def select_bool(message=''):
    """ CLI bool selection. """
    
    options = ['y', 'n']
    message = message + ' (' + '/'.join(options) + ') '
    val = None
    while val not in options:
        val = input(message)
        if val not in options:
            logger.error('Input y (yes) or n (no).')
    if val == 'y':
        return True
    elif val == 'n':
        return False
CLI bool selection.
ISR/utils/utils.py