245 lines
9.8 KiB
Python
245 lines
9.8 KiB
Python
import json
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import logging
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import os
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import json
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import subprocess
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import tempfile
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from datetime import datetime
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from fastapi.responses import FileResponse
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from fastapi import APIRouter, Request, HTTPException, Depends
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from fastapi.responses import StreamingResponse
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from TeacherHelper.Kit.TeacherHelper import (
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generate_lesson_plan,
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generate_courseware,
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generate_homework
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)
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# 创建路由器
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router = APIRouter(prefix="/api", tags=["教师辅助工具"])
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# 配置日志
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logger = logging.getLogger(__name__)
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@router.api_route("/teacher/daoXueAn", methods=["GET", "POST"]) # 修改这里
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async def generate_dao_xue_an(request: Request):
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"""生成导学案接口"""
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try:
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# 获取请求参数（兼容GET和POST）
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if request.method == "GET":
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params = dict(request.query_params)
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else:
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body = await request.body()
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params = json.loads(body) if body else {}
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# 获取提示词参数
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system_prompt = params.get("system_prompt")
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user_prompt = params.get("user_prompt")
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# 生成导学案
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content_generator = await generate_lesson_plan(system_prompt, user_prompt)
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# 定义SSE响应生成器
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async def generate_sse_response():
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try:
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buffer = [] # 用于收集完整内容
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yield "data: 开始生成导学案...\n\n"
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async for chunk in content_generator:
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buffer.append(chunk) # 仅收集内容，不实时发送
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# 保存为Markdown并转换为Word
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if buffer:
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# 创建保存目录 - 修改保存路径到static下
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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save_dir = os.path.join(project_root, "static", "teacherHelpergenerated_files")
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os.makedirs(save_dir, exist_ok=True)
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# 生成唯一文件名
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timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
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# 创建临时Markdown文件
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with tempfile.NamedTemporaryFile(mode='w', encoding='utf-8', suffix='.md', delete=False) as temp_md:
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temp_md.write(''.join(buffer))
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temp_md_path = temp_md.name
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# 使用Pandoc转换为Word
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docx_filename = f"导学案_{timestamp}.docx"
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docx_path = os.path.join(save_dir, docx_filename)
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try:
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yield "data: 正在转换为Word文档...\n\n"
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# 恢复Pandoc转换执行代码
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result = subprocess.run(
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["pandoc", temp_md_path, "-o", docx_path],
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capture_output=True,
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text=True,
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check=True
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)
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# 清理临时文件
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os.unlink(temp_md_path)
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# 添加转换完成状态提示
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yield "data: Word文档转换完成，准备下载...\n\n"
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# 修改下载链接为静态文件路径
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yield f"data: [下载链接] /static/teacherHelpergenerated_files/{docx_filename}\n\n"
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except subprocess.CalledProcessError as e:
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yield f"data: [转换失败] Pandoc错误: {e.stderr}\n\n"
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except Exception as e:
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yield f"data: [转换失败] {str(e)}\n\n"
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yield "data: [DONE]\n\n"
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except Exception as e:
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logger.error(f"生成导学案时发生异常: {str(e)}")
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yield f"data: 生成导学案时发生异常: {str(e)}\n\n"
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# 返回SSE响应
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return StreamingResponse(
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generate_sse_response(),
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media_type="text/event-stream",
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headers={"Cache-Control": "no-cache", "Connection": "keep-alive"}
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)
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except json.JSONDecodeError:
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raise HTTPException(status_code=400, detail="无效的JSON格式")
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except Exception as e:
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logger.error(f"导学案接口异常: {str(e)}")
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raise HTTPException(status_code=500, detail=f"服务器内部错误: {str(e)}")
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@router.post("/teacher/jiaoAn")
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async def generate_jiao_an(request: Request):
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"""生成教案接口"""
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try:
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# 解析请求体
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body = await request.body()
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data = json.loads(body) if body else {}
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# 获取提示词参数，如果没有提供则使用默认值
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system_prompt = data.get("system_prompt")
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user_prompt = data.get("user_prompt")
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# 生成教案
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content_generator = await generate_lesson_plan(system_prompt, user_prompt)
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# 定义SSE响应生成器
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async def generate_sse_response():
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try:
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yield "data: 开始生成教案...\n\n"
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async for chunk in content_generator:
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yield f"data: {chunk}\n\n"
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yield "data: [DONE]\n\n"
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except Exception as e:
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logger.error(f"生成教案时发生异常: {str(e)}")
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yield f"data: 生成教案时发生异常: {str(e)}\n\n"
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# 返回SSE响应
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return StreamingResponse(
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generate_sse_response(),
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media_type="text/event-stream",
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headers={"Cache-Control": "no-cache", "Connection": "keep-alive"}
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)
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except json.JSONDecodeError:
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raise HTTPException(status_code=400, detail="无效的JSON格式")
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except Exception as e:
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logger.error(f"教案接口异常: {str(e)}")
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raise HTTPException(status_code=500, detail=f"服务器内部错误: {str(e)}")
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@router.post("/teacher/keJian")
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async def generate_ke_jian(request: Request):
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"""生成课件接口"""
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try:
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# 解析请求体
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body = await request.body()
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data = json.loads(body) if body else {}
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# 获取提示词参数，如果没有提供则使用默认值
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system_prompt = data.get("system_prompt")
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user_prompt = data.get("user_prompt")
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# 生成课件
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content_generator = await generate_courseware(system_prompt, user_prompt)
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# 定义SSE响应生成器
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async def generate_sse_response():
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try:
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yield "data: 开始生成课件...\n\n"
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async for chunk in content_generator:
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yield f"data: {chunk}\n\n"
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yield "data: [DONE]\n\n"
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except Exception as e:
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logger.error(f"生成课件时发生异常: {str(e)}")
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yield f"data: 生成课件时发生异常: {str(e)}\n\n"
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# 返回SSE响应
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return StreamingResponse(
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generate_sse_response(),
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media_type="text/event-stream",
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headers={"Cache-Control": "no-cache", "Connection": "keep-alive"}
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)
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except json.JSONDecodeError:
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raise HTTPException(status_code=400, detail="无效的JSON格式")
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except Exception as e:
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logger.error(f"课件接口异常: {str(e)}")
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raise HTTPException(status_code=500, detail=f"服务器内部错误: {str(e)}")
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@router.post("/teacher/zuoYe")
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async def generate_zuo_ye(request: Request):
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"""生成作业接口"""
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try:
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# 解析请求体
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body = await request.body()
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data = json.loads(body) if body else {}
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# 获取提示词参数，如果没有提供则使用默认值
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system_prompt = data.get("system_prompt")
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user_prompt = data.get("user_prompt")
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material_path = data.get("material_path")
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# 生成作业
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content_generator = await generate_homework(system_prompt, user_prompt, material_path)
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# 定义SSE响应生成器
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async def generate_sse_response():
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try:
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yield "data: 开始生成作业...\n\n"
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async for chunk in content_generator:
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yield f"data: {chunk}\n\n"
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yield "data: [DONE]\n\n"
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except Exception as e:
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logger.error(f"生成作业时发生异常: {str(e)}")
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yield f"data: 生成作业时发生异常: {str(e)}\n\n"
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# 返回SSE响应
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return StreamingResponse(
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generate_sse_response(),
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media_type="text/event-stream",
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headers={"Cache-Control": "no-cache", "Connection": "keep-alive"}
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)
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except json.JSONDecodeError:
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raise HTTPException(status_code=400, detail="无效的JSON格式")
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except Exception as e:
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logger.error(f"作业接口异常: {str(e)}")
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raise HTTPException(status_code=500, detail=f"服务器内部错误: {str(e)}")
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@router.get("/teacher/download/{filename}")
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async def download_word_file(filename: str):
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"""下载生成的Word文件"""
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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save_dir = os.path.join(project_root, "static", "teacherHelpergenerated_files")
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file_path = os.path.join(save_dir, filename)
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if not os.path.exists(file_path):
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raise HTTPException(status_code=404, detail="文件不存在")
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return FileResponse(
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path=file_path,
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filename=filename,
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media_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document"
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) |