openlane/scripts/magic_drc_to_tcl.py

# Copyright 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse
import os

parser = argparse.ArgumentParser(
    description="Converts a magic.drc file to a magic readable tcl file."
)

parser.add_argument("--input_file", "-i", required=True, help="input magic.drc")

parser.add_argument("--output_file", "-o", required=True, help="output magic.drc.tcl")

args = parser.parse_args()
input_file = args.input_file
output_file = args.output_file


printArr = []

splitLine = "----------------------------------------"

# Converting Magic DRC
if os.path.exists(input_file):
    drcFileOpener = open(input_file)
    if drcFileOpener.mode == "r":
        drcContent = drcFileOpener.read()
    drcFileOpener.close()

    # design name
    # violation message
    # list of violations
    # Total Count:
    if drcContent is not None:
        drcSections = drcContent.split(splitLine)
        if len(drcSections) > 2:
            for i in range(1, len(drcSections) - 1, 2):
                vio_name = drcSections[i].strip()
                for vio in drcSections[i + 1].split("\n"):
                    vio = vio.strip()
                    if len(vio):
                        vio_line = (
                            "box " + vio + '; feedback add "' + vio_name + '" medium'
                        )
                        printArr.append(vio_line)
else:
    printArr.append("Source not found.")

# write into file
outputFileOpener = open(output_file, "w")
outputFileOpener.write("\n".join(printArr))
outputFileOpener.close()