75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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"""
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homeassistant.components.device_tracker.geofancy
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Geofancy platform for the device tracker.
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device_tracker:
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platform: geofancy
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"""
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from homeassistant.const import (
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URL_API_GEOFANCY_ENDPOINT,
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HTTP_UNPROCESSABLE_ENTITY, HTTP_INTERNAL_SERVER_ERROR)
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DEPENDENCIES = ['http']
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_SEE = 0
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def setup_scanner(hass, config, see):
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""" Set up an endpoint for the Geofancy app. """
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# Use a global variable to keep setup_scanner compact when using a callback
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global _SEE
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_SEE = see
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""" POST would be semantically better, but that currently does not work
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since Geofancy sends the data as key1=value1&key2=value2 in the request body,
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while Home Assistant expects json there. """
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hass.http.register_path(
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'GET', URL_API_GEOFANCY_ENDPOINT, _handle_get_api_geofancy)
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return True
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def _handle_get_api_geofancy(handler, path_match, data):
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""" Geofancy message received. """
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if not isinstance(data, dict):
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handler.write_json_message(
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"Error while parsing Geofancy message.", HTTP_INTERNAL_SERVER_ERROR)
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return
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if 'latitude' not in data or 'longitude' not in data:
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handler.write_json_message(
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"Location not specified.", HTTP_UNPROCESSABLE_ENTITY)
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return
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if 'device' not in data or 'id' not in data:
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handler.write_json_message(
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"Device id or location id not specified.", HTTP_UNPROCESSABLE_ENTITY)
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return
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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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# If invalid latitude / longitude format
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handler.write_json_message(
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"Invalid latitude / longitude format.", HTTP_UNPROCESSABLE_ENTITY)
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return
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# entity id's in Home Assistant must be alphanumerical
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device_uuid = data['device']
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device_entity_id = device_uuid.replace('-', '')
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kwargs = {
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'dev_id': device_entity_id,
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'gps': gps_coords,
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'location_name': data['id']
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}
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_SEE(**kwargs)
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handler.write_json_message("Geofancy message processed")
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