119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
import comfy
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import folder_paths
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import nodes
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import aiohttp
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import json
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import asyncio
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from typing import Optional
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from aiohttp import ClientSession, ClientError
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class LLM_Loader:
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"""
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Custom node for loading LLM models via a base URL and model name
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"""
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"base_url": ([
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"Qwen/通义千问",
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"DeepSeek/深度求索",
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"DouBao/豆包",
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"Spark/星火",
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"GLM/智谱清言",
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"Moonshot/月之暗面",
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"Baichuan/百川",
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"MiniMax/MiniMax",
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"StepFun/阶跃星辰"
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], {}),
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"model": ("STRING", {
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"default": "",
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"label": "模型名称",
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"allow_edit": True
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}),
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}
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}
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RETURN_TYPES = ("STRING", "STRING")
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RETURN_NAMES = ("base_url", "model")
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FUNCTION = "generate"
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CATEGORY = "DeepSeek_Toolkit"
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# 定义 base_url 和模型的映射关系
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MODEL_MAPPING = {
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"Qwen/通义千问": ["qwen-turbo", "qwen-plus", "qwen-max"],
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"DeepSeek/深度求索": ["deepseek-7b", "deepseek-33b"],
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"DouBao/豆包": ["doubao-lite", "doubao-pro"],
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"Spark/星火": ["spark-mini", "spark-max"],
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"GLM/智谱清言": ["glm-130b"],
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"Moonshot/月之暗面": ["moonshot-v1"],
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"Baichuan/百川": ["baichuan-7b", "baichuan-13b"],
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"MiniMax/MiniMax": ["minimax-turbo", "minimax-plus"],
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"StepFun/阶跃星辰": ["stepfun-base", "stepfun-large"]
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}
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async def async_generate(self, payload: dict, base_url: str):
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try:
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async with ClientSession() as session:
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async with session.post(
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f"{base_url}/chat/completions",
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headers={
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"Content-Type": "application/json"
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},
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json=payload
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) as response:
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response.raise_for_status()
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data = await response.json()
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return data['choices'][0]['message']['content']
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except ClientError as e:
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raise Exception(f"API request failed: {str(e)}")
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def generate(self, base_url: str, model: str):
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# 构建默认的提示消息
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messages = [
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{
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"role": "user",
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"content": "Hello, how are you?"
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}
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]
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# 定义 base_url 映射表
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base_url_mapping = {
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"Qwen/通义千问": "https://dashscope.aliyuncs.com/compatible-mode/v1",
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"DeepSeek/深度求索": "https://api.deepseek.com/v1",
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"DouBao/豆包": "https://ark.cn-beijing.volces.com/api/v3",
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"Spark/星火": "https://spark-api-open.xf-yun.com/v1",
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"GLM/智谱清言": "https://open.bigmodel.cn/api/paas/v4/",
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"Moonshot/月之暗面": "https://api.moonshot.cn/v1",
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"Baichuan/百川": "https://api.baichuan-ai.com/v1",
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"MiniMax/MiniMax": "https://api.minimax.chat/v1",
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"StepFun/阶跃星辰": "https://api.stepfun.com/v1"
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}
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# 获取实际的 base_url
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actual_base_url = base_url_mapping.get(base_url, base_url)
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# 使用指定的模型
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selected_model = model if model else "default-model"
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print(f"[INFO] 使用模型: {selected_model}")
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payload = {
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"model": selected_model,
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"messages": messages
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}
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try:
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# 返回 base_url 和 model
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return (actual_base_url, selected_model)
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except Exception as e:
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raise Exception(f"请求失败: {str(e)}")
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# 注册节点
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NODE_CLASS_MAPPINGS = {"LLM_Loader": LLM_Loader}
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NODE_DISPLAY_NAME_MAPPINGS = {"LLM_Loader": "LLM Loader"}
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WEB_DIRECTORY = "./web"
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__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS']
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