From c30bf1f6e1ec359c735e2bd9336c30a1f1e63b29 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Mon, 8 Jan 2024 10:43:40 +0100
Subject: [PATCH] Enable strict typing for nightscout (#107307)

---
 .strict-typing                                     |  1 +
 homeassistant/components/nightscout/config_flow.py | 14 +++++++++-----
 homeassistant/components/nightscout/sensor.py      |  2 +-
 homeassistant/components/nightscout/utils.py       |  4 +++-
 mypy.ini                                           | 10 ++++++++++
 5 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/.strict-typing b/.strict-typing
index f90add81fad..648379875da 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -289,6 +289,7 @@ homeassistant.components.netatmo.*
 homeassistant.components.network.*
 homeassistant.components.nextdns.*
 homeassistant.components.nfandroidtv.*
+homeassistant.components.nightscout.*
 homeassistant.components.nissan_leaf.*
 homeassistant.components.no_ip.*
 homeassistant.components.notify.*
diff --git a/homeassistant/components/nightscout/config_flow.py b/homeassistant/components/nightscout/config_flow.py
index 1f3f62835bc..98e075ba3c9 100644
--- a/homeassistant/components/nightscout/config_flow.py
+++ b/homeassistant/components/nightscout/config_flow.py
@@ -1,6 +1,7 @@
 """Config flow for Nightscout integration."""
 from asyncio import TimeoutError as AsyncIOTimeoutError
 import logging
+from typing import Any
 
 from aiohttp import ClientError, ClientResponseError
 from py_nightscout import Api as NightscoutAPI
@@ -8,6 +9,7 @@ import voluptuous as vol
 
 from homeassistant import config_entries, exceptions
 from homeassistant.const import CONF_API_KEY, CONF_URL
+from homeassistant.data_entry_flow import FlowResult
 
 from .const import DOMAIN
 from .utils import hash_from_url
@@ -17,10 +19,10 @@ _LOGGER = logging.getLogger(__name__)
 DATA_SCHEMA = vol.Schema({vol.Required(CONF_URL): str, vol.Optional(CONF_API_KEY): str})
 
 
-async def _validate_input(data):
+async def _validate_input(data: dict[str, Any]) -> dict[str, str]:
     """Validate the user input allows us to connect."""
-    url = data[CONF_URL]
-    api_key = data.get(CONF_API_KEY)
+    url: str = data[CONF_URL]
+    api_key: str | None = data.get(CONF_API_KEY)
     try:
         api = NightscoutAPI(url, api_secret=api_key)
         status = await api.get_server_status()
@@ -40,9 +42,11 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
 
-    async def async_step_user(self, user_input=None):
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Handle the initial step."""
-        errors = {}
+        errors: dict[str, str] = {}
 
         if user_input is not None:
             unique_id = hash_from_url(user_input[CONF_URL])
diff --git a/homeassistant/components/nightscout/sensor.py b/homeassistant/components/nightscout/sensor.py
index f60c70cc67c..851610ee374 100644
--- a/homeassistant/components/nightscout/sensor.py
+++ b/homeassistant/components/nightscout/sensor.py
@@ -40,7 +40,7 @@ class NightscoutSensor(SensorEntity):
     _attr_native_unit_of_measurement = "mg/dL"
     _attr_icon = "mdi:cloud-question"
 
-    def __init__(self, api: NightscoutAPI, name, unique_id) -> None:
+    def __init__(self, api: NightscoutAPI, name: str, unique_id: str | None) -> None:
         """Initialize the Nightscout sensor."""
         self.api = api
         self._attr_unique_id = unique_id
diff --git a/homeassistant/components/nightscout/utils.py b/homeassistant/components/nightscout/utils.py
index 4d262ee6439..ac9ce1a3384 100644
--- a/homeassistant/components/nightscout/utils.py
+++ b/homeassistant/components/nightscout/utils.py
@@ -1,7 +1,9 @@
 """Nightscout util functions."""
+from __future__ import annotations
+
 import hashlib
 
 
-def hash_from_url(url: str):
+def hash_from_url(url: str) -> str:
     """Hash url to create a unique ID."""
     return hashlib.sha256(url.encode("utf-8")).hexdigest()
diff --git a/mypy.ini b/mypy.ini
index a24cad9ee7d..2766b47b471 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2651,6 +2651,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.nightscout.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.nissan_leaf.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true