Python prompt_toolkit.keys.Keys.Down() Examples

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Example #1

Source File: key_mappings.py From pymux with BSD 3-Clause "New" or "Revised" License

6 votes

def prompt_toolkit_key_to_vt100_key(key, application_mode=False):
    """
    Turn a prompt toolkit key. (E.g Keys.ControlB) into a Vt100 key sequence.
    (E.g. \x1b[A.)
    """
    application_mode_keys = {
        Keys.Up: '\x1bOA',
        Keys.Left: '\x1bOD',
        Keys.Right: '\x1bOC',
        Keys.Down: '\x1bOB',
    }

    if key == Keys.ControlJ:
        # Required for redis-cli. This can be removed when prompt_toolkit stops
        # replacing \r by \n.
        return '\r'

    if key == '\n':
        return '\r'

    elif application_mode and key in application_mode_keys:
        return application_mode_keys.get(key)
    else:
        return _PROMPT_TOOLKIT_KEY_TO_VT100.get(key, key)

Example #2

Source File: test_inputstream.py From python-prompt-toolkit with BSD 3-Clause "New" or "Revised" License

5 votes

def test_arrows(processor, stream):
    stream.feed("\x1b[A\x1b[B\x1b[C\x1b[D")

    assert len(processor.keys) == 4
    assert processor.keys[0].key == Keys.Up
    assert processor.keys[1].key == Keys.Down
    assert processor.keys[2].key == Keys.Right
    assert processor.keys[3].key == Keys.Left
    assert processor.keys[0].data == "\x1b[A"
    assert processor.keys[1].data == "\x1b[B"
    assert processor.keys[2].data == "\x1b[C"
    assert processor.keys[3].data == "\x1b[D"