126 lines
4.5 KiB
Python
126 lines
4.5 KiB
Python
"""
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homeassistant.components.device_tracker.locative
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Locative platform for the device tracker.
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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/device_tracker.locative/
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"""
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import logging
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from functools import partial
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from homeassistant.const import (
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HTTP_UNPROCESSABLE_ENTITY, HTTP_INTERNAL_SERVER_ERROR, STATE_NOT_HOME)
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['http', 'zone']
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URL_API_LOCATIVE_ENDPOINT = "/api/locative"
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def setup_scanner(hass, config, see):
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""" Set up an endpoint for the Locative app. """
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# POST would be semantically better, but that currently does not work
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# since Locative sends the data as key1=value1&key2=value2
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# in the request body, while Home Assistant expects json there.
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hass.http.register_path(
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'GET', URL_API_LOCATIVE_ENDPOINT,
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partial(_handle_get_api_locative, hass, see))
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return True
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def _handle_get_api_locative(hass, see, handler, path_match, data):
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""" Locative message received. """
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if not _check_data(handler, data):
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return
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device = data['device'].replace('-', '')
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location_name = data['id']
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direction = data['trigger']
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try:
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gps_coords = (float(data['latitude']), float(data['longitude']))
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except ValueError:
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handler.write_json_message("Invalid latitude / longitude format.",
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HTTP_UNPROCESSABLE_ENTITY)
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_LOGGER.error("Received invalid latitude / longitude format.")
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return
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if direction == 'enter':
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zones = [state for state in hass.states.entity_ids('zone')]
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_LOGGER.info(zones)
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if "zone.{}".format(location_name.lower()) in zones:
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see(dev_id=device, location_name=location_name)
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handler.write_json_message(
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"Set new location to {}".format(location_name))
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else:
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see(dev_id=device, gps=gps_coords)
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handler.write_json_message(
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"Set new location to {}".format(gps_coords))
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elif direction == 'exit':
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current_zone = hass.states.get(
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"{}.{}".format("device_tracker", device)).state
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if current_zone.lower() == location_name.lower():
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see(dev_id=device, location_name=STATE_NOT_HOME)
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handler.write_json_message("Set new location to not home")
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else:
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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 before
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# the previous zone was exited. The enter message will be sent
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# first, then the exit message will be sent second.
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handler.write_json_message(
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"Ignoring transition from {}".format(location_name))
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elif 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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handler.write_text("Received test message.")
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else:
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handler.write_json_message(
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"Received unidentified message: {}".format(direction))
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_LOGGER.error("Received unidentified message from Locative: %s",
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direction)
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def _check_data(handler, data):
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if not isinstance(data, dict):
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handler.write_json_message("Error while parsing Locative message.",
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HTTP_INTERNAL_SERVER_ERROR)
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_LOGGER.error("Error while parsing Locative message: "
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"data is not a dict.")
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return False
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if 'latitude' not in data or 'longitude' not in data:
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handler.write_json_message("Latitude and longitude not specified.",
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HTTP_UNPROCESSABLE_ENTITY)
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_LOGGER.error("Latitude and longitude not specified.")
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return False
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if 'device' not in data:
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handler.write_json_message("Device id not specified.",
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HTTP_UNPROCESSABLE_ENTITY)
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_LOGGER.error("Device id not specified.")
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return False
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if 'id' not in data:
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handler.write_json_message("Location id not specified.",
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HTTP_UNPROCESSABLE_ENTITY)
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_LOGGER.error("Location id not specified.")
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return False
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if 'trigger' not in data:
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handler.write_json_message("Trigger is not specified.",
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HTTP_UNPROCESSABLE_ENTITY)
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_LOGGER.error("Trigger is not specified.")
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return False
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return True
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