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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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"""Common utility functions with strings."""

from __future__ import annotations

import random
import string


def get_random_string(length=8, choices=string.ascii_letters + string.digits):
    """Generate random string."""
    return "".join(random.choices(choices, k=length))


TRUE_LIKE_VALUES = {"on", "t", "true", "y", "yes", "1"}


def to_boolean(astring: str | None) -> bool:
    """Convert a string to a boolean."""
    if astring is None:
        return False
    if astring.lower() in TRUE_LIKE_VALUES:
        return True
    return False