NDOJ/judge/tasks/moss.py

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2020-01-21 06:35:58 +00:00
from celery import shared_task
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.utils.translation import gettext as _
from moss import MOSS
from judge.models import Contest, ContestMoss, ContestParticipation, Submission
from judge.utils.celery import Progress
__all__ = ('run_moss',)
@shared_task(bind=True)
def run_moss(self, contest_key):
moss_api_key = settings.MOSS_API_KEY
if moss_api_key is None:
raise ImproperlyConfigured('No MOSS API Key supplied')
contest = Contest.objects.get(key=contest_key)
ContestMoss.objects.filter(contest=contest).delete()
length = len(ContestMoss.LANG_MAPPING) * contest.problems.count()
moss_results = []
with Progress(self, length, stage=_('Running MOSS')) as p:
for problem in contest.problems.all():
for dmoj_lang, moss_lang in ContestMoss.LANG_MAPPING:
result = ContestMoss(contest=contest, problem=problem, language=dmoj_lang)
subs = Submission.objects.filter(
contest__participation__virtual__in=(ContestParticipation.LIVE, ContestParticipation.SPECTATE),
contest_object=contest,
problem=problem,
language__common_name=dmoj_lang,
).order_by('-points').values_list('user__user__username', 'source__source')
if subs.exists():
moss_call = MOSS(moss_api_key, language=moss_lang, matching_file_limit=100,
comment='%s - %s' % (contest.key, problem.code))
users = set()
for username, source in subs:
if username in users:
continue
users.add(username)
moss_call.add_file_from_memory(username, source.encode('utf-8'))
result.url = moss_call.process()
result.submission_count = len(users)
moss_results.append(result)
p.did(1)
ContestMoss.objects.bulk_create(moss_results)
return len(moss_results)