nuke shakeStyleClone v1.3c

#  nShakeClone.py
#  Nuke Python Module
#
#  Recreates a shake style "uni-directional" clone
#
#  Created by Jesse Spielman on 8/26/2010
#  jesse@themolecule.net
#
#   version 1.0 on 8/26/2010
#   Initial release
#
#   version 1.1 on 10/25/2010
#   bugfix suggested by Hugh Macdonald to work around cloning array_knobs using setSingleValue()
#
#   version 1.2 on 3/10/2011
#   improvement suggested by Michael Habenicht to handle String Knobs
#
#   version 1.3 on 3/10/2012
#   Added comments / removed some debug statements
#
#   v1.3c
#   hide panel
#   added Hugh's code for renaming
#
#  Take all selected nodes and create dupliates that are linked via expressions
#  to the original for all knobs except those an EXCLUSION_LIST...there may be
#  value in defining different EXCLUSION_LISTs per node class...
#
#  Copyright 2010 The Molecule.
#  http://www.themolecule.net
#  All rights reserved.
#
#  Software is provided "as is," which means no guarantees!

import nuke

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", "postage_stamp_frame","dope_sheet"]
# other knobs that caused problems before the mods:
# "fbx_load_take_node_names", "file_menu", "file", "fstop", "matrix", "snap_menu", "useMatrix", "world_matrix"'

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

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

        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)
        newNameFormat = "%s_clone%%d" % original.name()
        i = 1
        while nuke.exists(newNameFormat % i): i += 1
        new.setName(newNameFormat % i)

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