77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""
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读取d_qa生成的qa数据，入库到向量库qa表中
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"""
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import ast
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import asyncio
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import json
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from pathlib import Path
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from typing import List
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from app.client.embedding_client_manager import embedding_client
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from app.client.milvus_client_manager import milvus_client
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from app.repository.milvus.message_qa_repository import QARepository
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# 字符串转 字典
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def safe_parse_json(raw_data):
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# 本身就是字典，直接返回
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if isinstance(raw_data, dict):
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return raw_data
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if not isinstance(raw_data, str):
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return None
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s = raw_data.strip()
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if not s:
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return None
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try:
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return ast.literal_eval(s)
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except (ValueError, SyntaxError):
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try:
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return json.loads(s)
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except json.JSONDecodeError as e:
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print(f"警告: JSON解析失败: {e}，跳过")
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return None
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async def read_file(file_path:str)->List[dict[str, str]]:
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qa_file = Path(file_path)
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qa_list = []
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with open(qa_file, 'r', encoding='utf-8') as f:
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for line_num, line in enumerate(f, 1):
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line = line.strip()
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if not line:
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continue
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qa_list.append(safe_parse_json( line))
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return qa_list
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async def save_qa_milvus(file_path:str):
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try :
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embedding_client.init()
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milvus_client.init()
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qa_milvus_repository = QARepository()
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qa_milvus_repository.create_collection()
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final_qas: List[dict[str, str]] = await read_file(file_path)
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question_list: List[str] = [qa["question"] for qa in final_qas]
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embedding_batch_size = 10
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embedding_ed_all: list[list[float]] = []
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for i in range(0, len(question_list), embedding_batch_size):
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embedding_part_texts = question_list[i:i + embedding_batch_size]
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embedding_eds = await embedding_client.aembed_documents(embedding_part_texts)
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embedding_ed_all.extend(embedding_eds)
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# 构建对象列表
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qa_list = []
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for i, qa in enumerate(final_qas):
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qa_list.append({
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"question": qa["question"],
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"answer": qa.get("answer", ""),
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"question_dense_vector": embedding_ed_all[i] if i < len(embedding_ed_all) else [],
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"parent_id": qa.get("parent_id", 0)
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})
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await qa_milvus_repository.save_qa_to_milvus(qa_list)
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except Exception as e:
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print(e)
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finally:
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await embedding_client.close()
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milvus_client.close()
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if __name__ == '__main__':
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file_path=r"E:\qa_output\test.txt"
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asyncio.run(save_qa_milvus(file_path)) |