SystemExit: 2

设计的系统，里面包含yolov5模块，其中args.parser,parse_args()负责解析终端里面输入的参数。后端主函数能完美运行的程序，放到django前端就不能执行。

Traceback (most recent call last):File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/wsgiref/handlers.py", line 137, in runself.result = application(self.environ, self.start_response)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/contrib/staticfiles/handlers.py", line 80, in __call__return self.application(environ, start_response)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/wsgi.py", line 132, in __call__response = self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/base.py", line 140, in get_responseresponse = self._middleware_chain(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/utils/deprecation.py", line 134, in __call__response = response or self.get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/exception.py", line 55, in innerresponse = get_response(request)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/site-packages/django/core/handlers/base.py", line 197, in _get_responseresponse = wrapped_callback(request, *callback_args, **callback_kwargs)File "/home/barry/PycharmProjects/EEPC/login/views.py", line 148, in results = Deal_Score(file_list,ma,mi)File "/home/barry/PycharmProjects/EEPC/main.py", line 229, in Deal_Scoredeal(image_one)File "/home/barry/PycharmProjects/EEPC/main.py", line 143, in dealchoice_score = choice_question(choice_src)File "/home/barry/PycharmProjects/EEPC/detect.py", line 315, in choice_questionresult = Detect(p)File "/home/barry/PycharmProjects/EEPC/detect.py", line 297, in Detectopt = parse_opt()File "/home/barry/PycharmProjects/EEPC/detect.py", line 283, in parse_optopt = parser.parse_args()File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/argparse.py", line 1823, in parse_argsself.error(msg % ' '.join(argv))File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/argparse.py", line 2577, in errorself.exit(2, _('%(prog)s: error: %(message)s\n') % args)File "/home/barry/anaconda3/envs/EEPC/lib/python3.9/argparse.py", line 2564, in exit_sys.exit(status)
SystemExit: 2

核心就是最后一行SystemExit: 2

解决方案：

args = parser.parse_args()
改成
args = parser.parse_args(args=[])

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