Function position_to_cursor

IPython/core/completer.py:1677–1708

Convert the position of the cursor in text (0 indexed) to a line number(0-indexed) and a column number (0-indexed) pair Position should be a valid position in ``text``. Parameters ---------- text : str The text in which to calculate the cursor offset offset : i

(text: str, offset: int)

def position_to_cursor(text: str, offset: int) -> tuple[int, int]:
    """
    Convert the position of the cursor in text (0 indexed) to a line
    number(0-indexed) and a column number (0-indexed) pair

    Position should be a valid position in ``text``.

    Parameters
    ----------
    text : str
        The text in which to calculate the cursor offset
    offset : int
        Position of the cursor in ``text``, 0-indexed.

    Returns
    -------
    (line, column) : (int, int)
        Line of the cursor; 0-indexed, column of the cursor 0-indexed

    See Also
    --------
    cursor_to_position : reciprocal of this function

    """

    assert 0 <= offset <= len(text) , "0 <= %s <= %s" % (offset , len(text))

    before = text[:offset]
    blines = before.split('\n')  # ! splitnes trim trailing \n
    line = before.count('\n')
    col = len(blines[-1])
    return line, col


def _safe_isinstance(obj, module, class_name, *attrs):