Add Uptime Robot sensor

.coveragerc

@@ -354,6 +354,7 @@ omit =
     homeassistant/components/binary_sensor/ping.py
     homeassistant/components/binary_sensor/rest.py
     homeassistant/components/binary_sensor/tapsaff.py
+    homeassistant/components/binary_sensor/uptimerobot.py
     homeassistant/components/browser.py
     homeassistant/components/calendar/caldav.py
     homeassistant/components/calendar/todoist.py

homeassistant/components/binary_sensor/uptimerobot.py

@@ -0,0 +1,88 @@
+"""A component to monitor Uptime Robot monitors.
+
+For more details about this component, please refer to the documentation at
+https://www.home-assistant.io/components/binary_sensor.uptimerobot
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.binary_sensor import (
+    BinarySensorDevice, PLATFORM_SCHEMA)
+from homeassistant.const import CONF_API_KEY
+import homeassistant.helpers.config_validation as cv
+
+REQUIREMENTS = ['pyuptimerobot==0.0.4']
+
+_LOGGER = logging.getLogger(__name__)
+
+ATTR_TARGET = 'target'
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_API_KEY): cv.string,
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Uptime Robot binary_sensors."""
+    from pyuptimerobot import UptimeRobot
+
+    up_robot = UptimeRobot()
+    apikey = config.get(CONF_API_KEY)
+    monitors = up_robot.getMonitors(apikey)
+
+    devices = []
+    if not monitors or monitors.get('stat') != 'ok':
+        _LOGGER.error('Error connecting to uptime robot.')
+        return
+
+    for monitor in monitors['monitors']:
+        devices.append(UptimeRobotBinarySensor(
+            apikey, up_robot, monitorid=monitor['id'],
+            name=monitor['friendly_name'], target=monitor['url']))
+
+    add_devices(devices, True)
+
+
+class UptimeRobotBinarySensor(BinarySensorDevice):
+    """Representation of a Uptime Robot binary_sensor."""
+
+    def __init__(self, apikey, up_robot, monitorid, name, target):
+        """Initialize the binary_sensor."""
+        self._apikey = apikey
+        self._monitorid = str(monitorid)
+        self._name = name
+        self._target = target
+        self._up_robot = up_robot
+        self._state = None
+
+    @property
+    def name(self):
+        """Return the name of the binary_sensor."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return the state of the binary sensor."""
+        return self._state
+
+    @property
+    def device_class(self):
+        """Return the class of this device, from component DEVICE_CLASSES."""
+        return 'connectivity'
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes of the binary_sensor."""
+        return {
+            ATTR_TARGET: self._target,
+        }
+
+    def update(self):
+        """Get the latest state of the binary_sensor."""
+        monitor = self._up_robot.getMonitors(self._apikey, self._monitorid)
+        if not monitor or monitor.get('stat') != 'ok':
+            _LOGGER.debug("Failed to get new state, trying again later.")
+            return
+        status = monitor['monitors'][0]['status']
+        self._state = 1 if status == 2 else 0

requirements_all.txt

@@ -1119,6 +1119,9 @@ pyunifi==2.13
 # homeassistant.components.upnp
 pyupnp-async==0.1.0.2
 
+# homeassistant.components.binary_sensor.uptimerobot
+pyuptimerobot==0.0.4
+
 # homeassistant.components.keyboard
 # pyuserinput==0.1.11