From d61db732dab3bbc655f87c1022d247337f6100c8 Mon Sep 17 00:00:00 2001
From: Sid <27780930+autinerd@users.noreply.github.com>
Date: Wed, 10 Apr 2024 06:57:27 +0200
Subject: [PATCH] Enable Ruff SLOT rules (#115043)

---
 homeassistant/helpers/template.py           | 2 ++
 homeassistant/util/event_type.py            | 2 ++
 pyproject.toml                              | 1 +
 tests/components/bluetooth/test_wrappers.py | 2 +-
 tests/helpers/test_config_validation.py     | 2 +-
 tests/helpers/test_template.py              | 2 +-
 tests/util/test_json.py                     | 2 +-
 7 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/homeassistant/helpers/template.py b/homeassistant/helpers/template.py
index 501dd21d416..d344a473494 100644
--- a/homeassistant/helpers/template.py
+++ b/homeassistant/helpers/template.py
@@ -305,6 +305,8 @@ def gen_result_wrapper(kls: type[dict | list | set]) -> type:
 class TupleWrapper(tuple, ResultWrapper):
     """Wrap a tuple."""
 
+    __slots__ = ()
+
     # This is all magic to be allowed to subclass a tuple.
 
     def __new__(cls, value: tuple, *, render_result: str | None = None) -> Self:
diff --git a/homeassistant/util/event_type.py b/homeassistant/util/event_type.py
index e96d45c80a3..509a35d33ae 100644
--- a/homeassistant/util/event_type.py
+++ b/homeassistant/util/event_type.py
@@ -18,3 +18,5 @@ class EventType(str, Generic[_DataT]):
 
     At runtime this is a generic subclass of str.
     """
+
+    __slots__ = ()
diff --git a/pyproject.toml b/pyproject.toml
index bda0ee4f85f..9ea03a63ff8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -664,6 +664,7 @@ select = [
     "S608", # hardcoded-sql-expression
     "S609", # unix-command-wildcard-injection
     "SIM", # flake8-simplify
+    "SLOT", # flake8-slots
     "T100", # Trace found: {name} used
     "T20", # flake8-print
     "TID251", # Banned imports
diff --git a/tests/components/bluetooth/test_wrappers.py b/tests/components/bluetooth/test_wrappers.py
index 0630d671038..c14fb8a58c1 100644
--- a/tests/components/bluetooth/test_wrappers.py
+++ b/tests/components/bluetooth/test_wrappers.py
@@ -383,7 +383,7 @@ async def test_passing_subclassed_str_as_address(
     _, cancel_hci0, cancel_hci1 = _generate_scanners_with_fake_devices(hass)
 
     class SubclassedStr(str):
-        pass
+        __slots__ = ()
 
     address = SubclassedStr("00:00:00:00:00:01")
     client = bleak.BleakClient(address)
diff --git a/tests/helpers/test_config_validation.py b/tests/helpers/test_config_validation.py
index 9816dc38189..5e9fcd9d661 100644
--- a/tests/helpers/test_config_validation.py
+++ b/tests/helpers/test_config_validation.py
@@ -544,7 +544,7 @@ def test_string(hass: HomeAssistant) -> None:
 
     # Test subclasses of str are returned
     class MyString(str):
-        pass
+        __slots__ = ()
 
     my_string = MyString("hello")
     assert schema(my_string) is my_string
diff --git a/tests/helpers/test_template.py b/tests/helpers/test_template.py
index 87279ef707b..fe152ac0d56 100644
--- a/tests/helpers/test_template.py
+++ b/tests/helpers/test_template.py
@@ -1270,7 +1270,7 @@ def test_to_json(hass: HomeAssistant) -> None:
     # Test special case where substring class cannot be rendered
     # See: https://github.com/ijl/orjson/issues/445
     class MyStr(str):
-        pass
+        __slots__ = ()
 
     expected_result = '{"mykey1":11.0,"mykey2":"myvalue2","mykey3":["opt3b","opt3a"]}'
     test_dict = {
diff --git a/tests/util/test_json.py b/tests/util/test_json.py
index b4a52cb4b41..3eccb524538 100644
--- a/tests/util/test_json.py
+++ b/tests/util/test_json.py
@@ -163,7 +163,7 @@ async def test_loading_derived_class():
     """Test loading data from classes derived from str."""
 
     class MyStr(str):
-        pass
+        __slots__ = ()
 
     class MyBytes(bytes):
         pass