webshop/app/read_settings.py

import logging
import sys
from pathlib import Path
from typing import NoReturn

import tomli

from app.git import is_git_repo
from app.schema import Settings

logger = logging.getLogger(__name__)


def read_settings(filepath: str, check_valid_repo: bool = True) -> Settings | NoReturn:
    """Read settings.toml from the root of the project folder"""
    try:
        with open(filepath, mode="rb") as f:
            config = tomli.load(f)

            if check_valid_repo:
                git_repo = str(Path(config["git_repo"]).expanduser())
                if not is_git_repo(str(git_repo)):
                    raise FileNotFoundError("git-repo has not been found")

                config["git_repo"] = git_repo

            settings = Settings(**config)
            return settings

    except FileNotFoundError:
        logger.error(
            f"error => {filepath} has not been found\n",
            "        please check the README for instructions",
        )
        sys.exit(1)