core/homeassistant/components/switch/mystrom.py

95 lines
2.7 KiB
Python

"""
Support for myStrom switches.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/switch.mystrom/
"""
import logging
import voluptuous as vol
from homeassistant.components.switch import (SwitchDevice, PLATFORM_SCHEMA)
from homeassistant.const import (CONF_NAME, CONF_HOST)
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['python-mystrom==0.4.4']
DEFAULT_NAME = 'myStrom Switch'
_LOGGER = logging.getLogger(__name__)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Find and return myStrom switch."""
from pymystrom.switch import MyStromPlug, exceptions
name = config.get(CONF_NAME)
host = config.get(CONF_HOST)
try:
MyStromPlug(host).get_status()
except exceptions.MyStromConnectionError:
_LOGGER.error("No route to device: %s", host)
return
add_devices([MyStromSwitch(name, host)])
class MyStromSwitch(SwitchDevice):
"""Representation of a myStrom switch."""
def __init__(self, name, resource):
"""Initialize the myStrom switch."""
from pymystrom.switch import MyStromPlug
self._name = name
self._resource = resource
self.data = {}
self.plug = MyStromPlug(self._resource)
self.update()
@property
def name(self):
"""Return the name of the switch."""
return self._name
@property
def is_on(self):
"""Return true if switch is on."""
return bool(self.data['relay'])
@property
def current_power_w(self):
"""Return the current power consumption in W."""
return round(self.data['power'], 2)
def turn_on(self, **kwargs):
"""Turn the switch on."""
from pymystrom import exceptions
try:
self.plug.set_relay_on()
except exceptions.MyStromConnectionError:
_LOGGER.error("No route to device: %s", self._resource)
def turn_off(self, **kwargs):
"""Turn the switch off."""
from pymystrom import exceptions
try:
self.plug.set_relay_off()
except exceptions.MyStromConnectionError:
_LOGGER.error("No route to device: %s", self._resource)
def update(self):
"""Get the latest data from the device and update the data."""
from pymystrom import exceptions
try:
self.data = self.plug.get_status()
except exceptions.MyStromConnectionError:
self.data = {'power': 0, 'relay': False}
_LOGGER.error("No route to device: %s", self._resource)