'NoneType' object has no attribute 'pdf_file'
Request Method: | GET |
---|---|
Request URL: | https://aarhat.com/download-article/2092/ |
Django Version: | 4.0.2 |
Exception Type: | AttributeError |
Exception Value: | 'NoneType' object has no attribute 'pdf_file' |
Exception Location: | /home/ubuntu/aarhat-publication/core/views/journal_views.py, line 45, in get |
Python Executable: | /home/ubuntu/aarhat-publication/venv/bin/python3.9 |
Python Version: | 3.9.16 |
Python Path: | ['/home/ubuntu/aarhat-publication', '/home/ubuntu/aarhat-publication/venv/bin', '/usr/lib/python39.zip', '/usr/lib/python3.9', '/usr/lib/python3.9/lib-dynload', '/home/ubuntu/aarhat-publication/venv/lib/python3.9/site-packages'] |
Server time: | Fri, 29 Mar 2024 08:49:13 +0000 |
/home/ubuntu/aarhat-publication/venv/lib/python3.9/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 | AttributeError("'NoneType' object has no attribute 'pdf_file'") |
get_response | <bound method BaseHandler._get_response of <django.core.handlers.wsgi.WSGIHandler object at 0x7f8205906c40>> |
request | <WSGIRequest: GET '/download-article/2092/'> |
/home/ubuntu/aarhat-publication/venv/lib/python3.9/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 View.as_view.<locals>.view at 0x7f8204c3f790> |
callback_args | () |
callback_kwargs | {'article_id': '2092'} |
middleware_method | <bound method CsrfViewMiddleware.process_view of <CsrfViewMiddleware get_response=convert_exception_to_response.<locals>.inner>> |
request | <WSGIRequest: GET '/download-article/2092/'> |
response | None |
self | <django.core.handlers.wsgi.WSGIHandler object at 0x7f8205906c40> |
wrapped_callback | <function View.as_view.<locals>.view at 0x7f8204c3f790> |
/home/ubuntu/aarhat-publication/venv/lib/python3.9/site-packages/django/views/generic/base.py
, line 69, in view
self = cls(**initkwargs)
self.setup(request, *args, **kwargs)
if not hasattr(self, 'request'):
raise AttributeError(
"%s instance has no 'request' attribute. Did you override "
"setup() and forget to call super()?" % cls.__name__
)
return self.dispatch(request, *args, **kwargs)…
view.view_class = cls
view.view_initkwargs = initkwargs
# __name__ and __qualname__ are intentionally left unchanged as
# view_class should be used to robustly determine the name of the view
# instead.
Variable | Value |
---|---|
args | () |
cls | <class 'core.views.journal_views.DownloadArticleView'> |
initkwargs | {} |
kwargs | {'article_id': '2092'} |
request | <WSGIRequest: GET '/download-article/2092/'> |
self | <core.views.journal_views.DownloadArticleView object at 0x7f8204a3afa0> |
/home/ubuntu/aarhat-publication/venv/lib/python3.9/site-packages/django/views/generic/base.py
, line 101, in dispatch
# Try to dispatch to the right method; if a method doesn't exist,
# defer to the error handler. Also defer to the error handler if the
# request method isn't on the approved list.
if request.method.lower() in self.http_method_names:
handler = getattr(self, request.method.lower(), self.http_method_not_allowed)
else:
handler = self.http_method_not_allowed
return handler(request, *args, **kwargs)…
def http_method_not_allowed(self, request, *args, **kwargs):
logger.warning(
'Method Not Allowed (%s): %s', request.method, request.path,
extra={'status_code': 405, 'request': request}
)
Variable | Value |
---|---|
args | () |
handler | <bound method DownloadArticleView.get of <core.views.journal_views.DownloadArticleView object at 0x7f8204a3afa0>> |
kwargs | {'article_id': '2092'} |
request | <WSGIRequest: GET '/download-article/2092/'> |
self | <core.views.journal_views.DownloadArticleView object at 0x7f8204a3afa0> |
/home/ubuntu/aarhat-publication/core/views/journal_views.py
, line 45, in get
}
return render(request, self.template_name, data)
class DownloadArticleView(View):
def get(self, request, article_id=None):
article = Article.get_or_none(id=article_id)
file_location = settings.BASE_DIR / article.pdf_file.url[1:] # to remove leading slash for e.g /media, /folder-name…
try:
with open(file_location, 'rb') as f:
file_data = f.read()
# sending response
Variable | Value |
---|---|
article | None |
article_id | '2092' |
request | <WSGIRequest: GET '/download-article/2092/'> |
self | <core.views.journal_views.DownloadArticleView object at 0x7f8204a3afa0> |
AnonymousUser
No GET data
No POST data
No FILES data
No cookie data
Variable | Value |
---|---|
HTTP_ACCEPT | '*/*' |
HTTP_CONNECTION | 'close' |
HTTP_HOST | 'aarhat.com' |
HTTP_USER_AGENT | 'claudebot' |
HTTP_X_FORWARDED_FOR | '3.235.120.15' |
HTTP_X_FORWARDED_PROTO | 'https' |
HTTP_X_REAL_IP | '3.235.120.15' |
PATH_INFO | '/download-article/2092/' |
QUERY_STRING | '' |
RAW_URI | '/download-article/2092/' |
REMOTE_ADDR | '' |
REQUEST_METHOD | 'GET' |
SCRIPT_NAME | '' |
SERVER_NAME | 'aarhat.com' |
SERVER_PORT | '443' |
SERVER_PROTOCOL | 'HTTP/1.0' |
SERVER_SOFTWARE | 'gunicorn/20.1.0' |
gunicorn.socket | <socket.socket fd=9, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0, laddr=/home/ubuntu/aarhat-publication.sock> |
wsgi.errors | <gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f8204d34070> |
wsgi.file_wrapper | <class 'gunicorn.http.wsgi.FileWrapper'> |
wsgi.input | <gunicorn.http.body.Body object at 0x7f8204a3aa30> |
wsgi.input_terminated | True |
wsgi.multiprocess | True |
wsgi.multithread | False |
wsgi.run_once | False |
wsgi.url_scheme | 'https' |
wsgi.version | (1, 0) |
aarhat_publication.settings
Setting | Value |
---|---|
ABSOLUTE_URL_OVERRIDES | {} |
ADMINS | [] |
ALLOWED_HOSTS | ['aarhat.com', 'www.aarhat.com', '3.110.33.29'] |
APPEND_SLASH | True |
AUTHENTICATION_BACKENDS | ['django.contrib.auth.backends.ModelBackend'] |
AUTH_PASSWORD_VALIDATORS | '********************' |
AUTH_USER_MODEL | 'auth.User' |
BASE_DIR | PosixPath('/home/ubuntu/aarhat-publication') |
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_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': 'aarhat_db', 'OPTIONS': {}, 'PASSWORD': '********************', 'PORT': '3306', 'TEST': {'CHARSET': None, 'COLLATION': None, 'MIGRATE': True, 'MIRROR': None, 'NAME': None}, 'TIME_ZONE': None, 'USER': 'admin'}} |
DATABASE_ROUTERS | [] |
DATA_UPLOAD_MAX_MEMORY_SIZE | 2621440 |
DATA_UPLOAD_MAX_NUMBER_FIELDS | None |
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 | '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 |
DECIMAL_SEPARATOR | '.' |
DEFAULT_AUTO_FIELD | 'django.db.models.BigAutoField' |
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_INDEX_TABLESPACE | '' |
DEFAULT_TABLESPACE | '' |
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_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' |
GRAPPELLI_ADMIN_TITLE | 'Aarhat Publication' |
GRAPPELLI_AUTOCOMPLETE_LIMIT | 10 |
IGNORABLE_404_URLS | [] |
INSTALLED_APPS | ['grappelli', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'nested_admin', 'tinymce', 'core'] |
INTERNAL_IPS | [] |
LANGUAGES | [('af', 'Afrikaans'), ('ar', 'Arabic'), ('ar-dz', 'Algerian Arabic'), ('ast', 'Asturian'), ('az', 'Azerbaijani'), ('bg', 'Bulgarian'), ('be', 'Belarusian'), ('bn', 'Bengali'), ('br', 'Breton'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('cs', 'Czech'), ('cy', 'Welsh'), ('da', 'Danish'), ('de', 'German'), ('dsb', 'Lower Sorbian'), ('el', 'Greek'), ('en', 'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'), ('eo', 'Esperanto'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('es-co', 'Colombian Spanish'), ('es-mx', 'Mexican Spanish'), ('es-ni', 'Nicaraguan Spanish'), ('es-ve', 'Venezuelan Spanish'), ('et', 'Estonian'), ('eu', 'Basque'), ('fa', 'Persian'), ('fi', 'Finnish'), ('fr', 'French'), ('fy', 'Frisian'), ('ga', 'Irish'), ('gd', 'Scottish Gaelic'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hsb', 'Upper Sorbian'), ('hu', 'Hungarian'), ('hy', 'Armenian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('ig', 'Igbo'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('kk', 'Kazakh'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('ky', 'Kyrgyz'), ('lb', 'Luxembourgish'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('mr', 'Marathi'), ('ms', 'Malay'), ('my', 'Burmese'), ('nb', 'Norwegian Bokmål'), ('ne', 'Nepali'), ('nl', 'Dutch'), ('nn', 'Norwegian Nynorsk'), ('os', 'Ossetic'), ('pa', 'Punjabi'), ('pl', 'Polish'), ('pt', 'Portuguese'), ('pt-br', 'Brazilian Portuguese'), ('ro', 'Romanian'), ('ru', 'Russian'), ('sk', 'Slovak'), ('sl', 'Slovenian'), ('sq', 'Albanian'), ('sr', 'Serbian'), ('sr-latn', 'Serbian Latin'), ('sv', 'Swedish'), ('sw', 'Swahili'), ('ta', 'Tamil'), ('te', 'Telugu'), ('tg', 'Tajik'), ('th', 'Thai'), ('tk', 'Turkmen'), ('tr', 'Turkish'), ('tt', 'Tatar'), ('udm', 'Udmurt'), ('uk', 'Ukrainian'), ('ur', 'Urdu'), ('uz', 'Uzbek'), ('vi', 'Vietnamese'), ('zh-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')] |
LANGUAGES_BIDI | ['he', 'ar', 'ar-dz', 'fa', 'ur'] |
LANGUAGE_CODE | 'en-us' |
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 | [] |
LOGGING | {} |
LOGGING_CONFIG | 'logging.config.dictConfig' |
LOGIN_REDIRECT_URL | '/accounts/profile/' |
LOGIN_URL | '/accounts/login/' |
LOGOUT_REDIRECT_URL | None |
MANAGERS | [] |
MEDIA_ROOT | PosixPath('/home/ubuntu/aarhat-publication/media') |
MEDIA_URL | '/media/' |
MESSAGE_STORAGE | 'django.contrib.messages.storage.fallback.FallbackStorage' |
MIDDLEWARE | ['django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', '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 | '********************' |
PREPEND_WWW | False |
ROOT_URLCONF | 'aarhat_publication.urls' |
SECRET_KEY | '********************' |
SECURE_CONTENT_TYPE_NOSNIFF | True |
SECURE_CROSS_ORIGIN_OPENER_POLICY | 'same-origin' |
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 | 'aarhat_publication.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 | [] |
STATICFILES_FINDERS | ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder'] |
STATICFILES_STORAGE | 'django.contrib.staticfiles.storage.StaticFilesStorage' |
STATIC_ROOT | PosixPath('/home/ubuntu/aarhat-publication/static') |
STATIC_URL | '/static/' |
TEMPLATES | [{'APP_DIRS': True, 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [], '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']}}] |
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 | 'UTC' |
USE_DEPRECATED_PYTZ | 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 | 'aarhat_publication.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.