增加了问题生成脚本
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from dotenv import load_dotenv
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load_dotenv()
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from app.observability import init_observability
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from app.settings import init_settings
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import nest_asyncio
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nest_asyncio.apply()
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from llama_index.core.node_parser import SentenceSplitter
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from llama_index.core import SimpleDirectoryReader
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from llama_index.core.evaluation import DatasetGenerator
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import json
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init_settings()
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init_observability()
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documents = SimpleDirectoryReader("backend\data-test").load_data()
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splitter = SentenceSplitter(chunk_size=512)
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# question_generator = DatasetGenerator.from_documents(documents)
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quest_prompt = (
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"你是一个电力造价工程相关的项目经理,现在给你一些上下文信息,"
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"你需要根据现有的上下文信息,来生成{num_questions_per_chunk}个电力造价工程相关的问题和对应的回答,"
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"问题的实例应该是这种类型的:'人工费的费率是多少?,费率是100','前期工作管理费用的金额是多少?,金额是0',"
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"这种类似的问题和答案,生成的问题和答案必须一一对应,要符合文件里的内容,不要生成一些无关的问题,不要生成一些重复的问题,"
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"不要生成一些过于简单的问题,不要生成一些过于复杂的问题。"
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)
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question_generator = DatasetGenerator.from_documents(
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documents=documents,
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question_gen_query=quest_prompt,
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num_questions_per_chunk=5 #生成的问题数
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)
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eval_questions = question_generator.generate_questions_from_nodes(5)
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# print(eval_questions)
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# 处理生成的问题和答案,转换为JSON格式
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qa_pairs = []
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for qa in eval_questions:
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# 处理可能没有 ',' 的情况
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if '?' in qa:
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question, answer = qa.split("?", 1)
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qa_pairs.append({
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"question": question.strip(),
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"answer": answer.strip()
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})
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else:
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print(f"无法处理的问题和答案: {qa}")
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# 保存为JSON文件
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with open("backend/unit_test/questions_and_answers.json", "w", encoding="utf-8") as f:
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json.dump(qa_pairs, f, ensure_ascii=False, indent=4)
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