[ZPT] forcing a string to be a path

[Jean-Philippe Rey]

Adam wrote:

> I am attempting to include different content based on a variable in the
> url, fish?content=trout.  In my template doing something like:
> 
> <span tal:replace="structure request/content">content goes here</span>
> 
> ends up replacing the tag with the string "trout" instead of the
> contents of the file named trout.  I thought I could work around this by
> forcing it to be interpreted as a path using path:request/content, but
> that didn't actually change anything.  Is there a way to include a file
> based on a variable like this?

This works

<span tal:replace="structure python:here.restrictedTraverse(request.content)">

This should also work

<span tal:replace="structure python:path('here/' + request.content)">

With the first solution you won't have an error if your content doesn't exist.

Depending on what you want, you may use 'container' instead of 'here' in 
the previous expressions.

-- 
Jean-Philippe Rey     Professeur informatique - École Centrale Paris
jprey at ads.ecp.fr      92295 Châtenay-Malabry Cedex - France