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import asyncio
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import json
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import re
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from CommonUtil import *
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# 流式生成数据的函数
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async def generate_stream_markdown(course_name: str):
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"""
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流式生成 Markdown 数据,并在控制台输出完整的 Markdown 内容
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"""
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# 调用阿里云 API,启用流式响应
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stream = client.chat.completions.create(
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model=MODEL_NAME,
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messages=[
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{'role': 'system', 'content': '你是一个教学经验丰富的基础教育教师'},
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{'role': 'user',
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'content': '帮我设计一下' + course_name + '的课件提纲,用markdown格式返回。强调1、标签只能返回 #,##,###,-,其它标签一率不可以返回,这个非常重要!2、不要返回 ```markdown 或者 ``` 这样的内容! 3、每部分都有生成完整的一、二、三级内容,不能省略。'}
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],
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stream=True, # 启用流式响应
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timeout=6000,
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)
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# 初始化完整的 Markdown 内容
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full_markdown = ""
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# 逐字返回数据
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for chunk in stream:
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if chunk.choices[0].delta.content:
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chunk_content = chunk.choices[0].delta.content
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full_markdown += chunk_content # 拼接 Markdown 内容
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for char in chunk_content:
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yield char.encode("utf-8")
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await asyncio.sleep(0.05) # 控制逐字输出的速度
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# 在控制台输出完整的 Markdown 内容
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print("\n完整的 Markdown 内容:")
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print(full_markdown)
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# 测试函数
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async def test_generate_stream_markdown():
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async for chunk in generate_stream_markdown("三角形面积"):
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print(chunk.decode("utf-8"), end="", flush=True)
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def extract_level1_title(markdown_content):
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"""
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从 Markdown 字符串中提取一级目录的文本内容
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"""
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# 使用正则表达式匹配一级目录的标题
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match = re.search(r'^#\s+(.+)$', markdown_content, re.MULTILINE)
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if match:
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return match.group(1) # 返回一级目录的文本内容
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return None
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def extract_level2_titles(markdown_content):
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"""
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从 Markdown 字符串中提取所有二级目录的文本内容,返回一个数组
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"""
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# 使用正则表达式匹配所有二级目录的标题
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matches = re.findall(r'^##\s+(.+)$', markdown_content, re.MULTILINE)
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# 去重,确保每个二级目录标题只出现一次
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unique_matches = list(dict.fromkeys(matches))
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return unique_matches # 返回去重后的二级目录标题数组
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def extract_level2_and_level3(markdown_content):
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"""
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遍历输出所有二级目录及其三级目录,并生成指定格式的 JSON 对象
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"""
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# 使用正则表达式匹配所有二级目录和三级目录及其内容
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matches = re.findall(r'^(##|###)\s+(.+)$|^-\s+(.+)$', markdown_content, re.MULTILINE)
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# 遍历匹配结果,组织层级关系
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current_level2 = None
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current_level3 = None
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level3_items = [] # 用于存储三级目录下的内容
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for level, title, item in matches:
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if level == '##': # 二级目录
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if current_level2:
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print() # 输出空行分隔不同的二级目录
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current_level2 = title
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# 生成二级目录的 JSON 对象
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level2_json = {
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"type": "transition",
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"data": {
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"title": current_level2,
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"text": current_level2
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}
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}
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print(json.dumps(level2_json, ensure_ascii=False))
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elif level == '###': # 三级目录
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if current_level3 and level3_items:
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# 生成三级目录的 JSON 对象
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level3_json = {
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"type": "content",
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"data": {
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"title": current_level3,
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"text": current_level3,
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"items": level3_items
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}
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}
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print(json.dumps(level3_json, ensure_ascii=False))
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level3_items = [] # 清空三级目录下的内容
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current_level3 = title
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elif item: # 三级目录下的内容
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# 去掉内容中的 "-" 符号
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cleaned_item = item.lstrip('- ').strip()
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# 生成三级目录下内容的 JSON 对象
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item_json = {"title": cleaned_item, "text": cleaned_item}
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level3_items.append(item_json)
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# 处理最后一个三级目录
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if current_level3 and level3_items:
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level3_json = {
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"type": "content",
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"data": {
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"title": current_level3,
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"text": current_level3,
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"items": level3_items
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}
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}
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print(json.dumps(level3_json, ensure_ascii=False))
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# 运行应用
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if __name__ == "__main__":
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# 使用 asyncio.run 运行异步函数
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# asyncio.run(test_generate_stream_markdown())
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# 读取Sample.md内容
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with open("Sample.md", "r", encoding="utf-8") as file:
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markdown_content = file.read()
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# 一级名称
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level1_title = extract_level1_title(markdown_content)
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ret = {"type": "cover", "data": {"title": level1_title, "text": ""}}
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print(json.dumps(ret, ensure_ascii=False))
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# 二级名称列表
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contents = extract_level2_titles(markdown_content)
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ret = {"type": "contents", "data": {"items": contents}}
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print(json.dumps(ret, ensure_ascii=False))
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# 二级目录和三级目录
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extract_level2_and_level3(markdown_content)
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