Add support for GPSD (#2254)

* Add support for GPSD

* Add gpsd.py

* Check if socket is open

* Fix pylint issue

* Rename file to be a sensor

* Update for being a sensor

* Rework for being a sensor

.coveragerc

@@ -130,6 +130,7 @@ omit =
     homeassistant/components/foursquare.py
     homeassistant/components/garage_door/wink.py
     homeassistant/components/garage_door/rpi_gpio.py
+    homeassistant/components/gpsd.py
     homeassistant/components/hdmi_cec.py
     homeassistant/components/ifttt.py
     homeassistant/components/joaoapps_join.py
@@ -203,6 +204,7 @@ omit =
     homeassistant/components/sensor/forecast.py
     homeassistant/components/sensor/glances.py
     homeassistant/components/sensor/google_travel_time.py
+    homeassistant/components/sensor/gpsd.py
     homeassistant/components/sensor/gtfs.py
     homeassistant/components/sensor/imap.py
     homeassistant/components/sensor/lastfm.py

homeassistant/components/sensor/gpsd.py

@@ -0,0 +1,111 @@
+"""
+Support for GPSD.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.gpsd/
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.helpers.entity import Entity
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import (ATTR_LATITUDE, ATTR_LONGITUDE, STATE_UNKNOWN,
+                                 CONF_HOST, CONF_PORT, CONF_PLATFORM,
+                                 CONF_NAME)
+
+REQUIREMENTS = ['gps3==0.33.2']
+
+DEFAULT_NAME = 'GPS'
+DEFAULT_HOST = 'localhost'
+DEFAULT_PORT = 2947
+
+ATTR_GPS_TIME = 'gps_time'
+ATTR_ELEVATION = 'elevation'
+ATTR_SPEED = 'speed'
+ATTR_CLIMB = 'climb'
+ATTR_MODE = 'mode'
+
+PLATFORM_SCHEMA = vol.Schema({
+    vol.Required(CONF_PLATFORM): 'gpsd',
+    vol.Optional(CONF_NAME): cv.string,
+    vol.Optional(CONF_HOST): cv.string,
+    vol.Optional(CONF_PORT): cv.string,
+})
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the GPSD component."""
+    name = config.get(CONF_NAME, DEFAULT_NAME)
+    host = config.get(CONF_HOST, DEFAULT_HOST)
+    port = config.get(CONF_PORT, DEFAULT_PORT)
+
+    # Will hopefully be possible with the next gps3 update
+    # https://github.com/wadda/gps3/issues/11
+    # from gps3 import gps3
+    # try:
+    #     gpsd_socket = gps3.GPSDSocket()
+    #     gpsd_socket.connect(host=host, port=port)
+    # except GPSError:
+    #     _LOGGER.warning('Not able to connect to GPSD')
+    #     return False
+    import socket
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    try:
+        sock.connect((host, port))
+        sock.shutdown(2)
+        _LOGGER.debug('Connection to GPSD possible')
+    except socket.error:
+        _LOGGER.error('Not able to connect to GPSD')
+        return False
+
+    add_devices([GpsdSensor(hass, name, host, port)])
+
+
+class GpsdSensor(Entity):
+    """Representation of a GPS receiver available via GPSD."""
+
+    def __init__(self, hass, name, host, port):
+        """Initialize the GPSD sensor."""
+        from gps3.agps3threaded import AGPS3mechanism
+
+        self.hass = hass
+        self._name = name
+        self._host = host
+        self._port = port
+
+        self.agps_thread = AGPS3mechanism()
+        self.agps_thread.stream_data(host=self._host, port=self._port)
+        self.agps_thread.run_thread()
+
+    @property
+    def name(self):
+        """Return the name."""
+        return self._name
+
+    # pylint: disable=no-member
+    @property
+    def state(self):
+        """Return the state of GPSD."""
+        if self.agps_thread.data_stream.mode == 3:
+            return "3D Fix"
+        elif self.agps_thread.data_stream.mode == 2:
+            return "2D Fix"
+        else:
+            return STATE_UNKNOWN
+
+    @property
+    def state_attributes(self):
+        """Return the state attributes of the GPS."""
+        return {
+            ATTR_LATITUDE: self.agps_thread.data_stream.lat,
+            ATTR_LONGITUDE: self.agps_thread.data_stream.lon,
+            ATTR_ELEVATION: self.agps_thread.data_stream.alt,
+            ATTR_GPS_TIME: self.agps_thread.data_stream.time,
+            ATTR_SPEED: self.agps_thread.data_stream.speed,
+            ATTR_CLIMB: self.agps_thread.data_stream.climb,
+            ATTR_MODE: self.agps_thread.data_stream.mode,
+        }

requirements_all.txt

@@ -88,6 +88,9 @@ gntp==1.0.3
 # homeassistant.components.sensor.google_travel_time
 googlemaps==2.4.4
 
+# homeassistant.components.sensor.gpsd
+gps3==0.33.2
+
 # homeassistant.components.camera.ffmpeg
 ha-ffmpeg==0.4