config.py

import json
import os
from typing import Any, Dict, KeysView, cast


class Settings:
    def __init__(self, data: Dict) -> None:
        self._data = data

    def __str__(self) -> str:
        return str(self._data)

    def __repr__(self) -> str:
        return str(self._data)

    def __getitem__(self, key: str) -> Any:
        value = self._data.get(key, {})
        if isinstance(value, dict):
            return Settings(value)
        return value

    def __getattr__(self, key: str) -> Any:
        value = self._data.get(key, {})
        if isinstance(value, dict):
            return Settings(value)
        return value

    def __bool__(self) -> bool:
        return bool(self._data)

    def __len__(self) -> int:
        return len(self._data)

    def __iter__(self) -> Any:
        return self._data.__iter__()

    def __contains__(self, item: Any) -> Any:
        return self._data.__contains__(item)

    def __eq__(self, other: Any) -> bool:
        if isinstance(other, Settings):
            return cast(bool, self._data == other._data)
        elif isinstance(other, dict):
            return cast(bool, self._data == other)
        else:
            return False

    def keys(self) -> KeysView:
        return cast(KeysView, self._data.keys())

    def get(self, key: str, default: Any = None) -> Any:
        return self._data.get(key, default)