使用uWSGI启动Django项目时遇python_plugin.so加载失败等错误

Hey there! Let's work through the two main errors you're hitting when trying to start your Django project with uWSGI.

1. Resolving the python_plugin.so Not Found Error #

The first error !!! UNABLE to load uWSGI plugin: dlopen(./python_plugin.so, 10): image not found !!! happens because uWSGI can't locate the Python plugin, or you might not even need to specify it if you're using a virtual environment. Here's how to fix it:

• Reinstall uWSGI in your virtual environment (most reliable fix):
  First, uninstall the existing uWSGI instance:

  pip uninstall uwsgi
  

  Then reinstall it within your activated virtual environment:

  source venv/bin/activate
  pip install uwsgi
  

  When you install uWSGI via pip in your venv, it compiles against your virtual environment's Python version, so you won't need to add the --plugin python flag anymore. Your simplified command will be:

  uwsgi --http :8000 --module myProject.wsgi
  

• If you still need to specify the plugin path (less common):
  If for some reason you have to use the --plugin flag, find the actual path to the Python plugin file. You can locate it by running:

  find /path/to/venv -name "python_plugin.so"
  

  Then update your uWSGI command to use the full path:

  uwsgi --http :8000 --plugin /path/to/python_plugin.so --module myProject.wsgi
  

2. Fixing the AppRegistryNotReady: Apps aren't loaded yet Error #

This error occurs because you're importing modules that depend on Django models before Django has finished loading its apps. Looking at your traceback, the issue starts in wsgi.py where you import sio from your views, which in turn imports a User model.

Here's the fix:

• Adjust the import order in your wsgi.py:
  Your wsgi.py should first initialize Django's WSGI application, then import any modules that rely on Django models. Update it to look like this:

  import os
  from django.core.wsgi import get_wsgi_application
  
  # Set the Django settings module
  os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myProject.settings')
  
  # Initialize Django's application first
  application = get_wsgi_application()
  
  # Now import the sio module (after Django is ready)
  from admin_website_chat.views import sio
  

  By moving the import of sio after application = get_wsgi_application(), you ensure Django has fully loaded all apps and models before trying to access them.

Putting It All Together #

After making these changes, activate your virtual environment again and run the simplified uWSGI command:

source venv/bin/activate
uwsgi --http :8000 --module myProject.wsgi

This should resolve both errors and get your Django project running with uWSGI.

内容的提问来源于stack exchange，提问作者sof-03