Re: Is this a bug or am I doing it wrong? (trans tag)

On Mon, Nov 26, 2012 at 9:43 PM, Some Developer
<someukdeveloper@gmail.com> wrote:
> On 10/11/12 21:49, Some Developer wrote:
>>
>> In the documentation it is quite clear that the following syntax is
>> correct in templates:
>>
>> {% load i18n %}
>>
>> {% trans "my_string" as blah_string %}
>>
>> {{ blah_string }}
>>
>> etc etc.
>>
>> This works fine if the original trans tag is inside a block but then the
>> blah_string variable is only valid within that block. If you place the
>> trans tag in a global position (outside of any blocks) the blah_string
>> variable does not work when you try and use it in a block (that is any
>> block). I am using Django 1.4.2 and think this behaviour is somewhat
>> strange given the documentation for this particular feature. Surely you
>> should be able to declare the trans tag outside of any block as the
>> chances are that you will want to use the blah_string variable in more
>> than one block (I often have three or four blocks per page for various
>> things).
>>
>> So is this a bug or am I doing something wrong?
>
>
> Any comments on this at all? I'm still not entirely sure if this behaviour
> is intentional or not.
>

Templates have scope, so yes, this is expected. Any nodes in a derived
template that aren't {% block %} or inside a {% block %} tag are
ignored or not output*.

An alternative would be to pass a list or dictionary of shared
translations to the template.

Cheers

Tom

* I must admit, I don't know precisely how template rendering handles
this. Certain tags, eg loading tag libraries will work fine. Any tag
that outputs anything will not, and any tag that sets things in the
context will not be in scope in other blocks.

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