argument of type 'NoneType' is not iterable
Request Method: | GET |
---|---|
Request URL: | https://hippo.mn/lang/en |
Django Version: | 3.1.5 |
Exception Type: | TypeError |
Exception Value: | argument of type 'NoneType' is not iterable |
Exception Location: | /root/hippo/lib/python3.6/site-packages/django/shortcuts.py, line 137, in resolve_url |
Python Executable: | /root/hippo/bin/python |
Python Version: | 3.6.9 |
Python Path: | ['/home/hippo', '/root/hippo/bin', '/usr/lib/python36.zip', '/usr/lib/python3.6', '/usr/lib/python3.6/lib-dynload', '/root/hippo/lib/python3.6/site-packages'] |
Server time: | Thu, 28 Mar 2024 16:55:21 +0800 |
/root/hippo/lib/python3.6/site-packages/django/shortcuts.py
, line 131, in resolve_url
if isinstance(to, str):
# Handle relative URLs
if to.startswith(('./', '../')):
return to
# Next try a reverse URL resolution.
try:
return reverse(to, args=args, kwargs=kwargs)…
except NoReverseMatch:
# If this is a callable, re-raise.
if callable(to):
raise
# If this doesn't "feel" like a URL, re-raise.
if '/' not in to and '.' not in to:
Variable | Value |
---|---|
args | () |
kwargs | {} |
to | None |
/root/hippo/lib/python3.6/site-packages/django/urls/base.py
, line 87, in reverse
(key, ':'.join(resolved_path))
)
else:
raise NoReverseMatch("%s is not a registered namespace" % key)
if ns_pattern:
resolver = get_ns_resolver(ns_pattern, resolver, tuple(ns_converters.items()))
return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))…
reverse_lazy = lazy(reverse, str)
def clear_url_caches():
Variable | Value |
---|---|
args | [] |
current_app | None |
kwargs | {} |
prefix | '/' |
resolver | <URLResolver 'backend_hippo.urls' (None:None) '^/'> |
urlconf | 'backend_hippo.urls' |
view | None |
viewname | None |
/root/hippo/lib/python3.6/site-packages/django/urls/resolvers.py
, line 685, in _reverse_with_prefix
(lookup_view_s, arg_msg, len(patterns), patterns)
)
else:
msg = (
"Reverse for '%(view)s' not found. '%(view)s' is not "
"a valid view function or pattern name." % {'view': lookup_view_s}
)
raise NoReverseMatch(msg)…
Variable | Value |
---|---|
_prefix | '/' |
args | () |
kwargs | {} |
lookup_view | None |
lookup_view_s | None |
m | None |
msg | ("Reverse for 'None' not found. 'None' is not a valid view function or pattern " 'name.') |
n | None |
patterns | [] |
possibilities | [] |
self | <URLResolver 'backend_hippo.urls' (None:None) '^/'> |
/root/hippo/lib/python3.6/site-packages/django/core/handlers/exception.py
, line 47, in inner
response = await sync_to_async(response_for_exception, thread_sensitive=False)(request, exc)
return response
return inner
else:
@wraps(get_response)
def inner(request):
try:
response = get_response(request)…
except Exception as exc:
response = response_for_exception(request, exc)
return response
return inner
Variable | Value |
---|---|
exc | TypeError("argument of type 'NoneType' is not iterable",) |
get_response | <bound method BaseHandler._get_response of <django.core.handlers.wsgi.WSGIHandler object at 0x7f04af182f60>> |
request | <WSGIRequest: GET '/lang/en'> |
/root/hippo/lib/python3.6/site-packages/django/core/handlers/base.py
, line 181, in _get_response
if response is None:
wrapped_callback = self.make_view_atomic(callback)
# If it is an asynchronous view, run it in a subthread.
if asyncio.iscoroutinefunction(wrapped_callback):
wrapped_callback = async_to_sync(wrapped_callback)
try:
response = wrapped_callback(request, *callback_args, **callback_kwargs)…
except Exception as e:
response = self.process_exception_by_middleware(e, request)
if response is None:
raise
# Complain if the view returned None (a common error).
Variable | Value |
---|---|
callback | <function change_language at 0x7f04b212a488> |
callback_args | () |
callback_kwargs | {'lang': 'en'} |
middleware_method | <bound method CsrfViewMiddleware.process_view of <django.middleware.csrf.CsrfViewMiddleware object at 0x7f04af04f860>> |
request | <WSGIRequest: GET '/lang/en'> |
response | None |
self | <django.core.handlers.wsgi.WSGIHandler object at 0x7f04af182f60> |
wrapped_callback | <function change_language at 0x7f04b212a488> |
/home/hippo/olympiad/views.py
, line 274, in change_language
def change_language(request, lang):
cur_language = translation.get_language()
lasturl = request.META.get("HTTP_REFERER")
translation.activate(lang)
request.session["django_language"] = lang
request.session[LANGUAGE_SESSION_KEY] = lang
request.session[translation.LANGUAGE_SESSION_KEY] = lang
return redirect(request.META.get("HTTP_REFERER"))…
def dun_p(request):
year_db = Years.objects.all()
return render(request, "dun.html", {"all_year": year_db})
Variable | Value |
---|---|
cur_language | 'mn' |
lang | 'en' |
lasturl | None |
request | <WSGIRequest: GET '/lang/en'> |
/root/hippo/lib/python3.6/site-packages/django/shortcuts.py
, line 41, in redirect
* A URL, which will be used as-is for the redirect location.
Issues a temporary redirect by default; pass permanent=True to issue a
permanent redirect.
"""
redirect_class = HttpResponsePermanentRedirect if permanent else HttpResponseRedirect
return redirect_class(resolve_url(to, *args, **kwargs))…
def _get_queryset(klass):
"""
Return a QuerySet or a Manager.
Duck typing in action: any class with a `get()` method (for
Variable | Value |
---|---|
args | () |
kwargs | {} |
permanent | False |
redirect_class | <class 'django.http.response.HttpResponseRedirect'> |
to | None |
/root/hippo/lib/python3.6/site-packages/django/shortcuts.py
, line 137, in resolve_url
try:
return reverse(to, args=args, kwargs=kwargs)
except NoReverseMatch:
# If this is a callable, re-raise.
if callable(to):
raise
# If this doesn't "feel" like a URL, re-raise.
if '/' not in to and '.' not in to:…
raise
# Finally, fall back and assume it's a URL
return to
Variable | Value |
---|---|
args | () |
kwargs | {} |
to | None |
AnonymousUser
No GET data
No POST data
No FILES data
No cookie data
Variable | Value |
---|---|
HTTP_ACCEPT | '*/*' |
HTTP_CONNECTION | 'close' |
HTTP_HOST | 'hippo.mn' |
HTTP_USER_AGENT | 'claudebot' |
HTTP_X_FORWARDED_FOR | '44.204.94.166' |
HTTP_X_FORWARDED_PROTO | 'https' |
HTTP_X_REAL_IP | '44.204.94.166' |
PATH_INFO | '/lang/en' |
QUERY_STRING | '' |
RAW_URI | '/lang/en' |
REMOTE_ADDR | '' |
REQUEST_METHOD | 'GET' |
SCRIPT_NAME | '' |
SERVER_NAME | 'hippo.mn' |
SERVER_PORT | '443' |
SERVER_PROTOCOL | 'HTTP/1.0' |
SERVER_SOFTWARE | 'gunicorn/20.0.4' |
gunicorn.socket | <socket.socket fd=12, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0, laddr=/home/hippo/hippo.sock> |
wsgi.errors | <gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f04ac957e80> |
wsgi.file_wrapper | <class 'gunicorn.http.wsgi.FileWrapper'> |
wsgi.input | <gunicorn.http.body.Body object at 0x7f04ac96a9b0> |
wsgi.input_terminated | True |
wsgi.multiprocess | True |
wsgi.multithread | False |
wsgi.run_once | False |
wsgi.url_scheme | 'https' |
wsgi.version | (1, 0) |
backend_hippo.settings
Setting | Value |
---|---|
ABSOLUTE_URL_OVERRIDES | {} |
ADMINS | [] |
ALLOWED_HOSTS | ['138.197.66.174', 'localhost', 'hippo.mn', 'www.hippo.mn', 'localhost', '192.168.0.170'] |
APPEND_SLASH | True |
AUTHENTICATION_BACKENDS | ['django.contrib.auth.backends.ModelBackend'] |
AUTH_PASSWORD_VALIDATORS | '********************' |
AUTH_USER_MODEL | 'auth.User' |
BASE_DIR | '/home/hippo' |
CACHES | {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}} |
CACHE_MIDDLEWARE_ALIAS | 'default' |
CACHE_MIDDLEWARE_KEY_PREFIX | '********************' |
CACHE_MIDDLEWARE_SECONDS | 600 |
CKEDITOR_CONFIGS | {'default': {'extraPlugins': 'html5audio', 'toolbar': 'Custom'}} |
CKEDITOR_MEDIA_PREFIX | '/media/ckeditor/' |
CKEDITOR_UPLOAD_PATH | '/var/www/uploads' |
CSRF_COOKIE_AGE | 31449600 |
CSRF_COOKIE_DOMAIN | None |
CSRF_COOKIE_HTTPONLY | False |
CSRF_COOKIE_NAME | 'csrftoken' |
CSRF_COOKIE_PATH | '/' |
CSRF_COOKIE_SAMESITE | 'Lax' |
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': 'localhost', 'NAME': 'hippo', 'OPTIONS': {'charset': 'utf8mb4'}, 'PASSWORD': '********************', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'MIGRATE': True, 'MIRROR': None, 'NAME': None}, 'TIME_ZONE': None, 'USER': 'root'}} |
DATABASE_ROUTERS | [] |
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', '%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M:%S.%f', '%m/%d/%Y %H:%M', '%m/%d/%y %H:%M:%S', '%m/%d/%y %H:%M:%S.%f', '%m/%d/%y %H:%M'] |
DATE_FORMAT | 'Y-m-d' |
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 |
DECIMAL_SEPARATOR | '.' |
DEFAULT_CHARSET | 'utf-8' |
DEFAULT_EXCEPTION_REPORTER | 'django.views.debug.ExceptionReporter' |
DEFAULT_EXCEPTION_REPORTER_FILTER | 'django.views.debug.SafeExceptionReporterFilter' |
DEFAULT_FILE_STORAGE | 'django.core.files.storage.FileSystemStorage' |
DEFAULT_FROM_EMAIL | 'webmaster@localhost' |
DEFAULT_HASHING_ALGORITHM | 'sha256' |
DEFAULT_INDEX_TABLESPACE | '' |
DEFAULT_TABLESPACE | '' |
DISALLOWED_USER_AGENTS | [] |
DJANGO_WYSIWYG_FLAVOR | 'ckeditor' |
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_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 | 420 |
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 | ['modeltranslation', 'news', 'schools', 'olympiad', 'Regitser', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'django_wysiwyg', 'ckeditor'] |
INTERNAL_IPS | [] |
LANGUAGES | [('mn', 'Mongolian'), ('en', 'English')] |
LANGUAGES_BIDI | ['he', 'ar', 'ar-dz', 'fa', 'ur'] |
LANGUAGE_CODE | 'mn' |
LANGUAGE_COOKIE_AGE | None |
LANGUAGE_COOKIE_DOMAIN | None |
LANGUAGE_COOKIE_HTTPONLY | False |
LANGUAGE_COOKIE_NAME | 'django_language' |
LANGUAGE_COOKIE_PATH | '/' |
LANGUAGE_COOKIE_SAMESITE | None |
LANGUAGE_COOKIE_SECURE | False |
LOCALE_PATHS | ['/home/hippo/locale'] |
LOGGING | {} |
LOGGING_CONFIG | 'logging.config.dictConfig' |
LOGIN_REDIRECT_URL | '/accounts/profile/' |
LOGIN_URL | '/accounts/login/' |
LOGOUT_REDIRECT_URL | None |
MANAGERS | [] |
MEDIA_ROOT | 'media' |
MEDIA_URL | '/media/' |
MESSAGE_STORAGE | 'django.contrib.messages.storage.fallback.FallbackStorage' |
MIDDLEWARE | ['django.middleware.security.SecurityMiddleware', '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 | {} |
MODELTRANSLATION_DEFAULT_LANGUAGE | 'mn' |
MODELTRANSLATION_LANGUAGES | ('mn', 'en') |
MONTH_DAY_FORMAT | 'F j' |
NUMBER_GROUPING | 0 |
PASSWORD_HASHERS | '********************' |
PASSWORD_RESET_TIMEOUT | '********************' |
PASSWORD_RESET_TIMEOUT_DAYS | '********************' |
PREPEND_WWW | False |
ROOT_URLCONF | 'backend_hippo.urls' |
SECRET_KEY | '********************' |
SECURE_BROWSER_XSS_FILTER | False |
SECURE_CONTENT_TYPE_NOSNIFF | True |
SECURE_HSTS_INCLUDE_SUBDOMAINS | False |
SECURE_HSTS_PRELOAD | False |
SECURE_HSTS_SECONDS | 0 |
SECURE_PROXY_SSL_HEADER | None |
SECURE_REDIRECT_EXEMPT | [] |
SECURE_REFERRER_POLICY | 'same-origin' |
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_SAMESITE | 'Lax' |
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 | 'backend_hippo.settings' |
SHORT_DATETIME_FORMAT | 'm/d/Y P' |
SHORT_DATE_FORMAT | 'm/d/Y' |
SIGNING_BACKEND | 'django.core.signing.TimestampSigner' |
SILENCED_SYSTEM_CHECKS | [] |
STATICFILES_DIRS | ('static',) |
STATICFILES_FINDERS | ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder'] |
STATICFILES_STORAGE | 'django.contrib.staticfiles.storage.StaticFilesStorage' |
STATIC_ROOT | '/var/www/hippo.mn/static/' |
STATIC_URL | '/static/' |
TEMPLATES | [{'APP_DIRS': True, 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': ['/home/hippo/templates'], 'OPTIONS': {'context_processors': ['django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages', 'olympiad.cont.google', 'django.template.context_processors.i18n']}}] |
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/Ulaanbaatar' |
USE_I18N | True |
USE_L10N | False |
USE_THOUSAND_SEPARATOR | False |
USE_TZ | True |
USE_X_FORWARDED_HOST | False |
USE_X_FORWARDED_PORT | False |
WSGI_APPLICATION | 'backend_hippo.wsgi.application' |
X_FRAME_OPTIONS | 'DENY' |
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.