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Diffstat (limited to 'src/mlia/utils/types.py')
-rw-r--r-- | src/mlia/utils/types.py | 37 |
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 |