41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
"""
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Support for tracking MQTT enabled devices.
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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.mqtt/
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"""
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import logging
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import voluptuous as vol
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import homeassistant.components.mqtt as mqtt
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from homeassistant.const import CONF_DEVICES
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from homeassistant.components.mqtt import CONF_QOS
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import homeassistant.helpers.config_validation as cv
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DEPENDENCIES = ['mqtt']
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend({
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vol.Required(CONF_DEVICES): {cv.string: mqtt.valid_subscribe_topic},
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})
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def setup_scanner(hass, config, see):
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"""Setup the MQTT tracker."""
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devices = config[CONF_DEVICES]
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qos = config[CONF_QOS]
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dev_id_lookup = {}
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def device_tracker_message_received(topic, payload, qos):
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"""MQTT message received."""
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see(dev_id=dev_id_lookup[topic], location_name=payload)
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for dev_id, topic in devices.items():
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dev_id_lookup[topic] = dev_id
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mqtt.subscribe(hass, topic, device_tracker_message_received, qos)
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return True
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