How do web templates separate content and logic?

[Sebastian "lunar" Wiesner]

John Salerno <johnjsal at NOSPAMgmail.com>:

> But when you have a templating system that mixes HTML and Python code, how
> is this helping to keep things separate? 

You don't.  Normally you embed only the code, that is absolutely necessary,
e.g. for iterating over a list.

Consider an online shop, that needs to do display a list of articles. 
Inside the template, you would iterate over a list of and query attributes
of "Article" object to render the information as HTML.  You would _not_
create a database connection, parse search parameters, find matching
articles and create a list of them.  That's the job of the controller
inside the web app.

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