618 lines
24 KiB
Python
618 lines
24 KiB
Python
# Copyright (C) 2025 AIDC-AI
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# Licensed under the MIT License.
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import json
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import os
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import asyncio
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import time
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from typing import Optional, Dict, Any, TypedDict, List, Union
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from ..utils.globals import set_language
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from ..utils.auth_utils import extract_and_store_api_key
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import server
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from aiohttp import web
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import aiohttp
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import base64
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import requests
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# Import the MCP client function
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import sys
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import os
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from ..service.debug_agent import debug_workflow_errors
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from ..service.database import save_workflow_data, get_workflow_data_by_id, update_workflow_ui_by_id
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from ..service.mcp_client import comfyui_agent_invoke, ImageData
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from ..utils.request_context import set_request_context, get_session_id
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from ..utils.logger import log
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# 不再使用内存存储会话消息，改为从前端传递历史消息
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# 在文件开头添加
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STATIC_DIR = os.path.join(os.path.dirname(os.path.dirname(__file__)), "public")
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# Define types using TypedDict
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class Node(TypedDict):
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name: str # 节点名称
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description: str # 节点描述
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image: str # 节点图片url，可为空
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github_url: str # 节点github地址
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from_index: int # 节点在列表中的位置
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to_index: int # 节点在列表中的位置
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class NodeInfo(TypedDict):
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existing_nodes: List[Node] # 已安装的节点
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missing_nodes: List[Node] # 未安装的节点
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class Workflow(TypedDict, total=False):
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id: Optional[int] # 工作流id
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name: Optional[str] # 工作流名称
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description: Optional[str] # 工作流描述
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image: Optional[str] # 工作流图片
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workflow: Optional[str] # 工作流
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class ExtItem(TypedDict):
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type: str # 扩展类型
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data: Union[dict, list] # 扩展数据
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class ChatResponse(TypedDict):
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session_id: str # 会话id
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text: Optional[str] # 返回文本
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finished: bool # 是否结束
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type: str # 返回的类型
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format: str # 返回的格式
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ext: Optional[List[ExtItem]] # 扩展信息
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async def upload_to_oss(file_data: bytes, filename: str) -> str:
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# TODO: Implement your OSS upload logic here
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# For now, save locally and return a placeholder URL
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try:
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# Create uploads directory if it doesn't exist
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uploads_dir = os.path.join(os.path.dirname(__file__), '..', '..', 'uploads')
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os.makedirs(uploads_dir, exist_ok=True)
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# Generate unique filename to avoid conflicts
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import uuid
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unique_filename = f"{uuid.uuid4().hex}_{filename}"
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file_path = os.path.join(uploads_dir, unique_filename)
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# Save file locally
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with open(file_path, 'wb') as f:
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f.write(file_data)
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# Return a local URL or base64 data URL for now
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# In production, replace this with actual OSS URL
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base64_data = base64.b64encode(file_data).decode('utf-8')
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# Determine MIME type based on file extension
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if filename.lower().endswith(('.png', '.jpg', '.jpeg', '.gif', '.webp')):
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mime_type = f"image/{filename.split('.')[-1].lower()}"
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if mime_type == "image/jpg":
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mime_type = "image/jpeg"
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else:
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mime_type = "image/jpeg" # Default
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return f"data:{mime_type};base64,{base64_data}"
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except Exception as e:
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log.error(f"Error uploading file {filename}: {str(e)}")
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# Return original base64 data if upload fails
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base64_data = base64.b64encode(file_data).decode('utf-8')
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return f"data:image/jpeg;base64,{base64_data}"
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@server.PromptServer.instance.routes.post("/api/chat/invoke")
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async def invoke_chat(request):
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log.info("Received invoke_chat request")
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# Extract and store API key from Authorization header
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extract_and_store_api_key(request)
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req_json = await request.json()
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log.info("Request JSON:", req_json)
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response = web.StreamResponse(
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status=200,
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reason='OK',
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headers={
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'Content-Type': 'application/json',
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'X-Content-Type-Options': 'nosniff'
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}
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)
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await response.prepare(request)
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session_id = req_json.get('session_id')
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prompt = req_json.get('prompt')
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images = req_json.get('images', [])
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intent = req_json.get('intent')
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ext = req_json.get('ext')
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historical_messages = req_json.get('messages', [])
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workflow_checkpoint_id = req_json.get('workflow_checkpoint_id')
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# 获取当前语言
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language = request.headers.get('Accept-Language', 'en')
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set_language(language)
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# 构建配置信息
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config = {
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"session_id": session_id,
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"workflow_checkpoint_id": workflow_checkpoint_id,
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"openai_api_key": request.headers.get('Openai-Api-Key'),
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"openai_base_url": request.headers.get('Openai-Base-Url'),
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"model_select": next((x['data'][0] for x in ext if x['type'] == 'model_select' and x.get('data')), None)
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}
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# 设置请求上下文 - 这里建立context隔离
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set_request_context(session_id, workflow_checkpoint_id, config)
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# 图片处理已移至前端，图片信息现在包含在历史消息的OpenAI格式中
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# 保留空的处理逻辑以向后兼容，但实际不再使用
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processed_images = []
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if images and len(images) > 0:
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log.info(f"Note: Received {len(images)} images in legacy format, but using OpenAI message format instead")
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# 历史消息已经从前端传递过来，格式为OpenAI格式，直接使用
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log.info(f"-- Received {len(historical_messages)} historical messages")
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# Log workflow checkpoint ID if provided (workflow is now pre-saved before invoke)
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if workflow_checkpoint_id:
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log.info(f"Using workflow checkpoint ID: {workflow_checkpoint_id} for session {session_id}")
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else:
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log.info(f"No workflow checkpoint ID provided for session {session_id}")
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# 历史消息已经从前端传递过来，包含了正确格式的OpenAI消息（包括图片）
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# 直接使用前端传递的历史消息，无需重新构建当前消息
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openai_messages = historical_messages
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# 不再需要创建用户消息存储到后端，前端负责消息存储
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try:
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# Call the MCP client to get streaming response with historical messages and image support
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# Pass OpenAI-formatted messages and processed images to comfyui_agent_invoke
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accumulated_text = ""
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ext_data = None
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finished = True # Default to True
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has_sent_response = False
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previous_text_length = 0
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log.info(f"config: {config}")
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# Pass messages in OpenAI format (images are now included in messages)
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# Config is now available through request context
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async for result in comfyui_agent_invoke(openai_messages, None):
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# The MCP client now returns tuples (text, ext_with_finished) where ext_with_finished includes finished status
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if isinstance(result, tuple) and len(result) == 2:
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text, ext_with_finished = result
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if text:
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accumulated_text = text # text from MCP is already accumulated
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if ext_with_finished:
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# Extract ext data and finished status from the structured response
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ext_data = ext_with_finished.get("data")
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finished = ext_with_finished.get("finished", True)
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log.info(f"-- Received ext data: {ext_data}, finished: {finished}")
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else:
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# Handle single text chunk (backward compatibility)
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text_chunk = result
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if text_chunk:
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accumulated_text += text_chunk
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log.info(f"-- Received text chunk: '{text_chunk}', total length: {len(accumulated_text)}")
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# Send streaming response if we have new text content
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# Only send intermediate responses during streaming (not the final one)
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if accumulated_text and len(accumulated_text) > previous_text_length:
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chat_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=False, # Always false during streaming
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type="message",
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format="markdown",
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ext=None # ext is only sent in final response
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)
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await response.write(json.dumps(chat_response).encode() + b"\n")
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previous_text_length = len(accumulated_text)
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await asyncio.sleep(0.01) # Small delay for streaming effect
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# Send final response with proper finished logic from MCP client
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log.info(f"-- Sending final response: {len(accumulated_text)} chars, ext: {bool(ext_data)}, finished: {finished}")
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final_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=finished, # Use finished status from MCP client
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type="message",
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format="markdown",
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ext=ext_data
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)
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await response.write(json.dumps(final_response).encode() + b"\n")
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# AI响应不再存储到后端，前端负责消息存储
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except Exception as e:
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log.error(f"Error in invoke_chat: {str(e)}")
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error_response = ChatResponse(
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session_id=session_id,
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text=f"I apologize, but an error occurred: {str(e)}",
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finished=True, # Always finish on error
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type="message",
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format="text",
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ext=None
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)
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await response.write(json.dumps(error_response).encode() + b"\n")
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await response.write_eof()
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return response
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@server.PromptServer.instance.routes.post("/api/save-workflow-checkpoint")
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async def save_workflow_checkpoint(request):
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"""
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Save workflow checkpoint for restore functionality
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"""
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log.info("Received save-workflow-checkpoint request")
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req_json = await request.json()
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try:
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session_id = req_json.get('session_id')
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workflow_api = req_json.get('workflow_api') # API format workflow
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workflow_ui = req_json.get('workflow_ui') # UI format workflow
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checkpoint_type = req_json.get('checkpoint_type', 'debug_start') # debug_start, debug_complete, user_message_checkpoint
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message_id = req_json.get('message_id') # User message ID for linking (optional)
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if not session_id or not workflow_api:
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return web.json_response({
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"success": False,
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"message": "Missing required parameters: session_id and workflow_api"
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})
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# Save workflow with checkpoint type in attributes
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attributes = {
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"checkpoint_type": checkpoint_type,
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"timestamp": time.time()
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}
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# Set description and additional attributes based on checkpoint type
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if checkpoint_type == "user_message_checkpoint" and message_id:
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attributes.update({
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"description": f"Workflow checkpoint before user message {message_id}",
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"message_id": message_id,
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"source": "user_message_pre_invoke"
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})
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else:
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attributes["description"] = f"Workflow checkpoint: {checkpoint_type}"
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version_id = save_workflow_data(
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session_id=session_id,
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workflow_data=workflow_api,
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workflow_data_ui=workflow_ui,
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attributes=attributes
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)
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log.info(f"Workflow checkpoint saved with version ID: {version_id}")
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# Return response format based on checkpoint type
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response_data = {
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"version_id": version_id,
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"checkpoint_type": checkpoint_type
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}
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if checkpoint_type == "user_message_checkpoint" and message_id:
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response_data.update({
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"checkpoint_id": version_id, # Add checkpoint_id alias for user message checkpoints
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"message_id": message_id
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})
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return web.json_response({
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"success": True,
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"data": response_data,
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"message": f"Workflow checkpoint saved successfully"
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})
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except Exception as e:
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log.error(f"Error saving workflow checkpoint: {str(e)}")
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return web.json_response({
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"success": False,
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"message": f"Failed to save workflow checkpoint: {str(e)}"
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})
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@server.PromptServer.instance.routes.get("/api/restore-workflow-checkpoint")
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async def restore_workflow_checkpoint(request):
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"""
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Restore workflow checkpoint by version ID
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"""
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log.info("Received restore-workflow-checkpoint request")
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try:
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version_id = request.query.get('version_id')
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if not version_id:
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return web.json_response({
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"success": False,
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"message": "Missing required parameter: version_id"
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})
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try:
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version_id = int(version_id)
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except ValueError:
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return web.json_response({
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"success": False,
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"message": "Invalid version_id format"
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})
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# Get workflow data by version ID
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workflow_version = get_workflow_data_by_id(version_id)
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if not workflow_version:
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return web.json_response({
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"success": False,
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"message": f"Workflow version {version_id} not found"
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})
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log.info(f"Restored workflow checkpoint version ID: {version_id}")
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return web.json_response({
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"success": True,
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"data": {
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"version_id": version_id,
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"workflow_data": workflow_version.get('workflow_data'),
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"workflow_data_ui": workflow_version.get('workflow_data_ui'),
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"attributes": workflow_version.get('attributes'),
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"created_at": workflow_version.get('created_at')
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},
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"message": f"Workflow checkpoint restored successfully"
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})
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except Exception as e:
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log.error(f"Error restoring workflow checkpoint: {str(e)}")
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return web.json_response({
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"success": False,
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"message": f"Failed to restore workflow checkpoint: {str(e)}"
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})
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@server.PromptServer.instance.routes.post("/api/debug-agent")
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async def invoke_debug(request):
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"""
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Debug agent endpoint for analyzing ComfyUI workflow errors
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"""
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log.info("Received debug-agent request")
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# Extract and store API key from Authorization header
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extract_and_store_api_key(request)
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req_json = await request.json()
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response = web.StreamResponse(
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status=200,
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reason='OK',
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headers={
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'Content-Type': 'application/json',
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'X-Content-Type-Options': 'nosniff'
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}
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)
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await response.prepare(request)
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session_id = req_json.get('session_id')
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workflow_data = req_json.get('workflow_data')
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# Get configuration from headers (OpenAI settings)
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config = {
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"session_id": session_id,
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"model": "gemini-2.5-flash", # Default model for debug agents
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"openai_api_key": request.headers.get('Openai-Api-Key'),
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"openai_base_url": request.headers.get('Openai-Base-Url', 'https://api.openai.com/v1'),
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}
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# 获取当前语言
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language = request.headers.get('Accept-Language', 'en')
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set_language(language)
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# 设置请求上下文 - 为debug请求建立context隔离
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set_request_context(session_id, None, config)
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log.info(f"Debug agent config: {config}")
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log.info(f"Session ID: {session_id}")
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log.info(f"Workflow nodes: {list(workflow_data.keys()) if workflow_data else 'None'}")
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try:
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# Call the debug agent with streaming response
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accumulated_text = ""
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final_ext_data = None
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finished = False
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async for result in debug_workflow_errors(workflow_data):
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# Stream the response
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if isinstance(result, tuple) and len(result) == 2:
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text, ext = result
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if text:
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accumulated_text = text # text is already accumulated from debug agent
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# Handle new ext format from debug_agent matching mcp-client
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if ext:
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if isinstance(ext, dict) and "data" in ext and "finished" in ext:
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# New format: {"data": ext, "finished": finished}
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final_ext_data = ext["data"]
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finished = ext["finished"]
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# 检查是否包含需要实时发送的workflow_update或param_update
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has_realtime_ext = False
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if final_ext_data:
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for ext_item in final_ext_data:
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if ext_item.get("type") in ["workflow_update", "param_update"]:
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has_realtime_ext = True
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break
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# 如果包含实时ext数据或者已完成，则发送响应
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if has_realtime_ext or finished:
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chat_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=finished,
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type="message",
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format="markdown",
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ext=final_ext_data # 发送ext数据
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)
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await response.write(json.dumps(chat_response).encode() + b"\n")
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elif not finished:
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# 只有文本更新，不发送ext数据
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chat_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=False,
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type="message",
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format="markdown",
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ext=None
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)
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await response.write(json.dumps(chat_response).encode() + b"\n")
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else:
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# Legacy format: direct ext data (for backward compatibility)
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final_ext_data = ext
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finished = False
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# Create streaming response
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chat_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=False,
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type="message",
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format="markdown",
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ext=ext
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)
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await response.write(json.dumps(chat_response).encode() + b"\n")
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else:
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# No ext data, just text streaming
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chat_response = ChatResponse(
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session_id=session_id,
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text=accumulated_text,
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finished=False,
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type="message",
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format="markdown",
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ext=None
|
|
)
|
|
await response.write(json.dumps(chat_response).encode() + b"\n")
|
|
|
|
await asyncio.sleep(0.01) # Small delay for streaming effect
|
|
|
|
# Send final response
|
|
final_response = ChatResponse(
|
|
session_id=session_id,
|
|
text=accumulated_text,
|
|
finished=True,
|
|
type="message",
|
|
format="markdown",
|
|
ext=final_ext_data if final_ext_data else [{"type": "debug_complete", "data": {"status": "completed"}}]
|
|
)
|
|
|
|
# Save workflow checkpoint after debug completion if we have workflow_data
|
|
if workflow_data and accumulated_text:
|
|
try:
|
|
current_session_id = get_session_id()
|
|
checkpoint_id = save_workflow_data(
|
|
session_id=current_session_id,
|
|
workflow_data=workflow_data,
|
|
workflow_data_ui=None, # UI format not available in debug agent
|
|
attributes={
|
|
"checkpoint_type": "debug_complete",
|
|
"description": "Workflow state after debug completion",
|
|
"timestamp": time.time()
|
|
}
|
|
)
|
|
|
|
# Add checkpoint info to ext data
|
|
if final_response["ext"]:
|
|
final_response["ext"].append({
|
|
"type": "debug_checkpoint",
|
|
"data": {
|
|
"checkpoint_id": checkpoint_id,
|
|
"checkpoint_type": "debug_complete"
|
|
}
|
|
})
|
|
else:
|
|
final_response["ext"] = [{
|
|
"type": "debug_checkpoint",
|
|
"data": {
|
|
"checkpoint_id": checkpoint_id,
|
|
"checkpoint_type": "debug_complete"
|
|
}
|
|
}]
|
|
|
|
log.info(f"Debug completion checkpoint saved with ID: {checkpoint_id}")
|
|
except Exception as checkpoint_error:
|
|
log.error(f"Failed to save debug completion checkpoint: {checkpoint_error}")
|
|
|
|
await response.write(json.dumps(final_response).encode() + b"\n")
|
|
log.info("Debug agent processing complete")
|
|
|
|
except Exception as e:
|
|
log.error(f"Error in debug agent: {str(e)}")
|
|
import traceback
|
|
traceback.print_exc()
|
|
|
|
error_response = ChatResponse(
|
|
session_id=session_id,
|
|
text=f"❌ Debug agent error: {str(e)}",
|
|
finished=True,
|
|
type="message",
|
|
format="text",
|
|
ext=[{"type": "error", "data": {"error": str(e)}}]
|
|
)
|
|
await response.write(json.dumps(error_response).encode() + b"\n")
|
|
|
|
await response.write_eof()
|
|
return response
|
|
|
|
|
|
@server.PromptServer.instance.routes.post("/api/update-workflow-ui")
|
|
async def update_workflow_ui(request):
|
|
"""
|
|
Update workflow_data_ui field for a specific checkpoint without affecting other fields
|
|
"""
|
|
log.info("Received update-workflow-ui request")
|
|
req_json = await request.json()
|
|
|
|
try:
|
|
checkpoint_id = req_json.get('checkpoint_id')
|
|
workflow_data_ui = req_json.get('workflow_data_ui')
|
|
|
|
if not checkpoint_id or not workflow_data_ui:
|
|
return web.json_response({
|
|
"success": False,
|
|
"message": "Missing required parameters: checkpoint_id and workflow_data_ui"
|
|
})
|
|
|
|
try:
|
|
checkpoint_id = int(checkpoint_id)
|
|
except ValueError:
|
|
return web.json_response({
|
|
"success": False,
|
|
"message": "Invalid checkpoint_id format"
|
|
})
|
|
|
|
# Update only the workflow_data_ui field
|
|
success = update_workflow_ui_by_id(checkpoint_id, workflow_data_ui)
|
|
|
|
if success:
|
|
log.info(f"Successfully updated workflow_data_ui for checkpoint ID: {checkpoint_id}")
|
|
return web.json_response({
|
|
"success": True,
|
|
"message": f"Workflow UI data updated successfully for checkpoint {checkpoint_id}"
|
|
})
|
|
else:
|
|
return web.json_response({
|
|
"success": False,
|
|
"message": f"Checkpoint {checkpoint_id} not found"
|
|
})
|
|
|
|
except Exception as e:
|
|
log.error(f"Error updating workflow UI data: {str(e)}")
|
|
return web.json_response({
|
|
"success": False,
|
|
"message": f"Failed to update workflow UI data: {str(e)}"
|
|
})
|