On Wed, Jul 8, 2009 at 7:01 AM, Adam Stein<a...@eng.mc.xerox.com> wrote:
> In my specific example, I would like to save the output value from the
> 'length' template filter so that I can send it to the 'expr' tag (expr
> is a tag that allows you to effectively execute python statements and
> save the result to another template variable). I could make a specific
> tag or filter, but I thought it would be more general purpose to be able
> to save the length value and pass that in to expr to use in an equation
> (need to multiply the length of a list).
Well, the usual way would be something like
{% with some_object|length as some_length %}
...do your stuff here...
{% endwith %}
Although as always it's worth noting that if you find yourself need
arbitrary Python expressions in a template, there may be easier/more
logical ways to structure data or make it available to the template.
--
"Bureaucrat Conrad, you are technically correct -- the best kind of correct."
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