Django：在部署时通过模板引擎呈现静态文件

I want to render some static files (*.js in particularly) using Django template variables. I believe this is a common use-case, especially when doing anything AJAX-y; I don't want to hardcode AJAX urls in my .js files any more than I want to hardcode them in my .html files. Buuuut of course I don't want those static files to have to run through the template engine at every client request because this will be slow. I am referring to things like URLs (which do not change after compile/deploy) or static (non-db) model attributes. (I suppose there are use cases where these things might be changed at run-time - this is Python, after all- but I think they are uncommon). For some possible template variables (e.g. model fields), of course the file must be rendered at the time of the client request, but this is not what I'm talking about. I want to render some static files (*.js in par