blob: 1b7f17499792dc876f3b53876cfb16a5532d0ba3 [file] [log] [blame]
# 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
parser = argparse.ArgumentParser(description="produces a widened site lef")
parser.add_argument("--lefFile", "-l", required=True, help="Input LEF")
parser.add_argument(
"--widenValue",
"-w",
help="widen value to be used as a factor or an absolute value based on the factor flage",
)
parser.add_argument(
"--factor",
"-f",
action="store_true",
default=False,
help="use the widen value as a factor or an absolute value",
)
parser.add_argument(
"--output", "-o", required=True, help="output file to store results"
)
args = parser.parse_args()
lef_file_name = args.lefFile
widenValue = args.widenValue
isFactor = args.factor
out_file_name = args.output
# reading lef
lefFileOpener = open(lef_file_name, "r")
if lefFileOpener.mode == "r":
lefContent = lefFileOpener.read().split("\n")
lefFileOpener.close()
startFlag = False
doneFlag = False
for i in range(len(lefContent)):
# looking for SITE
if lefContent[i].find("SITE") != -1:
startFlag = True
if startFlag:
# looking for SIZE
if lefContent[i].find("SIZE") != -1:
line = lefContent[i].split(" ")
for j in range(len(line)):
if line[j] == "SIZE":
# if a factor modify the value by the factor
for x in range(j + 1, len(line)):
if line[x] != "":
if isFactor:
orgVal = float(line[x])
widenValue = float(widenValue) * orgVal
# change the value
line[x] = str(widenValue)
doneFlag = True
break
break
lefContent[i] = " ".join(line)
if doneFlag:
break
# writing to output file
outFileOpener = open(out_file_name, "w")
outFileOpener.write("\n".join(lefContent))
outFileOpener.close()