Asyncio事件NotImplementedError

Question

Python3.8 windows OS 10 Django 3.0

我已经从3.6.8升级到python3.8，但是当我启动django项目时，我得到了以下错误。通过快速查看跟踪，似乎在扭曲包中的异步程序文件出现了一些问题。任何解决方案，这或它是已知的错误。

> C:\Users\user\Desktop\WorkingPy38\Current> python manage.py
> runserver 127.0.0.1:8080 Exception in thread django-main-thread:
> Traceback (most recent call last):   File
> "C:\Users\user\AppData\Local\Programs\Python\Python38\Lib\threading.py",
> line 932, in _bootstrap_inner
>     self.run()   File "C:\Users\user\AppData\Local\Programs\Python\Python38\Lib\threading.py",
> line 870, in run
>     self._target(*self._args, **self._kwargs)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\utils\autoreload.py",
> line 53, in wrapper  
>     fn(*args, **kwargs)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\core\management\commands\runserver.py",
> line 109, in inner_run
>     autoreload.raise_last_exception()   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\utils\autoreload.py",
> line 76, in raise_last_exception
>     raise _exception[1]   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\core\management\__init__.py",
> line 357, in  execute
>     autoreload.check_errors(django.setup)()   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\utils\autoreload.py",
> line 53, in wrapper  
>     fn(*args, **kwargs)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\__init__.py",
> line 24, in setup
>     apps.populate(settings.INSTALLED_APPS)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\apps\registry.py",
> line 91, in populate    
>     app_config = AppConfig.create(entry)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\django\apps\config.py",
> line 116, in create       
>     mod = import_module(mod_path)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\importlib\__init__.py",
> line 127, in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)   File "<frozen importlib._bootstrap>", line 1014, in _gcd_import   File
> "<frozen importlib._bootstrap>", line 991, in _find_and_load   File
> "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked 
> File "<frozen importlib._bootstrap>", line 671, in _load_unlocked  
> File "<frozen importlib._bootstrap_external>", line 783, in
> exec_module   File "<frozen importlib._bootstrap>", line 219, in
> _call_with_frames_removed   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\channels\apps.py",
> line 6, in <module>
>     import daphne.server   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\daphne\server.py",
> line 18, in <module>
>     asyncioreactor.install()   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\twisted\internet\asyncioreactor.py",
> line 320, in  install
>     reactor = AsyncioSelectorReactor(eventloop)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\twisted\internet\asyncioreactor.py",
> line 69, in __init__
>     super().__init__()   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\twisted\internet\base.py",
> line 571, in __init__  
>     self.installWaker()   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\twisted\internet\posixbase.py",
> line 286, in installWaker
>     self.addReader(self.waker)   File "C:\Users\user\.virtualenvs\Current-lgPmbAD0\lib\site-packages\twisted\internet\asyncioreactor.py",
> line 151, in  addReader
>     self._asyncioEventloop.add_reader(fd, callWithLogger, reader,   File
> "C:\Users\user\AppData\Local\Programs\Python\Python38\Lib\asyncio\events.py",
> line 501, in add_reader
>     raise NotImplementedError

Answer 1

我用这个解决了这个问题

AsyncioReactor_Modify

以及https://github.com/django/channels/issues/969和andrewgodwin(频道.)说

显然是要在Windows下创建UNIX，它永远不会运行