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FactorSimulator/utils/file_utils.py

59 lines
2.0 KiB

# -*- coding: utf-8 -*-
import os
import json
import time
from typing import List, Any
def load_alpha_list(file_path: str) -> List[str]:
"""从文件加载Alpha因子列表"""
if not os.path.exists(file_path):
print(f"{file_path} 文件不存在")
with open(file_path, 'w', encoding='utf-8') as file:
file.write("")
print(f"已创建 {file_path} 文件, 请添加因子后重新运行, 一行一个因子")
return []
with open(file_path, 'r', encoding='utf-8') as file:
alpha_list = [line.strip() for line in file if line.strip()]
return alpha_list
def save_results_to_file(results: List[Any], result_dir: str = 'result') -> str:
"""保存结果到文件"""
# 转换为可序列化的格式
serializable_results = []
for result in results:
if hasattr(result, '__dict__'):
# 如果是dataclass对象
result_dict = result.__dict__.copy()
else:
# 如果是字典
result_dict = result.copy()
# 处理时间消耗
if 'time_consuming' in result_dict:
result_dict['time_consuming'] = round(result_dict['time_consuming'], 2)
# 处理metrics对象
for key in list(result_dict.keys()):
if hasattr(result_dict[key], '__dict__'):
result_dict[key] = result_dict[key].__dict__
# 处理浮点数精度
for metric_key, value in result_dict[key].items():
if isinstance(value, float):
result_dict[key][metric_key] = round(value, 6)
serializable_results.append(result_dict)
# 确保结果目录存在
if not os.path.exists(result_dir):
os.makedirs(result_dir)
result_name = f"{result_dir}/simulation_results-{str(int(time.time()))}.json"
with open(result_name, 'w', encoding='utf-8') as f:
json.dump(serializable_results, f, ensure_ascii=False, indent=2)
print(f"结果已保存到 {result_name}")
return result_name