1 files changed, 37 insertions, 0 deletions
diff --git a/src/mlia/utils/types.py b/src/mlia/utils/types.py
new file mode 100644
index 0000000..9b63928
--- /dev/null
+++ b/src/mlia/utils/types.py
@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Types related utility functions."""
+from typing import Any
+from typing import Optional
+
+
+def is_list_of(data: Any, cls: type, elem_num: Optional[int] = None) -> bool:
+    """Check if data is a list of object of the same class."""
+    return (
+        isinstance(data, (tuple, list))
+        and all(isinstance(item, cls) for item in data)
+        and (elem_num is None or len(data) == elem_num)
+    )
+
+
+def is_number(value: str) -> bool:
+    """Return true if string contains a number."""
+    try:
+        float(value)
+    except ValueError:
+        return False
+
+    return True
+
+
+def parse_int(value: Any, default: Optional[int] = None) -> Optional[int]:
+    """Parse integer value."""
+    try:
+        return int(value)
+    except (TypeError, ValueError):
+        return default
+
+
+def only_one_selected(*options: bool) -> bool:
+    """Return true if only one True value found."""
+    return sum(options) == 1