django - Docker + django_extensions + jupyter: OSError: [Errno 99] 无法分配请求的地址
问题描述
我正在尝试jupyter
在包含 Django 应用程序的容器中进行设置。我正在使用django-extensions
以利用该shell_plus
命令。但是,当我运行它时:
docker-compose exec app python manage.py shell_plus --notebook
我收到以下错误:
Traceback (most recent call last):
File "manage.py", line 21, in <module>
main()
File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.8/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.8/site-packages/django/core/management/__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.8/site-packages/django_extensions/management/commands/shell_plus.py", line 125, in run_from_argv
return super(Command, self).run_from_argv(argv)
File "/usr/local/lib/python3.8/site-packages/django/core/management/base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.8/site-packages/django/core/management/base.py", line 369, in execute
output = self.handle(*args, **options)
File "/usr/local/lib/python3.8/site-packages/django_extensions/management/utils.py", line 62, in inner
ret = func(self, *args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/django_extensions/management/commands/shell_plus.py", line 517, in handle
shell()
File "/usr/local/lib/python3.8/site-packages/django_extensions/management/commands/shell_plus.py", line 253, in run_notebook
app.initialize(notebook_arguments)
File "<decorator-gen-117>", line 2, in initialize
File "/usr/local/lib/python3.8/site-packages/traitlets/config/application.py", line 87, in catch_config_error
return method(app, *args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/notebook/notebookapp.py", line 1769, in initialize
self.init_webapp()
File "/usr/local/lib/python3.8/site-packages/notebook/notebookapp.py", line 1490, in init_webapp
self.http_server.listen(port, self.ip)
File "/usr/local/lib/python3.8/site-packages/tornado/tcpserver.py", line 151, in listen
sockets = bind_sockets(port, address=address)
File "/usr/local/lib/python3.8/site-packages/tornado/netutil.py", line 174, in bind_sockets
sock.bind(sockaddr)
OSError: [Errno 99] Cannot assign requested address
解决方案
我能够弄清楚。需要传递一些额外的笔记本参数才能django-extensions
使用NOTEBOOK_KERNEL_SPEC_NAMES
:
NOTEBOOK_ARGUMENTS = [
"--ip", "0.0.0.0",
"--port", "8888",
"--allow-root"
]
您还需要DJANGO_ALLOW_ASYNC_UNSAFE
使用 value 添加到环境变量中True
。否则,在尝试使用 Django ORM 执行查询时会出错。
另外,确保在容器中暴露端口。就我而言,我使用的是 a docker-compose.yml
,所以它将是:
ports:
- 8000:8000
- 8888:8888 # this is the port at which notebook runs
设置好之后,运行以下命令就像一个魅力:
docker-compose exec app python manage.py shell_plus --notebook
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