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Update app.py
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app.py
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@@ -4,39 +4,52 @@ import json
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import os
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import tempfile
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import textwrap
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from datetime import datetime
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# --- 默认模板和示例 ---
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# 为了方便用户快速上手,我们提供一个默认的提取模板。
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# 用户可以在界面上自由修改。
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# 1. 默认提取指令 (Prompt)
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DEFAULT_PROMPT = textwrap.dedent("""\
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# 2. 默认提取示例 (Examples)
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#
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DEFAULT_EXAMPLES_DICT = [
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{
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"text": "
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"extractions": [
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{
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"extraction_class": "
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"extraction_text": "
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"attributes": {"
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},
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{
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"extraction_class": "
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"extraction_text": "
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"attributes": {"
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},
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{
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"extraction_class": "
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"extraction_text": "
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"attributes": {"
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},
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]
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}
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]
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@@ -45,8 +58,7 @@ DEFAULT_EXAMPLES_DICT = [
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DEFAULT_EXAMPLES_JSON = json.dumps(DEFAULT_EXAMPLES_DICT, ensure_ascii=False, indent=2)
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# --- 后端处理函数 ---
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# 这个函数是整个应用的核心,它接收前端输入并调用 LangExtract。
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def extract_information(api_key, prompt, examples_json, input_text):
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"""
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@@ -86,14 +98,12 @@ def extract_information(api_key, prompt, examples_json, input_text):
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)
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# 将结果转换为可序列化的字典以便在 Gradio 中显示
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# 注意:result 是一个 AnnotatedDocument 对象
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output_for_display = {
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"source_text": result.source_text,
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"extractions": [ext.to_dict() for ext in result.extractions]
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}
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# 4. 创建可供下载的文件
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# 使用临时文件来保存结果
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with tempfile.NamedTemporaryFile(mode='w+', delete=False, suffix='.jsonl', encoding='utf-8') as tmp_file:
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lx.io.save_annotated_documents([result], file_path=tmp_file.name)
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download_path = tmp_file.name
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@@ -105,9 +115,9 @@ def extract_information(api_key, prompt, examples_json, input_text):
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raise gr.Error(f"提取过程中发生错误: {e}")
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# --- Gradio UI 界面 ---
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with gr.Blocks(theme=gr.themes.Soft(), title="LangExtract
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gr.Markdown("# LangExtract 交互式信息提取工具")
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gr.Markdown(
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"在左侧定义您的提取���则和输入文本,然后点击“开始提取”在右侧查看结果。\n"
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label="提取指令 (Prompt)",
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value=DEFAULT_PROMPT,
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lines=5,
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# info="告诉模型您想提取什么,以及遵循什么规则。" <- 已移除
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)
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gr.Markdown("告诉模型您想提取什么,以及遵循什么规则。")
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examples_input = gr.Code(
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label="提取示例 (JSON 格式)",
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value=DEFAULT_EXAMPLES_JSON,
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language="json",
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lines=
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# info="提供一两个高质量的示例,指导模型的输出格式。" <- 已移除
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)
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gr.Markdown("提供一两个高质量的示例,指导模型的输出格式。")
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gr.Markdown("## 3. 输入待提取的文本")
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text_input = gr.Textbox(
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label="源文本",
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lines=10,
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placeholder="
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)
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submit_btn = gr.Button("🚀 开始提取", variant="primary")
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@@ -160,12 +168,10 @@ with gr.Blocks(theme=gr.themes.Soft(), title="LangExtract Web UI") as demo:
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json_output = gr.JSON(
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label="结构化输出 (JSON)",
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# info="这里显示从文本中提取出的结构化数据。" <- 已移除
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)
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file_output = gr.File(
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label="⬇️ 下载结果文件",
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# info="点击此处下载包含所有元数据的 .jsonl 文件。" <- 已移除
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)
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# --- 事件绑定 ---
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import os
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import tempfile
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import textwrap
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# --- 默认模板和示例 (已更新为临床影像报告场景) ---
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# 1. 默认提取指令 (Prompt)
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DEFAULT_PROMPT = textwrap.dedent("""\
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请从影像检查报告中,按顺序提取关键的影像学发现、涉及的解剖部位、尺寸测量、影像学特征以及阴性发现。
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- 提取时必须使用报告中的确切文本。
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- 不要转述或概括。
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- 为每个提取的实体提供详细的属性,以增加结构化信息。""")
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# 2. 默认提取示例 (Examples)
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# 提供一个高质量的CT报告提取示例
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DEFAULT_EXAMPLES_DICT = [
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{
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"text": "腹部CT平扫增强检查显示:肝脏右叶可见一大小约3.2 x 2.8 cm的低密度占位灶,边缘清晰,增强扫描后呈轻度环形强化。胰腺及双肾未见明确异常。",
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"extractions": [
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{
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"extraction_class": "anatomy",
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"extraction_text": "肝脏右叶",
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"attributes": {"organ": "肝脏", "lobe": "右叶"}
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},
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{
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"extraction_class": "size_measurement",
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"extraction_text": "3.2 x 2.8 cm",
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"attributes": {"value": "3.2 x 2.8", "unit": "cm"}
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},
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{
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"extraction_class": "finding",
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"extraction_text": "低密度占位灶",
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"attributes": {"density": "低密度", "type": "占位灶"}
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},
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{
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"extraction_class": "radiologic_feature",
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"extraction_text": "边缘清晰",
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"attributes": {"feature_type": "边缘", "description": "清晰"}
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},
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{
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"extraction_class": "radiologic_feature",
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"extraction_text": "轻度环形强化",
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"attributes": {"feature_type": "增强扫描", "degree": "轻度", "pattern": "环形强化"}
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},
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{
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"extraction_class": "normal_finding",
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"extraction_text": "胰腺及双肾未见明确异常",
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"attributes": {"organs": ["胰腺", "双肾"]}
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}
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]
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}
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]
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DEFAULT_EXAMPLES_JSON = json.dumps(DEFAULT_EXAMPLES_DICT, ensure_ascii=False, indent=2)
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# --- 后端处理函数 (无需修改) ---
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def extract_information(api_key, prompt, examples_json, input_text):
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"""
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)
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# 将结果转换为可序列化的字典以便在 Gradio 中显示
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output_for_display = {
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"source_text": result.source_text,
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"extractions": [ext.to_dict() for ext in result.extractions]
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}
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# 4. 创建可供下载的文件
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with tempfile.NamedTemporaryFile(mode='w+', delete=False, suffix='.jsonl', encoding='utf-8') as tmp_file:
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lx.io.save_annotated_documents([result], file_path=tmp_file.name)
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download_path = tmp_file.name
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raise gr.Error(f"提取过程中发生错误: {e}")
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# --- Gradio UI 界面 (无需修改) ---
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with gr.Blocks(theme=gr.themes.Soft(), title="LangExtract 交互式信息提取工具") as demo:
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gr.Markdown("# LangExtract 交互式信息提取工具")
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gr.Markdown(
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"在左侧定义您的提取���则和输入文本,然后点击“开始提取”在右侧查看结果。\n"
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label="提取指令 (Prompt)",
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value=DEFAULT_PROMPT,
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lines=5,
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)
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gr.Markdown("告诉模型您想提取什么,以及遵循什么规则。")
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examples_input = gr.Code(
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label="提取示例 (JSON 格式)",
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value=DEFAULT_EXAMPLES_JSON,
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language="json",
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lines=20, # 增加了行数以更好地显示复杂的JSON
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)
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gr.Markdown("提供一两个高质量的示例,指导模型的输出格式。")
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gr.Markdown("## 3. 输入待提取的文本")
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text_input = gr.Textbox(
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label="源文本",
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lines=10,
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placeholder="在此处粘贴您要从中提取信息的临床病历或影像报告..."
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)
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submit_btn = gr.Button("🚀 开始提取", variant="primary")
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json_output = gr.JSON(
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label="结构化输出 (JSON)",
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)
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file_output = gr.File(
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label="⬇️ 下载结果文件",
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)
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# --- 事件绑定 ---
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