postprocess-tex.py

#!/usr/bin/env python3

import sys

in_file = sys.argv[1]
out_file = sys.argv[2]

def add_table_hline(text):
    return text.replace(
       "\\end{minipage}\\tabularnewline\n\\begin{minipage}",
       "\\end{minipage}\\tabularnewline\\hline\n\\begin{minipage}"
       )

def add_table_vline(text):
    t1 = text.replace("@{}lll@{}", "@{}l|l|l@{}")
    t2 = t1.replace("@{}ll@{}", "@{}l|l@{}")
    return t2

with open(in_file) as inf:
    text = inf.read()
    with open(out_file,"w") as outf:
        transforms = [ add_table_hline, add_table_vline ]
        new_text = text
        for transform in transforms:
            new_text = transform(new_text)
        outf.write(new_text)