我应该在Django框架中放置一次性操作？ [英] Where should I place the one-time operation operation in the Django framework?

问题描述

我想执行一些一次性操作，如启动后台线程，并在Django服务器启动时作为初始化操作，每30分钟填充一个缓存，因此它不会阻止用户访问该网站。我应该在Django中放置所有这些代码？

I want to perform some one-time operations such as to start a background thread and populate a cache every 30 minutes as initialize action when the Django server is started, so it will not block user from visiting the website. Where should I place all this code in Django?

• 将它们放入setting.py文件不起作用。它似乎会导致循环依赖。


• 将它们放入 __ init __。py 文件不起作用。 Django服务器多次呼叫（原因是什么？）

• Put them into the setting.py file does not work. It seems it will cause a circular dependency.
• Put them into the __init__.py file does not work. Django server call it many times (What is the reason?)

推荐答案

脚本并安排它们与cron。诚然，这是一个低科技，但它只是工作。只需将其放置在项目顶层目录的脚本的顶部，并根据需要调用。

I just create standalone scripts and schedule them with cron. Admittedly it's a bit low-tech, but It Just Works. Just place this at the top of a script in your projects top-level directory and call as needed.

#!/usr/bin/env python
from django.core.management import setup_environ
import settings
setup_environ(settings)
from django.db import transaction

# random interesting things
# If you change the database, make sure you use this next line
transaction.commit_unless_managed()

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