#!/usr/bin/env python3

import sys
from gdsMill import gdsMill

if len(sys.argv) < 4:
    print("Script to prefix every instance and structure with the root cell name to provide unique namespace, but skip cells that begin with the library prefix.")
    print("Usage: {0} <library prefix> in.gds out.gds".format(sys.argv[0]))
    sys.exit(1)

gds_file = sys.argv[2]
gds = gdsMill.VlsiLayout()
reader = gdsMill.Gds2reader(gds)
reader.loadFromFile(gds_file)

gds.uniquify(prefix_name=sys.argv[1])

writer = gdsMill.Gds2writer(gds)
writer.writeToFile(sys.argv[3])