问题描述
在Django开始监听传入连接之前,我需要在Django应用程序启动时运行我的代码.在第一个HTTP请求上运行我的代码还不够好.当我使用Gunicorn时,我的代码必须在派生之前在父进程中运行.
I need my code run at Django application startup, before Django starts listening for incoming connections. Running my code upon the first HTTP request is not good enough. When I use Gunicorn, my code must run in the parent process, before it forks.
https://stackoverflow.com/a/2781488/97248 在Django 1.4中似乎不起作用. 2:在收到第一个请求之前,它不会运行中间件的__init__
方法.同上,将代码添加到urls.py
.
https://stackoverflow.com/a/2781488/97248 doesn't seem to work in Django 1.4.2: it doesn't run the Middleware's __init__
method until the first request is received. Ditto for adding code to urls.py
.
快速的Google搜索没有发现任何有用的信息.
A quick Google search didn't reveal anything useful.
推荐答案
这很旧,但在Gunicorn 19.0及更高版本中,您可以创建自定义脚本来运行您的应用程序,并在其中包含所需的启动代码.这是使用Django应用程序的示例脚本:
This is old but in Gunicorn version 19.0 and above, you can create a custom script to run your application and include the startup code that you need there. Here is an example script using a django app:
#!/usr/bin/env python
"""
Script for running Gunicorn using our WSGI application
"""
import multiprocessing
from gunicorn.app.base import BaseApplication
from myapp.wsgi import application # Must be imported first
class StandaloneApplication(BaseApplication):
"""Our Gunicorn application."""
def __init__(self, app, options=None):
self.options = options or {}
self.application = app
super().__init__()
def load_config(self):
config = {
key: value for key, value in self.options.items()
if key in self.cfg.settings and value is not None
}
for key, value in config.items():
self.cfg.set(key.lower(), value)
def load(self):
return self.application
if __name__ == '__main__':
gunicorn_options = {
'bind': '0.0.0.0:8080',
'workers': (multiprocessing.cpu_count() * 2) + 1,
}
# Your startup code here
StandaloneApplication(application, gunicorn_options).run()
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