Add new SmartHab light and cover platform (#21225)

* Add SmartHab platform

* Remove url config entry, improve error handling

* Upgrade smarthab dependency

* Address comments

* Lint

homeassistant/components/smarthab/light.py

@@ -0,0 +1,70 @@
+"""
+Support for SmartHab device integration.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/smarthab/
+"""
+import logging
+from datetime import timedelta
+from requests.exceptions import Timeout
+
+from homeassistant.components.light import Light
+from . import DOMAIN, DATA_HUB
+
+_LOGGER = logging.getLogger(__name__)
+
+SCAN_INTERVAL = timedelta(seconds=60)
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the SmartHab lights platform."""
+    import pysmarthab
+
+    hub = hass.data[DOMAIN][DATA_HUB]
+    devices = hub.get_device_list()
+
+    _LOGGER.debug("Found a total of %s devices", str(len(devices)))
+
+    entities = (SmartHabLight(light)
+                for light in devices if isinstance(light, pysmarthab.Light))
+
+    add_entities(entities, True)
+
+
+class SmartHabLight(Light):
+    """Representation of a SmartHab Light."""
+
+    def __init__(self, light):
+        """Initialize a SmartHabLight."""
+        self._light = light
+
+    @property
+    def unique_id(self) -> str:
+        """Return a unique ID."""
+        return self._light.device_id
+
+    @property
+    def name(self) -> str:
+        """Return the display name of this light."""
+        return self._light.label
+
+    @property
+    def is_on(self) -> bool:
+        """Return true if light is on."""
+        return self._light.state
+
+    def turn_on(self, **kwargs):
+        """Instruct the light to turn on."""
+        self._light.turn_on()
+
+    def turn_off(self, **kwargs):
+        """Instruct the light to turn off."""
+        self._light.turn_off()
+
+    def update(self):
+        """Fetch new state data for this light."""
+        try:
+            self._light.update()
+        except Timeout:
+            _LOGGER.error("Reached timeout while updating light %s from API",
+                          self.entity_id)