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#!/usr/bin/env python3
# ------------------------------------------------------------------------------
# Programmer(s): David J. Gardner @ LLNL
# ------------------------------------------------------------------------------
# SUNDIALS Copyright Start
# Copyright (c) 2002-2024, Lawrence Livermore National Security
# and Southern Methodist University.
# All rights reserved.
#
# See the top-level LICENSE and NOTICE files for details.
#
# SPDX-License-Identifier: BSD-3-Clause
# SUNDIALS Copyright End
# ------------------------------------------------------------------------------
# Find unique lines from a file containing a specific string and write them to
# a separate file.
#
# git diff --numstat | awk '{ added += $1; removed += $2 } END { print "+" added " -" removed }'
#
# Example usage:
# Find unique compiler warnings in make.log and write them to warnings.txt:
# $ ./findlines.py make.log warning warnings.txt
# ------------------------------------------------------------------------------
# ------------------------------------------------------------------------------
# main routine
# ------------------------------------------------------------------------------
def main():
import argparse
import sys, os
import shlex
from subprocess import call
parser = argparse.ArgumentParser(
description='Count the number lines changed in a certain path',
formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('key1',type=str,
help='First git identifier')
parser.add_argument('key2',type=str,
help='Second git identifier')
parser.add_argument('patterns',type=str,nargs='+',
help='File path patterns to look for in diff')
# parse command line args
args = parser.parse_args()
# git stats from git
cmd = 'git diff --numstat '+args.key1+' '+args.key2+' > tmp.txt'
print cmd
call(cmd, shell=True)
totaladded = 0
totalremoved = 0
netchange = 0
with open('tmp.txt',"r") as fr:
for line in fr:
split_line = shlex.split(line)
added = split_line[0]
removed = split_line[1]
filename = split_line[2]
if (any(x in filename for x in args.patterns)):
if ((added == '-') or (removed == '-')):
continue
else:
print added, removed, filename
totaladded += int(added)
totalremoved += int(removed)
netchange = totaladded - totalremoved
print totaladded, totalremoved, netchange
# ------------------------------------------------------------------------------
# run the main routine
# ------------------------------------------------------------------------------
if __name__ == '__main__':
import sys
sys.exit(main())
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