core/homeassistant/components/switch/demo.py

74 lines
1.9 KiB
Python

"""
Demo platform that has two fake switches.
For more details about this platform, please refer to the documentation
https://home-assistant.io/components/demo/
"""
from homeassistant.components.switch import SwitchDevice
from homeassistant.const import DEVICE_DEFAULT_NAME
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
"""Set up the demo switches."""
add_devices_callback([
DemoSwitch('Decorative Lights', True, None, True),
DemoSwitch('AC', False, 'mdi:air-conditioner', False)
])
class DemoSwitch(SwitchDevice):
"""Representation of a demo switch."""
def __init__(self, name, state, icon, assumed):
"""Initialize the Demo switch."""
self._name = name or DEVICE_DEFAULT_NAME
self._state = state
self._icon = icon
self._assumed = assumed
@property
def should_poll(self):
"""No polling needed for a demo switch."""
return False
@property
def name(self):
"""Return the name of the device if any."""
return self._name
@property
def icon(self):
"""Return the icon to use for device if any."""
return self._icon
@property
def assumed_state(self):
"""Return if the state is based on assumptions."""
return self._assumed
@property
def current_power_w(self):
"""Return the current power usage in W."""
if self._state:
return 100
@property
def today_energy_kwh(self):
"""Return the today total energy usage in kWh."""
return 15
@property
def is_on(self):
"""Return true if switch is on."""
return self._state
def turn_on(self, **kwargs):
"""Turn the switch on."""
self._state = True
self.schedule_update_ha_state()
def turn_off(self, **kwargs):
"""Turn the device off."""
self._state = False
self.schedule_update_ha_state()