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File size: 1,562 Bytes
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import argparse
import re
def main():
args = parse_command_line()
data = read(args.input)
data = convert(data)
write(args.output, data)
def parse_command_line():
parser = argparse.ArgumentParser(
description='Replace \\def with \\newcommand where possible.',
)
parser.add_argument(
'input',
help='TeX input file with \\def',
)
parser.add_argument(
'--output',
'-o',
required=True,
help='TeX output file with \\newcommand',
)
return parser.parse_args()
def read(path):
with open(path, mode='rb') as handle:
return handle.read()
def convert(data):
return re.sub(
rb'((?:\\(?:expandafter|global|long|outer|protected)'
rb'(?: +|\r?\n *)?)*)?'
rb'\\def *(\\[a-zA-Z]+) *(?:#+([0-9]))*\{',
replace,
data,
)
def replace(match):
prefix = match.group(1)
if (
prefix is not None and
(
b'expandafter' in prefix or
b'global' in prefix or
b'outer' in prefix or
b'protected' in prefix
)
):
pass #return match.group(0)
result = rb'\newcommand'
result += b'{' + match.group(2) + b'}'
if match.lastindex == 3:
result += b'[' + match.group(3) + b']'
result += b'{'
return result
def write(path, data):
with open(path, mode='wb') as handle:
handle.write(data)
print('=> File written: {0}'.format(path))
if __name__ == '__main__':
main() |