Function get_input

cli/config.py:21–54

Request user input, updating the underlying config if applicable. Args: prompt: On-screen prompt before user input default_value: The default (existing) value config: BinaryAlertConfig instance, if updating the underlying configuration If None, the valid valu

(prompt: str, default_value: str,
              config: Any = None, property_name: str = None)

def get_input(prompt: str, default_value: str,
              config: Any = None, property_name: str = None) -> str:
    """Request user input, updating the underlying config if applicable.

    Args:
        prompt: On-screen prompt before user input
        default_value: The default (existing) value
        config: BinaryAlertConfig instance, if updating the underlying configuration
            If None, the valid values are assumed to be 'yes' and 'no'
        property_name: Name of the config property to update (applicable only if config != None)

    Returns:
        Lowercase user input, stripped of extra spaces, or the default value if no input was given
    """
    if default_value:
        prompt = '{} ({}): '.format(prompt, default_value)
    else:
        prompt = '{}: '.format(prompt)

    # Keep requesting user input until it is valid
    while True:
        user_input = input(prompt).strip().lower() or default_value
        if config and property_name:
            try:
                setattr(config, property_name, user_input)
                break
            except InvalidConfigError as error:
                print('ERROR: {}'.format(error))
        elif user_input in {'yes', 'no'}:
            break
        else:
            print('ERROR: Please enter exactly "yes" or "no"')

    return user_input


class BinaryAlertConfig: