Lesson matching query does not exist.
Request Method: | GET |
---|---|
Request URL: | https://webmonstr.com/ua/student/detail/lesson/15 |
Django Version: | 3.0.7 |
Exception Type: | DoesNotExist |
Exception Value: | Lesson matching query does not exist. |
Exception Location: | /home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/db/models/query.py in get, line 415 |
Python Executable: | /usr/bin/uwsgi-core |
Python Version: | 3.10.12 |
Python Path: | ['/home/webmaster/student-board/sb', '.', '', '/usr/lib/python310.zip', '/usr/lib/python3.10', '/usr/lib/python3.10/lib-dynload', '/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages'] |
Server time: | Fri, 29 Mar 2024 15:55:43 +0000 |
/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/core/handlers/exception.py
in inner
This decorator is automatically applied to all middleware to ensure that
no middleware leaks an exception and that the next middleware in the stack
can rely on getting a response instead of an exception.
"""
@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 | DoesNotExist('Lesson matching query does not exist.') |
get_response | <bound method BaseHandler._get_response of <django.core.handlers.wsgi.WSGIHandler object at 0x7f6a211d7670>> |
request | <WSGIRequest: GET '/ua/student/detail/lesson/15'> |
/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/core/handlers/base.py
in _get_response
break
if response is None:
wrapped_callback = self.make_view_atomic(callback)
try:
response = wrapped_callback(request, *callback_args, **callback_kwargs)
except Exception as e:
response = self.process_exception_by_middleware(e, request)…
# Complain if the view returned None (a common error).
if response is None:
if isinstance(callback, types.FunctionType): # FBV
view_name = callback.__name__
else: # CBV
Variable | Value |
---|---|
callback | <function detail_lesson at 0x7f6a1efbc430> |
callback_args | () |
callback_kwargs | {'lesson': '15'} |
middleware_method | <bound method CsrfViewMiddleware.process_view of <django.middleware.csrf.CsrfViewMiddleware object at 0x7f6a1f9c6650>> |
request | <WSGIRequest: GET '/ua/student/detail/lesson/15'> |
resolver | <URLResolver 'sb.urls' (None:None) '^/'> |
resolver_match | ResolverMatch(func=student.views.detail_lesson.detail_lesson, args=(), kwargs={'lesson': '15'}, url_name=detail-lesson-student, app_names=[], namespaces=[], route=ua/student/detail/lesson/<str:lesson>) |
response | None |
self | <django.core.handlers.wsgi.WSGIHandler object at 0x7f6a211d7670> |
wrapped_callback | <function detail_lesson at 0x7f6a1efbc430> |
/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/core/handlers/base.py
in _get_response
response = middleware_method(request, callback, callback_args, callback_kwargs)
if response:
break
if response is None:
wrapped_callback = self.make_view_atomic(callback)
try:
response = wrapped_callback(request, *callback_args, **callback_kwargs)…
except Exception as e:
response = self.process_exception_by_middleware(e, request)
# Complain if the view returned None (a common error).
if response is None:
if isinstance(callback, types.FunctionType): # FBV
Variable | Value |
---|---|
callback | <function detail_lesson at 0x7f6a1efbc430> |
callback_args | () |
callback_kwargs | {'lesson': '15'} |
middleware_method | <bound method CsrfViewMiddleware.process_view of <django.middleware.csrf.CsrfViewMiddleware object at 0x7f6a1f9c6650>> |
request | <WSGIRequest: GET '/ua/student/detail/lesson/15'> |
resolver | <URLResolver 'sb.urls' (None:None) '^/'> |
resolver_match | ResolverMatch(func=student.views.detail_lesson.detail_lesson, args=(), kwargs={'lesson': '15'}, url_name=detail-lesson-student, app_names=[], namespaces=[], route=ua/student/detail/lesson/<str:lesson>) |
response | None |
self | <django.core.handlers.wsgi.WSGIHandler object at 0x7f6a211d7670> |
wrapped_callback | <function detail_lesson at 0x7f6a1efbc430> |
/home/webmaster/student-board/sb/./student/views/detail_lesson.py
in detail_lesson
def detail_lesson(request, lesson):
#if not request.user.is_authenticated:
# return redirect('user-login')
lesson = Lesson.objects.get(name_slug=lesson)…
if not Course.is_paid(request.user,lesson):
messages.info(request, 'Для просмотра урока необходима оплата.')
return redirect('prepay', course_id=lesson.course.pk, lesson_id=lesson_id)
topics = Topic.objects.filter(lesson=lesson)
try:
Variable | Value |
---|---|
lesson | '15' |
request | <WSGIRequest: GET '/ua/student/detail/lesson/15'> |
/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/db/models/manager.py
in manager_method
def check(self, **kwargs):
return []
@classmethod
def _get_queryset_methods(cls, queryset_class):
def create_method(name, method):
def manager_method(self, *args, **kwargs):
return getattr(self.get_queryset(), name)(*args, **kwargs)…
manager_method.__name__ = method.__name__
manager_method.__doc__ = method.__doc__
return manager_method
new_methods = {}
for name, method in inspect.getmembers(queryset_class, predicate=inspect.isfunction):
Variable | Value |
---|---|
args | () |
kwargs | {'name_slug': '15'} |
name | 'get' |
self | <django.db.models.manager.Manager object at 0x7f6a1ead6e00> |
/home/webmaster/student-board/sb/venv/lib/python3.10/site-packages/django/db/models/query.py
in get
if not clone.query.select_for_update or connections[clone.db].features.supports_select_for_update_with_limit:
limit = MAX_GET_RESULTS
clone.query.set_limits(high=limit)
num = len(clone)
if num == 1:
return clone._result_cache[0]
if not num:
raise self.model.DoesNotExist(…
"%s matching query does not exist." %
self.model._meta.object_name
)
raise self.model.MultipleObjectsReturned(
'get() returned more than one %s -- it returned %s!' % (
self.model._meta.object_name,
Variable | Value |
---|---|
args | () |
clone | <QuerySet []> |
kwargs | {'name_slug': '15'} |
limit | 21 |
num | 0 |
self | <QuerySet [<Lesson: Робота з git.>, <Lesson: Вирішення типових завдань.>, <Lesson: Віртуальна машина Virtual Box.>, <Lesson: Список категорий товаров.>, <Lesson: Bash. Основні команди.>, <Lesson: Команди bash. Работа в консоли>, <Lesson: Bash. Початок використання.>, <Lesson: Portainer. Початок роботи.>, <Lesson: Робота з AWS.>, <Lesson: Безперервна інтеграція.>, <Lesson: BASH. Аналіз системи.>, <Lesson: Jenkins. Початок роботи.>, <Lesson: Робота із виділеним сервером.>, <Lesson: Скануємо порти на хостах.>, <Lesson: Первинне налаштування сервера.>, <Lesson: Функції.>, <Lesson: Віддалена технологія з Visual Studio Code.>, <Lesson: BASH. Регулярні вирази.>, <Lesson: Процеси.>, <Lesson: Робота з ssh. Користувачі.>, '...(remaining elements truncated)...']> |
AnonymousUser
No GET data
No POST data
No FILES data
No cookie data
Variable | Value |
---|---|
HTTP_ACCEPT | '*/*' |
HTTP_CONNECTION | 'close' |
HTTP_HOST | 'webmonstr.com' |
HTTP_USER_AGENT | 'claudebot' |
HTTP_X_FORWARDED_FOR | '35.153.170.189' |
HTTP_X_FORWARDED_PROTO | 'https' |
HTTP_X_REAL_IP | '35.153.170.189' |
PATH_INFO | '/ua/student/detail/lesson/15' |
QUERY_STRING | '' |
REMOTE_ADDR | '0.0.0.0' |
REQUEST_METHOD | 'GET' |
REQUEST_URI | '/ua/student/detail/lesson/15' |
SCRIPT_NAME | '' |
SERVER_NAME | 'webmonstr' |
SERVER_PORT | '80' |
SERVER_PROTOCOL | 'HTTP/1.0' |
uwsgi.core | 1 |
uwsgi.node | b'webmonstr' |
uwsgi.version | b'2.0.20-debian' |
wsgi.errors | <_io.TextIOWrapper name=2 mode='w' encoding='UTF-8'> |
wsgi.file_wrapper | '' |
wsgi.input | <uwsgi._Input object at 0x7f6a1e9f0e50> |
wsgi.multiprocess | False |
wsgi.multithread | True |
wsgi.run_once | False |
wsgi.url_scheme | 'https' |
wsgi.version | (1, 0) |
sb.settings
Setting | Value |
---|---|
ABSOLUTE_URL_OVERRIDES | {} |
ADMINS | [] |
ALLOWED_HOSTS | ['*'] |
ALL_FREE | True |
APPEND_SLASH | True |
AUTHENTICATION_BACKENDS | ['django.contrib.auth.backends.ModelBackend'] |
AUTH_PASSWORD_VALIDATORS | '********************' |
AUTH_USER_MODEL | 'auth.User' |
BASE_DIR | '/home/webmaster/student-board/sb' |
CACHES | {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}} |
CACHE_MIDDLEWARE_ALIAS | 'default' |
CACHE_MIDDLEWARE_KEY_PREFIX | '********************' |
CACHE_MIDDLEWARE_SECONDS | 600 |
CRISPY_TEMPLATE_PACK | 'bootstrap4' |
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.postgresql_psycopg2', 'HOST': '128.140.2.229', 'NAME': 'sb', 'OPTIONS': {}, 'PASSWORD': '********************', 'PORT': '5432', 'TEST': {'CHARSET': None, 'COLLATION': None, 'MIRROR': None, 'NAME': None}, 'TIME_ZONE': None, 'USER': 'postgres'}} |
DATABASE_ROUTERS | [] |
DATA_DIR | '/home/webmaster/it-course' |
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 |
DECIMAL_SEPARATOR | '.' |
DEFAULT_CHARSET | 'utf-8' |
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 | [] |
DOMAIN | 'https://webmonstr.com' |
EMAIL_ADMIN | '' |
EMAIL_BACKEND | 'django.core.mail.backends.smtp.EmailBackend' |
EMAIL_HOST | 'smtp.gmail.com' |
EMAIL_HOST_PASSWORD | '********************' |
EMAIL_HOST_USER | 'your_account@gmail.com' |
EMAIL_PORT | 587 |
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 | True |
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 | 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 | ['tagging', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'dash', 'student', 'crispy_forms', 'mentor', 'course', 'drf_yasg', 'rest_framework', 'rest_framework.authtoken', 'rosetta', 'loginas'] |
INTERNAL_IPS | [] |
LANGUAGES | [('en', 'English'), ('ru', 'Russian'), ('ua', 'Ukranian')] |
LANGUAGES_BIDI | ['he', 'ar', 'fa', 'ur'] |
LANGUAGE_CODE | 'ua' |
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 |
LIQPAY_PRIVATE_KEY | '********************' |
LIQPAY_PROCESS_URL | 'https://learning.webmonstr.com/liqpay/process' |
LIQPAY_PUBLIC_KEY | '********************' |
LOCALE_PATHS | ['/home/webmaster/student-board/sb/locale'] |
LOGGING | {} |
LOGGING_CONFIG | 'logging.config.dictConfig' |
LOGINAS_REDIRECT_URL | '/' |
LOGIN_REDIRECT_URL | '/accounts/profile/' |
LOGIN_URL | '/accounts/login/' |
LOGOUT_REDIRECT_URL | None |
MANAGERS | [] |
MEDIA_ROOT | '/home/webmaster/student-board/sb/media' |
MEDIA_URL | '/media/' |
MESSAGE_STORAGE | 'django.contrib.messages.storage.fallback.FallbackStorage' |
MIDDLEWARE | ['sb.lang_middleware.ForceDefaultLanguageMiddleware', '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', 'django.middleware.locale.LocaleMiddleware'] |
MIGRATION_MODULES | {} |
MONTH_DAY_FORMAT | 'F j' |
NUMBER_GROUPING | 0 |
PASSWORD_HASHERS | '********************' |
PASSWORD_RESET_TIMEOUT_DAYS | '********************' |
PREPEND_WWW | False |
REST_FRAMEWORK | {'DEFAULT_AUTHENTICATION_CLASSES': ['rest_framework.authentication.SessionAuthentication', 'rest_framework.authentication.BasicAuthentication']} |
ROOT_URLCONF | 'sb.urls' |
ROSETTA_ENABLE_TRANSLATION_SUGGESTIONS | True |
ROSETTA_MESSAGES_SOURCE_LANGUAGE_CODE | 'en' |
ROSETTA_MESSAGES_SOURCE_LANGUAGE_NAME | 'English' |
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 | None |
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 | 'sb.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 | ['/home/webmaster/student-board/sb/static'] |
STATICFILES_FINDERS | ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder'] |
STATICFILES_STORAGE | 'django.contrib.staticfiles.storage.StaticFilesStorage' |
STATIC_ROOT | None |
STATIC_URL | '/static/' |
TEMPLATES | [{'APP_DIRS': True, 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': ['/home/webmaster/student-board/sb/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', 'sb.context_processor.roles_processor']}}] |
TEST_MODE | 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 | 'UTC' |
USE_I18N | True |
USE_L10N | True |
USE_THOUSAND_SEPARATOR | False |
USE_TZ | False |
USE_X_FORWARDED_HOST | False |
USE_X_FORWARDED_PORT | False |
VIDEO_DIR | '/home/zdimon/Videos/course-data' |
WSGI_APPLICATION | 'sb.wsgi.application' |
X_FRAME_OPTIONS | 'DENY' |
YANDEX_TRANSLATE_KEY | '********************' |
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.