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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