class Askme(object):
def __init__(self, input=sys.stdin, output=sys.stdout):
self.input = input
self.output = output
def ask(self, question, answer_type = str, **configs):
self.question = Question(question, answer_type)
self.answer = ""
for key, value in configs.iteritems():
self.question.__dict__[key] = value
if self.question.gather:
return self.gather()
self.say(self.question.question)
# retry until the correct answer
while True:
try:
self.answer = self.question.answer_or_default(self.get_response())
self.answer = self.question.change_case(self.answer)
self.__class__(self.input, self.output)
self.question.update()
if not self.question.valid_answer(self.answer):
self.explain_error("not_valid")
raise QuestionError()
self.answer = self.question.convert(self.answer)
except QuestionError:
pass
else:
self.question = None
break
return self.answer
def get_line(self):
raw_answer = self.input.readline().strip('\n')
return raw_answer
def say(self, statement):
statement = "<%! from termcolor import colored, cprint %>" + str(statement)
# if statement ends with a whitespace before a color escape
template = Template(statement)
if statement:
sys.stdout.write("%s" % template.render())
else:
sys.stdout.write("%s" % template.render())
def get_response(self):
if self.question.first_answer:
return self.question.first_answer
if self.question.echo == True:
return self.get_line()
else:
line = ""
while True:
if self.question.echo == False:
line = getpass("")
break
else:
self.output.write(self.question.echo)
character = getch()
character_code = ord(character)
# backspace or delete
if character_code == 127 or character_code == 8:
#line = line[:-1]
pass
else:
line += character
# carriage or newline
if character_code == 13 or character_code == 10:
break
return self.question.change_case(line)
def explain_error(self, error):
self.say(self.question.responses[error]) if error else None
