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Upload data3/merge_datasets.py with huggingface_hub
Browse files- data3/merge_datasets.py +100 -0
data3/merge_datasets.py
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#!/usr/bin/env python3
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"""
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合并 res2.csv 和 dataset_all.csv 数据集
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res2.csv 结构: 编号, JSON列表(函数信息)
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dataset_all.csv 结构: 编号(row[0]), 文件内容(row[1]), 其他内容...
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目标: 找到 res2.csv 中存在的所有编号,从 dataset_all.csv 中提取对应的记录,整合成新数据集
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"""
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import pandas as pd
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import json
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from tqdm import tqdm
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import os
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def main():
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print("开始处理数据集合并...")
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# 1. 读取 res2.csv,获取所有存在的编号
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print("\n步骤 1: 读取 res2.csv 获取编号列表...")
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res2_path = '/home/weifengsun/tangou1/step2/res2.csv'
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# 读取编号列(第一列)
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res2_ids = set()
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chunk_size = 100000
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for chunk in tqdm(pd.read_csv(res2_path, chunksize=chunk_size, header=None, usecols=[0]),
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desc="读取res2.csv"):
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res2_ids.update(chunk[0].tolist())
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print(f"从 res2.csv 中找到 {len(res2_ids)} 个唯一编号")
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# 2. 读取 dataset_all.csv 并筛选匹配的记录
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print("\n步骤 2: 从 dataset_all.csv 中筛选匹配的记录...")
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dataset_all_path = '/home/weifengsun/tangou1/domain_code/src/datasets/data_merged/dataset_all.csv'
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output_path = '/home/weifengsun/tangou1/step2/merged_dataset.csv'
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# 统计信息
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total_rows = 0
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matched_rows = 0
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# 分块读取和处理
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first_chunk = True
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for chunk in tqdm(pd.read_csv(dataset_all_path, chunksize=chunk_size, low_memory=False),
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desc="处理dataset_all.csv"):
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total_rows += len(chunk)
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# 筛选编号在 res2_ids 中的行
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# 假设第一列是编号
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matched_chunk = chunk[chunk.iloc[:, 0].isin(res2_ids)]
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matched_rows += len(matched_chunk)
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# 写入输出文件
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if len(matched_chunk) > 0:
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if first_chunk:
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matched_chunk.to_csv(output_path, index=True, mode='w')
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first_chunk = False
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else:
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matched_chunk.to_csv(output_path, index=True, mode='a', header=False)
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print(f"\n处理完成!")
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print(f"总共处理行数: {total_rows}")
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print(f"匹配的行数: {matched_rows}")
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print(f"匹配率: {matched_rows/total_rows*100:.2f}%")
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print(f"输出文件: {output_path}")
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# 3. 可选: 创建一个包含函数信息的增强版本
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print("\n步骤 3: 创建包含函数信息的增强数据集...")
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enhanced_output_path = '/home/weifengsun/tangou1/step2/enhanced_dataset.csv'
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# 读取res2.csv到字典
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print("加载res2.csv函数信息...")
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res2_dict = {}
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for chunk in tqdm(pd.read_csv(res2_path, chunksize=chunk_size, header=None),
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desc="加载res2"):
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for idx, row in chunk.iterrows():
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res2_dict[row[0]] = row[1]
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# 读取刚生成的merged_dataset.csv并添加函数信息
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print("合并函数信息...")
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merged_df = pd.read_csv(output_path, low_memory=False)
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# 添加函数信息列
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merged_df['function_info'] = merged_df.iloc[:, 0].map(res2_dict)
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# 保存增强数据集
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merged_df.to_csv(enhanced_output_path, index=True)
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print(f"\n增强数据集已保存到: {enhanced_output_path}")
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print(f"增强数据集行数: {len(merged_df)}")
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print(f"增强数据集列数: {len(merged_df.columns)}")
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# 显示示例
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print("\n数据集前5行预览:")
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print(merged_df.head())
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print("\n增强数据集列名:")
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print(merged_df.columns.tolist())
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if __name__ == "__main__":
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main()
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