On Tue, 2007-06-19 at 09:15 -0700, John DeRosa wrote:
> [EMAIL PROTECTED] wrote:
> > With the latest version of Django from SVN, it appears you can no
> > longer use sub-attributes of a template variable within a blocktrans
> > tag. For instance, the following will give you a KeyError:
> >
> > {% blocktrans %}by {{ item.author }} at{% endblocktrans %}
> >
> > However, the following works just fine:
> >
> > {% blocktrans with item.author as itemAuthor %}by {{ itemAuthor }} at{%
> > endblocktrans %}
> >
> > Bug? By design? Misconfiguration?
> >
> > Stack trace of the error is
> >
> > Traceback (most recent call last):
> > File "c:\python24\lib\site-packages\django\template\__init__.py" in
> > render_node
> > 712. result = node.render(context)
> > File "C:\Python24\lib\site-packages\django\templatetags\i18n.py" in
> > render
> > 73. result = translation.gettext(singular) % context
> > File "c:\python24\lib\site-packages\django\template\context.py" in
> > __getitem__
> > 40. raise KeyError(key)
> >
> > KeyError at /planet/
> > 'item.author'
>
> We just ran into this on our site, which is running on 0.96. I searched
> around in the Django tickets and changesets, and couldn't find a
> reference to this.
>
> Is this an intended part of the I18N design?
This is by design. It is much easier for translators if they only have
to move small fragments of "replaced text" around, since it has to be
done without error. So, if a translator needs to put {{itemAuthor}} in
another position in the line, it's fairly easy to do. However, if they
need to move a much longer fragment -- say, {{ item.author|urlizetrunc|
escape }} -- there's now a huge block of text that they have to copy or
retype precisely, despite it having no intrinsic meaning for the
translation.
So, in blocktrans tags, only simple variable references are permitted
and any aliases should be put as tag arguments. I'm not sure why this
worked before 0.96 -- my recollection is that it has always worked as it
does now. In any case, the current behaviour is intended.
Regards,
Malcolm
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