Update integration Fints with activate mypy, use attr_variables (#53706)

* Please mypy.

* Convert property to _attr_variables.

homeassistant/components/fints/sensor.py

@@ -1,8 +1,10 @@
 """Read the balance of your bank accounts via FinTS."""
+from __future__ import annotations
 
 from collections import namedtuple
 from datetime import timedelta
 import logging
+from typing import Any
 
 from fints.client import FinTS3PinTanClient
 from fints.dialog import FinTSDialogError
@@ -164,46 +166,23 @@ class FinTsAccount(SensorEntity):
         """Initialize a FinTs balance account."""
         self._client = client
         self._account = account
-        self._name = name
+        self._attr_name = name
-        self._balance: float = None
+        self._attr_icon = ICON
-        self._currency: str = None
+        self._attr_extra_state_attributes = {
+            ATTR_ACCOUNT: self._account.iban,
+            ATTR_ACCOUNT_TYPE: "balance",
+        }
+        if self._client.name:
+            self._attr_extra_state_attributes[ATTR_BANK] = self._client.name
 
     def update(self) -> None:
         """Get the current balance and currency for the account."""
         bank = self._client.client
         balance = bank.get_balance(self._account)
-        self._balance = balance.amount.amount
+        self._attr_state = balance.amount.amount
-        self._currency = balance.amount.currency
+        self._attr_unit_of_measurement = balance.amount.currency
         _LOGGER.debug("updated balance of account %s", self.name)
 
-    @property
-    def name(self) -> str:
-        """Friendly name of the sensor."""
-        return self._name
-
-    @property
-    def state(self) -> float:
-        """Return the balance of the account as state."""
-        return self._balance
-
-    @property
-    def unit_of_measurement(self) -> str:
-        """Use the currency as unit of measurement."""
-        return self._currency
-
-    @property
-    def extra_state_attributes(self) -> dict:
-        """Additional attributes of the sensor."""
-        attributes = {ATTR_ACCOUNT: self._account.iban, ATTR_ACCOUNT_TYPE: "balance"}
-        if self._client.name:
-            attributes[ATTR_BANK] = self._client.name
-        return attributes
-
-    @property
-    def icon(self) -> str:
-        """Set the icon for the sensor."""
-        return ICON
-
 
 class FinTsHoldingsAccount(SensorEntity):
     """Sensor for a FinTS holdings account.
@@ -215,26 +194,17 @@ class FinTsHoldingsAccount(SensorEntity):
     def __init__(self, client: FinTsClient, account, name: str) -> None:
         """Initialize a FinTs holdings account."""
         self._client = client
-        self._name = name
+        self._attr_name = name
         self._account = account
-        self._holdings = []
+        self._holdings: list[Any] = []
-        self._total: float = None
+        self._attr_icon = ICON
+        self._attr_unit_of_measurement = "EUR"
 
     def update(self) -> None:
         """Get the current holdings for the account."""
         bank = self._client.client
         self._holdings = bank.get_holdings(self._account)
-        self._total = sum(h.total_value for h in self._holdings)
+        self._attr_state = sum(h.total_value for h in self._holdings)
-
-    @property
-    def state(self) -> float:
-        """Return total market value as state."""
-        return self._total
-
-    @property
-    def icon(self) -> str:
-        """Set the icon for the sensor."""
-        return ICON
 
     @property
     def extra_state_attributes(self) -> dict:
@@ -257,18 +227,3 @@ class FinTsHoldingsAccount(SensorEntity):
             attributes[price_name] = holding.market_value
 
         return attributes
-
-    @property
-    def name(self) -> str:
-        """Friendly name of the sensor."""
-        return self._name
-
-    @property
-    def unit_of_measurement(self) -> str:
-        """Get the unit of measurement.
-
-        Hardcoded to EUR, as the library does not provide the currency for the
-        holdings. And as FinTS is only used in Germany, most accounts will be
-        in EUR anyways.
-        """
-        return "EUR"

mypy.ini

@@ -1333,9 +1333,6 @@ ignore_errors = true
 [mypy-homeassistant.components.filter.*]
 ignore_errors = true
 
-[mypy-homeassistant.components.fints.*]
-ignore_errors = true
-
 [mypy-homeassistant.components.fireservicerota.*]
 ignore_errors = true
 

script/hassfest/mypy_config.py

@@ -44,7 +44,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.entur_public_transport.*",
     "homeassistant.components.evohome.*",
     "homeassistant.components.filter.*",
-    "homeassistant.components.fints.*",
     "homeassistant.components.fireservicerota.*",
     "homeassistant.components.firmata.*",
     "homeassistant.components.flo.*",