2020-01-21 06:35:58 +00:00
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from moss import *
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from judge.models import Contest, ContestParticipation, Submission
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class Command(BaseCommand):
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help = 'Checks for duplicate code using MOSS'
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LANG_MAPPING = {
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('C++', MOSS_LANG_CC),
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('C', MOSS_LANG_C),
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('Java', MOSS_LANG_JAVA),
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('Python', MOSS_LANG_PYTHON),
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2020-06-15 16:10:44 +00:00
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('Pascal', MOSS_LANG_PASCAL),
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2020-01-21 06:35:58 +00:00
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}
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def add_arguments(self, parser):
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parser.add_argument('contest', help='the id of the contest')
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def handle(self, *args, **options):
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moss_api_key = settings.MOSS_API_KEY
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if moss_api_key is None:
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print('No MOSS API Key supplied')
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return
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contest = options['contest']
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for problem in Contest.objects.get(key=contest).problems.order_by('code'):
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print('========== %s / %s ==========' % (problem.code, problem.name))
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for dmoj_lang, moss_lang in self.LANG_MAPPING:
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print("%s: " % dmoj_lang, end=' ')
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subs = Submission.objects.filter(
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contest__participation__virtual__in=(ContestParticipation.LIVE, ContestParticipation.SPECTATE),
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contest__participation__contest__key=contest,
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result='AC', problem__id=problem.id,
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language__common_name=dmoj_lang,
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).values_list('user__user__username', 'source__source')
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if not subs:
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print('<no submissions>')
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continue
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moss_call = MOSS(moss_api_key, language=moss_lang, matching_file_limit=100,
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comment='%s - %s' % (contest, problem.code))
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users = set()
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for username, source in subs:
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if username in users:
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continue
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users.add(username)
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moss_call.add_file_from_memory(username, source.encode('utf-8'))
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print('(%d): %s' % (subs.count(), moss_call.process()))
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