split_all_data_index.py

import os
import json
from datasets import load_dataset

def load_json(file_path):
    with open(file_path, 'r', encoding='utf-8') as f:
        data = json.load(f)
    return data

class DatasetSaver:
    def __init__(self, data_root):
        self.data_root = data_root
        # os.makedirs(self.data_root, exist_ok=True)
        self.split_file = os.path.join(self.data_root, "valid_one_points_indices.json")
        self.one_point_indices = load_json(self.split_file)["index"]


    def save_data(self):
        dataset = load_dataset("allenai/pixmo-points", split="train", cache_dir=self.data_root)
        
        for idx in self.one_point_indices:
            
            print(f" {idx + 1} files...",idx/len(dataset)*100,"%")
        
            data = dataset[idx] 
            file_path = os.path.join(self.data_root, f"pixmo_data/{idx}.json")
            with open(file_path, "w", encoding="utf-8") as f:
                json.dump(data, f, ensure_ascii=False, indent=4)
            print('saved')
            

        
        print("All data saved successfully.")

# 使用示例
data_saver = DatasetSaver('/home/rongtao/jianzhang/pixmo-points/Datasets')
data_saver.save_data()