Drop python3.8 support (#992)

Drop support for soon-to-be eol'd python 3.8.
This will allow some minor cleanups & makes it easier to add support for
timezones.

Related to
https://github.com/python-kasa/python-kasa/issues/980#issuecomment-2170889543

kasa/aestransport.py

@@ -10,8 +10,9 @@ import base64
 import hashlib
 import logging
 import time
+from collections.abc import AsyncGenerator
 from enum import Enum, auto
-from typing import TYPE_CHECKING, Any, AsyncGenerator, Dict, cast
+from typing import TYPE_CHECKING, Any, Dict, cast
 
 from cryptography.hazmat.primitives import padding, serialization
 from cryptography.hazmat.primitives.asymmetric import padding as asymmetric_padding

kasa/device.py

@@ -106,9 +106,10 @@ from __future__ import annotations
 
 import logging
 from abc import ABC, abstractmethod
+from collections.abc import Mapping, Sequence
 from dataclasses import dataclass
 from datetime import datetime
-from typing import TYPE_CHECKING, Any, Mapping, Sequence
+from typing import TYPE_CHECKING, Any
 from warnings import warn
 
 from typing_extensions import TypeAlias

kasa/discover.py

@@ -86,7 +86,8 @@ import binascii
 import ipaddress
 import logging
 import socket
-from typing import Awaitable, Callable, Dict, Optional, Type, cast
+from collections.abc import Awaitable
+from typing import Callable, Dict, Optional, Type, cast
 
 # When support for cpython older than 3.11 is dropped
 # async_timeout can be replaced with asyncio.timeout

kasa/interfaces/lightpreset.py

@@ -71,7 +71,7 @@ Light preset 1
 from __future__ import annotations
 
 from abc import abstractmethod
-from typing import Sequence
+from collections.abc import Sequence
 
 from ..feature import Feature
 from ..module import Module

kasa/iot/iotdevice.py

@@ -18,8 +18,9 @@ import collections.abc
 import functools
 import inspect
 import logging
+from collections.abc import Mapping, Sequence
 from datetime import datetime, timedelta, timezone
-from typing import TYPE_CHECKING, Any, Mapping, Sequence, cast
+from typing import TYPE_CHECKING, Any, cast
 
 from ..device import Device, WifiNetwork
 from ..deviceconfig import DeviceConfig

kasa/iot/modules/lightpreset.py

@@ -2,8 +2,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Sequence
 from dataclasses import asdict
-from typing import TYPE_CHECKING, Optional, Sequence
+from typing import TYPE_CHECKING, Optional
 
 from pydantic.v1 import BaseModel, Field
 

kasa/smart/modules/firmware.py

@@ -4,8 +4,9 @@ from __future__ import annotations
 
 import asyncio
 import logging
+from collections.abc import Coroutine
 from datetime import date
-from typing import TYPE_CHECKING, Any, Callable, Coroutine, Optional
+from typing import TYPE_CHECKING, Any, Callable, Optional
 
 # When support for cpython older than 3.11 is dropped
 # async_timeout can be replaced with asyncio.timeout

kasa/smart/modules/lightpreset.py

@@ -2,8 +2,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Sequence
 from dataclasses import asdict
-from typing import TYPE_CHECKING, Sequence
+from typing import TYPE_CHECKING
 
 from ...interfaces import LightPreset as LightPresetInterface
 from ...interfaces import LightState

kasa/smart/smartdevice.py

@@ -4,8 +4,9 @@ from __future__ import annotations
 
 import base64
 import logging
+from collections.abc import Mapping, Sequence
 from datetime import datetime, timedelta, timezone
-from typing import TYPE_CHECKING, Any, Mapping, Sequence, cast
+from typing import Any, cast
 
 from ..aestransport import AesTransport
 from ..device import Device, WifiNetwork
@@ -97,9 +98,7 @@ class SmartDevice(Device):
     @property
     def modules(self) -> ModuleMapping[SmartModule]:
         """Return the device modules."""
-        if TYPE_CHECKING:  # Needed for python 3.8
-            return cast(ModuleMapping[SmartModule], self._modules)
-        return self._modules
+        return cast(ModuleMapping[SmartModule], self._modules)
 
     def _try_get_response(self, responses: dict, request: str, default=None) -> dict:
         response = responses.get(request)

kasa/tests/device_fixtures.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import AsyncGenerator
+from collections.abc import AsyncGenerator
 
 import pytest
 

kasa/tests/test_iotdevice.py

@@ -91,9 +91,10 @@ async def test_state_info(dev):
 @pytest.mark.requires_dummy
 @device_iot
 async def test_invalid_connection(mocker, dev):
-    with mocker.patch.object(
-        FakeIotProtocol, "query", side_effect=KasaException
-    ), pytest.raises(KasaException):
+    with (
+        mocker.patch.object(FakeIotProtocol, "query", side_effect=KasaException),
+        pytest.raises(KasaException),
+    ):
         await dev.update()
 
 

kasa/tests/test_smartdevice.py

@@ -38,9 +38,10 @@ async def test_update_no_device_info(dev: SmartDevice, mocker: MockerFixture):
         "get_device_time": {},
     }
     msg = f"get_device_info not found in {mock_response} for device 127.0.0.123"
-    with mocker.patch.object(
-        dev.protocol, "query", return_value=mock_response
-    ), pytest.raises(KasaException, match=msg):
+    with (
+        mocker.patch.object(dev.protocol, "query", return_value=mock_response),
+        pytest.raises(KasaException, match=msg),
+    ):
         await dev.update()
 
 

kasa/xortransport.py

@@ -18,8 +18,8 @@ import errno
 import logging
 import socket
 import struct
+from collections.abc import Generator
 from pprint import pformat as pf
-from typing import Generator
 
 # When support for cpython older than 3.11 is dropped
 # async_timeout can be replaced with asyncio.timeout