On Mon, May 2, 2011 at 11:46 PM, Phui Hock <phuih...@gmail.com> wrote:
> On May 3, 7:43 am, Russell Keith-Magee <russ...@keith-magee.com>
> wrote:
> > This stems back to the design motivation of Django's template language
> > -- you shouldn't be doing math in the template. Instead, you should be
> > doing your math in the view, and providing the template with a
> > pre-calculated result.
> >
> > So, my inclination would be to say no, this doesn't have a place in
> > the default list of tags.
> >
> > Yours,
> > Russ Magee %-)
>
> The example I provided is a bad one, but the math tag is general
> purpose. It can potentially reduce the number of custom filters or
> amount of work needed in the view function.
>
> Here's another take:
> {% load mathtag %}
> {% with x=request.GET.x y=request.GET.y z=request.GET.z %}
> if x = {{ x }}, y = {{ y }}, {{ x }} + {{ y }} = {% math x y "$1 *
> $2" as result %}{{ result }}<br/>
> if x = {{ x }}, y = {{ y }}, {{ x }} * {{ y }} = {% math x y "$1 *
> $2" as result %}{{ result }}<br/>
> if x = {{ x }}, y = {{ y }}, z = {{ z }}, ({{ x }}^{{ z }}) *
> ({{ y }}^{{ z }}) = {% math x y z "($1**$3) * ($2**$3)" as result %}
> {{ result }}<br/>
> if x = {{ x }}, y = {{ y }}, z = {{ z }}, ({{ x }} + {{ y }}) /
> {{ z }} = {% math x y z "($1 + $2) / $3" as result %}{{ result }}<br/>
> {% endwith %}
>
>
> Given the frequency of such request by other users warrants a re-look
> IMO.
>
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>
Holy god, not to be rude, but given that this is completely unreadable I'm
even more -1 than I ever would have been on the basis of the principle of a
dumber template language.
Alex
--
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say it." -- Evelyn Beatrice Hall (summarizing Voltaire)
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