env_loader.py

"""Load .env from project root (local dev and fallback for workers)."""

import os
from pathlib import Path

_LOADED = False


def load_env() -> None:
    global _LOADED
    if _LOADED:
        return
    env_path = Path(__file__).resolve().parent / ".env"
    if env_path.is_file():
        try:
            from dotenv import load_dotenv

            load_dotenv(env_path, override=False)
        except ImportError:
            for line in env_path.read_text(encoding="utf-8").splitlines():
                line = line.strip()
                if not line or line.startswith("#") or "=" not in line:
                    continue
                key, _, value = line.partition("=")
                key = key.strip()
                value = value.strip().strip('"').strip("'")
                os.environ.setdefault(key, value)
    _LOADED = True