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django上下文处理器

[英]django context processor

原文 2013-02-12 20:01:43 9 1 django

I have a bunch of variables that need to be available to the view for all templates. 我有一堆变量需要可供所有模板的视图使用。 It seems the best choice would be a context processor. 似乎最好的选择是上下文处理器。

The documentation says: 文件说：

A context processor has a very simple interface: It's just a Python function that takes one argument, an HttpRequest object, and returns a dictionary that gets added to the template context. 上下文处理器有一个非常简单的接口：它只是一个Python函数，它接受一个参数，一个HttpRequest对象，并返回一个被添加到模板上下文的字典。 Each context processor must return a dictionary. 每个上下文处理器必须返回一个字典

If I need to do more advanced lookups, can I define other functions? 如果我需要进行更高级的查找，我可以定义其他功能吗？ Do the functions need to be in a class? 这些功能需要在课堂上吗？ I was thinking of creating a file named context_processors.py in my app folder. 我想在我的app文件夹中创建一个名为context_processors.py文件。

1 个解决方案

You can define other functions, and the functions don't need to be in a class. 您可以定义其他函数，并且函数不需要在类中。

Typically people put their context processors into a context_processors.py like you're thinking of as functions, and then name them all in settings.TEMPLATE_CONTEXT_PROCESSORS . 通常人们将他们的上下文处理器放入context_processors.py就像你想象的那样是函数，然后在settings.TEMPLATE_CONTEXT_PROCESSORS中将它们全部命名。

For example, here's an app that has the context_processors.py inside it: django-seo . 例如，这是一个内置了context_processors.py的应用程序： django-seo 。