'commit'

dsLightRag/Routes/QWenImageRoute.py

@@ -0,0 +1,147 @@
+import atexit
+import logging
+import os
+import shutil
+import tempfile  # 新增导入
+import uuid
+from typing import Optional
+
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel, Field
+
+from Config.Config import OBS_PREFIX, OBS_BUCKET, OBS_SERVER
+# 导入QwenImageGenerator类
+from QWenImage.QwenImageKit import QwenImageGenerator
+from Util.ObsUtil import ObsUploader
+
+# 创建路由路由器
+router = APIRouter(prefix="/api/qwenImage", tags=["千问生图"])
+
+# 配置日志
+logger = logging.getLogger(__name__)
+
+# 初始化图片生成器
+image_generator = QwenImageGenerator()
+
+
+class GenerateImageRequest(BaseModel):
+    """生成图片请求模型"""
+    prompt: str = Field(..., description="图片描述提示词")
+    n: int = Field(default=1, ge=1, le=4, description="生成图片数量，范围1-4")
+    size: str = Field(default="1328*1328", description="图片尺寸")
+    api_key: Optional[str] = Field(default=None, description="自定义API密钥")
+
+
+@router.post("/generate")
+async def generate_image(request: GenerateImageRequest):
+    """生成图片API接口
+    
+    Args:
+        request: 包含生成图片参数的请求对象
+        
+    Returns:
+        dict: 包含生成结果的字典
+    """
+    try:
+        logger.info(f"接收到图片生成请求: prompt={request.prompt[:50]}..., n={request.n}, size={request.size}")
+        
+        # 如果提供了自定义API密钥，创建新的生成器实例
+        generator = QwenImageGenerator(api_key=request.api_key) if request.api_key else image_generator
+
+        # 仅生成图片，不保存本地
+        result = generator.generate_image(
+            prompt=request.prompt,
+            n=request.n,
+            size=request.size
+        )
+        
+        # 处理结果
+        if result['success']:
+            logger.info(f"图片生成成功，返回{len(result['images'])}张图片")
+            
+            # 构造返回响应
+            response = {
+                "code": 200,
+                "message": "图片生成成功",
+                "data": {
+                    "images": result['images']
+                }
+            }
+            # 新增：无条件执行OBS上传（直接处理图片URL）
+            obs_urls = []
+            uploader = ObsUploader()
+            for image_url in result['images']:
+                try:
+                    # 直接从URL下载图片二进制数据
+                    import requests
+                    response_img = requests.get(image_url, timeout=10)
+                    response_img.raise_for_status()
+                    bytes_data = response_img.content
+
+                    # 生成UUID文件名并上传
+                    jpg_file_name = f"{str(uuid.uuid4())}.jpg"
+                    object_key = f"{OBS_PREFIX}/QWen3Image/{jpg_file_name}"
+                    success, upload_result = uploader.upload_base64_image(object_key, bytes_data)
+
+                    if success:
+                        obs_url = f"https://{OBS_BUCKET}.{OBS_SERVER}/{object_key}"
+                        obs_urls.append(obs_url)
+                        logger.info(f"图片上传OBS成功: {obs_url}")
+                    else:
+                        logger.error(f"图片上传OBS失败: {upload_result}")
+                except Exception as e:
+                    logger.error(f"处理图片URL {image_url} 时出错: {str(e)}")
+
+            response["data"]["obs_files"] = obs_urls
+            return response
+        else:
+            logger.error(f"图片生成失败: {result['error_msg']}")
+            raise HTTPException(
+                status_code=500,
+                detail={
+                    "code": 500,
+                    "message": "图片生成失败",
+                    "error_detail": result['error_msg']
+                }
+            )
+            
+    except Exception as e:
+        logger.exception(f"处理图片生成请求时发生异常: {str(e)}")
+        raise HTTPException(
+            status_code=500,
+            detail={
+                "code": 500,
+                "message": "处理请求时发生异常",
+                "error_detail": str(e)
+            }
+        )
+
+
+@router.get("/config")
+async def get_image_config():
+    """获取图片生成配置信息
+    
+    Returns:
+        dict: 包含配置信息的字典
+    """
+    return {
+        "code": 200,
+        "message": "获取配置成功",
+        "data": {
+            "supported_sizes": ["1328*1328", "1024*1024", "768*1024", "1024*768"],
+            "max_images_per_request": 4
+        }
+    }
+
+
+# 注册程序退出时的清理函数
+@atexit.register
+def clean_temp_files():
+    temp_root = os.path.join(tempfile.gettempdir(), "qwen_images")
+    if os.path.exists(temp_root):
+        try:
+            shutil.rmtree(temp_root)
+            logger.info(f"临时图片目录已清理: {temp_root}")
+        except Exception as e:
+            logger.warning(f"清理临时文件失败: {str(e)}")
+