1.9. Merging two instances in the design

This example demonstrate how to merge two instance in the design to create a new merged definition

Output1 Merged design Instance

import logging

import spydrnet as sdn
import spydrnet_physical as sdnphy
from spydrnet_physical.composers.svg.composer import SVGComposer

logger = logging.getLogger("spydrnet_logs")
sdn.enable_file_logging(LOG_LEVEL="INFO")

netlist = sdnphy.load_netlist_by_name("nested_hierarchy")
top = netlist.top_instance.reference
inst1 = next(top.get_instances("inst_1_0"))
inst2 = next(top.get_instances("inst_1_1"))

top.merge_instance(
    [inst1, inst2],
    new_definition_name="merged_module",
    new_instance_name="merged_module_instance_0",
)

top.create_unconn_wires()

composer = SVGComposer()
composer.run(netlist, file_out="_merged_design.svg")