nShakeClone.py

#  nShakeClone.py
#
#  Recreates a shake style "uni-directional" clone
#
#  Created by Jesse Spielman on 8/26/2010

def shakeClone():
    EXCLUSION_LIST = ["xpos", "ypos", "help", "hide_input", "note_font_color",
                      "onCreate", "updateUI", "knobChanged", "note_font",
                      "tile_color", "selected", "autolabel", "process_mask",
                      "label", "onDestroy", "inject", "indicators", "maskFrom",
                      "maskChannelMask", "maskChannelInput", "Mask",
                      "postage_stamp", "disable", "maskChannelMask",
                      "panel",  "maskFromFlag", "name", "cached", "fringe",
                      "maskChannelInput" ,  "note_font_size" ,  "filter",
                      "gl_color", "transform"]

    originals = nuke.selectedNodes()
    [ n['selected'].setValue(False) for n in nuke.allNodes() ]

    for original in originals:
        new = nuke.createNode(original.Class())

        for i in original.knobs():
            if i not in EXCLUSION_LIST:
                # Try to set the expression on the knob
                new.knob(i).setExpression("%s.%s" % (
                        original.name(), original.knob(i).name()))

                # This will fail if the knob is an Array Knob...
                # use setSingleValue to compensate!
                # Thanks Hugh!
                if isinstance(new.knob(i), nuke.Array_Knob):
                    new.knob(i).setSingleValue(original.knob(i).singleValue())

                # This will fail if the knob is a String Knob...
                # use a TCL expression link to compensate!
                # Thanks Michael!
                elif isinstance(new.knob(i), nuke.String_Knob):
                    new.knob(i).setValue("[value %s.%s]" % (
                            original.name(), original.knob(i).name()))

        new['selected'].setValue(False)

    [ n['selected'].setValue(True) for n in originals ]


# Add a menu / keyboard shortcut for this command
menu = nuke.menu('Nuke')
molTools = menu.addMenu('heavyimage')
molTools.addCommand( 'Shake Style Clone', 'shakeClone()', "Alt+v")