initial owntracks support

homeassistant/components/device_tracker/owntracks.py

@@ -0,0 +1,31 @@
+"""
+homeassistant.components.device_tracker.owntracks
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+OwnTracks platform for the device tracker.
+
+device_tracker:
+  platform: owntracks
+"""
+import json
+
+import homeassistant.components.mqtt as mqtt
+
+DEPENDENCIES = ['mqtt']
+
+LOCATION_TOPIC = 'owntracks/+/+'
+
+
+def setup_scanner(hass, config, see):
+    """ Set up a MQTT tracker. """
+
+    def owntracks_location_update(topic, payload, qos):
+        """ MQTT message received. """
+        parts = topic.split('/')
+        data = json.loads(payload)
+        dev_id = '{}_{}'.format(parts[1], parts[2])
+        see(dev_id=dev_id, host_name=parts[1], gps=[data['lat'], data['lon']])
+
+    mqtt.subscribe(hass, LOCATION_TOPIC, owntracks_location_update, 1)
+
+    return True