98 lines
3.5 KiB
Python
98 lines
3.5 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 aiohttp import ClientSession, ClientError
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from typing import Optional, List, Dict
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class OpenAICompatibleLoader:
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"""
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Custom node for OpenAI compatible API integration
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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": ("STRING", {"default": "https://api.openai.com"}),
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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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"api_key": ("STRING", {"default": ""}),
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"system_prompt": ("STRING", {"default": "我是一个可以使用LLM构建实用功能的Toolkit", "multiline": True}),
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"prompt": ("STRING", {"multiline": True}),
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"temperature": ("FLOAT", {"default": 0.7, "min": 0.0, "max": 2.0}),
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"max_tokens": ("INT", {"default": 512, "min": 1, "max": 4096}),
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}
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}
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RETURN_TYPES = ("STRING",)
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RETURN_NAMES = ("text",)
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FUNCTION = "generate"
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CATEGORY = "DeepSeek_Toolkit"
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async def async_generate(self, payload: dict, actual_base_url: str, api_key: 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"{actual_base_url}/chat/completions",
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headers={
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"Content-Type": "application/json",
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"Authorization": f"Bearer {api_key}"
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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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print(f"[DEBUG] API Response: {data}") # 调试日志
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response_content = data['choices'][0]['message']['content']
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print(f"[DEBUG] Extracted Response Content: {response_content}") # 调试日志
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return [response_content] # 返回值改为列表形式
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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, api_key: str, prompt: str,
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model: str, temperature: float,
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max_tokens: int, system_prompt: Optional[str] = None):
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messages = []
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if system_prompt:
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messages.append({
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"role": "system",
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"content": system_prompt
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})
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messages.append({
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"role": "user",
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"content": prompt
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})
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# 模型选择逻辑
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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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# 提取实际的 base_url 部分
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actual_base_url = base_url.split(" - ")[-1]
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payload = {
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"model": selected_model,
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"messages": messages,
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"temperature": temperature,
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"max_tokens": max_tokens
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}
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try:
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return asyncio.run(self.async_generate(payload, actual_base_url, api_key))
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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 = {"OpenAICompatibleLoader": OpenAICompatibleLoader}
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NODE_DISPLAY_NAME_MAPPINGS = {"OpenAICompatibleLoader": "OpenAI Compatible Loader"}
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WEB_DIRECTORY = "./web"
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__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS'] |