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POHaving trouble implementing custom template tags in Django
 

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  1. POHaving trouble implementing custom template tags in Django
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    <p>I'm trying to implement some custom template tags to to a little more with my app and structure it better. The annoying part is that I've followed a tutorial type post to get the code &amp; it still doesn't work.</p> <p>I've tried to follow <a href="http://www.b-list.org/weblog/2006/jun/07/django-tips-write-better-template-tags/" rel="nofollow">this</a> and <a href="https://docs.djangoproject.com/en/1.3/howto/custom-template-tags/" rel="nofollow">current_time</a> to implement some tags but I'm getting errors which I don't understand.</p> <p>First off, the filter of latest posts, or in my case latest screens gives <code>Exception Value: No module named gallery</code></p> <p>My project is called 'S3gallery', my app is called 'gallery' and my model is called 'screenshots'. The model arg of the tag says in the docs it takes app_name.Model_name which is what I give it, so I'm stuck on this.</p> <p>My custom tag code looks like this;</p> <pre><code>from django.template import Library, Node from django.db.models import get_model register = Library() class LatestContentNode(Node): def __init__(self, model, num, varname): self.num, self.varname = num, varname self.model = get_model(*model.split('.')) def render(self, context): context[self.varname] = self.model._default_manager.all()[:self.num] return '' def get_latest(parser, token): bits = token.contents.split() if len(bits) != 5: raise TemplateSyntaxError, "get_latest_screens tag takes exactly three arguments" if bits[3] != 'as': raise TemplateSyntaxError, "second argument to the get_latest_screens tag must be 'as'" return LatestContentNode(bits[1], bits[2], bits[4]) get_latest = register.tag(get_latest) </code></pre> <p>I try to load that in the template using <code>{% load get_latest gallery.screenshots 5 as recent_screens %}</code> and the examples I've seen don't use 'load' in the tag but if I do that Django doesn't recognise the tag. Do I'm lost by that, but think I'm going to the right way. Any help on this would be greatly appreciated :)</p>
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