在Django视图中用BR标签替换纯文本中的换行符

Question

Django provides linebreaks template tag which works similarly to a PHP function nl2br .

It works well, however it processes the given text with every request, what is a waste of resources. I would rather do it once, before saving it to a database.

Is there any equivalent function to use in a Django view?

Answer 1

linebreaks模板标记只是django.utils.html的换行符包装，因此您可以直接使用它。

Answer 2

Actually, if you are storing it in a database... then the resulting extra query is going to add WAY more overhead to your request response cycle than you would be saving by caching the output of some rather efficient Python text transformation.

A better solution would be caching the view. Django has lots of support for very flexible caching arrangements .

Don't be the premature optimization guy or gal . Especially such tiny optimizations. Most of your request response cycle is spent waiting for the database or in network latency.