An excel-style table to tex-style table script

CSV2TeX.py

#!/usr/bin/python

import re
import sys

def parseCSV(text,delim=','):
    tokenizer = re.compile(delim+r'|\r?\n|[^'+delim+r'"\r\n][^'+delim+ \
            r'\r\n]*|"(?:[^"]|"")*"')
    tmp = tokenizer.findall(text)
    data = []
    i = 0
    j = 0
    while i < len(tmp):
        if tmp[i] == '\t':
            del tmp[i]
        elif tmp[i] == '\n':
            data.append(tmp[j:i])
            j = i + 1
        i += 1
    return data

def csv2TeX(text):
    text = text.replace(r'\\', r'\\textbackslash')
    text = text.replace(r'\#', r'\\#')
    text = text.replace(r'\$', r'\\$')
    text = text.replace(r'\%', r'\\%')
    text = text.replace(r'\&', r'\\&')
    text = text.replace(r'\_', r'\\_')
    text = text.replace(r'\{', r'\\{')
    text = text.replace(r'\}', r'\\}')
    text = text.replace(r'\~', r'\\~{}')
    text = text.replace(r'\^', r'\\^{}')
    text = text.replace(r'\|', r'\\textbar')

    csv = parseCSV(text, delim='\t')
    
    maxcols = 0
    outstr = ""
    hline = " \\hline"

    for row in csv:
        if len(row) > maxcols:
            maxcols = len(row)

        for i, cell in enumerate(row):
            outstr += cell
            if i < (len(row)-1):
                outstr += ' & '
        outstr += "\\\\" + hline + "\n" 

    outstr = "\\begin{tabular}{|"+"c|"*maxcols+"}" + hline + "\n" + outstr + \
            "\\end{tabular}" + "\n"

    outstr = "\\caption{__CAPTION__}\n" + outstr
    outstr = outstr+"\\label{__LABEL__}\n"
    outstr = "\\begin{center}\n" + outstr + "\\end{center}\n"
    outstr = "\\begin{table}[H]\n" + outstr + "\\end{table}\n"
    
    return outstr

if __name__ == "__main__":
    if len(sys.argv) > 1:
        with open(sys.argv[1], 'r') as fp:
            text = fp.read()
            print csv2TeX(text)