import json from collections import defaultdict,OrderedDict, Counter from tqdm import tqdm import random import matplotlib.pyplot as plt def save_to_json(data, filename): """保存数据到 JSON 文件""" with open(filename, 'w', encoding='utf-8') as f: json.dump(data, f, ensure_ascii=False, indent=4) print(f"Saved to {filename}, data length: {len(data)}") def load_json(file_path): """从 JSON 文件加载数据""" with open(file_path, "r", encoding="utf-8") as f: data = json.load(f) print(f"Loaded from {file_path}, data length: {len(data)}") return data def analyze_and_visualize_sources(final_dataset, output_image_path="source_distribution_selected_data.png", output_json_path="source_counts.json"): """ 统计 final_dataset 中 source 的分布,并绘制饼图和保存为 JSON 文件。 :param final_dataset: 输入的数据列表,每个元素是一个字典 :param output_image_path: 饼图保存路径(默认为 "source_distribution.png") :param output_json_path: JSON 文件保存路径(默认为 "source_counts.json") """ # 提取所有包含 source 的项 sources = [item["source"] for item in final_dataset if "source" in item] # 统计 source 的分布 source_counts = Counter(sources) # 将统计结果保存为 JSON 文件 with open(output_json_path, "w", encoding="utf-8") as f: json.dump(source_counts, f, ensure_ascii=False, indent=4) print(f"Source 分布已保存到 {output_json_path}") # 绘制饼图 labels = list(source_counts.keys()) counts = list(source_counts.values()) plt.figure(figsize=(8, 8)) plt.pie(counts, labels=labels, autopct='%1.1f%%', startangle=140) plt.title("Source Distribution") plt.axis('equal') # 确保饼图为正圆 # 保存饼图为图片文件 plt.savefig(output_image_path) plt.close() print(f"Source 分布饼图已保存到 {output_image_path}") input_file = "/share/project/sunshuang/deep_search/data_syn/data/mixed_data/mixed_data_all.json" data = load_json(input_file) analyze_and_visualize_sources(data)