is available."""
return self.data.available
class SmartPlugData:
"""Get the latest data from smart plug."""
def __init__(self, smartplug):
"""Initialize the data object."""
self.smartplug = smartplug
self.state = None
self.temperature = None
self.current_consumption = None
self.total_consumption = None
self.available = False
self._n_tried = 0
self._last_tried = None
def update(self):
"""Get the latest data from the smart plug."""
if self._last_tried is not None:
last_try_s = (dt_util.now() - self._last_tried).total_seconds() / 60
retry_seconds = min(self._n_tried * 2, 10) - last_try_s
if self._n_tried > 0 and retry_seconds > 0:
_LOGGER.warning("Waiting %s s to retry", retry_seconds)
return
_state = "unknown"
try:
self._last_tried = dt_util.now()
_state = self.smartplug.state
except urllib.error.HTTPError:
_LOGGER.error("D-Link connection problem")
if _state == "unknown":
self._n_tried += 1
self.available = False
_LOGGER.warning("Failed to connect to D-Link switch")
return
self.state = _state
self.available = True
self.temperature = self.smartplug.temperature
self.current_consumption = self.smartplug.current_consumption
self.total_consumption = self.smartplug.total_consumption
self._n_tried = 0