update_manpage

#!/usr/bin/python3

import re
import shutil
import sys
import subprocess
import tempfile

res = subprocess.run([sys.executable, "setup.py", "--version"], stdout=subprocess.PIPE, text=True, check=True)
version = res.stdout.strip()

res = subprocess.run([sys.executable, "arkimaps", "--help"], stdout=subprocess.PIPE, text=True, check=True)
subcommands = re.sub(r'^.+\{(.+)\}.+$', r'\1', res.stdout, flags=re.DOTALL).split(',')

with tempfile.NamedTemporaryFile("wt") as tf:
    print("[>DESCRIPTION]", file=tf)

    for subcommand in subcommands:
        res = subprocess.run(
                ["help2man", "--name=arkimaps", "--section=1",
                 "--no-info", "--version-string=dummy", f"./arkimaps {subcommand}"],
                stdout=subprocess.PIPE, text=True, check=True)
        subcommand_doc = re.sub(r'^.+.SH DESCRIPTION', '', res.stdout, flags=re.DOTALL)
        print(".SH ", subcommand.upper(), " SUBCOMMAND", file=tf)
        tf.write(subcommand_doc)

    with open("arkimaps.1.in", "rt") as fd:
        shutil.copyfileobj(fd, tf)

    tf.flush()

    subprocess.run(
            ["help2man", f"--include={tf.name}", "--name=arkimaps",
             "--section=1", "--no-info", f"--version-string={version}",
             "--output=arkimaps.1", "./arkimaps"],
            check=True)