pipeline.py 文件源码

def lock():
    """Lock scene

    Add an invisible node to your Maya scene with the name of the
    current file, indicating that this file is "locked" and cannot
    be modified any further.

    """

    if not cmds.objExists("lock"):
        with lib.maintained_selection():
            cmds.createNode("objectSet", name="lock")
            cmds.addAttr("lock", ln="basename", dataType="string")

            # Permanently hide from outliner
            cmds.setAttr("lock.verticesOnlySet", True)

    fname = cmds.file(query=True, sceneName=True)
    basename = os.path.basename(fname)
    cmds.setAttr("lock.basename", basename, type="string")