Use voluptuous for pushbullet, pushetta and pushover (#3240)

homeassistant/components/notify/pushbullet.py

@@ -6,24 +6,29 @@ https://home-assistant.io/components/notify.pushbullet/
 """
 import logging
 
+import voluptuous as vol
+
 from homeassistant.components.notify import (
-    ATTR_TARGET, ATTR_TITLE, ATTR_TITLE_DEFAULT, BaseNotificationService)
+    ATTR_TARGET, ATTR_TITLE, ATTR_TITLE_DEFAULT, PLATFORM_SCHEMA,
+    BaseNotificationService)
 from homeassistant.const import CONF_API_KEY
+import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
 REQUIREMENTS = ['pushbullet.py==0.10.0']
 
 
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_API_KEY): cv.string,
+})
+
+
 # pylint: disable=unused-argument
 def get_service(hass, config):
     """Get the PushBullet notification service."""
     from pushbullet import PushBullet
     from pushbullet import InvalidKeyError
 
-    if CONF_API_KEY not in config:
-        _LOGGER.error("Unable to find config key '%s'", CONF_API_KEY)
-        return None
-
     try:
         pushbullet = PushBullet(config[CONF_API_KEY])
     except InvalidKeyError:

homeassistant/components/notify/pushetta.py

@@ -6,37 +6,42 @@ https://home-assistant.io/components/notify.pushetta/
 """
 import logging
 
+import voluptuous as vol
+
 from homeassistant.components.notify import (
-    ATTR_TITLE, ATTR_TITLE_DEFAULT, DOMAIN, BaseNotificationService)
+    ATTR_TITLE, ATTR_TITLE_DEFAULT, PLATFORM_SCHEMA, BaseNotificationService)
 from homeassistant.const import CONF_API_KEY
-from homeassistant.helpers import validate_config
+import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
-
 REQUIREMENTS = ['pushetta==1.0.15']
 
 
+CONF_CHANNEL_NAME = 'channel_name'
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_API_KEY): cv.string,
+    vol.Required(CONF_CHANNEL_NAME): cv.string,
+})
+
+
 def get_service(hass, config):
     """Get the Pushetta notification service."""
     from pushetta import Pushetta, exceptions
 
-    if not validate_config({DOMAIN: config},
-                           {DOMAIN: [CONF_API_KEY, 'channel_name']},
-                           _LOGGER):
-        return None
-
     try:
         pushetta = Pushetta(config[CONF_API_KEY])
-        pushetta.pushMessage(config['channel_name'], "Home Assistant started")
+        pushetta.pushMessage(config[CONF_CHANNEL_NAME],
+                             "Home Assistant started")
     except exceptions.TokenValidationError:
         _LOGGER.error("Please check your access token")
         return None
     except exceptions.ChannelNotFoundError:
-        _LOGGER.error("Channel '%s' not found", config['channel_name'])
+        _LOGGER.error("Channel '%s' not found", config[CONF_CHANNEL_NAME])
         return None
 
     return PushettaNotificationService(config[CONF_API_KEY],
-                                       config['channel_name'])
+                                       config[CONF_CHANNEL_NAME])
 
 
 # pylint: disable=too-few-public-methods

homeassistant/components/notify/pushover.py

@@ -18,8 +18,10 @@ REQUIREMENTS = ['python-pushover==0.2']
 _LOGGER = logging.getLogger(__name__)
 
 
+CONF_USER_KEY = 'user_key'
+
 PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend({
-    vol.Required('user_key'): cv.string,
+    vol.Required(CONF_USER_KEY): cv.string,
     vol.Required(CONF_API_KEY): cv.string,
 })
 
@@ -30,7 +32,7 @@ def get_service(hass, config):
     from pushover import InitError
 
     try:
-        return PushoverNotificationService(config['user_key'],
+        return PushoverNotificationService(config[CONF_USER_KEY],
                                            config[CONF_API_KEY])
     except InitError:
         _LOGGER.error(