diff.py

import logging
import re
import sys

from argparse import ArgumentParser
from jinja2 import Template


def main():
    p = ArgumentParser()
    p.add_argument("template")
    p.add_argument("names", nargs="+")
    args = p.parse_args()

    with open(args.template, "r") as f:
        template = Template(f.read())

    pages = []
    for n in args.names:
        with open(f"build/diff/{n}.html", "r") as f:
            contents = f.readlines()
            if len(contents) > 5:
                pages.append({"name": n, "contents": "".join(contents)})
    
    first = None
    if pages:
        first = pages.pop(0)

    # sys.stdout.write("Content-Type: text/html\n\n")
    sys.stdout.write(template.render(first=first, pages=pages))


if __name__ == '__main__':
    main()