初始化项目:langgraph 学习笔记与 lg_common 通用组件包

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gqt
2026-08-16 00:25:21 +08:00
commit b3f3b72f07
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"""环境变量加载。"""
from pathlib import Path
from dotenv import load_dotenv
# lg_common 位于项目根目录下,所以根目录是它的上一级
_PROJECT_ROOT = Path(__file__).resolve().parent.parent
_DEFAULT_ENV_FILE = _PROJECT_ROOT / ".env"
def load_env() -> None:
"""加载项目根目录下的 .env,覆盖已有同名环境变量。"""
load_dotenv(dotenv_path=_DEFAULT_ENV_FILE, override=True)