101 lines
2.9 KiB
Python
101 lines
2.9 KiB
Python
import logging
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import json
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import time
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import datetime
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import requests
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import uuid
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import os
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from typing import Optional, Dict, Any
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from fastapi import APIRouter, HTTPException, Query, BackgroundTasks
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from pydantic import BaseModel
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from Midjourney.Txt2Img import Txt2Img
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from Config import Config
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import asyncio
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from fastapi.responses import StreamingResponse
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# 创建路由路由器
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router = APIRouter(prefix="/api/mj", tags=["文生图"])
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# 配置日志
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logger = logging.getLogger(__name__)
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# 任务状态存储
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TASK_STATUS: Dict[str, Dict[str, Any]] = {}
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class ImagineRequest(BaseModel):
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prompt: str
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base64_array: Optional[list] = None
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notify_hook: Optional[str] = None
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class TaskStatusResponse(BaseModel):
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task_id: str
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status: str
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image_url: Optional[str] = None
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progress: Optional[int] = None
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error: Optional[str] = None
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@router.post("/imagine", response_model=Dict[str, str])
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async def submit_imagine(request: ImagineRequest, background_tasks: BackgroundTasks):
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"""
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提交文生图请求
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Args:
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request: 包含提示词、垫图和回调地址的请求体
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background_tasks: 用于异步处理任务状态查询的后台任务
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Returns:
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包含任务ID的字典
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"""
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try:
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# 生成唯一任务ID
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task_id = str(uuid.uuid4())
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logger.info(f"收到文生图请求，任务ID: {task_id}, 提示词: {request.prompt}")
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# 初始化任务状态
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TASK_STATUS[task_id] = {
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"status": "pending",
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"image_url": None,
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"progress": 0,
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"error": None
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}
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# 提交到Midjourney
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midjourney_task_id = Txt2Img.submit_imagine(
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prompt=request.prompt,
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base64_array=request.base64_array,
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notify_hook=request.notify_hook
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)
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# 存储Midjourney任务ID
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TASK_STATUS[task_id]["midjourney_task_id"] = midjourney_task_id
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return {"task_id": task_id}
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except Exception as e:
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logger.error(f"提交文生图请求失败: {str(e)}")
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raise HTTPException(status_code=500, detail=f"提交文生图请求失败: {str(e)}")
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@router.get("/task_status", response_model=TaskStatusResponse)
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async def get_task_status(task_id: str = Query(..., description="任务ID")):
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"""
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查询文生图任务状态
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Args:
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task_id: 任务ID
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Returns:
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任务状态信息
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"""
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if task_id not in TASK_STATUS:
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raise HTTPException(status_code=404, detail="任务ID不存在")
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return TaskStatusResponse(
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task_id=task_id,
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status=TASK_STATUS[task_id]["status"],
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image_url=TASK_STATUS[task_id]["image_url"],
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progress=TASK_STATUS[task_id]["progress"],
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error=TASK_STATUS[task_id]["error"]
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)
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