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Update app.py
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app.py
CHANGED
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@@ -10,35 +10,98 @@ import traceback
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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#
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# 获取 token
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HF_TOKEN = os.getenv("HF_TOKEN")
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if not HF_TOKEN:
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#
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# MODEL_ID = "Qwen/Qwen2.5-7B-Instruct" # 备选2
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#
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# 测试
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try:
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messages=[{"role": "user", "content": "你好"}],
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max_tokens=
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)
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except Exception as e:
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#
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@app.post("/generate")
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async def generate(request: Request):
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try:
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@@ -46,6 +109,7 @@ async def generate(request: Request):
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prompt = data.get("text", "")
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messages = data.get("messages", [])
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if messages:
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response = client.chat.completions.create(
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model=MODEL_ID,
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@@ -53,22 +117,25 @@ async def generate(request: Request):
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result = response.choices[0].message.content
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else:
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model=MODEL_ID,
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)
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result = response
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return {"success": True, "result": result}
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except Exception as e:
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logger.error(f"API 调用失败: {str(e)}")
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return {"success": False, "error": str(e)}
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# --- Gradio 聊天界面 ---
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def chat_func(message, history):
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"""Gradio 聊天函数"""
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try:
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#
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messages = []
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for human, assistant in history:
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messages.append({"role": "user", "content": human})
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@@ -86,20 +153,20 @@ def chat_func(message, history):
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return response.choices[0].message.content
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except Exception as e:
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logger.error(f"聊天失败: {str(e)}")
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logger.error(traceback.format_exc())
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return f"调用失败: {str(e)}"
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# 创建 Gradio 界面
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demo = gr.ChatInterface(
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fn=chat_func,
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title="
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description=
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)
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# 挂载 Gradio
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app = gr.mount_gradio_app(app, demo, path="/")
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# 健康检查
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@app.get("/health")
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async def health():
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return {"status": "ok", "model": MODEL_ID}
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# ===== 测试代码开始 =====
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print("="*50)
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print("🔍 开始测试模型调用")
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print("="*50)
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HF_TOKEN = os.getenv("HF_TOKEN")
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if not HF_TOKEN:
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print("❌ 错误: HF_TOKEN 环境变量未设置!")
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else:
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print(f"✅ HF_TOKEN 已设置 (长度: {len(HF_TOKEN)})")
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if HF_TOKEN.startswith("hf_"):
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print("✅ HF_TOKEN 格式正确")
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else:
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print("⚠️ 警告: HF_TOKEN 格式可能不正确,应以 hf_ 开头")
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# 测试你的模型
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model_id = "jiang1002/chatglm-6b-adgen"
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print(f"\n📊 正在测试模型 '{model_id}'...")
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# 方法1:测试 Hugging Face 免费推理(不指定 provider)
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try:
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print("\n🔄 测试1: 使用 Hugging Face 免费推理...")
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client1 = InferenceClient(token=HF_TOKEN)
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response1 = client1.text_generation(
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"你好",
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model=model_id,
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max_new_tokens=20
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)
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print(f"✅ 免费推理成功! 响应: {response1[:50]}...")
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except Exception as e:
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print(f"❌ 免费推理失败: {str(e)}")
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# 方法2:测试 auto provider(自动选择)
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try:
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print("\n🔄 测试2: 使用 auto provider...")
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client2 = InferenceClient(provider="auto", token=HF_TOKEN)
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response2 = client2.chat.completions.create(
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model=model_id,
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messages=[{"role": "user", "content": "你好"}],
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max_tokens=20
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)
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print(f"✅ auto provider 成功! 响应: {response2.choices[0].message.content[:50]}...")
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except Exception as e:
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print(f"❌ auto provider 失败: {str(e)}")
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# 方法3:测试 Groq(如果配置了)
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try:
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print("\n🔄 测试3: 使用 Groq...")
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client3 = InferenceClient(provider="groq", token=HF_TOKEN)
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response3 = client3.chat.completions.create(
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model=model_id,
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messages=[{"role": "user", "content": "你好"}],
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max_tokens=20
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)
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print(f"✅ Groq 成功! 响应: {response3.choices[0].message.content[:50]}...")
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except Exception as e:
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print(f"❌ Groq 失败: {str(e)}")
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# 方法4:测试 Together AI(如果配置了)
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try:
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print("\n🔄 测试4: 使用 Together AI...")
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client4 = InferenceClient(provider="together-ai", token=HF_TOKEN)
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response4 = client4.chat.completions.create(
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model=model_id,
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messages=[{"role": "user", "content": "你好"}],
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max_tokens=20
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)
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print(f"✅ Together AI 成功! 响应: {response4.choices[0].message.content[:50]}...")
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except Exception as e:
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print(f"❌ Together AI 失败: {str(e)}")
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print("\n" + "="*50)
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print("🔍 测试结束,继续启动应用...")
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print("="*50)
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# ===== 测试代码结束 =====
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# 初始化 FastAPI
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app = FastAPI()
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# 从环境变量获取 Hugging Face Token
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HF_TOKEN = os.getenv("HF_TOKEN")
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if not HF_TOKEN:
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logger.warning("⚠️ 未设置 HF_TOKEN 环境变量,API 调用可能失败")
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# 初始化 InferenceClient
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# 这里用 provider="auto" 让系统自动选择可用提供商
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client = InferenceClient(provider="auto", token=HF_TOKEN)
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# 你的模型名称
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MODEL_ID = "jiang1002/chatglm-6b-adgen" # 或者换成其他公开模型
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# --- 1. API 接口 ---
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@app.post("/generate")
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async def generate(request: Request):
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try:
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prompt = data.get("text", "")
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messages = data.get("messages", [])
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# 如果提供了完整的 messages 格式,就用它
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if messages:
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response = client.chat.completions.create(
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model=MODEL_ID,
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)
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result = response.choices[0].message.content
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else:
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# 否则用简单的 prompt 格式
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response = client.text_generation(
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prompt,
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model=MODEL_ID,
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max_new_tokens=512,
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temperature=0.7
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)
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result = response
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return {"success": True, "result": result}
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except Exception as e:
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logger.error(f"API 调用失败: {str(e)}")
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return {"success": False, "error": str(e)}
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# --- 2. Gradio 聊天界面 ---
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def chat_func(message, history):
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"""Gradio 聊天函数"""
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try:
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# 将历史记录转换为 messages 格式
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messages = []
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for human, assistant in history:
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messages.append({"role": "user", "content": human})
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return response.choices[0].message.content
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except Exception as e:
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logger.error(f"聊天失败: {str(e)}")
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logger.error(f"详细错误: {traceback.format_exc()}") # 添加这行
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return f"调用失败: {str(e)}\n\n{traceback.format_exc()}"
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# 创建 Gradio 界面
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demo = gr.ChatInterface(
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fn=chat_func,
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title="ChatGLM 广告生成助手 (使用 Inference Providers)",
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description="后台使用 Hugging Face Inference Providers,无需本地 GPU"
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)
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# 挂载 Gradio
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app = gr.mount_gradio_app(app, demo, path="/")
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# 添加健康检查端点
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@app.get("/health")
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async def health():
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return {"status": "ok", "model": MODEL_ID}
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