Support for August doorbell (#11124)

* Add support for August doorbell

* Address PR comment for August platform

* Address PR comment for August binary sensor

* Address PR comment for August camera

* Addressed PR comment for August lock

* - Fixed houndci-bot error

* - Updated configurator description

* - Fixed stale docstring

* Added august module to .coveragerc

homeassistant/components/camera/august.py

@@ -0,0 +1,76 @@
+"""
+Support for August camera.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/camera.august/
+"""
+from datetime import timedelta
+
+import requests
+
+from homeassistant.components.august import DATA_AUGUST, DEFAULT_TIMEOUT
+from homeassistant.components.camera import Camera
+
+DEPENDENCIES = ['august']
+
+SCAN_INTERVAL = timedelta(seconds=5)
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up August cameras."""
+    data = hass.data[DATA_AUGUST]
+    devices = []
+
+    for doorbell in data.doorbells:
+        devices.append(AugustCamera(data, doorbell, DEFAULT_TIMEOUT))
+
+    add_devices(devices, True)
+
+
+class AugustCamera(Camera):
+    """An implementation of a Canary security camera."""
+
+    def __init__(self, data, doorbell, timeout):
+        """Initialize a Canary security camera."""
+        super().__init__()
+        self._data = data
+        self._doorbell = doorbell
+        self._timeout = timeout
+        self._image_url = None
+        self._image_content = None
+
+    @property
+    def name(self):
+        """Return the name of this device."""
+        return self._doorbell.device_name
+
+    @property
+    def is_recording(self):
+        """Return true if the device is recording."""
+        return self._doorbell.has_subscription
+
+    @property
+    def motion_detection_enabled(self):
+        """Return the camera motion detection status."""
+        return True
+
+    @property
+    def brand(self):
+        """Return the camera brand."""
+        return 'August'
+
+    @property
+    def model(self):
+        """Return the camera model."""
+        return 'Doorbell'
+
+    def camera_image(self):
+        """Return bytes of camera image."""
+        latest = self._data.get_doorbell_detail(self._doorbell.device_id)
+
+        if self._image_url is not latest.image_url:
+            self._image_url = latest.image_url
+            self._image_content = requests.get(self._image_url,
+                                               timeout=self._timeout).content
+
+        return self._image_content