Cloned DMOJ

dmoj/__init__.py

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+from dmoj.celery import app as celery_app

dmoj/celery.py

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+import logging
+import socket
+
+from celery import Celery
+from celery.signals import task_failure
+
+app = Celery('dmoj')
+
+from django.conf import settings  # noqa: E402, I202, django must be imported here
+app.config_from_object(settings, namespace='CELERY')
+
+if hasattr(settings, 'CELERY_BROKER_URL_SECRET'):
+    app.conf.broker_url = settings.CELERY_BROKER_URL_SECRET
+if hasattr(settings, 'CELERY_RESULT_BACKEND_SECRET'):
+    app.conf.result_backend = settings.CELERY_RESULT_BACKEND_SECRET
+
+# Load task modules from all registered Django app configs.
+app.autodiscover_tasks()
+
+# Logger to enable errors be reported.
+logger = logging.getLogger('judge.celery')
+
+
+@task_failure.connect()
+def celery_failure_log(sender, task_id, exception, traceback, *args, **kwargs):
+    logger.error('Celery Task %s: %s on %s', sender.name, task_id, socket.gethostname(),  # noqa: G201
+                 exc_info=(type(exception), exception, traceback))

dmoj/settings.py

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+"""
+Django settings for dmoj project.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.11/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/1.11/ref/settings/
+"""
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+import os
+import tempfile
+
+from django.utils.translation import ugettext_lazy as _
+from django_jinja.builtins import DEFAULT_EXTENSIONS
+from jinja2 import select_autoescape
+
+BASE_DIR = os.path.dirname(os.path.dirname(__file__))
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '5*9f5q57mqmlz2#f$x1h76&jxy#yortjl1v+l*6hd18$d*yx#0'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+SITE_ID = 1
+SITE_NAME = 'DMOJ'
+SITE_LONG_NAME = 'DMOJ: Modern Online Judge'
+SITE_ADMIN_EMAIL = False
+
+DMOJ_REQUIRE_STAFF_2FA = True
+
+# Set to 1 to use HTTPS if request was made to https://
+# Set to 2 to always use HTTPS for links
+# Set to 0 to always use HTTP for links
+DMOJ_SSL = 0
+
+# Refer to dmoj.ca/post/103-point-system-rework
+DMOJ_PP_STEP = 0.95
+DMOJ_PP_ENTRIES = 100
+DMOJ_PP_BONUS_FUNCTION = lambda n: 300 * (1 - 0.997 ** n)  # noqa: E731
+
+NODEJS = '/usr/bin/node'
+EXIFTOOL = '/usr/bin/exiftool'
+ACE_URL = '//cdnjs.cloudflare.com/ajax/libs/ace/1.1.3'
+SELECT2_JS_URL = '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js'
+DEFAULT_SELECT2_CSS = '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css'
+
+DMOJ_CAMO_URL = None
+DMOJ_CAMO_KEY = None
+DMOJ_CAMO_HTTPS = False
+DMOJ_CAMO_EXCLUDE = ()
+DMOJ_PROBLEM_DATA_ROOT = None
+DMOJ_PROBLEM_MIN_TIME_LIMIT = 0  # seconds
+DMOJ_PROBLEM_MAX_TIME_LIMIT = 60  # seconds
+DMOJ_PROBLEM_MIN_MEMORY_LIMIT = 0  # kilobytes
+DMOJ_PROBLEM_MAX_MEMORY_LIMIT = 1048576  # kilobytes
+DMOJ_PROBLEM_MIN_PROBLEM_POINTS = 0
+DMOJ_RATING_COLORS = False
+DMOJ_EMAIL_THROTTLING = (10, 60)
+DMOJ_STATS_LANGUAGE_THRESHOLD = 10
+DMOJ_SUBMISSIONS_REJUDGE_LIMIT = 10
+# Maximum number of submissions a single user can queue without the `spam_submission` permission
+DMOJ_SUBMISSION_LIMIT = 2
+DMOJ_BLOG_NEW_PROBLEM_COUNT = 7
+DMOJ_BLOG_RECENTLY_ATTEMPTED_PROBLEMS_COUNT = 7
+DMOJ_TOTP_TOLERANCE_HALF_MINUTES = 1
+DMOJ_USER_MAX_ORGANIZATION_COUNT = 3
+DMOJ_COMMENT_VOTE_HIDE_THRESHOLD = -5
+DMOJ_PDF_PROBLEM_CACHE = ''
+DMOJ_PDF_PROBLEM_TEMP_DIR = tempfile.gettempdir()
+DMOJ_STATS_SUBMISSION_RESULT_COLORS = {
+    'TLE': '#a3bcbd',
+    'AC': '#00a92a',
+    'WA': '#ed4420',
+    'CE': '#42586d',
+    'ERR': '#ffa71c',
+}
+
+MARKDOWN_STYLES = {}
+MARKDOWN_DEFAULT_STYLE = {}
+
+MATHOID_URL = False
+MATHOID_GZIP = False
+MATHOID_MML_CACHE = None
+MATHOID_CSS_CACHE = 'default'
+MATHOID_DEFAULT_TYPE = 'auto'
+MATHOID_MML_CACHE_TTL = 86400
+MATHOID_CACHE_ROOT = ''
+MATHOID_CACHE_URL = False
+
+TEXOID_GZIP = False
+TEXOID_META_CACHE = 'default'
+TEXOID_META_CACHE_TTL = 86400
+DMOJ_NEWSLETTER_ID_ON_REGISTER = None
+
+BAD_MAIL_PROVIDERS = ()
+BAD_MAIL_PROVIDER_REGEX = ()
+NOFOLLOW_EXCLUDED = set()
+
+TIMEZONE_BG = None
+TIMEZONE_MAP = None
+TIMEZONE_DETECT_BACKEND = None
+
+TERMS_OF_SERVICE_URL = None
+DEFAULT_USER_LANGUAGE = 'PY3'
+
+PHANTOMJS = ''
+PHANTOMJS_PDF_ZOOM = 0.75
+PHANTOMJS_PDF_TIMEOUT = 5.0
+PHANTOMJS_PAPER_SIZE = 'Letter'
+
+SLIMERJS = ''
+SLIMERJS_PDF_ZOOM = 0.75
+SLIMERJS_FIREFOX_PATH = ''
+SLIMERJS_PAPER_SIZE = 'Letter'
+
+PUPPETEER_MODULE = '/usr/lib/node_modules/puppeteer'
+PUPPETEER_PAPER_SIZE = 'Letter'
+
+PYGMENT_THEME = 'pygment-github.css'
+INLINE_JQUERY = True
+INLINE_FONTAWESOME = True
+JQUERY_JS = '//ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js'
+FONTAWESOME_CSS = '//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css'
+DMOJ_CANONICAL = ''
+
+# Application definition
+
+INSTALLED_APPS = ()
+
+try:
+    import wpadmin
+except ImportError:
+    pass
+else:
+    del wpadmin
+    INSTALLED_APPS += ('wpadmin',)
+
+    WPADMIN = {
+        'admin': {
+            'title': 'DMOJ Admin',
+            'menu': {
+                'top': 'wpadmin.menu.menus.BasicTopMenu',
+                'left': 'wpadmin.menu.custom.CustomModelLeftMenuWithDashboard',
+            },
+            'custom_menu': [
+                {
+                    'model': 'judge.Problem',
+                    'icon': 'fa-question-circle',
+                    'children': [
+                        'judge.ProblemGroup',
+                        'judge.ProblemType',
+                    ],
+                },
+                {
+                    'model': 'judge.Submission',
+                    'icon': 'fa-check-square-o',
+                    'children': [
+                        'judge.Language',
+                        'judge.Judge',
+                    ],
+                },
+                {
+                    'model': 'judge.Contest',
+                    'icon': 'fa-bar-chart',
+                    'children': [
+                        'judge.ContestParticipation',
+                        'judge.ContestTag',
+                    ],
+                },
+                {
+                    'model': 'auth.User',
+                    'icon': 'fa-user',
+                    'children': [
+                        'auth.Group',
+                        'registration.RegistrationProfile',
+                    ],
+                },
+                {
+                    'model': 'judge.Profile',
+                    'icon': 'fa-user-plus',
+                    'children': [
+                        'judge.Organization',
+                        'judge.OrganizationRequest',
+                    ],
+                },
+                {
+                    'model': 'judge.NavigationBar',
+                    'icon': 'fa-bars',
+                    'children': [
+                        'judge.MiscConfig',
+                        'judge.License',
+                        'sites.Site',
+                        'redirects.Redirect',
+                    ],
+                },
+                ('judge.BlogPost', 'fa-rss-square'),
+                ('judge.Comment', 'fa-comment-o'),
+                ('flatpages.FlatPage', 'fa-file-text-o'),
+                ('judge.Solution', 'fa-pencil'),
+            ],
+            'dashboard': {
+                'breadcrumbs': True,
+            },
+        },
+    }
+
+INSTALLED_APPS += (
+    'django.contrib.admin',
+    'judge',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.flatpages',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.redirects',
+    'django.contrib.staticfiles',
+    'django.contrib.sites',
+    'django.contrib.sitemaps',
+    'registration',
+    'mptt',
+    'reversion',
+    'django_social_share',
+    'social_django',
+    'compressor',
+    'django_ace',
+    'pagedown',
+    'sortedm2m',
+    'statici18n',
+    'impersonate',
+    'django_jinja',
+)
+
+MIDDLEWARE = (
+    'judge.middleware.ShortCircuitMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'judge.middleware.DMOJLoginMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'judge.user_log.LogUserAccessMiddleware',
+    'judge.timezone.TimezoneMiddleware',
+    'impersonate.middleware.ImpersonateMiddleware',
+    'judge.middleware.DMOJImpersonationMiddleware',
+    'judge.middleware.ContestMiddleware',
+    'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware',
+    'judge.social_auth.SocialAuthExceptionMiddleware',
+    'django.contrib.redirects.middleware.RedirectFallbackMiddleware',
+)
+
+IMPERSONATE_REQUIRE_SUPERUSER = True
+IMPERSONATE_DISABLE_LOGGING = True
+
+ACCOUNT_ACTIVATION_DAYS = 7
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'judge.utils.pwned.PwnedPasswordsValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+SILENCED_SYSTEM_CHECKS = ['urls.W002', 'fields.W342']
+
+ROOT_URLCONF = 'dmoj.urls'
+LOGIN_REDIRECT_URL = '/user'
+WSGI_APPLICATION = 'dmoj.wsgi.application'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django_jinja.backend.Jinja2',
+        'DIRS': [
+            os.path.join(BASE_DIR, 'templates'),
+        ],
+        'APP_DIRS': False,
+        'OPTIONS': {
+            'match_extension': ('.html', '.txt'),
+            'match_regex': '^(?!admin/)',
+            'context_processors': [
+                'django.template.context_processors.media',
+                'django.template.context_processors.tz',
+                'django.template.context_processors.i18n',
+                'django.template.context_processors.request',
+                'django.contrib.messages.context_processors.messages',
+                'judge.template_context.comet_location',
+                'judge.template_context.get_resource',
+                'judge.template_context.general_info',
+                'judge.template_context.site',
+                'judge.template_context.site_name',
+                'judge.template_context.misc_config',
+                'judge.template_context.math_setting',
+                'social_django.context_processors.backends',
+                'social_django.context_processors.login_redirect',
+            ],
+            'autoescape': select_autoescape(['html', 'xml']),
+            'trim_blocks': True,
+            'lstrip_blocks': True,
+            'extensions': DEFAULT_EXTENSIONS + [
+                'compressor.contrib.jinja2ext.CompressorExtension',
+                'judge.jinja2.DMOJExtension',
+                'judge.jinja2.spaceless.SpacelessExtension',
+            ],
+        },
+    },
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+        'DIRS': [
+            os.path.join(BASE_DIR, 'templates'),
+        ],
+        'OPTIONS': {
+            'context_processors': [
+                'django.contrib.auth.context_processors.auth',
+                'django.template.context_processors.media',
+                'django.template.context_processors.tz',
+                'django.template.context_processors.i18n',
+                'django.template.context_processors.request',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+LOCALE_PATHS = [
+    os.path.join(BASE_DIR, 'locale'),
+]
+
+LANGUAGES = [
+    ('de', _('German')),
+    ('en', _('English')),
+    ('es', _('Spanish')),
+    ('fr', _('French')),
+    ('hr', _('Croatian')),
+    ('hu', _('Hungarian')),
+    ('ja', _('Japanese')),
+    ('ko', _('Korean')),
+    ('pt', _('Brazilian Portuguese')),
+    ('ro', _('Romanian')),
+    ('ru', _('Russian')),
+    ('sr-latn', _('Serbian (Latin)')),
+    ('tr', _('Turkish')),
+    ('vi', _('Vietnamese')),
+    ('zh-hans', _('Simplified Chinese')),
+    ('zh-hant', _('Traditional Chinese')),
+]
+
+MARKDOWN_ADMIN_EDITABLE_STYLE = {
+    'safe_mode': False,
+    'use_camo': True,
+    'texoid': True,
+    'math': True,
+}
+
+MARKDOWN_DEFAULT_STYLE = {
+    'safe_mode': True,
+    'nofollow': True,
+    'use_camo': True,
+    'math': True,
+}
+
+MARKDOWN_USER_LARGE_STYLE = {
+    'safe_mode': True,
+    'nofollow': True,
+    'use_camo': True,
+    'math': True,
+}
+
+MARKDOWN_STYLES = {
+    'comment': MARKDOWN_DEFAULT_STYLE,
+    'self-description': MARKDOWN_USER_LARGE_STYLE,
+    'problem': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'contest': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'language': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'license': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'judge': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'blog': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'solution': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'contest_tag': MARKDOWN_ADMIN_EDITABLE_STYLE,
+    'organization-about': MARKDOWN_USER_LARGE_STYLE,
+    'ticket': MARKDOWN_USER_LARGE_STYLE,
+}
+
+# Database
+# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    },
+}
+
+ENABLE_FTS = False
+
+# Bridged configuration
+BRIDGED_JUDGE_ADDRESS = [('localhost', 9999)]
+BRIDGED_JUDGE_PROXIES = None
+BRIDGED_DJANGO_ADDRESS = [('localhost', 9998)]
+BRIDGED_DJANGO_CONNECT = None
+
+# Event Server configuration
+EVENT_DAEMON_USE = False
+EVENT_DAEMON_POST = 'ws://localhost:9997/'
+EVENT_DAEMON_GET = 'ws://localhost:9996/'
+EVENT_DAEMON_POLL = '/channels/'
+EVENT_DAEMON_KEY = None
+EVENT_DAEMON_AMQP_EXCHANGE = 'dmoj-events'
+EVENT_DAEMON_SUBMISSION_KEY = '6Sdmkx^%pk@GsifDfXcwX*Y7LRF%RGT8vmFpSxFBT$fwS7trc8raWfN#CSfQuKApx&$B#Gh2L7p%W!Ww'
+
+# Internationalization
+# https://docs.djangoproject.com/en/1.11/topics/i18n/
+
+# Whatever you do, this better be one of the entries in `LANGUAGES`.
+LANGUAGE_CODE = 'en'
+TIME_ZONE = 'UTC'
+DEFAULT_USER_TIME_ZONE = 'America/Toronto'
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+
+# Cookies
+SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.11/howto/static-files/
+
+DMOJ_RESOURCES = os.path.join(BASE_DIR, 'resources')
+STATICFILES_FINDERS = (
+    'django.contrib.staticfiles.finders.FileSystemFinder',
+    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+)
+STATICFILES_DIRS = [
+    os.path.join(BASE_DIR, 'resources'),
+]
+STATIC_URL = '/static/'
+
+# Define a cache
+CACHES = {}
+
+# Authentication
+AUTHENTICATION_BACKENDS = (
+    'social_core.backends.google.GoogleOAuth2',
+    'social_core.backends.facebook.FacebookOAuth2',
+    'judge.social_auth.GitHubSecureEmailOAuth2',
+    'django.contrib.auth.backends.ModelBackend',
+)
+
+SOCIAL_AUTH_PIPELINE = (
+    'social_core.pipeline.social_auth.social_details',
+    'social_core.pipeline.social_auth.social_uid',
+    'social_core.pipeline.social_auth.auth_allowed',
+    'judge.social_auth.verify_email',
+    'social_core.pipeline.social_auth.social_user',
+    'social_core.pipeline.user.get_username',
+    'social_core.pipeline.social_auth.associate_by_email',
+    'judge.social_auth.choose_username',
+    'social_core.pipeline.user.create_user',
+    'judge.social_auth.make_profile',
+    'social_core.pipeline.social_auth.associate_user',
+    'social_core.pipeline.social_auth.load_extra_data',
+    'social_core.pipeline.user.user_details',
+)
+
+SOCIAL_AUTH_GITHUB_SECURE_SCOPE = ['user:email']
+SOCIAL_AUTH_FACEBOOK_SCOPE = ['email']
+SOCIAL_AUTH_SLUGIFY_USERNAMES = True
+SOCIAL_AUTH_SLUGIFY_FUNCTION = 'judge.social_auth.slugify_username'
+
+JUDGE_AMQP_PATH = None
+
+MOSS_API_KEY = None
+
+CELERY_WORKER_HIJACK_ROOT_LOGGER = False
+
+try:
+    with open(os.path.join(os.path.dirname(__file__), 'local_settings.py')) as f:
+        exec(f.read(), globals())
+except IOError:
+    pass

dmoj/throttle_mail.py

@@ -0,0 +1,29 @@
+import traceback
+
+from django.conf import settings
+from django.core.cache import cache
+from django.utils.log import AdminEmailHandler
+
+DEFAULT_THROTTLE = (10, 60)
+
+
+def new_email():
+    cache.add('error_email_throttle', 0, settings.DMOJ_EMAIL_THROTTLING[1])
+    return cache.incr('error_email_throttle')
+
+
+class ThrottledEmailHandler(AdminEmailHandler):
+    def __init__(self, *args, **kwargs):
+        super(ThrottledEmailHandler, self).__init__(*args, **kwargs)
+
+        self.throttle = settings.DMOJ_EMAIL_THROTTLING[0]
+
+    def emit(self, record):
+        try:
+            count = new_email()
+        except Exception:
+            traceback.print_exc()
+        else:
+            if count >= self.throttle:
+                return
+        AdminEmailHandler.emit(self, record)

dmoj/urls.py

@@ -0,0 +1,387 @@
+from django.conf import settings
+from django.conf.urls import include, url
+from django.contrib import admin
+from django.contrib.auth import views as auth_views
+from django.contrib.sitemaps.views import sitemap
+from django.http import Http404, HttpResponsePermanentRedirect
+from django.templatetags.static import static
+from django.urls import reverse
+from django.utils.functional import lazystr
+from django.utils.translation import ugettext_lazy as _
+from django.views.generic import RedirectView
+
+from judge.feed import AtomBlogFeed, AtomCommentFeed, AtomProblemFeed, BlogFeed, CommentFeed, ProblemFeed
+from judge.forms import CustomAuthenticationForm
+from judge.sitemap import BlogPostSitemap, ContestSitemap, HomePageSitemap, OrganizationSitemap, ProblemSitemap, \
+    SolutionSitemap, UrlSitemap, UserSitemap
+from judge.views import TitledTemplateView, api, blog, comment, contests, language, license, mailgun, organization, \
+    preview, problem, problem_manage, ranked_submission, register, stats, status, submission, tasks, ticket, totp, \
+    user, widgets
+from judge.views.problem_data import ProblemDataView, ProblemSubmissionDiff, \
+    problem_data_file, problem_init_view
+from judge.views.register import ActivationView, RegistrationView
+from judge.views.select2 import AssigneeSelect2View, CommentSelect2View, ContestSelect2View, \
+    ContestUserSearchSelect2View, OrganizationSelect2View, ProblemSelect2View, TicketUserSelect2View, \
+    UserSearchSelect2View, UserSelect2View
+
+admin.autodiscover()
+
+register_patterns = [
+    url(r'^activate/complete/$',
+        TitledTemplateView.as_view(template_name='registration/activation_complete.html',
+                                   title='Activation Successful!'),
+        name='registration_activation_complete'),
+    # Activation keys get matched by \w+ instead of the more specific
+    # [a-fA-F0-9]{40} because a bad activation key should still get to the view;
+    # that way it can return a sensible "invalid key" message instead of a
+    # confusing 404.
+    url(r'^activate/(?P<activation_key>\w+)/$',
+        ActivationView.as_view(title='Activation key invalid'),
+        name='registration_activate'),
+    url(r'^register/$',
+        RegistrationView.as_view(title='Register'),
+        name='registration_register'),
+    url(r'^register/complete/$',
+        TitledTemplateView.as_view(template_name='registration/registration_complete.html',
+                                   title='Registration Completed'),
+        name='registration_complete'),
+    url(r'^register/closed/$',
+        TitledTemplateView.as_view(template_name='registration/registration_closed.html',
+                                   title='Registration not allowed'),
+        name='registration_disallowed'),
+    url(r'^login/$', auth_views.LoginView.as_view(
+        template_name='registration/login.html',
+        extra_context={'title': _('Login')},
+        authentication_form=CustomAuthenticationForm,
+        redirect_authenticated_user=True,
+    ), name='auth_login'),
+    url(r'^logout/$', user.UserLogoutView.as_view(), name='auth_logout'),
+    url(r'^password/change/$', auth_views.PasswordChangeView.as_view(
+        template_name='registration/password_change_form.html',
+    ), name='password_change'),
+    url(r'^password/change/done/$', auth_views.PasswordChangeDoneView.as_view(
+        template_name='registration/password_change_done.html',
+    ), name='password_change_done'),
+    url(r'^password/reset/$', auth_views.PasswordResetView.as_view(
+        template_name='registration/password_reset.html',
+        html_email_template_name='registration/password_reset_email.html',
+        email_template_name='registration/password_reset_email.txt',
+    ), name='password_reset'),
+    url(r'^password/reset/confirm/(?P<uidb64>[0-9A-Za-z]+)-(?P<token>.+)/$',
+        auth_views.PasswordResetConfirmView.as_view(
+            template_name='registration/password_reset_confirm.html',
+        ), name='password_reset_confirm'),
+    url(r'^password/reset/complete/$', auth_views.PasswordResetCompleteView.as_view(
+        template_name='registration/password_reset_complete.html',
+    ), name='password_reset_complete'),
+    url(r'^password/reset/done/$', auth_views.PasswordResetDoneView.as_view(
+        template_name='registration/password_reset_done.html',
+    ), name='password_reset_done'),
+    url(r'^social/error/$', register.social_auth_error, name='social_auth_error'),
+
+    url(r'^2fa/$', totp.TOTPLoginView.as_view(), name='login_2fa'),
+    url(r'^2fa/enable/$', totp.TOTPEnableView.as_view(), name='enable_2fa'),
+    url(r'^2fa/disable/$', totp.TOTPDisableView.as_view(), name='disable_2fa'),
+]
+
+
+def exception(request):
+    if not request.user.is_superuser:
+        raise Http404()
+    raise RuntimeError('@Xyene asked me to cause this')
+
+
+def paged_list_view(view, name):
+    return include([
+        url(r'^$', view.as_view(), name=name),
+        url(r'^(?P<page>\d+)$', view.as_view(), name=name),
+    ])
+
+
+urlpatterns = [
+    url(r'^$', blog.PostList.as_view(template_name='home.html', title=_('Home')), kwargs={'page': 1}, name='home'),
+    url(r'^500/$', exception),
+    url(r'^admin/', admin.site.urls),
+    url(r'^i18n/', include('django.conf.urls.i18n')),
+    url(r'^accounts/', include(register_patterns)),
+    url(r'^', include('social_django.urls')),
+
+    url(r'^problems/$', problem.ProblemList.as_view(), name='problem_list'),
+    url(r'^problems/random/$', problem.RandomProblem.as_view(), name='problem_random'),
+
+    url(r'^problem/(?P<problem>[^/]+)', include([
+        url(r'^$', problem.ProblemDetail.as_view(), name='problem_detail'),
+        url(r'^/editorial$', problem.ProblemSolution.as_view(), name='problem_editorial'),
+        url(r'^/raw$', problem.ProblemRaw.as_view(), name='problem_raw'),
+        url(r'^/pdf$', problem.ProblemPdfView.as_view(), name='problem_pdf'),
+        url(r'^/pdf/(?P<language>[a-z-]+)$', problem.ProblemPdfView.as_view(), name='problem_pdf'),
+        url(r'^/clone', problem.ProblemClone.as_view(), name='problem_clone'),
+        url(r'^/submit$', problem.problem_submit, name='problem_submit'),
+        url(r'^/resubmit/(?P<submission>\d+)$', problem.problem_submit, name='problem_submit'),
+
+        url(r'^/rank/', paged_list_view(ranked_submission.RankedSubmissions, 'ranked_submissions')),
+        url(r'^/submissions/', paged_list_view(submission.ProblemSubmissions, 'chronological_submissions')),
+        url(r'^/submissions/(?P<user>\w+)/', paged_list_view(submission.UserProblemSubmissions, 'user_submissions')),
+
+        url(r'^/$', lambda _, problem: HttpResponsePermanentRedirect(reverse('problem_detail', args=[problem]))),
+
+        url(r'^/test_data$', ProblemDataView.as_view(), name='problem_data'),
+        url(r'^/test_data/init$', problem_init_view, name='problem_data_init'),
+        url(r'^/test_data/diff$', ProblemSubmissionDiff.as_view(), name='problem_submission_diff'),
+        url(r'^/data/(?P<path>.+)$', problem_data_file, name='problem_data_file'),
+
+        url(r'^/tickets$', ticket.ProblemTicketListView.as_view(), name='problem_ticket_list'),
+        url(r'^/tickets/new$', ticket.NewProblemTicketView.as_view(), name='new_problem_ticket'),
+
+        url(r'^/manage/submission', include([
+            url('^$', problem_manage.ManageProblemSubmissionView.as_view(), name='problem_manage_submissions'),
+            url('^/rejudge$', problem_manage.RejudgeSubmissionsView.as_view(), name='problem_submissions_rejudge'),
+            url('^/rejudge/preview$', problem_manage.PreviewRejudgeSubmissionsView.as_view(),
+                name='problem_submissions_rejudge_preview'),
+            url('^/rejudge/success/(?P<task_id>[A-Za-z0-9-]*)$', problem_manage.rejudge_success,
+                name='problem_submissions_rejudge_success'),
+            url('^/rescore/all$', problem_manage.RescoreAllSubmissionsView.as_view(),
+                name='problem_submissions_rescore_all'),
+            url('^/rescore/success/(?P<task_id>[A-Za-z0-9-]*)$', problem_manage.rescore_success,
+                name='problem_submissions_rescore_success'),
+        ])),
+    ])),
+
+    url(r'^submissions/', paged_list_view(submission.AllSubmissions, 'all_submissions')),
+    url(r'^submissions/user/(?P<user>\w+)/', paged_list_view(submission.AllUserSubmissions, 'all_user_submissions')),
+
+    url(r'^src/(?P<submission>\d+)$', submission.SubmissionSource.as_view(), name='submission_source'),
+    url(r'^src/(?P<submission>\d+)/raw$', submission.SubmissionSourceRaw.as_view(), name='submission_source_raw'),
+
+    url(r'^submission/(?P<submission>\d+)', include([
+        url(r'^$', submission.SubmissionStatus.as_view(), name='submission_status'),
+        url(r'^/abort$', submission.abort_submission, name='submission_abort'),
+        url(r'^/html$', submission.single_submission),
+    ])),
+
+    url(r'^users/', include([
+        url(r'^$', user.users, name='user_list'),
+        url(r'^(?P<page>\d+)$', lambda request, page:
+            HttpResponsePermanentRedirect('%s?page=%s' % (reverse('user_list'), page))),
+        url(r'^find$', user.user_ranking_redirect, name='user_ranking_redirect'),
+    ])),
+
+    url(r'^user$', user.UserAboutPage.as_view(), name='user_page'),
+    url(r'^edit/profile/$', user.edit_profile, name='user_edit_profile'),
+    url(r'^user/(?P<user>\w+)', include([
+        url(r'^$', user.UserAboutPage.as_view(), name='user_page'),
+        url(r'^/solved', include([
+            url(r'^$', user.UserProblemsPage.as_view(), name='user_problems'),
+            url(r'/ajax$', user.UserPerformancePointsAjax.as_view(), name='user_pp_ajax'),
+        ])),
+        url(r'^/submissions/', paged_list_view(submission.AllUserSubmissions, 'all_user_submissions_old')),
+        url(r'^/submissions/', lambda _, user:
+            HttpResponsePermanentRedirect(reverse('all_user_submissions', args=[user]))),
+
+        url(r'^/$', lambda _, user: HttpResponsePermanentRedirect(reverse('user_page', args=[user]))),
+    ])),
+
+    url(r'^comments/upvote/$', comment.upvote_comment, name='comment_upvote'),
+    url(r'^comments/downvote/$', comment.downvote_comment, name='comment_downvote'),
+    url(r'^comments/hide/$', comment.comment_hide, name='comment_hide'),
+    url(r'^comments/(?P<id>\d+)/', include([
+        url(r'^edit$', comment.CommentEdit.as_view(), name='comment_edit'),
+        url(r'^history/ajax$', comment.CommentRevisionAjax.as_view(), name='comment_revision_ajax'),
+        url(r'^edit/ajax$', comment.CommentEditAjax.as_view(), name='comment_edit_ajax'),
+        url(r'^votes/ajax$', comment.CommentVotesAjax.as_view(), name='comment_votes_ajax'),
+        url(r'^render$', comment.CommentContent.as_view(), name='comment_content'),
+    ])),
+
+    url(r'^contests/', paged_list_view(contests.ContestList, 'contest_list')),
+    url(r'^contests/(?P<year>\d+)/(?P<month>\d+)/$', contests.ContestCalendar.as_view(), name='contest_calendar'),
+    url(r'^contests/tag/(?P<name>[a-z-]+)', include([
+        url(r'^$', contests.ContestTagDetail.as_view(), name='contest_tag'),
+        url(r'^/ajax$', contests.ContestTagDetailAjax.as_view(), name='contest_tag_ajax'),
+    ])),
+
+    url(r'^contest/(?P<contest>\w+)', include([
+        url(r'^$', contests.ContestDetail.as_view(), name='contest_view'),
+        url(r'^/moss$', contests.ContestMossView.as_view(), name='contest_moss'),
+        url(r'^/moss/delete$', contests.ContestMossDelete.as_view(), name='contest_moss_delete'),
+        url(r'^/clone$', contests.ContestClone.as_view(), name='contest_clone'),
+        url(r'^/ranking/$', contests.ContestRanking.as_view(), name='contest_ranking'),
+        url(r'^/ranking/ajax$', contests.contest_ranking_ajax, name='contest_ranking_ajax'),
+        url(r'^/join$', contests.ContestJoin.as_view(), name='contest_join'),
+        url(r'^/leave$', contests.ContestLeave.as_view(), name='contest_leave'),
+        url(r'^/stats$', contests.ContestStats.as_view(), name='contest_stats'),
+
+        url(r'^/rank/(?P<problem>\w+)/',
+            paged_list_view(ranked_submission.ContestRankedSubmission, 'contest_ranked_submissions')),
+
+        url(r'^/submissions/(?P<user>\w+)/(?P<problem>\w+)/',
+            paged_list_view(submission.UserContestSubmissions, 'contest_user_submissions')),
+
+        url(r'^/participations$', contests.ContestParticipationList.as_view(), name='contest_participation_own'),
+        url(r'^/participations/(?P<user>\w+)$',
+            contests.ContestParticipationList.as_view(), name='contest_participation'),
+        url(r'^/participation/disqualify$', contests.ContestParticipationDisqualify.as_view(),
+            name='contest_participation_disqualify'),
+
+        url(r'^/$', lambda _, contest: HttpResponsePermanentRedirect(reverse('contest_view', args=[contest]))),
+    ])),
+
+    url(r'^organizations/$', organization.OrganizationList.as_view(), name='organization_list'),
+    url(r'^organization/(?P<pk>\d+)-(?P<slug>[\w-]*)', include([
+        url(r'^$', organization.OrganizationHome.as_view(), name='organization_home'),
+        url(r'^/users$', organization.OrganizationUsers.as_view(), name='organization_users'),
+        url(r'^/join$', organization.JoinOrganization.as_view(), name='join_organization'),
+        url(r'^/leave$', organization.LeaveOrganization.as_view(), name='leave_organization'),
+        url(r'^/edit$', organization.EditOrganization.as_view(), name='edit_organization'),
+        url(r'^/kick$', organization.KickUserWidgetView.as_view(), name='organization_user_kick'),
+
+        url(r'^/request$', organization.RequestJoinOrganization.as_view(), name='request_organization'),
+        url(r'^/request/(?P<rpk>\d+)$', organization.OrganizationRequestDetail.as_view(),
+            name='request_organization_detail'),
+        url(r'^/requests/', include([
+            url(r'^pending$', organization.OrganizationRequestView.as_view(), name='organization_requests_pending'),
+            url(r'^log$', organization.OrganizationRequestLog.as_view(), name='organization_requests_log'),
+            url(r'^approved$', organization.OrganizationRequestLog.as_view(states=('A',), tab='approved'),
+                name='organization_requests_approved'),
+            url(r'^rejected$', organization.OrganizationRequestLog.as_view(states=('R',), tab='rejected'),
+                name='organization_requests_rejected'),
+        ])),
+
+        url(r'^/$', lambda _, pk, slug: HttpResponsePermanentRedirect(reverse('organization_home', args=[pk, slug]))),
+    ])),
+
+    url(r'^runtimes/$', language.LanguageList.as_view(), name='runtime_list'),
+    url(r'^runtimes/matrix/$', status.version_matrix, name='version_matrix'),
+    url(r'^status/$', status.status_all, name='status_all'),
+
+    url(r'^api/', include([
+        url(r'^contest/list$', api.api_v1_contest_list),
+        url(r'^contest/info/(\w+)$', api.api_v1_contest_detail),
+        url(r'^problem/list$', api.api_v1_problem_list),
+        url(r'^problem/info/(\w+)$', api.api_v1_problem_info),
+        url(r'^user/list$', api.api_v1_user_list),
+        url(r'^user/info/(\w+)$', api.api_v1_user_info),
+        url(r'^user/submissions/(\w+)$', api.api_v1_user_submissions),
+    ])),
+
+    url(r'^blog/', paged_list_view(blog.PostList, 'blog_post_list')),
+    url(r'^post/(?P<id>\d+)-(?P<slug>.*)$', blog.PostView.as_view(), name='blog_post'),
+
+    url(r'^license/(?P<key>[-\w.]+)$', license.LicenseDetail.as_view(), name='license'),
+
+    url(r'^mailgun/mail_activate/$', mailgun.MailgunActivationView.as_view(), name='mailgun_activate'),
+
+    url(r'^widgets/', include([
+        url(r'^rejudge$', widgets.rejudge_submission, name='submission_rejudge'),
+        url(r'^single_submission$', submission.single_submission_query, name='submission_single_query'),
+        url(r'^submission_testcases$', submission.SubmissionTestCaseQuery.as_view(), name='submission_testcases_query'),
+        url(r'^detect_timezone$', widgets.DetectTimezone.as_view(), name='detect_timezone'),
+        url(r'^status-table$', status.status_table, name='status_table'),
+
+        url(r'^template$', problem.LanguageTemplateAjax.as_view(), name='language_template_ajax'),
+
+        url(r'^select2/', include([
+            url(r'^user_search$', UserSearchSelect2View.as_view(), name='user_search_select2_ajax'),
+            url(r'^contest_users/(?P<contest>\w+)$', ContestUserSearchSelect2View.as_view(),
+                name='contest_user_search_select2_ajax'),
+            url(r'^ticket_user$', TicketUserSelect2View.as_view(), name='ticket_user_select2_ajax'),
+            url(r'^ticket_assignee$', AssigneeSelect2View.as_view(), name='ticket_assignee_select2_ajax'),
+        ])),
+
+        url(r'^preview/', include([
+            url(r'^problem$', preview.ProblemMarkdownPreviewView.as_view(), name='problem_preview'),
+            url(r'^blog$', preview.BlogMarkdownPreviewView.as_view(), name='blog_preview'),
+            url(r'^contest$', preview.ContestMarkdownPreviewView.as_view(), name='contest_preview'),
+            url(r'^comment$', preview.CommentMarkdownPreviewView.as_view(), name='comment_preview'),
+            url(r'^profile$', preview.ProfileMarkdownPreviewView.as_view(), name='profile_preview'),
+            url(r'^organization$', preview.OrganizationMarkdownPreviewView.as_view(), name='organization_preview'),
+            url(r'^solution$', preview.SolutionMarkdownPreviewView.as_view(), name='solution_preview'),
+            url(r'^license$', preview.LicenseMarkdownPreviewView.as_view(), name='license_preview'),
+            url(r'^ticket$', preview.TicketMarkdownPreviewView.as_view(), name='ticket_preview'),
+        ])),
+    ])),
+
+    url(r'^feed/', include([
+        url(r'^problems/rss/$', ProblemFeed(), name='problem_rss'),
+        url(r'^problems/atom/$', AtomProblemFeed(), name='problem_atom'),
+        url(r'^comment/rss/$', CommentFeed(), name='comment_rss'),
+        url(r'^comment/atom/$', AtomCommentFeed(), name='comment_atom'),
+        url(r'^blog/rss/$', BlogFeed(), name='blog_rss'),
+        url(r'^blog/atom/$', AtomBlogFeed(), name='blog_atom'),
+    ])),
+
+    url(r'^stats/', include([
+        url('^language/', include([
+            url('^$', stats.language, name='language_stats'),
+            url('^data/all/$', stats.language_data, name='language_stats_data_all'),
+            url('^data/ac/$', stats.ac_language_data, name='language_stats_data_ac'),
+            url('^data/status/$', stats.status_data, name='stats_data_status'),
+            url('^data/ac_rate/$', stats.ac_rate, name='language_stats_data_ac_rate'),
+        ])),
+    ])),
+
+    url(r'^tickets/', include([
+        url(r'^$', ticket.TicketList.as_view(), name='ticket_list'),
+        url(r'^ajax$', ticket.TicketListDataAjax.as_view(), name='ticket_ajax'),
+    ])),
+
+    url(r'^ticket/(?P<pk>\d+)', include([
+        url(r'^$', ticket.TicketView.as_view(), name='ticket'),
+        url(r'^/ajax$', ticket.TicketMessageDataAjax.as_view(), name='ticket_message_ajax'),
+        url(r'^/open$', ticket.TicketStatusChangeView.as_view(open=True), name='ticket_open'),
+        url(r'^/close$', ticket.TicketStatusChangeView.as_view(open=False), name='ticket_close'),
+        url(r'^/notes$', ticket.TicketNotesEditView.as_view(), name='ticket_notes'),
+    ])),
+
+    url(r'^sitemap\.xml$', sitemap, {'sitemaps': {
+        'problem': ProblemSitemap,
+        'user': UserSitemap,
+        'home': HomePageSitemap,
+        'contest': ContestSitemap,
+        'organization': OrganizationSitemap,
+        'blog': BlogPostSitemap,
+        'solutions': SolutionSitemap,
+        'pages': UrlSitemap([
+            {'location': '/about/', 'priority': 0.9},
+        ]),
+    }}),
+
+    url(r'^judge-select2/', include([
+        url(r'^profile/$', UserSelect2View.as_view(), name='profile_select2'),
+        url(r'^organization/$', OrganizationSelect2View.as_view(), name='organization_select2'),
+        url(r'^problem/$', ProblemSelect2View.as_view(), name='problem_select2'),
+        url(r'^contest/$', ContestSelect2View.as_view(), name='contest_select2'),
+        url(r'^comment/$', CommentSelect2View.as_view(), name='comment_select2'),
+    ])),
+
+    url(r'^tasks/', include([
+        url(r'^status/(?P<task_id>[A-Za-z0-9-]*)$', tasks.task_status, name='task_status'),
+        url(r'^ajax_status$', tasks.task_status_ajax, name='task_status_ajax'),
+        url(r'^success$', tasks.demo_success),
+        url(r'^failure$', tasks.demo_failure),
+        url(r'^progress$', tasks.demo_progress),
+    ])),
+]
+
+favicon_paths = ['apple-touch-icon-180x180.png', 'apple-touch-icon-114x114.png', 'android-chrome-72x72.png',
+                 'apple-touch-icon-57x57.png', 'apple-touch-icon-72x72.png', 'apple-touch-icon.png', 'mstile-70x70.png',
+                 'android-chrome-36x36.png', 'apple-touch-icon-precomposed.png', 'apple-touch-icon-76x76.png',
+                 'apple-touch-icon-60x60.png', 'android-chrome-96x96.png', 'mstile-144x144.png', 'mstile-150x150.png',
+                 'safari-pinned-tab.svg', 'android-chrome-144x144.png', 'apple-touch-icon-152x152.png',
+                 'favicon-96x96.png',
+                 'favicon-32x32.png', 'favicon-16x16.png', 'android-chrome-192x192.png', 'android-chrome-48x48.png',
+                 'mstile-310x150.png', 'apple-touch-icon-144x144.png', 'browserconfig.xml', 'manifest.json',
+                 'apple-touch-icon-120x120.png', 'mstile-310x310.png']
+
+for favicon in favicon_paths:
+    urlpatterns.append(url(r'^%s$' % favicon, RedirectView.as_view(
+        url=lazystr(lambda: static('icons/' + favicon)),
+    )))
+
+handler404 = 'judge.views.error.error404'
+handler403 = 'judge.views.error.error403'
+handler500 = 'judge.views.error.error500'
+
+if 'newsletter' in settings.INSTALLED_APPS:
+    urlpatterns.append(url(r'^newsletter/', include('newsletter.urls')))
+if 'impersonate' in settings.INSTALLED_APPS:
+    urlpatterns.append(url(r'^impersonate/', include('impersonate.urls')))

dmoj/wsgi.py

@@ -0,0 +1,12 @@
+import os
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dmoj.settings')
+
+try:
+    import MySQLdb  # noqa: F401, imported for side effect
+except ImportError:
+    import pymysql
+
+    pymysql.install_as_MySQLdb()
+
+from django.core.wsgi import get_wsgi_application  # noqa: E402, django must be imported here
+application = get_wsgi_application()

dmoj/wsgi_async.py

@@ -0,0 +1,14 @@
+import os
+
+import gevent.monkey  # noqa: I100, gevent must be imported here
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dmoj.settings')
+gevent.monkey.patch_all()
+
+# noinspection PyUnresolvedReferences
+import dmoj_install_pymysql  # noqa: F401, I100, I202, imported for side effect
+
+from django.core.wsgi import get_wsgi_application  # noqa: E402, I100, I202, django must be imported here
+# noinspection PyUnresolvedReferences
+import django_2_2_pymysql_patch  # noqa: I100, F401, I202, imported for side effect
+application = get_wsgi_application()