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#!/usr/bin/env python3
""" Fix sphinx latex output for longtable
"""
import codecs
import re
import sys
lt_LL = re.compile(
r"longtable}{(L+)}")
def replacer(match):
args = '|' + 'l|' * len(match.groups()[0])
return f"longtable}}{{{args}}}"
if len(sys.argv) != 2:
raise RuntimeError("Enter path to tex file only")
file_path = sys.argv[1]
with codecs.open(file_path, 'r', encoding='utf8') as fobj:
unfixed_tex = fobj.readlines()
with codecs.open(file_path, 'w', encoding='utf8') as fobj:
for line in unfixed_tex:
line = lt_LL.sub(replacer, line, 1)
fobj.write(line)
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