Function request_new_units

lantz/ui/widgets.py:739–754

Ask for new units using a dialog box and return them. :param current_units: current units or magnitude. :type current_units: Quantity

(current_units)

def request_new_units(current_units):
    """Ask for new units using a dialog box and return them.

    :param current_units: current units or magnitude.
    :type current_units: Quantity

    """
    new_units = UnitInputDialog.get_units(current_units)
    if new_units is None:
        return None

    try:
        return Q_(1, new_units)
    except LookupError:
        # cannot parse units
        return None


@register_wrapper