用于为字典中的每个键创建每个日志文件的Python自定义日志记录处理程序

import logging
import os

class CustomFileHandler(logging.Handler):
    def __init__(self, log_dir):
        super().__init__()
        self.log_dir = log_dir

    def emit(self, record):
        log_file = os.path.join(self.log_dir, record.name + '.log')
        with open(log_file, 'a') as f:
            f.write(self.format(record) + '\n')

log_dir = '/path/to/log/directory'
logger = logging.getLogger('custom_logger')
logger.setLevel(logging.DEBUG)

handler = CustomFileHandler(log_dir)
formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)

logger.addHandler(handler)

logger.debug('This is a debug message for key1')
logger.info('This is an info message for key2')
logger.warning('This is a warning message for key3')
logger.error('This is an error message for key4')