Addded light controls to isy994 component.

homeassistant/components/light/isy994.py

@@ -0,0 +1,93 @@
+""" Support for ISY994 sensors. """
+# system imports
+import logging
+
+# homeassistant imports
+from ..isy994 import ISY
+from homeassistant.helpers.entity import ToggleEntity
+from homeassistant.const import STATE_ON, STATE_OFF
+from homeassistant.components.light import ATTR_BRIGHTNESS
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the isy994 platform. """
+    print('************ RUNNING')
+    logger = logging.getLogger(__name__)
+    devs = []
+    # verify connection
+    if ISY is None or not ISY.connected:
+        logger.error('A connection has not been made to the ISY controller.')
+        return False
+
+    # import dimmable nodes
+    for node in ISY.nodes:
+        if node.dimmable:
+            devs.append(ISYLightDevice(node))
+
+    add_devices(devs)
+
+
+class ISYLightDevice(ToggleEntity):
+    """ represents as isy light within home assistant. """
+
+    domain = 'light'
+
+    def __init__(self, node):
+        # setup properties
+        self.node = node
+        #self.entity_id = self.domain + '.' + self.name.replace(' ', '_')
+
+        # track changes
+        self._changeHandler = self.node.status. \
+                subscribe('changed', self.onUpdate)
+
+    def __del__(self):
+        self._changeHandler.unsubscribe()
+
+    @property
+    def should_poll(self):
+        return False
+
+    @property
+    def dtype(self):
+        return 'analog'
+
+    @property
+    def value(self):
+        """ return the integer setting of the light (brightness) """
+        return self.node.status._val
+
+    @property
+    def is_on(self):
+        return self.value > 0
+
+    @property
+    def state_attributes(self):
+        return {ATTR_BRIGHTNESS: self.value}
+
+    @property
+    def unique_id(self):
+        """ Returns the id of this isy sensor """
+        return self.node._id
+
+    @property
+    def name(self):
+        """ Returns the name of the sensor if any. """
+        return self.node.name
+
+    def update(self):
+        """ Update state of the sensor. """
+        # ISY objects are automatically updated by the ISY's event stream
+        pass
+
+    def onUpdate(self, e):
+        self.update_ha_state()
+
+    def turn_on(self, **kwargs):
+        """ turns the device on """
+        brightness = kwargs.get(ATTR_BRIGHTNESS)
+        self.node.on(brightness)
+
+    def turn_off(self, **kwargs):
+        """ turns the device off """
+        self.node.off()