Added Xeoma camera platform (#11619)

* Added Xeoma camera platform

* Switch to dict.get() for optional config values with no default

* Minor changes

.coveragerc

@@ -316,6 +316,7 @@ omit =
     homeassistant/components/camera/ring.py
     homeassistant/components/camera/rpi_camera.py
     homeassistant/components/camera/synology.py
+    homeassistant/components/camera/xeoma.py
     homeassistant/components/camera/yi.py
     homeassistant/components/climate/econet.py
     homeassistant/components/climate/ephember.py

homeassistant/components/camera/xeoma.py

@@ -0,0 +1,113 @@
+"""
+Support for Xeoma Cameras.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/camera.xeoma/
+"""
+import asyncio
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.camera import PLATFORM_SCHEMA, Camera
+from homeassistant.const import (
+    CONF_HOST, CONF_NAME, CONF_PASSWORD, CONF_USERNAME)
+from homeassistant.helpers import config_validation as cv
+
+REQUIREMENTS = ['pyxeoma==1.2']
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_CAMERAS = 'cameras'
+CONF_HIDE = 'hide'
+CONF_IMAGE_NAME = 'image_name'
+CONF_NEW_VERSION = 'new_version'
+
+CAMERAS_SCHEMA = vol.Schema({
+    vol.Required(CONF_IMAGE_NAME): cv.string,
+    vol.Optional(CONF_HIDE, default=False): cv.boolean,
+    vol.Optional(CONF_NAME): cv.string,
+}, required=False)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+    vol.Optional(CONF_CAMERAS, default={}):
+        vol.Schema(vol.All(cv.ensure_list, [CAMERAS_SCHEMA])),
+    vol.Optional(CONF_NEW_VERSION, default=True): cv.boolean,
+    vol.Optional(CONF_PASSWORD): cv.string,
+    vol.Optional(CONF_USERNAME): cv.string,
+})
+
+
+@asyncio.coroutine
+# pylint: disable=unused-argument
+def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
+    """Discover and setup Xeoma Cameras."""
+    from pyxeoma.xeoma import Xeoma, XeomaError
+
+    host = config[CONF_HOST]
+    login = config.get(CONF_USERNAME)
+    password = config.get(CONF_PASSWORD)
+    new_version = config[CONF_NEW_VERSION]
+
+    xeoma = Xeoma(host, new_version, login, password)
+
+    try:
+        yield from xeoma.async_test_connection()
+        discovered_image_names = yield from xeoma.async_get_image_names()
+        discovered_cameras = [
+            {
+                CONF_IMAGE_NAME: image_name,
+                CONF_HIDE: False,
+                CONF_NAME: image_name
+            }
+            for image_name in discovered_image_names
+        ]
+
+        for cam in config[CONF_CAMERAS]:
+            camera = next(
+                (dc for dc in discovered_cameras
+                 if dc[CONF_IMAGE_NAME] == cam[CONF_IMAGE_NAME]), None)
+
+            if camera is not None:
+                if CONF_NAME in cam:
+                    camera[CONF_NAME] = cam[CONF_NAME]
+                if CONF_HIDE in cam:
+                    camera[CONF_HIDE] = cam[CONF_HIDE]
+
+        cameras = list(filter(lambda c: not c[CONF_HIDE], discovered_cameras))
+        async_add_devices(
+            [XeomaCamera(xeoma, camera[CONF_IMAGE_NAME], camera[CONF_NAME])
+             for camera in cameras])
+    except XeomaError as err:
+        _LOGGER.error("Error: %s", err.message)
+        return
+
+
+class XeomaCamera(Camera):
+    """Implementation of a Xeoma camera."""
+
+    def __init__(self, xeoma, image, name):
+        """Initialize a Xeoma camera."""
+        super().__init__()
+        self._xeoma = xeoma
+        self._name = name
+        self._image = image
+        self._last_image = None
+
+    @asyncio.coroutine
+    def async_camera_image(self):
+        """Return a still image response from the camera."""
+        from pyxeoma.xeoma import XeomaError
+        try:
+            image = yield from self._xeoma.async_get_camera_image(self._image)
+            self._last_image = image
+        except XeomaError as err:
+            _LOGGER.error("Error fetching image: %s", err.message)
+
+        return self._last_image
+
+    @property
+    def name(self):
+        """Return the name of this device."""
+        return self._name

requirements_all.txt

@@ -998,6 +998,9 @@ pywebpush==1.5.0
 # homeassistant.components.wemo
 pywemo==0.4.25
 
+# homeassistant.components.camera.xeoma
+pyxeoma==1.2
+
 # homeassistant.components.zabbix
 pyzabbix==0.7.4