split source code for each command.

mdrsclient/commands/file_metadata.py

@@ -0,0 +1,30 @@
+import os
+from argparse import Namespace, _SubParsersAction
+
+from mdrsclient.api import FileApi
+from mdrsclient.commands.base import BaseCommand
+from mdrsclient.exceptions import IllegalArgumentException
+
+
+class FileMetadataCommand(BaseCommand):
+    @classmethod
+    def register(cls, parsers: _SubParsersAction) -> None:
+        command = cls()
+        file_metadata_parser = parsers.add_parser("file-metadata", help="get the file metadata")
+        file_metadata_parser.add_argument("remote_path", help="remote file path (remote:/lab/path/file)")
+        file_metadata_parser.set_defaults(func=command.file_metadata)
+
+    def file_metadata(self, args: Namespace) -> None:
+        (remote, laboratory_name, r_path) = self._parse_remote_host_with_path(args.remote_path)
+        r_path = r_path.rstrip("/")
+        r_dirname = os.path.dirname(r_path)
+        r_basename = os.path.basename(r_path)
+        connection = self._create_connection(remote)
+        laboratory = self._find_laboratory(connection, laboratory_name)
+        folder = self._find_folder(connection, laboratory, r_dirname)
+        file = folder.find_file(r_basename)
+        if file is None:
+            raise IllegalArgumentException(f"File `{r_basename}` not found.")
+        file_api = FileApi(connection)
+        metadata = file_api.metadata(file)
+        print(metadata)