new ruff fixes

asyncua/__init__.py

@@ -3,11 +3,7 @@ Pure Python OPC-UA library
 """
 
 import sys
-
-if sys.version_info >= (3, 8):
-    from importlib import metadata
-else:
-    import importlib_metadata as metadata
+from importlib import metadata
 
 __version__ = metadata.version("asyncua")
 

asyncua/common/node.py

@@ -5,15 +5,9 @@ and browse address space
 
 from datetime import datetime
 import logging
-import sys
-from typing import Any, List, Optional, Set, Union, overload
+from typing import Any, List, Optional, Set, Union, overload, Literal
 from collections.abc import Iterable
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing import Literal
-
 from asyncua import ua
 from asyncua.common.session_interface import AbstractSession
 from asyncua.ua.uaerrors import UaInvalidParameterError

asyncua/common/subscription.py

@@ -7,15 +7,9 @@ from __future__ import annotations
 import asyncio
 import collections.abc
 import logging
-import sys
-from typing import TYPE_CHECKING, Any, Tuple, Union, List, overload
+from typing import TYPE_CHECKING, Any, Tuple, Union, List, overload, Protocol
 from collections.abc import Iterable
 
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol
-
 from asyncua import ua
 from asyncua.client.ua_client import UaClient
 from asyncua.common.ua_utils import copy_dataclass_attr

asyncua/server/event_generator.py

@@ -2,7 +2,6 @@ import logging
 from datetime import datetime, timezone
 import time
 import uuid
-import sys
 
 from asyncua import ua
 from asyncua.server.internal_session import InternalSession
@@ -92,12 +91,8 @@ class EventGenerator:
         self.event.ReceiveTime = datetime.now(timezone.utc)
 
         self.event.LocalTime = ua.uaprotocol_auto.TimeZoneDataType()
-        if sys.version_info.major > 2:
-            localtime = time.localtime(self.event.Time.timestamp())
-            self.event.LocalTime.Offset = localtime.tm_gmtoff // 60
-        else:
-            localtime = time.localtime(time.mktime(self.event.Time.timetuple()))
-            self.event.LocalTime.Offset = -(time.altzone if localtime.tm_isdst else time.timezone)
+        localtime = time.localtime(self.event.Time.timestamp())
+        self.event.LocalTime.Offset = localtime.tm_gmtoff // 60
         self.event.LocalTime.DaylightSavingInOffset = bool(localtime.tm_isdst != -1)
 
         if message:

asyncua/sync.py

@@ -7,18 +7,13 @@ from __future__ import annotations
 import asyncio
 from datetime import datetime
 import functools
-import sys
 from cryptography import x509
 from pathlib import Path
 from threading import Thread, Condition
 import logging
-from typing import Any, Dict, List, Set, Tuple, Type, Union, overload
+from typing import Any, Dict, List, Set, Tuple, Type, Union, overload, Literal
 from collections.abc import Callable, Iterable, Sequence
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing import Literal
 
 from asyncua import ua
 from asyncua import client

pyproject.toml

@@ -104,6 +104,7 @@ ignore = [
     # https://github.com/astral-sh/ruff/issues/5035
     "UP006", # Use `list` instead of `List` for type annotation
     "UP007", # Use `X | Y` for type annotations
+    "UP035", # list instead of List again?? 
 ]
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401", "F403"]