Hi,
You don't need the {{}} when sending a variable to the template tag - try
removing them.
Regards,
Andréas
Den ons 22 aug. 2018 kl 12:17 skrev MikeKJ <mike.jo...@paston.co.uk>:
>
> I am so rusty I’m having trouble writing a simple_tag
>
>
>
> In the template
>
>
>
> {% for b in list %}
>
> {% load get_cost %}{% do_cost {{ b.name }} avn avd %}
>
>
>
> Also tried (per docs) {% do_cost name={{ b.name }} avn=avn avd=avd %}
>
> I definitely have values in the template passed from the view for avn and
> avd and of course b.name
>
>
>
> Tag
>
> from django import template
>
> from django.conf import settings
>
> from django.utils.html import escape
>
> from band.models import Data
>
>
>
> register = template.Library()
>
>
>
> @register.simple_tag
>
> def do_cost( name, avn, avd, *args, **kwargs ):
>
> avn = kwargs['avn']
>
> avd = kwargs['avd']
>
> name = kwargs['name']
>
>
>
> val = Data.objects.filter(property=name).filter(date_period=date)
>
> return val
>
>
>
> I just keep getting do_cost takes 3 arguments
>
> *** I know I want it to take 3 arguments!!!!***
>
> Is it telling me that I can’t use {{ b.name }} as an arg?
>
>
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