Convert a string representation of truth to True or False

strtobool.py

# This used to exist in distutils, which is removed since Python 3.12
# https://github.com/pypa/distutils/blob/main/distutils/util.py#L340

def strtobool(val: str) -> bool:
    """Convert a string representation of truth to True or False.

    True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values are 'n', 'no',
    'f', 'false', 'off', and '0'.  Raises ValueError if 'val' is anything else.
    """
    val = val.strip().casefold()
    if val in {"y", "yes", "t", "true", "on", "1"}:
        return True
    if val in {"n", "no", "f", "false", "off", "0"}:
        return False
    raise ValueError(f"invalid truth value {val!r}")