PlantFactory→Blender Cycles

import bpy
for obj in bpy.context.selected_objects:
    for mat in obj.data.materials:
        thisTree = mat.node_tree;
        thisTreeNodes = mat.node_tree.nodes
        for node in thisTreeNodes:
            if node.type == 'TEX_IMAGE':
                if 'alpha' in node.image.name:  # ex. 'alpha map.016'
                    alphaTex = node
                    colorout = alphaTex.outputs['Color']
                    alphaout = alphaTex.outputs['Alpha']
                    if alphaout.is_linked:
                        MixNode = alphaout.links[0].to_node
                        MixColor1in = MixNode.inputs['Color1']
                        MixColor2in = MixNode.inputs['Color2']
                        thisTree.links.new( colorout , MixColor1in )
                        thisTree.links.new( alphaout , MixColor2in )