KeyError at /teams/lang/en/

'HTTP_REFERER'
Request Method: GET
Request URL: https://2019.hackerdom.ru/teams/lang/en/
Django Version: 1.11.17
Exception Type: KeyError
Exception Value:
'HTTP_REFERER'
Exception Location: /home/services/qoala/apps/teams/views.py in set_lang, line 107
Python Executable: /usr/bin/uwsgi-core
Python Version: 3.9.2
Python Path:
['.',
 '',
 '/usr/lib/python39.zip',
 '/usr/lib/python3.9',
 '/usr/lib/python3.9/lib-dynload',
 '/usr/local/lib/python3.9/dist-packages',
 '/usr/lib/python3/dist-packages',
 '/home/services/qoala',
 '/home/services/qoala/apps',
 '/home/services/qoala/lib']
Server time: Tue, 19 Mar 2024 08:26:40 +0500

Traceback Switch to copy-and-paste view



Request information

USER

AnonymousUser

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
CONTENT_LENGTH
''
CONTENT_TYPE
''
DOCUMENT_ROOT
'/usr/share/nginx/html'
HTTPS
'on'
HTTP_ACCEPT
'*/*'
HTTP_HOST
'2019.hackerdom.ru'
HTTP_USER_AGENT
'claudebot'
PATH_INFO
'/teams/lang/en/'
QUERY_STRING
''
REMOTE_ADDR
'54.221.159.188'
REMOTE_PORT
'53368'
REQUEST_METHOD
'GET'
REQUEST_SCHEME
'https'
REQUEST_URI
'/teams/lang/en/'
SCRIPT_NAME
''
SERVER_NAME
'2019.hackerdom.ru'
SERVER_PORT
'443'
SERVER_PROTOCOL
'HTTP/1.1'
uwsgi.node
b'school-back'
uwsgi.version
b'2.0.19.1-debian'
wsgi.errors
<_io.TextIOWrapper name=2 mode='w' encoding='ANSI_X3.4-1968'>
wsgi.file_wrapper
''
wsgi.input
<uwsgi._Input object at 0x7f4ac200dcf0>
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'https'
wsgi.version
(1, 0)

Settings

Using settings module qoala.settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
['*']
ANSWERS_PER_MINUTE
30
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
('django.contrib.auth.backends.ModelBackend', 'teams.auth.TokenAuthBackend')
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'teams.Team'
BASE_DIR
'/home/services/qoala'
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS
'default'
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
CACHE_MIDDLEWARE_SECONDS
600
CSRF_COOKIE_AGE
31449600
CSRF_COOKIE_DOMAIN
None
CSRF_COOKIE_HTTPONLY
False
CSRF_COOKIE_NAME
'csrftoken'
CSRF_COOKIE_PATH
'/'
CSRF_COOKIE_SECURE
False
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME
'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS
[]
CSRF_USE_SESSIONS
False
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': '',
             'NAME': '',
             'OPTIONS': {'read_default_file': '/home/services/qoala/training2019.mysql.cnf'},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': ''}}
DATABASE_ROUTERS
[]
DATA_DIR
'/home/services/qoala/data-training-2019'
DATA_SUFFIX
'-training-2019'
DATA_UPLOAD_MAX_MEMORY_SIZE
2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS
1000
DATETIME_FORMAT
'N j, Y, P'
DATETIME_INPUT_FORMATS
['%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%Y-%m-%d',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%Y',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M',
 '%m/%d/%y']
DATE_FORMAT
'N j, Y'
DATE_INPUT_FORMATS
['%Y-%m-%d',
 '%m/%d/%Y',
 '%m/%d/%y',
 '%b %d %Y',
 '%b %d, %Y',
 '%d %b %Y',
 '%d %b, %Y',
 '%B %d %Y',
 '%B %d, %Y',
 '%d %B %Y',
 '%d %B, %Y']
DEBUG
True
DEBUG_PROPAGATE_EXCEPTIONS
False
DEBUG_TOOLBAR_CONFIG
{'ENABLE_STACKTRACES': True,
 'INTERCEPT_REDIRECTS': False,
 'SHOW_TEMPLATE_CONTEXT': True,
 'SHOW_TOOLBAR_CALLBACK': 'qoala.settings.custom_show_toolbar'}
DEBUG_TOOLBAR_PATCH_SETTINGS
False
DECIMAL_SEPARATOR
'.'
DEFAULT_CHARSET
'utf-8'
DEFAULT_CONTENT_TYPE
'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL
'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DEV
False
DISALLOWED_USER_AGENTS
[]
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST
'localhost'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
''
EMAIL_PORT
25
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
'********************'
EMAIL_SUBJECT_PREFIX
'[Django] '
EMAIL_TIMEOUT
None
EMAIL_USE_LOCALTIME
False
EMAIL_USE_SSL
False
EMAIL_USE_TLS
False
FILE_CHARSET
'utf-8'
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
FILE_UPLOAD_HANDLERS
['django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
FILE_UPLOAD_PERMISSIONS
None
FILE_UPLOAD_TEMP_DIR
None
FIRST_DAY_OF_WEEK
0
FIXTURE_DIRS
[]
FORCE_SCRIPT_NAME
None
FORMAT_MODULE_PATH
None
FORM_RENDERER
'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS
[]
INSTALLED_APPS
('django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.admin',
 'django.contrib.humanize',
 'django.contrib.staticfiles',
 'djcelery',
 'base',
 'teams',
 'quests',
 'board')
INSTANCE_NAME
'Тренировки, сезон 2019-2020'
INTERNAL_IPS
[]
LANGUAGES
(('ru', 'Russian'), ('en', 'English'))
LANGUAGES_BIDI
['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE
'ru'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_NAME
'django_language'
LANGUAGE_COOKIE_PATH
'/'
LOCALE_PATHS
[]
LOGGING
{}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/'
LOGIN_URL
'/teams/login'
LOGOUT_REDIRECT_URL
None
LOGOUT_URL
'/teams/logout'
MANAGERS
[]
MEDIA_ROOT
''
MEDIA_URL
''
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
None
MIDDLEWARE_CLASSES
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')
MIGRATION_MODULES
{}
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PREPEND_WWW
False
PROJECT_DIR
'/home/services/qoala/qoala'
ROOT_URLCONF
'qoala.urls'
SECRET_KEY
'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
False
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
False
SECURE_HSTS_SECONDS
0
SECURE_PROXY_SSL_HEADER
None
SECURE_REDIRECT_EXEMPT
[]
SECURE_SSL_HOST
None
SECURE_SSL_REDIRECT
False
SERVER_EMAIL
'root@localhost'
SESSION_CACHE_ALIAS
'default'
SESSION_COOKIE_AGE
1209600
SESSION_COOKIE_DOMAIN
None
SESSION_COOKIE_HTTPONLY
True
SESSION_COOKIE_NAME
'sessionid'
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SECURE
False
SESSION_ENGINE
'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_FILE_PATH
None
SESSION_SAVE_EVERY_REQUEST
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE
'qoala.settings'
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SHOW_ZEROS_ON_SCOREBOARD
False
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS
[]
STATICFILES_DIRS
('/home/services/qoala/base/static',)
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
'/home/services/qoala/qoala/static'
STATIC_URL
'/static/'
TASKS_DATA_DIR
'/home/services/qoala/data-training-2019/tmptasks'
TASKS_DIR
'/home/services/qoala/data-training-2019/tasks'
TASK_SALT
'asdkajdlkasjdlkajsdlkajlskdjalksdjkl'
TEMPLATES
[{'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'OPTIONS': {'context_processors': ['django.contrib.auth.context_processors.auth'],
              'loaders': ('django.template.loaders.app_directories.Loader',)}}]
TEMPLATE_DEBUG
False
TEST_NON_SERIALIZED_APPS
[]
TEST_RUNNER
'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR
','
TIME_FORMAT
'P'
TIME_INPUT_FORMATS
['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE
'Asia/Yekaterinburg'
USE_ETAGS
False
USE_I18N
True
USE_L10N
True
USE_THOUSAND_SEPARATOR
False
USE_TZ
True
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'qoala.wsgi.application'
X_FRAME_OPTIONS
'SAMEORIGIN'
YEAR_MONTH_FORMAT
'F Y'

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard page generated by the handler for this status code.