Standardisation 3

copienator/cli.py

@@ -50,6 +50,16 @@ def evaluation_parser(description: str) -> argparse.ArgumentParser:
     return parser
 
 
+def target_parser(description: str) -> argparse.ArgumentParser:
+    parser = standard_parser(description)
+    parser.add_argument(
+        "target",
+        type=Path,
+        help="Evaluation directory or nested file to process",
+    )
+    return parser
+
+
 def evaluation_workspace(
     path: str | Path,
     *,
@@ -77,6 +87,21 @@ def workspace_from_args(
     return evaluation_workspace(args.evaluation, repository=repository)
 
 
+def workspace_from_target(
+    args: argparse.Namespace,
+    *,
+    repository: str | Path | None = None,
+) -> tuple[EvaluationWorkspace, Path]:
+    target = Path(args.target).expanduser().resolve()
+    if not target.exists():
+        raise CliError(f"Target does not exist: {target}", ExitCode.INVALID_WORKSPACE)
+    repository_path = Path(repository) if repository is not None else None
+    if target.is_dir() and EvaluationWorkspace.looks_like_evaluation(target):
+        return EvaluationWorkspace(target, repository_path), target
+    workspace = EvaluationWorkspace.discover(target, repository=repository_path)
+    return workspace, target
+
+
 def execute(
     parser: argparse.ArgumentParser,
     argv: Sequence[str] | None,