# -*- coding: utf-8 -*- {{{
# vim: set fenc=utf-8 ft=python sw=4 ts=4 sts=4 et:
#
# Copyright 2019, Battelle Memorial Institute.
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# Licensed under the Apache License, Version 2.0 (the "License");
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import getpass
# Yes or no answers to questions.
y_or_n = ('Y', 'N', 'y', 'n')
y = ('Y', 'y')
n = ('N', 'n')
[docs]def prompt_response(prompt, valid_answers=None, default=None, echo=True,
mandatory=False):
prompt += ' '
if default is not None:
prompt += '[{}]: '.format(default)
if echo:
while True:
resp = input(prompt)
if resp == '' and default is not None:
return default
if str.strip(resp) == '' and mandatory:
print('Please enter a non empty value')
continue
if valid_answers is None or resp in valid_answers:
return resp
else:
print('Invalid response. Proper responses are:')
print(valid_answers)
else:
resp = getpass.getpass(prompt)
return resp