Class TeeOutput

internbootcamp/utils/tool_server/cli.py:120–133

            
            # 重定向到该日志文件，同时输出到控制台
            class TeeOutput:
                def __init__(self, *files):
                    self.files = files

                def write(self, data):
                    if data:
                        data = sanitize_log_message(data)
                        for f in self.files:
                            f.write(data)
                            f.flush()

                def flush(self):
                    for f in self.files:
                        f.flush()
            
            log_file_obj = open(temp_log_file, 'a', buffering=1)  # 行缓冲
            sys.stdout = TeeOutput(sys.__stdout__, log_file_obj)