json文件上的文件旋转和删除

您可以使用日志记录和json模块来实现这一点,如下所示:

import logging
import json
import os
from logging.handlers import RotatingFileHandler

def rotate_json_file(file_path, max_bytes, backup_count):
    logger = logging.getLogger(__name__)
    logger.setLevel(logging.INFO)
    
    file_handler = RotatingFileHandler(file_path, mode='a', maxBytes=max_bytes, backupCount=backup_count)
    file_handler.setFormatter(logging.Formatter('%(message)s'))

    logger.addHandler(file_handler)
    
    json_data = {'key': 'value'}
    logger.info(json.dumps(json_data))

    logger.removeHandler(file_handler)
    file_handler.close()

    record = logging.makeLogRecord(json_data)
    
    if file_handler.shouldRollover(record):
        # Get the rotated file names
        rotated_files = [file_path] + [file_path + '.{}'.format(i) for i in range(1, backup_count + 1)]
        
        os.remove(rotated_files[-1])

        for i in range(len(rotated_files) - 1, 0, -1):
            os.rename(rotated_files[i - 1], rotated_files[i])

        open(file_path, 'a').close()