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#!/usr/bin/env python3
from pathlib import Path
import argparse
import re
if __name__== '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('input')
parser.add_argument('output')
args = parser.parse_args()
input_lines = Path(args.input).read_text(encoding='utf-8').splitlines()
with Path(args.output).open('w', encoding='utf-8') as out:
write = True
for l in input_lines:
if l.startswith('CUT_OUT_BEGIN'):
write = False
if write and l:
stripped = re.sub(r'^\s+', '', l)
stripped = re.sub(r'\s*,\s*', ',', stripped)
if not stripped.isspace() and stripped:
out.write('%s\n' % stripped)
if l.startswith('CUT_OUT_END'):
write = True
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