1.8. Grouping ungrouping cells

This example demostrates how to generate a feedthrough wire connection for a given scalar or vector wires.

Output1 ungrouped module

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

# Flatten inst_1_0
inst = next(top.get_instances("inst_1_0"))
top.flatten_instance(inst)

# Flatten inst_1_1
inst = next(top.get_instances("inst_1_1"))
top.flatten_instance(inst)
top.create_unconn_wires()

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