new typing style

kvmd/tools.py

@@ -26,9 +26,6 @@ import multiprocessing.queues
 import queue
 import shlex
 
-from typing import Tuple
-from typing import List
-from typing import Dict
 from typing import Hashable
 from typing import TypeVar
 
@@ -39,7 +36,7 @@ def remap(value: int, in_min: int, in_max: int, out_min: int, out_max: int) -> i
 
 
 # =====
-def cmdfmt(cmd: List[str]) -> str:
+def cmdfmt(cmd: list[str]) -> str:
     return " ".join(map(shlex.quote, cmd))
 
 
@@ -48,7 +45,7 @@ def efmt(err: Exception) -> str:
 
 
 # =====
-def merge(dest: Dict, src: Dict) -> None:
+def merge(dest: dict, src: dict) -> None:
     for key in src:
         if key in dest:
             if isinstance(dest[key], dict) and isinstance(src[key], dict):
@@ -57,7 +54,7 @@ def merge(dest: Dict, src: Dict) -> None:
         dest[key] = src[key]
 
 
-def rget(dct: Dict, *keys: Hashable) -> Dict:
+def rget(dct: dict, *keys: Hashable) -> dict:
     result = functools.reduce((lambda nxt, key: nxt.get(key, {})), keys, dct)
     if not isinstance(result, dict):
         raise TypeError(f"Not a dict as result: {result!r} from {dct!r} at {list(keys)}")
@@ -68,11 +65,11 @@ _DictKeyT = TypeVar("_DictKeyT")
 _DictValueT = TypeVar("_DictValueT")
 
 
-def sorted_kvs(dct: Dict[_DictKeyT, _DictValueT]) -> List[Tuple[_DictKeyT, _DictValueT]]:
+def sorted_kvs(dct: dict[_DictKeyT, _DictValueT]) -> list[tuple[_DictKeyT, _DictValueT]]:
     return sorted(dct.items(), key=operator.itemgetter(0))
 
 
-def swapped_kvs(dct: Dict[_DictKeyT, _DictValueT]) -> Dict[_DictValueT, _DictKeyT]:
+def swapped_kvs(dct: dict[_DictKeyT, _DictValueT]) -> dict[_DictValueT, _DictKeyT]:
     return {value: key for (key, value) in dct.items()}
 
 
@@ -86,7 +83,7 @@ def clear_queue(q: multiprocessing.queues.Queue) -> None:  # pylint: disable=inv
 
 
 # =====
-def build_cmd(cmd: List[str], cmd_remove: List[str], cmd_append: List[str]) -> List[str]:
+def build_cmd(cmd: list[str], cmd_remove: list[str], cmd_append: list[str]) -> list[str]:
     assert len(cmd) >= 1, cmd
     return [
         cmd[0],  # Executable