From 6d94c121a7c401fc475c9264dcea3d8da24e9008 Mon Sep 17 00:00:00 2001
From: Fabian Affolter <mail@fabian-affolter.ch>
Date: Tue, 31 Oct 2017 13:31:12 +0100
Subject: [PATCH] Move constant to 'const.py' (#10249)

---
 homeassistant/components/sensor/hddtemp.py     | 12 ++++--------
 homeassistant/components/sensor/synologydsm.py |  3 +--
 homeassistant/const.py                         |  3 ++-
 3 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/homeassistant/components/sensor/hddtemp.py b/homeassistant/components/sensor/hddtemp.py
index af4b1e61138..e025cd2fbcd 100644
--- a/homeassistant/components/sensor/hddtemp.py
+++ b/homeassistant/components/sensor/hddtemp.py
@@ -11,19 +11,16 @@ from telnetlib import Telnet
 import voluptuous as vol
 
 import homeassistant.helpers.config_validation as cv
-from homeassistant.helpers.entity import Entity
 from homeassistant.components.sensor import PLATFORM_SCHEMA
 from homeassistant.const import (
-    CONF_NAME, CONF_HOST, CONF_PORT, TEMP_CELSIUS, TEMP_FAHRENHEIT,
-    STATE_UNKNOWN)
+    CONF_NAME, CONF_HOST, CONF_PORT, TEMP_CELSIUS, TEMP_FAHRENHEIT, CONF_DISKS)
+from homeassistant.helpers.entity import Entity
 
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_DEVICE = 'device'
 ATTR_MODEL = 'model'
 
-CONF_DISKS = 'disks'
-
 DEFAULT_HOST = 'localhost'
 DEFAULT_PORT = 7634
 DEFAULT_NAME = 'HD Temperature'
@@ -32,8 +29,7 @@ DEFAULT_TIMEOUT = 5
 SCAN_INTERVAL = timedelta(minutes=1)
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
-    vol.Optional(CONF_DISKS, default=[]):
-        vol.All(cv.ensure_list, [cv.string]),
+    vol.Optional(CONF_DISKS, default=[]): vol.All(cv.ensure_list, [cv.string]),
     vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
     vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
     vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
@@ -108,7 +104,7 @@ class HddTempSensor(Entity):
             self._details = self.hddtemp.data[self.disk].split('|')
             self._state = self._details[2]
         else:
-            self._state = STATE_UNKNOWN
+            self._state = None
 
 
 class HddTempData(object):
diff --git a/homeassistant/components/sensor/synologydsm.py b/homeassistant/components/sensor/synologydsm.py
index 20d93a4abc0..cfc868de664 100644
--- a/homeassistant/components/sensor/synologydsm.py
+++ b/homeassistant/components/sensor/synologydsm.py
@@ -13,7 +13,7 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.components.sensor import PLATFORM_SCHEMA
 from homeassistant.const import (
     CONF_HOST, CONF_USERNAME, CONF_PASSWORD, CONF_PORT, TEMP_CELSIUS,
-    CONF_MONITORED_CONDITIONS, EVENT_HOMEASSISTANT_START)
+    CONF_MONITORED_CONDITIONS, EVENT_HOMEASSISTANT_START, CONF_DISKS)
 from homeassistant.helpers.entity import Entity
 from homeassistant.util import Throttle
 
@@ -21,7 +21,6 @@ REQUIREMENTS = ['python-synology==0.1.0']
 
 _LOGGER = logging.getLogger(__name__)
 
-CONF_DISKS = 'disks'
 CONF_VOLUMES = 'volumes'
 DEFAULT_NAME = 'Synology DSM'
 DEFAULT_PORT = 5000
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 0ebb8d16bd3..aef543e3666 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -88,8 +88,9 @@ CONF_DEVICE_CLASS = 'device_class'
 CONF_DEVICES = 'devices'
 CONF_DISARM_AFTER_TRIGGER = 'disarm_after_trigger'
 CONF_DISCOVERY = 'discovery'
-CONF_DISPLAY_OPTIONS = 'display_options'
+CONF_DISKS = 'disks'
 CONF_DISPLAY_CURRENCY = 'display_currency'
+CONF_DISPLAY_OPTIONS = 'display_options'
 CONF_DOMAIN = 'domain'
 CONF_DOMAINS = 'domains'
 CONF_EFFECT = 'effect'