lib.py 文件源码

def _maintained_selection_context():
    """Maintain selection during context

    Example:
        >>> scene = cmds.file(new=True, force=True)
        >>> node = cmds.createNode("transform", name="Test")
        >>> cmds.select("persp")
        >>> with maintained_selection():
        ...     cmds.select("Test", replace=True)
        >>> "Test" in cmds.ls(selection=True)
        False

    """

    previous_selection = cmds.ls(selection=True)
    try:
        yield
    finally:
        if previous_selection:
            cmds.select(previous_selection,
                        replace=True,
                        noExpand=True)
        else:
            cmds.select(deselect=True,
                        noExpand=True)