Config class from env

config.py

from pathlib import Path
import os

from dotenv import load_dotenv


class BaseConfig:
    def __init__(self, config_file: Path = Path("cxsdn-env")):
        load_dotenv(config_file)

    def __getattribute__(self, name: str):
        if name.startswith("__") and name.endswith("__"):
            return super().__getattribute__(name)
        klass = self.__annotations__.get(name)
        return klass(os.getenv(name))
    
    def __dict__(self) -> str:
        dict_ = {}
        for name, klass in self.__annotations__.items():
            dict_[name] = klass(os.getenv(name))
        return dict_

    def __repr__(self) -> dict:
        return self.__dict__()
    
    def __str__(self) -> str:
        return str(self.__dict__())


class Config(BaseConfig):
    ACTIVE_DIR: Path
    HOST: str
    PORT: int
    DEBUG: bool


def get_config() -> Config:
    return Config()