From 581b554a665b169eb82e23215cb5f1fd6c4506f1 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Fri, 16 Jan 2026 08:23:13 +0100
Subject: [PATCH] Improve type hints in digital_ocean (#161006)

---
 .../components/digital_ocean/__init__.py      | 22 +++-----------
 .../components/digital_ocean/binary_sensor.py | 13 ++++----
 .../components/digital_ocean/const.py         | 30 +++++++++++++++++++
 .../components/digital_ocean/switch.py        |  6 ++--
 4 files changed, 42 insertions(+), 29 deletions(-)
 create mode 100644 homeassistant/components/digital_ocean/const.py

diff --git a/homeassistant/components/digital_ocean/__init__.py b/homeassistant/components/digital_ocean/__init__.py
index 306ddc8e9a5..b4bd6ab1b92 100644
--- a/homeassistant/components/digital_ocean/__init__.py
+++ b/homeassistant/components/digital_ocean/__init__.py
@@ -1,6 +1,7 @@
 """Support for Digital Ocean."""
 
-from datetime import timedelta
+from __future__ import annotations
+
 import logging
 
 import digitalocean
@@ -12,27 +13,12 @@ from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.util import Throttle
 
+from .const import DATA_DIGITAL_OCEAN, DOMAIN, MIN_TIME_BETWEEN_UPDATES
+
 _LOGGER = logging.getLogger(__name__)
 
-ATTR_CREATED_AT = "created_at"
-ATTR_DROPLET_ID = "droplet_id"
-ATTR_DROPLET_NAME = "droplet_name"
-ATTR_FEATURES = "features"
-ATTR_IPV4_ADDRESS = "ipv4_address"
-ATTR_IPV6_ADDRESS = "ipv6_address"
-ATTR_MEMORY = "memory"
-ATTR_REGION = "region"
-ATTR_VCPUS = "vcpus"
 
-ATTRIBUTION = "Data provided by Digital Ocean"
-
-CONF_DROPLETS = "droplets"
-
-DATA_DIGITAL_OCEAN = "data_do"
 DIGITAL_OCEAN_PLATFORMS = [Platform.SWITCH, Platform.BINARY_SENSOR]
-DOMAIN = "digital_ocean"
-
-MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
 
 CONFIG_SCHEMA = vol.Schema(
     {DOMAIN: vol.Schema({vol.Required(CONF_ACCESS_TOKEN): cv.string})},
diff --git a/homeassistant/components/digital_ocean/binary_sensor.py b/homeassistant/components/digital_ocean/binary_sensor.py
index b0041f5220b..6439a97ade8 100644
--- a/homeassistant/components/digital_ocean/binary_sensor.py
+++ b/homeassistant/components/digital_ocean/binary_sensor.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 import voluptuous as vol
 
@@ -16,7 +17,7 @@ from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import (
+from .const import (
     ATTR_CREATED_AT,
     ATTR_DROPLET_ID,
     ATTR_DROPLET_NAME,
@@ -65,6 +66,7 @@ class DigitalOceanBinarySensor(BinarySensorEntity):
     """Representation of a Digital Ocean droplet sensor."""
 
     _attr_attribution = ATTRIBUTION
+    _attr_device_class = BinarySensorDeviceClass.MOVING
 
     def __init__(self, do, droplet_id):
         """Initialize a new Digital Ocean sensor."""
@@ -79,17 +81,12 @@ class DigitalOceanBinarySensor(BinarySensorEntity):
         return self.data.name
 
     @property
-    def is_on(self):
+    def is_on(self) -> bool:
         """Return true if the binary sensor is on."""
         return self.data.status == "active"
 
     @property
-    def device_class(self) -> BinarySensorDeviceClass:
-        """Return the class of this sensor."""
-        return BinarySensorDeviceClass.MOVING
-
-    @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any]:
         """Return the state attributes of the Digital Ocean droplet."""
         return {
             ATTR_CREATED_AT: self.data.created_at,
diff --git a/homeassistant/components/digital_ocean/const.py b/homeassistant/components/digital_ocean/const.py
new file mode 100644
index 00000000000..77dfb1bf4e2
--- /dev/null
+++ b/homeassistant/components/digital_ocean/const.py
@@ -0,0 +1,30 @@
+"""Support for Digital Ocean."""
+
+from __future__ import annotations
+
+from datetime import timedelta
+from typing import TYPE_CHECKING
+
+from homeassistant.util.hass_dict import HassKey
+
+if TYPE_CHECKING:
+    from . import DigitalOcean
+
+ATTR_CREATED_AT = "created_at"
+ATTR_DROPLET_ID = "droplet_id"
+ATTR_DROPLET_NAME = "droplet_name"
+ATTR_FEATURES = "features"
+ATTR_IPV4_ADDRESS = "ipv4_address"
+ATTR_IPV6_ADDRESS = "ipv6_address"
+ATTR_MEMORY = "memory"
+ATTR_REGION = "region"
+ATTR_VCPUS = "vcpus"
+
+ATTRIBUTION = "Data provided by Digital Ocean"
+
+CONF_DROPLETS = "droplets"
+
+DOMAIN = "digital_ocean"
+DATA_DIGITAL_OCEAN: HassKey[DigitalOcean] = HassKey(DOMAIN)
+
+MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
diff --git a/homeassistant/components/digital_ocean/switch.py b/homeassistant/components/digital_ocean/switch.py
index 409fa63c1c2..a3e6b4f95bf 100644
--- a/homeassistant/components/digital_ocean/switch.py
+++ b/homeassistant/components/digital_ocean/switch.py
@@ -16,7 +16,7 @@ from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import (
+from .const import (
     ATTR_CREATED_AT,
     ATTR_DROPLET_ID,
     ATTR_DROPLET_NAME,
@@ -80,12 +80,12 @@ class DigitalOceanSwitch(SwitchEntity):
         return self.data.name
 
     @property
-    def is_on(self):
+    def is_on(self) -> bool:
         """Return true if switch is on."""
         return self.data.status == "active"
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any]:
         """Return the state attributes of the Digital Ocean droplet."""
         return {
             ATTR_CREATED_AT: self.data.created_at,