LNXSDK/leenkx/blender/lnx/logicnode/postprocess/LN_set_ca_settings.py

from lnx.logicnode.lnx_nodes import *

class ChromaticAberrationSetNode(LnxLogicTreeNode):
    """Set the chromatic aberration post-processing settings.
    Type: Simple 0 Spectral 1.
    """
    bl_idname = 'LNChromaticAberrationSetNode'
    bl_label = 'Set CA Settings'
    lnx_version = 2

    def lnx_init(self, context):
        self.add_input('LnxNodeSocketAction', 'In')
        self.add_input('LnxFloatSocket', 'Strength', default_value=2.0)
        self.add_input('LnxIntSocket', 'Samples', default_value=32)
        self.add_input('LnxIntSocket', 'Type', default_value=0)

        self.add_output('LnxNodeSocketAction', 'Out')

    def draw_buttons(self, context, layout):
        layout.label(text="Type 0: Simple")
        layout.label(text="Type 1: Spectral")

    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
        if self.lnx_version not in (0, 1):
            raise LookupError()

        return NodeReplacement.Identity(self)