def _write_error(self, io: IO, error: Exception) -> None:
"""
Outputs an error message.
"""
message = "<error>{}</error>".format(str(error))
io.write_error_line(message)
def _write_prompt(self, io: IO) -> None:
"""
Outputs the question prompt.
"""
message = self._question
default = self._default
if default is None:
message = "<question>{}</question>: ".format(message)
elif self._multi_select:
choices = self._choices
default = default.split(",")
for i, value in enumerate(default):
default[i] = choices[int(value.strip())]
message = "<question>{}</question> [<comment>{}</comment>]:".format(
message, ", ".join(default))
else:
choices = self._choices
message = "<question>{}</question> [<comment>{}</comment>]:".format(
message, choices[int(default)])
if len(self._choices) > 1:
width = max(
*map(len, [str(k) for k, _ in enumerate(self._choices)]))
else:
width = 1
messages = [message]
for key, value in enumerate(self._choices):
messages.append(" [<comment>{:{}}</>] {}".format(
key, width, value))
io.write_error_line("\n".join(messages))
message = self._prompt
io.write_error(message)