cms-dev/cms

Contest Management System

Stefano Maggiolo

@stefano-maggiolo

Might be, but using SQL

The participation table has a "first logging in time" used for usaco style contests

(where time starts from first log in)

I think we set it even if the contest isn't if that style

Robin Visser

@rvisser7

Hi there. I'm trying to evaluate a submission for an output-only task (with a custom checker). After submitting, the evaluation logs throw the following error:

2019-09-26 00:06:37,821 - ERROR [Evaluation,0 8 triggeredservice::run] Unexpected error when executing operation `evaluate on 5236 against dataset 181, testcase 24' (and 12 more operations).
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/io/triggeredservice.py", line 131, in run
    self.execute(to_execute)
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/service/EvaluationService.py", line 140, in execute
    res = self.pool.acquire_worker(self._currently_executing)
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/service/workerpool.py", line 214, in acquire_worker
    JobGroup.from_operations(operations, session).export_to_dict()
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/grading/Job.py", line 677, in from_operations
    jobs.append(Job.from_operation(operation, object_, dataset))
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/grading/Job.py", line 227, in from_operation
    job = EvaluationJob.from_submission(operation, object_, dataset)
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/grading/Job.py", line 518, in from_submission
    language = get_language(submission.language)
  File "/usr/local/lib/python3.6/dist-packages/cms-1.5.dev0-py3.6.egg/cms/grading/languagemanager.py", line 48, in get_language
    raise KeyError("Language `%s' not supported." % name)
KeyError: "Language `None' not supported."

Any idea what's happening? Language shouldn't be a factor for output-only tasks?

Stefano Maggiolo

@stefano-maggiolo

is it possible you have a submission format element with a %l?

I actually can't match your stack trace with the code on github

maybe you did some local changes?

Robin Visser

@rvisser7

Yeah, we did make some minor local changes. I'll have another look

Robin Visser

@rvisser7

Ok, nvm, we fixed it. Sorry for your trouble 😂

Ilya Bychkov

@il-bychkov

Hi, guys! Thank you very much for such a great tool CMS.
I am using it to check student's homeworks.

I have a small dumb question. I dont know why, but the dashbord says every service is down.
Although I am able to edit contests, submit and have results.
Web pages of admin service, contest service are up and running.

Stefano Maggiolo

@stefano-maggiolo

this might be because you're using python 3.5?

Andrey Vihrov

@andreyv

I have an idea to check admin password strength using libpwquality (it has python bindings). Does this sound interesting?

Stefano Maggiolo

@stefano-maggiolo

imho seems a relatively week usecase (who's using passwords that are not generated by the browser these days?)

*weak

martinmarinov150402

@martinmarinov150402

hello all

I wanna ask you about Failures during evaluation

I made checker

and It seems to work to two solutions

but on third it cant evaluate

what should I do

Stefano Maggiolo

@stefano-maggiolo

hey

try debugging outside of cms - first make sure that the checker does what you think it does

read the documentation about checkers to make sure that you are following the rules

https://cms.readthedocs.io/en/v1.4/Task%20types.html#checker

Huseyn Hajiyev

@computerbox_gitlab

hi ! i want to turn on logging service,but i have this error. how i can fix it ?

Traceback (most recent call last):
File "/usr/local/bin/cmsLogService", line 4, in <module>
import('pkg_resources').run_script('cms==1.4rc1', 'cmsLogService')
File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 658, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 1438, in run_script
exec(code, namespace, namespace)
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/EGG-INFO/scripts/cmsLogService", line 53, in <module>
sys.exit(main())
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/EGG-INFO/scripts/cmsLogService", line 47, in main
success = default_argument_parser("Logger for CMS.", LogService).run()
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/cms/util.py", line 231, in default_argument_parser
return cls(args.shard)
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/cms/service/LogService.py", line 55, in init
Service.init(self, shard)
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/cms/io/service.py", line 99, in init
self.initialize_logging()
File "/usr/local/lib/python3.6/dist-packages/cms-1.4rc1-py3.6.egg/cms/io/service.py", line 137, in initialize_logging
mode='w', encoding='utf-8')
File "/usr/lib/python3.6/logging/init.py", line 1032, in init
StreamHandler.init(self, self._open())
File "/usr/lib/python3.6/logging/init.py", line 1061, in _open
return open(self.baseFilename, self.mode, encoding=self.encoding)
FileNotFoundError: [Errno 2] No such file or directory: '/var/local/log/cms/LogService-0/2019-10-17-11-30-40.log'

Stefano Maggiolo

@stefano-maggiolo

most likely you missed some steps in the installation

https://cms.readthedocs.io/en/v1.4/Installation.html#preparation-steps

prerequisite script in particular

if it doesn't help, make sure that /var/local/log/cms is readable and writable by the cmsuser group and that the user you're using to run the service is in that group

Huseyn Hajiyev

@computerbox_gitlab

thanks

it is working

Stefano Maggiolo

@stefano-maggiolo

aweoms

awesome

Edoardo Morassutto

@edomora97

Hi, I've just pushed the pull-request cms-dev/cms#1141 but the tests are failing.
In particular only https://github.com/cms-dev/cms/blob/de73b21cdc62bdecb3ae65a2eef0ff8b1fa65492/cmstestsuite/unit_tests/io/rpc_test.py#L234 fails saying Expected 'connect' to be called once. After a lot of digging we figured out that calling gevent.socket.getaddrinfo changes the value of the mocked method:

cms.io.rpc.gevent.socket.socket = <MagicMock name='socket' id='139905522845776'>
# call to gevent.socket.getaddrinfo
cms.io.rpc.gevent.socket.socket = <class 'gevent._socket3.socket'>

We have no idea how the mocking library works, do you have any idea?

Stefano Maggiolo

@stefano-maggiolo

yeah, no idea how to fix it, sorry

I tried browsing the gevent code but it's not the most digestible one

the only thing that comes to mind is to mock getaddrinfo too

Andrey Vihrov

@andreyv

https://openjdk.java.net/jeps/318 "JEP 318: Epsilon: A No-Op Garbage Collector"

Seems potentially useful for Java solution testing

Stefano Maggiolo

@stefano-maggiolo

uhm...

interesting, but I can see the appeals :D

Mark Dustin

@mark_dustin_gitlab

I have to setup a cms, i have nothing but heroku, the time is so less, I'm getting no idea, how and where to start. I know this is so dumb and stupid. But please, i'm feeling helpless. Can anybody help me out with a guideline?

Stefano Maggiolo

@stefano-maggiolo

just to make sure, you're talking about CMS, a grader for programming competition or a cms (content management system)?

if the former, please follow https://cms.readthedocs.io/en/v1.4/, if the latter you're in the wrong place

Mark Dustin

@mark_dustin_gitlab

no sir i'm talking about cms which is used in ioi, yes

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