所以我正在尝试为我的项目制作一个 Django 后端。这是我第一次做这样的事情,所以当我收到 CORS 错误时(CORS 策略:请求的资源上不存在“Access-Control-Allow-Origin”标头。如果不透明响应满足您的需求,请设置请求的模式到“no-cors”以在禁用 CORS 的情况下获取资源。)我用 Google 搜索了该怎么做。 按照文档执行步骤后,尝试运行“python manage.py runserver”时出现以下错误。
C:\Users\Bence\Documents\Programozás-tanulás\web50\final project\benefactum>python manage.py runserver
Watching for file changes with StatReloader
Exception in thread django-main-thread:
Traceback (most recent call last):
File "C:\Python310\lib\threading.py", line 1009, in _bootstrap_inner
self.run()
File "C:\Python310\lib\threading.py", line 946, in run
self._target(*self._args, **self._kwargs)
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\utils\autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\core\management\commands\runserver.py", line 115, in inner_run
autoreload.raise_last_exception()
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\utils\autoreload.py", line 87, in raise_last_exception
raise _exception[1]
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\core\management\__init__.py", line 381, in execute
autoreload.check_errors(django.setup)()
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\utils\autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\apps\registry.py", line 114, in populate
app_config.import_models()
File "C:\Users\Bence\AppData\Roaming\Python\Python310\site-packages\django\apps\config.py", line 300, in import_models
self.models_module = import_module(models_module_name)
File "C:\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 "C:\Python310\lib\site-packages\corsheaders\models.py", line 4, in <module>
from .signals import check_request_enabled # noqa
File "C:\Python310\lib\site-packages\corsheaders\signals.py", line 5, in <module>
check_request_enabled = django.dispatch.Signal(
TypeError: Signal.__init__() got an unexpected keyword argument 'providing_args'
我已按照文档完成了以下步骤:
问题是否与我添加 cors-headers 有关?我只是假设,因为它在我之前就已经工作了。任何帮助将不胜感激!
providing_args
kwarg 在 Django 4.0 中被删除。
如果您正确安装了 django-cors-headers 3.10.1,则不可能发生这种情况,因为 此问题已在 3.3 中修复。此外,回溯中的 行在库的 3.10.1 版本中不存在。
AppData\Roaming\Python\Python310
中,另一个在
C:\Python310
中。您需要先清理它。