Variable resolving URL template tag

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from django.template import defaulttags, VariableDoesNotExist, Variable

class ResolvingURLNode(defaulttags.URLNode):
    def render(self, context):
        original_view_name = self.view_name
        try:
            self.view_name = Variable(self.view_name).resolve(context)
        except VariableDoesNotExist:
            pass
        ret = super(defaulttags.URLNode, self).render(context)
        # restore view_name in case this node is reused (e.g in a loop) in 
        # which case the variable might resolve to something else in the next iteration)
        self.view_name = original_view_name
        return ret

defaulttags.URLNode = ResolvingURLNode

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Comments

t_rybik (on April 29, 2010):

It should be:

 super(ResolvingURLNode, self).render(context)

but besides that all cool.

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