Check gogs app.ini that keys not DEPRECATED/renamed

compare_app_ini.py

#!/usr/bin/env python3

import configparser
from urllib.request import urlopen


def compare():
    print("Check configs...")

    # Upstream App ini
    response = urlopen('https://raw.githubusercontent.com/gogs/gogs/main/conf/app.ini')
    upstream_app_ini = response.read().decode('utf-8')
    upstream_app_ini = "[dummy_section]\n" + upstream_app_ini  # Workaround for configparser

    # App ini
    with open("app.ini") as f:
        app_ini = '[dummy_section]\n' + f.read()

    local_config = read_config(app_ini)
    upstream_config = read_config(upstream_app_ini)

    sect_diff = set(sections(local_config)) - set(sections(upstream_config))
    if len(sect_diff) > 0:
        print()
        print("WARNING: Next sections exist in your app.ini but DEPRECATED/renamed/unused in upstream :")
        print(sect_diff)

    keys_diff = set(keys(local_config)) - set(keys(upstream_config))
    if len(keys_diff) > 0:
        print()
        print("WARNING: Next keys {section,parameter} exist in your app.ini but DEPRECATED/renamed/unused in upstream:")
        print(keys_diff)

    if len(keys_diff) == 0 and len(keys_diff) == 0:
        print("Config ... ok")


def sections(config):
    return config.sections()


def keys(config):
    tuples = []

    for sec in config.sections():
        for par in config[sec]:
            tuples.append((sec, par))

    return tuples


def read_config(ini_str):
    config = configparser.RawConfigParser()
    config.optionxform = str
    config.read_string(ini_str)
    return config


if __name__ == '__main__':
    compare()