Houdini Parameter Template

import hou

REF = hou.node('/obj/reference') 


def get_modified_parm_dict(reference, path):
    parm_path = {}
    for node in (reference.children()):
        parm_path.update({ parm.path(): parm.eval() for parm in node.parms() if parm.isAtDefault() == False })
    parm_path = {key.replace(reference.path(), path): value for key, value in parm_path.items()}
    return parm_path


def add_nodes(s_node, reference, count):
    if count == len(reference):
        s_node.setGenericFlag(hou.nodeFlag.Display, True)
        return 
    s_node = s_node.createOutputNode(reference[count].type().name())
    return add_nodes(s_node, reference, count + 1)

    
def main(roots, reference):
    for root in roots:
        for t_geo in root.allSubChildren():
            if t_geo.type().name()=='geo':
                add_nodes(t_geo.children()[0],reference.children(), 1)
                parm_path = get_modified_parm_dict(reference,  t_geo.path())
                for path, value in parm_path.items():
                    hou.parm(path).set(value)

                    
nodes = hou.selectedNodes()
alembic_type_node = [node.type().name() for node in nodes if node.type().name() == 'alembicarchive']
non_alembic_type_node = [node.type().name() for node in nodes if node.type().name() != 'alembicarchive']

if len(alembic_type_node) > 0 and len(non_alembic_type_node) == 0:
    main(nodes, REF)    
else:
    hou.ui.displayMessage('Choose "alembicarchive" type node')