Well, I got that fairly complicated recursive control structure
working nicely... it resembles if/else/endif, but it loops picking up
nodelists in a dictionary indexed by tag name, makes a list of the
tags it finds until the endtag, and checks the list to make sure the
syntax inside the bock was correct. So I'm happier this morning. :)
On Nov 29, 10:12 pm, Malcolm Tredinnick <[EMAIL PROTECTED]>
wrote:
> On Sat, 2008-11-29 at 17:37 -0800, stevedegrace wrote:
> > I have a weird problem. (I'm using Django 1.0.2, Python version 2.5.2
> > on Ubuntu 8.10). Say I have a template like this:
>
> > """
> > {% sometag %}
> > Some stuff
> > {% someothertag %}
> > Some more stuff
> > {% yetanothertag %}
> > Last stuff
> > {% endsometag %}
> > """
> > My template tag function looks something like this:
>
> > @register.tag(name="sometag")
> > def do_sometag(parser, token):
> > nodelist1 = parser.parse(('someothertag',' yetanothertag',
> > 'endsometag'))
> > parser.delete_first_token()
> > nodelist2 = parser.parse(('someothertag',' yetanothertag',
> > 'endsometag'))
> > parser.delete_first_token()
> > # ... do some stuff ... no point returning a node, not going to
> > get that far...
>
> Looks like using delete_first_token() in the middle of a parsing
> operation like this isn't vaild. It changes the list of tokens in place,
> which might be messing up the parsing state. In the documentation (and
> all the uses of delete_first_token in the Django template tags), it's
> only used as the very last thing before passing the remainder to a Node
> object.
>
> The if...else block tag would be a good pattern to model code on.
>
> Regards,
> Malcolm
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