headers.py

import argparse
import sys

def parse_args():
    parser = argparse.ArgumentParser(description="This program is used to convert "
                                                    "headers into a table of contents")
    parser.add_argument("-f", "--filename", type=str,  default="input.txt", help="Input filename")
    return parser

parser = parse_args()
args = parser.parse_args()
list = []
try:
    out = open("output.txt", "w")
    out.write("<style>\n"
            "\ttd {\n"
                "\t\tpadding-right: 10px;\n"
            "\t}\n"
        "</style>\n\n\n\n")
    out.write("<table class=\"fixed\" width=\"100%\">\n"
        "<tbody>\n"
        "<col width=\"4%\">\n")
    with open(args.filename) as f:
        i = 0
        for line in f:
            list.append(line.strip().split(' ', 1))
            # list[i][1] = ''.join(j for j in list[i][1] if j.isalnum())
            out.write("<tr>\n"
                "<td style=\"text-align:right\">{}</td>\n"
                "<td><a href=\"#{}\">{}</a></td>\n"
                "</tr>\n".format(list[i][0], ''.join(j for j in list[i][1] if j.isalnum()), list[i][1]))
            print list[i]
            i = i + 1
    out.write("</tbody>\n"
        "</table>\n\n")
    for item in list:
        # print item
        out.write("<h2 id=\"{}\">{} {}</h2>\n".format(''.join(j for j in item[1] if j.isalnum()), item[0], item[1]))
except:
    print parser.print_help()
    raise