baboon.baboon.fmt.cinput

        def cinput(prompt, validations=[], secret=False):
    """ Retrieves the user input with a formatted prompt. Return the value when
    the value entered by the user matches all validations. The validations is a
    list of tuple. The first element of the tuple is the regexp, the second is
    the error message when the input does not match the regexp.
    """

    # The future return value.
    ret = None

    # Iterate until input matches all validations.
    while True:
        valid = True

        # Get the user input and put it into ret.
        colored_prompt = colored(prompt, attrs=['bold'])
        ret = getpass(prompt=colored_prompt) if secret else \
            input(colored_prompt)

        # Iterates over validations...
        for validation, possible_err in validations:
            if not match(validation, ret):
                # The input is not valid. Print an error message and set the
                # valid flag to False to avoid to exit the while True loop.
                cerr(possible_err)
                valid = False

        # Exit the loop if the valid flag is True.
        if valid:
            break

    return ret