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Zenith Wang
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·
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Parent(s):
d2001c1
支持CoT推理展示,优化界面布局,简化说明文档
Browse files
README.md
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---
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title: Step-3
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emoji: 🤖
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colorFrom: purple
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license: mit
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---
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# Step-3
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##
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##
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- 进入 Space 的 Settings 页面
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- 在 "Repository secrets" 部分添加:
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- Name: `STEP_API_KEY`
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- Value: 你的阶跃星辰 API 密钥
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-
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- 上传一张图片
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- 输入提示词(例如:"这是什么?请详细描述")
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- 点击"开始分析"
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- 等待 AI 返回结果
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### 获取 API 密钥
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1. 访问 [阶跃星辰官网](https://www.stepfun.com/)
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2. 注册/登录账号
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3. 在控制台创建 API 密钥
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## 示例提示词
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- "这张图片中有什么内容?请详细描述。"
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- "帮我看看这是什么菜,如何制作?"
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- "分析这张图片的构图和色彩运用。"
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- "这张图片可能是在什么地方拍摄的?"
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- "图片中的人物在做什么?他们的表情如何?"
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## 技术栈
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- **模型**: Step-3 / Step-r1-v-mini
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- **框架**: Gradio 4.19.2
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- **API**: OpenAI Python SDK (兼容
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## 注意事项
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- 请确保图片清晰度足够
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- 提示词越具体,分析结果越准确
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- API 密钥请妥善保管,不要公开分享
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## 许可证
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MIT License
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## 致谢
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- [阶跃星辰](https://www.stepfun.com/) - 提供强大的 AI 模型
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- [Gradio](https://gradio.app/) - 提供优秀的 Web UI 框架
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- [Hugging Face](https://huggingface.co/) - 提供免费的部署平台
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---
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title: Step-3
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emoji: 🤖
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colorFrom: purple
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colorTo: blue
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license: mit
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---
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# Step-3 🤖
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智能图像理解和分析工具,支持 Chain of Thought (CoT) 推理展示。
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## 主要特性
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- 🧠 **CoT 推理展示**:实时显示模型的思考过程
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- 🔄 **流式输出**:推理过程和最终答案分开展示
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- 🖼️ **图像分析**:支持多种图片格式
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- 📝 **双模型支持**:Step-3 和 Step-r1-v-mini
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## 如何配置
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在 Hugging Face Space 的 Settings → Repository secrets 中添加:
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- **Name**: `STEP_API_KEY`
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- **Value**: 你的 Step API 密钥
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## 获取 API 密钥
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访问 [阶跃星辰官网](https://www.stepfun.com/) 注册并获取 API 密钥。
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## 技术栈
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- **模型**: Step-3 / Step-r1-v-mini
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- **框架**: Gradio 4.19.2
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- **API**: OpenAI Python SDK (兼容)
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app.py
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# 配置
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BASE_URL = "https://api.stepfun.com/v1"
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# 从环境变量获取API
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STEP_API_KEY = os.environ.get("STEP_API_KEY", "")
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# 可选模型
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if image is None:
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return None
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# 如果是PIL图像,直接处理
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if isinstance(image, Image.Image):
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buffered = BytesIO()
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image.save(buffered, format="PNG")
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return None
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def call_step_api(image, prompt, model, temperature=0.7, max_tokens=2000
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"""调用Step API
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if image is None:
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if not prompt:
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if not STEP_API_KEY:
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# 转换图像为base64
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try:
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base64_image = image_to_base64(image)
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if base64_image is None:
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except Exception as e:
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# 构造消息
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messages = [
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try:
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client = OpenAI(api_key=STEP_API_KEY, base_url=BASE_URL)
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except Exception as e:
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try:
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# 记录开始时间
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start_time = time.time()
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#
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if
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except Exception as e:
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error_msg = str(e)
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if "api_key" in error_msg.lower():
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yield "❌ API密钥错误:请检查密钥是否有效"
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elif "network" in error_msg.lower() or "connection" in error_msg.lower():
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yield "❌ 网络连接错误:请检查网络连接"
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else:
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yield f"❌ API调用错误: {error_msg[:200]}"
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def process_image_and_prompt(image, prompt, model, temperature, max_tokens, stream_output):
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"""处理图像和提示词的主函数"""
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output = ""
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for chunk in call_step_api(image, prompt, model, temperature, max_tokens, stream_output):
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output = chunk
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yield output
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# 创建Gradio界面
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with gr.Blocks(title="Step-3
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gr.Markdown("""
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# 🤖 Step-3
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基于阶跃星辰 Step-3 模型的图像理解和分析工具。上传图片并输入提示词,让AI帮你分析图像内容。
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-
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- 🖼️ 支持多种图片格式上传
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- 💬 自然语言交互
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- 🔄 实时流式输出
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- 🧠 深度推理能力
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""")
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# API密钥状态提示
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if not STEP_API_KEY:
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gr.Markdown("""
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⚠️ **注意:API密钥未配置**
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请在 Hugging Face Space 的 Settings 中添加 Secret:
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- Name: `STEP_API_KEY`
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- Value: 你的阶跃星辰 API 密钥
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""")
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with gr.Row():
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with gr.Column(scale=1):
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# 输入区域
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prompt_input = gr.Textbox(
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label="提示词",
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placeholder="
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lines=3,
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value="
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)
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with gr.Accordion("高级设置", open=False):
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maximum=1,
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value=0.7,
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step=0.1,
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label="Temperature
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)
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max_tokens_slider = gr.Slider(
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step=100,
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label="最大输出长度"
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)
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stream_checkbox = gr.Checkbox(
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value=True,
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label="流式输出"
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)
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submit_btn = gr.Button("🚀 开始分析", variant="primary")
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clear_btn = gr.Button("🗑️ 清空", variant="secondary")
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with gr.Column(scale=1):
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#
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)
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#
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gr.Examples(
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examples=[
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["
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["
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["
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["
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["图片中的人物在做什么?他们的表情如何?", "step-3"],
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["这个产品的设计有什么特点?", "step-3"],
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],
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inputs=[prompt_input, model_select],
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label="
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)
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# 事件处理
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submit_btn.click(
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fn=
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inputs=[
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image_input,
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prompt_input,
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model_select,
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temperature_slider,
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max_tokens_slider
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stream_checkbox
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],
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outputs=
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show_progress=True
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)
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clear_btn.click(
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fn=lambda: (None, "", ""),
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inputs=[],
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outputs=[image_input, prompt_input,
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)
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# 页脚
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gr.Markdown("""
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---
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-
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1. 上传一张图片(支持 JPG、PNG 等格式)
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2. 输入你的问题或分析需求
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3. 点击"开始分析"按钮
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4. 等待AI返回分析结果
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-
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### 注意事项:
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-
- 请确保图片清晰度足够
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-
- 提示词越具体,分析结果越准确
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- 可以在高级设置中调整模型参数
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-
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Powered by [阶跃星辰 Step-3](https://www.stepfun.com/)
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""")
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# 启动应用
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if __name__ == "__main__":
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demo.launch()
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# 配置
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BASE_URL = "https://api.stepfun.com/v1"
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# 从环境变量获取API密钥
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STEP_API_KEY = os.environ.get("STEP_API_KEY", "")
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# 可选模型
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if image is None:
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return None
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if isinstance(image, Image.Image):
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buffered = BytesIO()
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image.save(buffered, format="PNG")
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return None
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def call_step_api(image, prompt, model, temperature=0.7, max_tokens=2000):
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"""调用Step API进行图像分析和文本生成,支持CoT推理展示"""
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if image is None:
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yield "❌ 请先上传一张图片", ""
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return
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if not prompt:
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yield "❌ 请输入提示词", ""
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return
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if not STEP_API_KEY:
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yield "❌ API密钥未配置。请在 Hugging Face Space 的 Settings 中添加 STEP_API_KEY 环境变量。", ""
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return
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# 转换图像为base64
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try:
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base64_image = image_to_base64(image)
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if base64_image is None:
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yield "❌ 图片处理失败", ""
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return
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except Exception as e:
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yield f"❌ 图片处理错误: {str(e)}", ""
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return
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# 构造消息
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messages = [
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try:
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client = OpenAI(api_key=STEP_API_KEY, base_url=BASE_URL)
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except Exception as e:
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yield f"❌ 客户端初始化失败: {str(e)}", ""
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return
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try:
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# 记录开始时间
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start_time = time.time()
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# 流式输出
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response = client.chat.completions.create(
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model=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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stream=True
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)
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full_response = ""
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reasoning_content = ""
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final_answer = ""
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is_reasoning = False
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| 99 |
+
reasoning_started = False
|
| 100 |
+
|
| 101 |
+
for chunk in response:
|
| 102 |
+
if chunk.choices and chunk.choices[0].delta:
|
| 103 |
+
delta = chunk.choices[0].delta
|
| 104 |
+
|
| 105 |
+
if hasattr(delta, 'content') and delta.content:
|
| 106 |
+
content = delta.content
|
| 107 |
+
full_response += content
|
| 108 |
|
| 109 |
+
# 检测reasoning标记
|
| 110 |
+
if "<reasoning>" in content:
|
| 111 |
+
is_reasoning = True
|
| 112 |
+
reasoning_started = True
|
| 113 |
+
# 提取<reasoning>之前的内容添加到final_answer
|
| 114 |
+
before_reasoning = content.split("<reasoning>")[0]
|
| 115 |
+
if before_reasoning:
|
| 116 |
+
final_answer += before_reasoning
|
| 117 |
+
# 提取<reasoning>之后的内容开始reasoning
|
| 118 |
+
after_tag = content.split("<reasoning>")[1] if len(content.split("<reasoning>")) > 1 else ""
|
| 119 |
+
reasoning_content += after_tag
|
| 120 |
+
elif "</reasoning>" in content:
|
| 121 |
+
# 提取</reasoning>之前的内容添加到reasoning
|
| 122 |
+
before_tag = content.split("</reasoning>")[0]
|
| 123 |
+
reasoning_content += before_tag
|
| 124 |
+
is_reasoning = False
|
| 125 |
+
# 提取</reasoning>之后的内容添加到final_answer
|
| 126 |
+
after_reasoning = content.split("</reasoning>")[1] if len(content.split("</reasoning>")) > 1 else ""
|
| 127 |
+
final_answer += after_reasoning
|
| 128 |
+
elif is_reasoning:
|
| 129 |
+
reasoning_content += content
|
| 130 |
+
else:
|
| 131 |
+
final_answer += content
|
| 132 |
+
|
| 133 |
+
# 实时输出
|
| 134 |
+
if reasoning_started:
|
| 135 |
+
yield reasoning_content, final_answer
|
| 136 |
+
else:
|
| 137 |
+
yield "", final_answer
|
| 138 |
+
|
| 139 |
+
# 添加生成时间
|
| 140 |
+
elapsed_time = time.time() - start_time
|
| 141 |
+
time_info = f"\n\n⏱️ 生成用时: {elapsed_time:.2f}秒"
|
| 142 |
+
final_answer += time_info
|
| 143 |
+
|
| 144 |
+
yield reasoning_content, final_answer
|
| 145 |
|
| 146 |
except Exception as e:
|
| 147 |
error_msg = str(e)
|
| 148 |
if "api_key" in error_msg.lower():
|
| 149 |
+
yield "", "❌ API密钥错误:请检查密钥是否有效"
|
| 150 |
elif "network" in error_msg.lower() or "connection" in error_msg.lower():
|
| 151 |
+
yield "", "❌ 网络连接错误:请检查网络连接"
|
| 152 |
else:
|
| 153 |
+
yield "", f"❌ API调用错误: {error_msg[:200]}"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 154 |
|
| 155 |
# 创建Gradio界面
|
| 156 |
+
with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
|
| 157 |
gr.Markdown("""
|
| 158 |
+
# 🤖 Step-3
|
|
|
|
|
|
|
| 159 |
|
| 160 |
+
上传图片并输入提示词,让 Step-3 分析图像内容。
|
|
|
|
|
|
|
|
|
|
|
|
|
| 161 |
""")
|
| 162 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 163 |
with gr.Row():
|
| 164 |
with gr.Column(scale=1):
|
| 165 |
# 输入区域
|
|
|
|
| 171 |
|
| 172 |
prompt_input = gr.Textbox(
|
| 173 |
label="提示词",
|
| 174 |
+
placeholder="例如:这是什么?请详细描述",
|
| 175 |
lines=3,
|
| 176 |
+
value="请详细描述这张图片的内容。"
|
| 177 |
)
|
| 178 |
|
| 179 |
with gr.Accordion("高级设置", open=False):
|
|
|
|
| 188 |
maximum=1,
|
| 189 |
value=0.7,
|
| 190 |
step=0.1,
|
| 191 |
+
label="Temperature"
|
| 192 |
)
|
| 193 |
|
| 194 |
max_tokens_slider = gr.Slider(
|
|
|
|
| 198 |
step=100,
|
| 199 |
label="最大输出长度"
|
| 200 |
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 201 |
|
| 202 |
submit_btn = gr.Button("🚀 开始分析", variant="primary")
|
| 203 |
clear_btn = gr.Button("🗑️ 清空", variant="secondary")
|
| 204 |
|
| 205 |
with gr.Column(scale=1):
|
| 206 |
+
# 推理过程展示
|
| 207 |
+
with gr.Accordion("💭 推理过程 (CoT)", open=True):
|
| 208 |
+
reasoning_output = gr.Textbox(
|
| 209 |
+
label="思考过程",
|
| 210 |
+
lines=10,
|
| 211 |
+
max_lines=15,
|
| 212 |
+
show_copy_button=True,
|
| 213 |
+
interactive=False
|
| 214 |
+
)
|
| 215 |
+
|
| 216 |
+
# 最终答案展示
|
| 217 |
+
answer_output = gr.Textbox(
|
| 218 |
+
label="📝 分析结果",
|
| 219 |
+
lines=15,
|
| 220 |
+
max_lines=25,
|
| 221 |
+
show_copy_button=True,
|
| 222 |
+
interactive=False
|
| 223 |
)
|
| 224 |
|
| 225 |
+
# 示例
|
| 226 |
gr.Examples(
|
| 227 |
examples=[
|
| 228 |
+
["这张图片中有什么?", "step-3"],
|
| 229 |
+
["详细描述图片内容", "step-3"],
|
| 230 |
+
["这是什么物体?有什么特征?", "step-3"],
|
| 231 |
+
["分析图片的主要元素", "step-3"],
|
|
|
|
|
|
|
| 232 |
],
|
| 233 |
inputs=[prompt_input, model_select],
|
| 234 |
+
label="示例提示词"
|
| 235 |
)
|
| 236 |
|
| 237 |
+
# 事件处理 - 流式输出到两个文本框
|
| 238 |
submit_btn.click(
|
| 239 |
+
fn=call_step_api,
|
| 240 |
inputs=[
|
| 241 |
image_input,
|
| 242 |
prompt_input,
|
| 243 |
model_select,
|
| 244 |
temperature_slider,
|
| 245 |
+
max_tokens_slider
|
|
|
|
| 246 |
],
|
| 247 |
+
outputs=[reasoning_output, answer_output],
|
| 248 |
show_progress=True
|
| 249 |
)
|
| 250 |
|
| 251 |
clear_btn.click(
|
| 252 |
+
fn=lambda: (None, "", "", ""),
|
| 253 |
inputs=[],
|
| 254 |
+
outputs=[image_input, prompt_input, reasoning_output, answer_output]
|
| 255 |
)
|
| 256 |
|
| 257 |
# 页脚
|
| 258 |
gr.Markdown("""
|
| 259 |
---
|
| 260 |
+
Powered by [Step-3](https://www.stepfun.com/)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 261 |
""")
|
| 262 |
|
| 263 |
+
# 启动应用
|
| 264 |
if __name__ == "__main__":
|
| 265 |
demo.launch()
|