121 lines
4.1 KiB
Python
121 lines
4.1 KiB
Python
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"""
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Support for Locative.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/locative/
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"""
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import logging
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from homeassistant.components.device_tracker import \
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DOMAIN as DEVICE_TRACKER_DOMAIN
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from homeassistant.components.http import HomeAssistantView
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from homeassistant.const import HTTP_UNPROCESSABLE_ENTITY, ATTR_LATITUDE, \
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ATTR_LONGITUDE, STATE_NOT_HOME
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from homeassistant.helpers.discovery import async_load_platform
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from homeassistant.helpers.dispatcher import async_dispatcher_send
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = 'locative'
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DEPENDENCIES = ['http']
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URL = '/api/locative'
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TRACKER_UPDATE = '{}_tracker_update'.format(DOMAIN)
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async def async_setup(hass, hass_config):
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"""Set up the Locative component."""
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hass.http.register_view(LocativeView)
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hass.async_create_task(
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async_load_platform(hass, 'device_tracker', DOMAIN, {}, hass_config)
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)
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return True
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class LocativeView(HomeAssistantView):
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"""View to handle Locative requests."""
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url = URL
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name = 'api:locative'
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def __init__(self):
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"""Initialize Locative URL endpoints."""
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async def get(self, request):
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"""Locative message received as GET."""
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return await self._handle(request.app['hass'], request.query)
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async def post(self, request):
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"""Locative message received."""
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data = await request.post()
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return await self._handle(request.app['hass'], data)
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async def _handle(self, hass, data):
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"""Handle locative request."""
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if 'latitude' not in data or 'longitude' not in data:
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return ('Latitude and longitude not specified.',
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HTTP_UNPROCESSABLE_ENTITY)
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if 'device' not in data:
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_LOGGER.error('Device id not specified.')
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return ('Device id not specified.',
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HTTP_UNPROCESSABLE_ENTITY)
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if 'trigger' not in data:
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_LOGGER.error('Trigger is not specified.')
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return ('Trigger is not specified.',
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HTTP_UNPROCESSABLE_ENTITY)
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if 'id' not in data and data['trigger'] != 'test':
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_LOGGER.error('Location id not specified.')
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return ('Location id not specified.',
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HTTP_UNPROCESSABLE_ENTITY)
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device = data['device'].replace('-', '')
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location_name = data.get('id', data['trigger']).lower()
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direction = data['trigger']
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gps_location = (data[ATTR_LATITUDE], data[ATTR_LONGITUDE])
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if direction == 'enter':
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async_dispatcher_send(
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hass,
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TRACKER_UPDATE,
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device,
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gps_location,
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location_name
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)
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return 'Setting location to {}'.format(location_name)
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if direction == 'exit':
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current_state = hass.states.get(
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'{}.{}'.format(DEVICE_TRACKER_DOMAIN, device))
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if current_state is None or current_state.state == location_name:
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location_name = STATE_NOT_HOME
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async_dispatcher_send(
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hass,
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TRACKER_UPDATE,
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device,
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gps_location,
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location_name
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)
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return 'Setting location to not home'
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# Ignore the message if it is telling us to exit a zone that we
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# aren't currently in. This occurs when a zone is entered
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# before the previous zone was exited. The enter message will
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# be sent first, then the exit message will be sent second.
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return 'Ignoring exit from {} (already in {})'.format(
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location_name, current_state)
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if direction == 'test':
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# In the app, a test message can be sent. Just return something to
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# the user to let them know that it works.
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return 'Received test message.'
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_LOGGER.error('Received unidentified message from Locative: %s',
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direction)
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return ('Received unidentified message: {}'.format(direction),
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HTTP_UNPROCESSABLE_ENTITY)
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