sh_discord_bot/kdb-bot/src/bot/main.py

import asyncio
import traceback
from typing import Optional

from cpl_core.application import ApplicationBuilder
from cpl_core.console import Console

from bot.application import Application
from bot.extension.init_bot_extension import InitBotExtension
from bot.startup import Startup
from bot.startup_discord_extension import StartupDiscordExtension
from bot.startup_migration_extension import StartupMigrationExtension
from bot.startup_module_extension import StartupModuleExtension
from bot.startup_settings_extension import StartupSettingsExtension
from bot_api.app_api_extension import AppApiExtension
from bot_core.core_extension.core_extension import CoreExtension
from modules.boot_log.boot_log_extension import BootLogExtension
from modules.config.config_extension import ConfigExtension
from modules.database.database_extension import DatabaseExtension


class Program:
    def __init__(self):
        self.app: Optional[Application] = None

    async def start(self):
        # discord extension has to be loaded before modules (modules depends on discord stuff)
        app_builder = (
            ApplicationBuilder(Application)
            .use_extension(StartupSettingsExtension)
            .use_extension(StartupDiscordExtension)
            .use_extension(StartupModuleExtension)
            .use_extension(StartupMigrationExtension)
            .use_extension(DatabaseExtension)
            .use_extension(ConfigExtension)
            .use_extension(InitBotExtension)
            .use_extension(BootLogExtension)
            .use_extension(AppApiExtension)
            .use_extension(CoreExtension)
            .use_startup(Startup)
        )
        self.app: Application = await app_builder.build_async()
        await self.app.run_async()
        Console.write_line(f"[ INFO ] [ {__name__} ]: Finished app.run_async")

    async def stop(self):
        if self.app is None:
            return
        await self.app.stop_async()


def main():
    program = Program()
    try:
        asyncio.run(program.start())
    except KeyboardInterrupt:
        asyncio.run(program.stop())
    except Exception as e:
        Console.error(
            f"[ ERROR ] [ {__name__} ]: Cannot start the bot",
            f"{e} -> {traceback.format_exc()}",
        )
    finally:
        try:
            asyncio.run(program.stop())
        except Exception as e:
            Console.error(
                f"[ ERROR ] [ {__name__} ]: Cannot stop the bot",
                f"{e} -> {traceback.format_exc()}",
            )

        if program.app is not None and program.app.is_restart():
            del program
            main()


if __name__ == "__main__":
    main()

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