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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import os
from langchain.chat_models import init_chat_model
def get_llm(
model: str = "openai:qwen3.6-flash",
base_url: str | None = None,
api_key: str | None = None,
**kwargs,
):
"""初始化 ChatModel,默认从环境变量读取 BASE_URL / API_KEY。"""
if base_url is None:
base_url = os.getenv("BASE_URL")
if api_key is None:
api_key = os.getenv("API_KEY")
return init_chat_model(model=model, base_url=base_url, api_key=api_key, **kwargs)