gds_to_svg.py

#!/usr/bin/env python3
import subprocess
import sys
import os

from gds_to_lef_gds_mag import _magic_tcl_header, run_magic


def convert_to_svg(input_gds, input_techfile):
    input_gds = os.path.abspath(input_gds)
    input_techfile = os.path.abspath(input_techfile)

    destdir, gdsfile = os.path.split(input_gds)

    basename, ext = os.path.splitext(gdsfile)

    tcl_path = os.path.join(destdir, "{}.gds2svg.tcl".format(basename))
    with open(tcl_path, 'w') as ofile:
        _magic_tcl_header(ofile, input_gds)

        ofile.write("load " + basename + "\n")
        ofile.write("box 0 0 0 0\n")
        ofile.write("select top cell\n")
        ofile.write("expand\n")
        ofile.write("view\n")
        ofile.write("select clear\n")
        ofile.write("box position -1000 -1000\n")
        ofile.write("plot svg " + basename + ".svg\n")
        ofile.write("quit -noprompt\n")

    output = run_magic(destdir, tcl_path, input_techfile, " XR")
    output_svg = os.path.join(destdir, "{}.svg".format(basename))
    assert os.path.exists(output_svg), output_svg + " doesn't exist!?"
    print("Created", output_svg)

convert_to_svg(*sys.argv[1:])