1 files changed, 88 insertions, 0 deletions
diff --git a/src/mlia/backend/executor/fs.py b/src/mlia/backend/executor/fs.py
new file mode 100644
index 0000000..3fce19c
--- /dev/null
+++ b/src/mlia/backend/executor/fs.py
@@ -0,0 +1,88 @@
+# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Module to host all file system related functions."""
+from __future__ import annotations
+
+import re
+import shutil
+from pathlib import Path
+from typing import Literal
+
+from mlia.utils.filesystem import get_mlia_resources
+
+ResourceType = Literal["applications", "systems"]
+
+
+def get_backend_resources() -> Path:
+    """Get backend resources folder path."""
+    return get_mlia_resources() / "backends"
+
+
+def get_backends_path(name: ResourceType) -> Path:
+    """Return the absolute path of the specified resource.
+
+    It uses importlib to return resources packaged with MANIFEST.in.
+    """
+    if not name:
+        raise ResourceWarning("Resource name is not provided")
+
+    resource_path = get_backend_resources() / name
+    if resource_path.is_dir():
+        return resource_path
+
+    raise ResourceWarning(f"Resource '{name}' not found.")
+
+
+def copy_directory_content(source: Path, destination: Path) -> None:
+    """Copy content of the source directory into destination directory."""
+    for item in source.iterdir():
+        src = source / item.name
+        dest = destination / item.name
+
+        if src.is_dir():
+            shutil.copytree(src, dest)
+        else:
+            shutil.copy2(src, dest)
+
+
+def remove_resource(resource_directory: str, resource_type: ResourceType) -> None:
+    """Remove resource data."""
+    resources = get_backends_path(resource_type)
+
+    resource_location = resources / resource_directory
+    if not resource_location.exists():
+        raise Exception(f"Resource {resource_directory} does not exist")
+
+    if not resource_location.is_dir():
+        raise Exception(f"Wrong resource {resource_directory}")
+
+    shutil.rmtree(resource_location)
+
+
+def remove_directory(directory_path: Path | None) -> None:
+    """Remove directory."""
+    if not directory_path or not directory_path.is_dir():
+        raise Exception("No directory path provided")
+
+    shutil.rmtree(directory_path)
+
+
+def recreate_directory(directory_path: Path | None) -> None:
+    """Recreate directory."""
+    if not directory_path:
+        raise Exception("No directory path provided")
+
+    if directory_path.exists() and not directory_path.is_dir():
+        raise Exception(
+            f"Path {str(directory_path)} does exist and it is not a directory."
+        )
+
+    if directory_path.is_dir():
+        remove_directory(directory_path)
+
+    directory_path.mkdir()
+
+
+def valid_for_filename(value: str, replacement: str = "") -> str:
+    """Replace non alpha numeric characters."""
+    return re.sub(r"[^\w.]", replacement, value, flags=re.ASCII)