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| import platform | |
| import pickle | |
| import multiprocessing | |
| def run_in_subprocess_wrapper_func(v_args): | |
| func, args, kwargs, return_dict, exception_dict = pickle.loads(v_args) | |
| import sys | |
| try: | |
| result = func(*args, **kwargs) | |
| return_dict['result'] = result | |
| except Exception as e: | |
| exc_info = sys.exc_info() | |
| exception_dict['exception'] = exc_info | |
| def run_in_subprocess_with_timeout(func, timeout=60): | |
| if platform.system() == 'Linux': | |
| def wrapper(*args, **kwargs): | |
| return_dict = multiprocessing.Manager().dict() | |
| exception_dict = multiprocessing.Manager().dict() | |
| v_args = pickle.dumps((func, args, kwargs, return_dict, exception_dict)) | |
| process = multiprocessing.Process(target=run_in_subprocess_wrapper_func, args=(v_args,)) | |
| process.start() | |
| process.join(timeout) | |
| if process.is_alive(): | |
| process.terminate() | |
| raise TimeoutError(f'功能单元{str(func)}未能在规定时间内完成任务') | |
| process.close() | |
| if 'exception' in exception_dict: | |
| # ooops, the subprocess ran into an exception | |
| exc_info = exception_dict['exception'] | |
| raise exc_info[1].with_traceback(exc_info[2]) | |
| if 'result' in return_dict.keys(): | |
| # If the subprocess ran successfully, return the result | |
| return return_dict['result'] | |
| return wrapper | |
| else: | |
| return func |