KWB Easyfire support (#6018)

* KWB Easyfire Support

* requirements, coverage

* Initialization fun

* lint

* requirements bump

* lint

* Second best validation ...

* changes

* reworked validation

.coveragerc

@@ -342,6 +342,7 @@ omit =
     homeassistant/components/sensor/imap.py
     homeassistant/components/sensor/imap_email_content.py
     homeassistant/components/sensor/influxdb.py
+    homeassistant/components/sensor/kwb.py
     homeassistant/components/sensor/lastfm.py
     homeassistant/components/sensor/linux_battery.py
     homeassistant/components/sensor/loopenergy.py

homeassistant/components/sensor/kwb.py

@@ -0,0 +1,115 @@
+"""
+Support for KWB Easyfire.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.kwb/
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import (CONF_HOST, CONF_PORT, CONF_DEVICE,
+                                 CONF_NAME, EVENT_HOMEASSISTANT_STOP,
+                                 STATE_UNKNOWN)
+from homeassistant.helpers.entity import Entity
+from homeassistant.components.sensor import PLATFORM_SCHEMA
+import homeassistant.helpers.config_validation as cv
+
+
+REQUIREMENTS = ['pykwb==0.0.8']
+
+_LOGGER = logging.getLogger(__name__)
+
+DEFAULT_RAW = False
+DEFAULT_NAME = 'KWB'
+
+MODE_SERIAL = 0
+MODE_TCP = 1
+
+CONF_TYPE = 'type'
+CONF_RAW = 'raw'
+
+SERIAL_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Optional(CONF_RAW, default=DEFAULT_RAW): cv.boolean,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Required(CONF_DEVICE): cv.string,
+    vol.Required(CONF_TYPE): 'serial',
+})
+
+ETHERNET_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Optional(CONF_RAW, default=DEFAULT_RAW): cv.boolean,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Required(CONF_HOST): cv.string,
+    vol.Required(CONF_PORT): cv.port,
+    vol.Required(CONF_TYPE): 'tcp',
+})
+
+PLATFORM_SCHEMA = vol.Schema(
+    vol.Any(SERIAL_SCHEMA, ETHERNET_SCHEMA)
+)
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the KWB component."""
+    host = config.get(CONF_HOST)
+    port = config.get(CONF_PORT)
+    device = config.get(CONF_DEVICE)
+    connection_type = config.get(CONF_TYPE)
+    raw = config.get(CONF_RAW)
+    client_name = config.get(CONF_NAME)
+
+    from pykwb import kwb
+
+    if connection_type == 'serial':
+        easyfire = kwb.KWBEasyfire(MODE_SERIAL, "", 0, device)
+    elif connection_type == 'tcp':
+        easyfire = kwb.KWBEasyfire(MODE_TCP, host, port)
+    else:
+        return False
+
+    easyfire.run_thread()
+
+    sensors = []
+    for sensor in easyfire.get_sensors():
+        if ((sensor.sensor_type != kwb.PROP_SENSOR_RAW)
+                or (sensor.sensor_type == kwb.PROP_SENSOR_RAW and raw)):
+            sensors.append(KWBSensor(easyfire, sensor, client_name))
+
+    hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
+                         lambda event: easyfire.stop_thread())
+
+    add_devices(sensors)
+
+
+class KWBSensor(Entity):
+    """Representation of a KWB Easyfire sensor."""
+
+    def __init__(self, easyfire, sensor, client_name):
+        """Initialize the KWB sensor."""
+        self._easyfire = easyfire
+        self._sensor = sensor
+        self._client_name = client_name
+        self._name = self._sensor.name
+
+    @property
+    def name(self):
+        """Return the name."""
+        return '{} {}'.format(self._client_name, self._name)
+
+    @property
+    def available(self) -> bool:
+        """Return if sensor is available."""
+        return self._sensor.available
+
+    @property
+    def state(self):
+        """Return the state of value."""
+        if self._sensor.value is not None and self._sensor.available:
+            return self._sensor.value
+        else:
+            return STATE_UNKNOWN
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of measurement of this entity, if any."""
+        return self._sensor.unit_of_measurement

requirements_all.txt

@@ -517,6 +517,9 @@ pyiss==1.0.1
 # homeassistant.components.remote.itach
 pyitachip2ir==0.0.6
 
+# homeassistant.components.sensor.kwb
+pykwb==0.0.8
+
 # homeassistant.components.sensor.lastfm
 pylast==1.8.0