[英]Django Runtime error model explicit app_name
I am using Python3 and django with django rest framework.我正在使用 Python3 和 django 和 django rest 框架。 Actually I am new to django and I am having error while creating models.实际上我是 django 的新手,我在创建模型时遇到错误。
Here is the error:这是错误:
Traceback (most recent call last):
File "E:\Python\Website\deployment\portfolio\manage.py", line 22, in <module>
main()
File "E:\Python\Website\deployment\portfolio\manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 425, in execute_from_command_line
utility.execute()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 419, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 373, in run_from_argv
self.execute(*args, **cmd_options)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 412, in execute
self.check()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 438, in check
all_issues = checks.run_checks(
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\registry.py", line 77, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 13, in check_url_config
return check_resolver(resolver)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 23, in check_resolver
return check_method()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 446, in check
for pattern in self.url_patterns:
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 632, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 625, in urlconf_module
return import_module(self.urlconf_name)
File "C:\Users\Dell\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "E:\Python\Website\deployment\portfolio\portfolio\urls.py", line 5, in <module>
from home import urls
File "E:\Python\Website\deployment\portfolio\home\urls.py", line 2, in <module>
from home.views import BlogDetailView, BlogListView, CommentDetailView, CommentListView, PortfolioDetailView, PortfolioListView, home
File "E:\Python\Website\deployment\portfolio\home\views.py", line 2, in <module>
from home.models import Blog, Comment, Portfolio
File "E:\Python\Website\deployment\portfolio\home\models.py", line 4, in <module>
class Portfolio(models.Model):
File "E:\Python\Website\deployment\venv\lib\site-packages\django\db\models\base.py", line 113, in __new__
raise RuntimeError(
RuntimeError: Model class home.models.Portfolio doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS.
(venv) PS E:\Python\Website\deployment\portfolio> python .\manage.py makemigrations
Traceback (most recent call last):
File "E:\Python\Website\deployment\portfolio\manage.py", line 22, in <module>
main()
File "E:\Python\Website\deployment\portfolio\manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 425, in execute_from_command_line
utility.execute()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 419, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 373, in run_from_argv
self.execute(*args, **cmd_options)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 412, in execute
self.check()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 438, in check
all_issues = checks.run_checks(
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\registry.py", line 77, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 13, in check_url_config
return check_resolver(resolver)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 23, in check_resolver
return check_method()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 446, in check
for pattern in self.url_patterns:
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 632, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 625, in urlconf_module
return import_module(self.urlconf_name)
File "C:\Users\Dell\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
(venv) PS E:\Python\Website\deployment\portfolio> python .\manage.py makemigrations
Traceback (most recent call last):
File "E:\Python\Website\deployment\portfolio\manage.py", line 22, in <module>
main()
File "E:\Python\Website\deployment\portfolio\manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 425, in execute_from_command_line
utility.execute()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\__init__.py", line 419, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 373, in run_from_argv
self.execute(*args, **cmd_options)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 412, in execute
self.check()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\management\base.py", line 438, in check
all_issues = checks.run_checks(
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\registry.py", line 77, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 13, in check_url_config
return check_resolver(resolver)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\core\checks\urls.py", line 23, in check_resolver
return check_method()
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 446, in check
for pattern in self.url_patterns:
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 632, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "E:\Python\Website\deployment\venv\lib\site-packages\django\urls\resolvers.py", line 625, in urlconf_module
return import_module(self.urlconf_name)
File "C:\Users\Dell\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "E:\Python\Website\deployment\portfolio\portfolio\urls.py", line 5, in <module>
from home import urls
File "E:\Python\Website\deployment\portfolio\home\urls.py", line 2, in <module>
from home.views import BlogDetailView, BlogListView, CommentDetailView, CommentListView, PortfolioDetailView, PortfolioListView, home
File "E:\Python\Website\deployment\portfolio\home\views.py", line 2, in <module>
from home.models import Blog, Comment, Portfolio
File "E:\Python\Website\deployment\portfolio\home\models.py", line 4, in <module>
class Portfolio(models.Model):
File "E:\Python\Website\deployment\venv\lib\site-packages\django\db\models\base.py", line 113, in __new__
raise RuntimeError(
RuntimeError: Model class home.models.Portfolio doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS.
I checked some of the solutions and saw everyone is saying I have to add我检查了一些解决方案,看到每个人都说我必须添加
'django.contrib.sites',
SITE_ID = 1
in settings.py file.在 settings.py 文件中。 I have added those but they are still not working.我已经添加了这些,但它们仍然无法正常工作。 Please help.请帮忙。
The error seems to occur because you've not added your application to the INSTALLED_APPS list.该错误似乎是因为您尚未将应用程序添加到 INSTALLED_APPS 列表中。
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