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# ``twisted`.`conch`.`client`.`knownhosts`.`ConsoleUI``

class documentation

`class ConsoleUI: (source)`

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A UI object that can ask true/false questions and post notifications on the console, to be used during key verification.

Method | `__init__` | No summary
Method | `prompt` | Write the given text as a prompt to the console output, then read a result from the console input.
Method | `warn` | Notify the user (non-interactively) of the provided text, by writing it to the console.
Instance Variable | `opener` | Undocumented

def __init__(self, opener): (source)

Parameters
opener:callable taking no arguments and returning a read/write file-like object | A no-argument callable which should open a console binary-mode file-like object to be used for reading and writing. This initializes the `opener` attribute.

def prompt(self, text): (source)

Write the given text as a prompt to the console output, then read a result from the console input.

Parameters
text:`bytes` | Something to present to a user to solicit a yes or no response.
Returns
a `Deferred` which fires with `True` when the user answers 'yes' and `False` when the user answers 'no'. It may errback if there were any I/O errors.

def warn(self, text): (source)

Notify the user (non-interactively) of the provided text, by writing it to the console.

Parameters
text:`bytes` | Some information the user is to be made aware of.

opener = (source)

Undocumented