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# 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
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