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#!/usr/bin/env python3
import logging
import argparse
import sys
import os
import re
def number_events(input_file, output_file=None, offset=0):
if output_file is None:
output_file = input_file
if not os.path.exists(os.path.dirname(os.path.realpath(output_file))):
os.makedirs(os.path.dirname(os.path.realpath(output_file)))
nevent = offset
with open('tmp.txt', 'w') as fw:
with open(input_file, 'r') as ftmp:
for line in ftmp:
if re.search('\s*</event>', line):
nevent += 1
fw.write('<event_num num="' + str(nevent) + '"> ' + str(nevent) + '</event_num>\n')
fw.write(line)
if output_file is not None:
os.rename("tmp.txt", output_file)
else:
os.rename("tmp.txt", input_file)
return nevent
if __name__=="__main__":
parser = argparse.ArgumentParser(
description="Add numbers to lhe")
parser.add_argument("input_file", type=str,
help="Input LHE file path.")
parser.add_argument("-o", "--output-file", default=None, type=str,
help="Output LHE file path. If not specified, output to input file")
args = parser.parse_args()
logging.info('>>> launch addLHEnumbers.py in %s' % os.path.abspath(os.getcwd()))
logging.info('>>> Input file: [%s]' % args.input_file)
logging.info('>>> Write to output: %s ' % args.output_file)
number_events(args.input_file, args.output_file)
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