Here's the code for the range tag I wrote: http://dpaste.com/45711/ I
haven't tested it at all, but I think it should work, if anyone can
provide feedback I'll post it on django snippets.
On Apr 18, 2:00 pm, "Erik Vorhes" <[EMAIL PROTECTED]> wrote:
> Or you can add something to your view to take care of this:
>
> def your_view(request):
> ...
> some_subset = Model.objects.all()[:10]
> ...
>
> Add it to 'extra_context' and you won't need to do anything trickier than
> this:
>
> {% for model in some_subset %}
> some stuff
> {% endfor %}
>
> On Fri, Apr 18, 2008 at 12:56 PM, [EMAIL PROTECTED]
>
>
>
> <[EMAIL PROTECTED]> wrote:
>
> > The way I would do it is to create a tag that creates a list object
> > using range as a template var and then use a simple for loop, the
> > usage would be:
>
> > {% range 1 10 as my_range %}
> > {% for i in my_range %}
> > {{ i }},
> > {% endfor %}
> > would return 1, 2, 3, 4, 5, 6, 7, 8, 9,
>
> > I'm going to write this up and post it to django snippets later, if
> > anyone wants it, I'll post a link.
>
> > On Apr 18, 11:47 am, Eric Abrahamsen <[EMAIL PROTECTED]> wrote:
> > > I think what people are saying here is that your number, the iteration
> > > limit, has to be coming from somewhere or something. Chances are, that
> > > something is an iterable, or can be made into an iterable very easily,
> > > and thus can be used in a for loop. Where is the number coming from?
>
> > > On Apr 18, 2008, at 8:23 AM, Kip Parker wrote:
>
> > > > I needed something like this to repeat a part of the template x times,
> > > > but I couldn't get this to work, the filter repeatedly returned the
> > > > range(0,10) so gave a recursion depth error. I may have set it up
> > > > wrong.
>
> > > > I ended up making a repeat tag:
>
> > > > def do_repeat(parser, token):
> > > > try:
> > > > # Splitting by None == splitting by spaces.
> > > > tag_name, arg = token.contents.split(None, 1)
> > > > number = int(arg)
> > > > except ValueError:
> > > > raise template.TemplateSyntaxError, "Repeat tag requires
> > exactly one
> > > > argument which must be a number"
> > > > nodelist = parser.parse(('endrepeat',))
> > > > parser.delete_first_token()
> > > > return RepeatNode(nodelist, number)
>
> > > > class RepeatNode(template.Node):
> > > > def __init__(self, nodelist, number):
> > > > self.nodelist = nodelist
> > > > self.number = number
> > > > def render(self, context):
> > > > output = self.nodelist.render(context)
> > > > return output*self.number
> > > > register.tag('repeat', do_repeat)
>
> > > > but it really feels like it shouldn't be that hard. Maybe I missed the
> > > > easy way?
>
> > > > On Apr 15, 7:31 pm, Michael <[EMAIL PROTECTED]> wrote:
> > > >> I feel like something like this already exists somewhere, but you
> > > >> can simply
> > > >> write a filter that turns a number into a range:
>
> > > >> so in your templates you would have:
>
> > > >> {% for i in 10|range %}
> > > >> ...
> > > >> {%endfor%}
>
> > > >> and your template filter would simply be:
>
> > > >> from django.template.defaultfilters import stringfilter
>
> > > >> @stringfilter
> > > >> def range(value): return range(int(value))
>
> > > >> On Tue, Apr 15, 2008 at 12:07 PM, Kenneth Gonsalves
> > > >> <[EMAIL PROTECTED]>
> > > >> wrote:
>
> > > >>> On 15-Apr-08, at 9:04 PM, Darryl Ross wrote:
>
> > > >>>> Duke wrote:
> > > >>>>> They are looping over a list
> > > >>>>> I am looking for
> > > >>>>> for (i = 0; i < 10; i++) {
> > > >>>>> printf("Hello, World!);
> > > >>>>> }
> > > >>>>> link for looping statement
>
> > > >>>> I am not aware of any tag that will allow you to do that, out of
> > > >>>> the box. You have two options, the first is to create a custom
> > > >>>> template tag that do what you want[1]. This shouldn't really be
> > > >>>> terribly difficult to do.
>
> > > >>>> The second option would be to just pass in a variable into the
> > > >>>> context with a list containing the number of items of the number of
> > > >>>> times you want to loop. Using generic views, this could be done in
> > > >>>> your urls.py like:
>
> > > >>>> ...
> > > >>>> ('^$', 'direct_to_template',
> > > >>>> { 'template_name': 'homepage.html',
> > > >>>> 'extra_context': {'looper': range(10) }})
> > > >>>> ...
>
> > > >>>> Then you can use the standard {% for %} tag:
>
> > > >>>> {% for i in looper %}
> > > >>>> {{i}}
> > > >>>> {% endfor %}
>
> > > >>>> [1]http://www.djangoproject.com/documentation/templates_python/
> > > >>>> #extending-the-template-system
>
> > > >>> where is the use case for this? I cannot conceive of any situation
> > > >>> where one would want to loop over an arbitrary number.
>
> > > >>> --
>
> > > >>> regards
> > > >>> kg
> > > >>>http://lawgon.livejournal.com
> > > >>>http://nrcfosshelpline.in/code/-Hide quoted text -
>
> > > - Show quoted text -
>
> --
> portfolio:http://textivism.com/
> blog:http://erikanderica.org/erik/
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