Remove global variable from apcupsd (#33717)

* Remove global variable from apcupsd

* Run isort

* Address review comments

homeassistant/components/apcupsd/__init__.py

@@ -11,9 +11,6 @@ from homeassistant.util import Throttle
 
 _LOGGER = logging.getLogger(__name__)
 
-CONF_TYPE = "type"
-
-DATA = None
 DEFAULT_HOST = "localhost"
 DEFAULT_PORT = 3551
 DOMAIN = "apcupsd"
@@ -39,17 +36,17 @@ CONFIG_SCHEMA = vol.Schema(
 
 def setup(hass, config):
     """Use config values to set up a function enabling status retrieval."""
-    global DATA  # pylint: disable=global-statement
     conf = config[DOMAIN]
     host = conf.get(CONF_HOST)
     port = conf.get(CONF_PORT)
 
-    DATA = APCUPSdData(host, port)
+    apcups_data = APCUPSdData(host, port)
+    hass.data[DOMAIN] = apcups_data
 
     # It doesn't really matter why we're not able to get the status, just that
     # we can't.
     try:
-        DATA.update(no_throttle=True)
+        apcups_data.update(no_throttle=True)
     except Exception:  # pylint: disable=broad-except
         _LOGGER.exception("Failure while testing APCUPSd status retrieval.")
         return False

homeassistant/components/apcupsd/binary_sensor.py

@@ -1,11 +1,12 @@
 """Support for tracking the online status of a UPS."""
 import voluptuous as vol
 
-from homeassistant.components import apcupsd
 from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorDevice
 from homeassistant.const import CONF_NAME
 import homeassistant.helpers.config_validation as cv
 
+from . import DOMAIN, KEY_STATUS, VALUE_ONLINE
+
 DEFAULT_NAME = "UPS Online Status"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
@@ -14,7 +15,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up an APCUPSd Online Status binary sensor."""
-    add_entities([OnlineStatus(config, apcupsd.DATA)], True)
+    apcups_data = hass.data[DOMAIN]
+
+    add_entities([OnlineStatus(config, apcups_data)], True)
 
 
 class OnlineStatus(BinarySensorDevice):
@@ -34,8 +37,8 @@ class OnlineStatus(BinarySensorDevice):
     @property
     def is_on(self):
         """Return true if the UPS is online, else false."""
-        return self._state & apcupsd.VALUE_ONLINE > 0
+        return self._state & VALUE_ONLINE > 0
 
     def update(self):
         """Get the status report from APCUPSd and set this entity's state."""
-        self._state = int(self._data.status[apcupsd.KEY_STATUS], 16)
+        self._state = int(self._data.status[KEY_STATUS], 16)

homeassistant/components/apcupsd/sensor.py

@@ -4,7 +4,6 @@ import logging
 from apcaccess.status import ALL_UNITS
 import voluptuous as vol
 
-from homeassistant.components import apcupsd
 from homeassistant.components.sensor import PLATFORM_SCHEMA
 from homeassistant.const import (
     CONF_RESOURCES,
@@ -17,6 +16,8 @@ from homeassistant.const import (
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 
+from . import DOMAIN
+
 _LOGGER = logging.getLogger(__name__)
 
 SENSOR_PREFIX = "UPS "
@@ -114,6 +115,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the APCUPSd sensors."""
+    apcups_data = hass.data[DOMAIN]
     entities = []
 
     for resource in config[CONF_RESOURCES]:
@@ -126,13 +128,13 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
                 "mdi:information-outline",
             ]
 
-        if sensor_type.upper() not in apcupsd.DATA.status:
+        if sensor_type.upper() not in apcups_data.status:
             _LOGGER.warning(
                 "Sensor type: %s does not appear in the APCUPSd status output",
                 sensor_type,
             )
 
-        entities.append(APCUPSdSensor(apcupsd.DATA, sensor_type))
+        entities.append(APCUPSdSensor(apcups_data, sensor_type))
 
     add_entities(entities, True)