fixed type errors when pylance type checking mode is strict.

mdrsclient/commands/metadata.py

@@ -1,5 +1,6 @@
 import json
-from argparse import Namespace, _SubParsersAction
+from argparse import Namespace
+from typing import Any
 
 from mdrsclient.api import FolderApi
 from mdrsclient.commands.base import BaseCommand
@@ -7,18 +8,24 @@ from mdrsclient.commands.base import BaseCommand
 
 class MetadataCommand(BaseCommand):
     @classmethod
-    def register(cls, parsers: _SubParsersAction) -> None:
-        command = cls()
+    def register(cls, parsers: Any) -> None:
         metadata_parser = parsers.add_parser("metadata", help="get a folder metadata")
         metadata_parser.add_argument("-p", "--password", help="password to use when open locked folder")
         metadata_parser.add_argument("remote_path", help="remote folder path (remote:/lab/path/)")
-        metadata_parser.set_defaults(func=command.metadata)
+        metadata_parser.set_defaults(func=cls.func)
 
-    def metadata(self, args: Namespace) -> None:
-        (remote, laboratory_name, r_path) = self._parse_remote_host_with_path(args.remote_path)
-        connection = self._create_connection(remote)
-        laboratory = self._find_laboratory(connection, laboratory_name)
-        folder = self._find_folder(connection, laboratory, r_path, args.password)
+    @classmethod
+    def func(cls, args: Namespace) -> None:
+        remote_path = str(args.remote_path)
+        password = str(args.password) if args.password else None
+        cls.metadata(remote_path, password)
+
+    @classmethod
+    def metadata(cls, remote_path: str, password: str | None) -> None:
+        (remote, laboratory_name, r_path) = cls._parse_remote_host_with_path(remote_path)
+        connection = cls._create_connection(remote)
+        laboratory = cls._find_laboratory(connection, laboratory_name)
+        folder = cls._find_folder(connection, laboratory, r_path, password)
         folder_api = FolderApi(connection)
         metadata = folder_api.metadata(folder.id)
         print(json.dumps(metadata, ensure_ascii=False))