Add support for Lupusec alarm control panel (#17691)

* Adds support for Lupusec alarm control panel

* fixed various mostly cosmetic issues

* fixed generic type of binary sensors

* fixed some formatting; removed scan interval completely -> defaults now to 2 secs

* removed unused data caches; added check if binary sensor class exists

* cosmetics

* generic type fix

* small fix

* small fixes

* guard clause added

* small fixes

homeassistant/components/switch/lupusec.py

@@ -0,0 +1,53 @@
+"""
+This component provides HA switch support for Lupusec Security System.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/switch.lupusec/
+"""
+import logging
+from datetime import timedelta
+
+from homeassistant.components.lupusec import (LupusecDevice,
+                                              DOMAIN as LUPUSEC_DOMAIN)
+from homeassistant.components.switch import SwitchDevice
+
+DEPENDENCIES = ['lupusec']
+
+SCAN_INTERVAL = timedelta(seconds=2)
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up Lupusec switch devices."""
+    if discovery_info is None:
+        return
+
+    import lupupy.constants as CONST
+
+    data = hass.data[LUPUSEC_DOMAIN]
+
+    devices = []
+
+    for device in data.lupusec.get_devices(generic_type=CONST.TYPE_SWITCH):
+
+        devices.append(LupusecSwitch(data, device))
+
+    add_entities(devices)
+
+
+class LupusecSwitch(LupusecDevice, SwitchDevice):
+    """Representation of a Lupusec switch."""
+
+    def turn_on(self, **kwargs):
+        """Turn on the device."""
+        self._device.switch_on()
+
+    def turn_off(self, **kwargs):
+        """Turn off the device."""
+        self._device.switch_off()
+
+    @property
+    def is_on(self):
+        """Return true if device is on."""
+        return self._device.is_on