Added support to Amcrest camera (#4573)

* Introduced support to Amcrest IP Cameras

* Fixed lint issues

* Fixed requirements test

* * Implemented test to verify crendentials during camera setup

* Added persistent_notification in case of error when during Amcrest setup

.coveragerc

@@ -124,6 +124,7 @@ omit =
     homeassistant/components/binary_sensor/concord232.py
     homeassistant/components/binary_sensor/rest.py
     homeassistant/components/browser.py
+    homeassistant/components/camera/amcrest.py
     homeassistant/components/camera/bloomsky.py
     homeassistant/components/camera/foscam.py
     homeassistant/components/camera/mjpeg.py

homeassistant/components/camera/amcrest.py

@@ -0,0 +1,79 @@
+"""
+This component provides basic support for Amcrest IP cameras.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/camera.amcrest/
+"""
+import logging
+import voluptuous as vol
+
+from homeassistant.components.camera import (Camera, PLATFORM_SCHEMA)
+from homeassistant.const import (
+    CONF_HOST, CONF_NAME, CONF_USERNAME, CONF_PASSWORD, CONF_PORT)
+from homeassistant.helpers import config_validation as cv
+import homeassistant.loader as loader
+
+REQUIREMENTS = ['amcrest==1.0.0']
+
+_LOGGER = logging.getLogger(__name__)
+
+DEFAULT_PORT = 80
+DEFAULT_NAME = 'Amcrest Camera'
+
+NOTIFICATION_ID = 'amcrest_notification'
+NOTIFICATION_TITLE = 'Amcrest Camera Setup'
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+    vol.Required(CONF_USERNAME): cv.string,
+    vol.Required(CONF_PASSWORD): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup an Amcrest IP Camera."""
+    from amcrest import AmcrestCamera
+    data = AmcrestCamera(config.get(CONF_HOST),
+                         config.get(CONF_PORT),
+                         config.get(CONF_USERNAME),
+                         config.get(CONF_PASSWORD))
+
+    persistent_notification = loader.get_component('persistent_notification')
+    try:
+        data.camera.current_time
+    # pylint: disable=broad-except
+    except Exception as ex:
+        _LOGGER.error('Unable to connect to Amcrest camera: %s', str(ex))
+        persistent_notification.create(
+            hass, 'Error: {}<br />'
+            'You will need to restart hass after fixing.'
+            ''.format(ex),
+            title=NOTIFICATION_TITLE,
+            notification_id=NOTIFICATION_ID)
+        return False
+
+    add_devices([AmcrestCam(config, data)])
+    return True
+
+
+class AmcrestCam(Camera):
+    """An implementation of an Amcrest IP camera."""
+
+    def __init__(self, device_info, data):
+        """Initialize an Amcrest camera."""
+        super(AmcrestCam, self).__init__()
+        self._name = device_info.get(CONF_NAME)
+        self._data = data
+
+    def camera_image(self):
+        """Return a still image reponse from the camera."""
+        # Send the request to snap a picture and return raw jpg data
+        response = self._data.camera.snapshot()
+        return response.data
+
+    @property
+    def name(self):
+        """Return the name of this camera."""
+        return self._name

requirements_all.txt

@@ -33,6 +33,9 @@ TwitterAPI==2.4.2
 # homeassistant.components.http
 aiohttp_cors==0.5.0
 
+# homeassistant.components.camera.amcrest
+amcrest==1.0.0
+
 # homeassistant.components.apcupsd
 apcaccess==0.0.4