96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
"""
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Support for the myStrom buttons.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.mystrom/
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"""
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import asyncio
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import logging
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from homeassistant.components.binary_sensor import DOMAIN, BinarySensorDevice
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from homeassistant.components.http import HomeAssistantView
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from homeassistant.const import HTTP_UNPROCESSABLE_ENTITY
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['http']
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
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"""Set up myStrom Binary Sensor."""
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hass.http.register_view(MyStromView(async_add_devices))
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return True
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class MyStromView(HomeAssistantView):
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"""View to handle requests from myStrom buttons."""
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url = '/api/mystrom'
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name = 'api:mystrom'
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def __init__(self, add_devices):
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"""Initialize the myStrom URL endpoint."""
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self.buttons = {}
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self.add_devices = add_devices
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@asyncio.coroutine
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def get(self, request):
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"""Handle the GET request received from a myStrom button."""
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res = yield from self._handle(request.app['hass'], request.query)
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return res
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@asyncio.coroutine
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def _handle(self, hass, data):
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"""Handle requests to the myStrom endpoint."""
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button_action = list(data.keys())[0]
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button_id = data[button_action]
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entity_id = '{}.{}_{}'.format(DOMAIN, button_id, button_action)
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if button_action not in ['single', 'double', 'long', 'touch']:
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_LOGGER.error(
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"Received unidentified message from myStrom button: %s", data)
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return ("Received unidentified message: {}".format(data),
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HTTP_UNPROCESSABLE_ENTITY)
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if entity_id not in self.buttons:
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_LOGGER.info("New myStrom button/action detected: %s/%s",
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button_id, button_action)
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self.buttons[entity_id] = MyStromBinarySensor(
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'{}_{}'.format(button_id, button_action))
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hass.async_add_job(self.add_devices, [self.buttons[entity_id]])
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else:
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new_state = True if self.buttons[entity_id].state == 'off' \
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else False
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self.buttons[entity_id].async_on_update(new_state)
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class MyStromBinarySensor(BinarySensorDevice):
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"""Representation of a myStrom button."""
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def __init__(self, button_id):
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"""Initialize the myStrom Binary sensor."""
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self._button_id = button_id
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self._state = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._button_id
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def is_on(self):
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"""Return true if the binary sensor is on."""
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return self._state
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def async_on_update(self, value):
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"""Receive an update."""
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self._state = value
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self.async_schedule_update_ha_state()
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